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The NDK API
Raw
asset_manager.h
struct AAssetManager;
struct AAssetDir;
struct AAsset;
/* Available modes for opening assets */
enum {
AASSET_MODE_UNKNOWN = 0,
AASSET_MODE_RANDOM = 1,
AASSET_MODE_STREAMING = 2,
AASSET_MODE_BUFFER = 3
};
/**
* Open the named directory within the asset hierarchy. The directory can then
* be inspected with the AAssetDir functions. To open the top-level directory,
* pass in "" as the dirName.
*
* The object returned here should be freed by calling AAssetDir_close().
*/
AAssetDir* AAssetManager_openDir(AAssetManager* mgr, const char* dirName);
/**
* Open an asset.
*
* The object returned here should be freed by calling AAsset_close().
*/
AAsset* AAssetManager_open(AAssetManager* mgr, const char* filename, int mode);
/**
* Iterate over the files in an asset directory. A NULL string is returned
* when all the file names have been returned.
*
* The returned file name is suitable for passing to AAssetManager_open().
*
* The string returned here is owned by the AssetDir implementation and is not
* guaranteed to remain valid if any other calls are made on this AAssetDir
* instance.
*/
const char* AAssetDir_getNextFileName(AAssetDir* assetDir);
/**
* Reset the iteration state of AAssetDir_getNextFileName() to the beginning.
*/
void AAssetDir_rewind(AAssetDir* assetDir);
/**
* Close an opened AAssetDir, freeing any related resources.
*/
void AAssetDir_close(AAssetDir* assetDir);
/**
* Attempt to read 'count' bytes of data from the current offset.
*
* Returns the number of bytes read, zero on EOF, or < 0 on error.
*/
int AAsset_read(AAsset* asset, void* buf, size_t count);
/**
* Seek to the specified offset within the asset data. 'whence' uses the
* same constants as lseek()/fseek().
*
* Returns the new position on success, or (off_t) -1 on error.
*/
off_t AAsset_seek(AAsset* asset, off_t offset, int whence);
/**
* Close the asset, freeing all associated resources.
*/
void AAsset_close(AAsset* asset);
/**
* Get a pointer to a buffer holding the entire contents of the assset.
*
* Returns NULL on failure.
*/
const void* AAsset_getBuffer(AAsset* asset);
/**
* Report the total size of the asset data.
*/
off_t AAsset_getLength(AAsset* asset);
/**
* Report the total amount of asset data that can be read from the current position.
*/
off_t AAsset_getRemainingLength(AAsset* asset);
/**
* Open a new file descriptor that can be used to read the asset data.
*
* Returns < 0 if direct fd access is not possible (for example, if the asset is
* compressed).
*/
int AAsset_openFileDescriptor(AAsset* asset, off_t* outStart, off_t* outLength);
/**
* Returns whether this asset's internal buffer is allocated in ordinary RAM (i.e. not
* mmapped).
*/
int AAsset_isAllocated(AAsset* asset);
Raw
bitmap.h
#define ANDROID_BITMAP_RESULT_SUCCESS 0
#define ANDROID_BITMAP_RESULT_BAD_PARAMETER -1
#define ANDROID_BITMAP_RESULT_JNI_EXCEPTION -2
#define ANDROID_BITMAP_RESULT_ALLOCATION_FAILED -3
enum AndroidBitmapFormat {
ANDROID_BITMAP_FORMAT_NONE = 0,
ANDROID_BITMAP_FORMAT_RGBA_8888 = 1,
ANDROID_BITMAP_FORMAT_RGB_565 = 4,
ANDROID_BITMAP_FORMAT_RGBA_4444 = 7,
ANDROID_BITMAP_FORMAT_A_8 = 8,
};
typedef struct {
uint32_t width;
uint32_t height;
uint32_t stride;
int32_t format;
uint32_t flags; // 0 for now
} AndroidBitmapInfo;
/**
* Given a java bitmap object, fill out the AndroidBitmap struct for it.
* If the call fails, the info parameter will be ignored.
*/
int AndroidBitmap_getInfo(JNIEnv* env, jobject jbitmap, AndroidBitmapInfo* info);
/**
* Given a java bitmap object, attempt to lock the pixel address.
* Locking will ensure that the memory for the pixels will not move
* until the unlockPixels call, and ensure that, if the pixels had been
* previously purged, they will have been restored.
*
* If this call succeeds, it must be balanced by a call to
* AndroidBitmap_unlockPixels, after which time the address of the pixels should
* no longer be used.
*
* If this succeeds, *addrPtr will be set to the pixel address. If the call
* fails, addrPtr will be ignored.
*/
int AndroidBitmap_lockPixels(JNIEnv* env, jobject jbitmap, void** addrPtr);
/** Call this to balance a successful call to AndroidBitmap_lockPixels. */
int AndroidBitmap_unlockPixels(JNIEnv* env, jobject jbitmap);
Raw
configuration.h
struct AConfiguration;
enum {
ACONFIGURATION_ORIENTATION_ANY = 0x0000,
ACONFIGURATION_ORIENTATION_PORT = 0x0001,
ACONFIGURATION_ORIENTATION_LAND = 0x0002,
ACONFIGURATION_ORIENTATION_SQUARE = 0x0003,
ACONFIGURATION_TOUCHSCREEN_ANY = 0x0000,
ACONFIGURATION_TOUCHSCREEN_NOTOUCH = 0x0001,
ACONFIGURATION_TOUCHSCREEN_STYLUS = 0x0002,
ACONFIGURATION_TOUCHSCREEN_FINGER = 0x0003,
ACONFIGURATION_DENSITY_DEFAULT = 0,
ACONFIGURATION_DENSITY_LOW = 120,
ACONFIGURATION_DENSITY_MEDIUM = 160,
ACONFIGURATION_DENSITY_HIGH = 240,
ACONFIGURATION_DENSITY_NONE = 0xffff,
ACONFIGURATION_KEYBOARD_ANY = 0x0000,
ACONFIGURATION_KEYBOARD_NOKEYS = 0x0001,
ACONFIGURATION_KEYBOARD_QWERTY = 0x0002,
ACONFIGURATION_KEYBOARD_12KEY = 0x0003,
ACONFIGURATION_NAVIGATION_ANY = 0x0000,
ACONFIGURATION_NAVIGATION_NONAV = 0x0001,
ACONFIGURATION_NAVIGATION_DPAD = 0x0002,
ACONFIGURATION_NAVIGATION_TRACKBALL = 0x0003,
ACONFIGURATION_NAVIGATION_WHEEL = 0x0004,
ACONFIGURATION_KEYSHIDDEN_ANY = 0x0000,
ACONFIGURATION_KEYSHIDDEN_NO = 0x0001,
ACONFIGURATION_KEYSHIDDEN_YES = 0x0002,
ACONFIGURATION_KEYSHIDDEN_SOFT = 0x0003,
ACONFIGURATION_NAVHIDDEN_ANY = 0x0000,
ACONFIGURATION_NAVHIDDEN_NO = 0x0001,
ACONFIGURATION_NAVHIDDEN_YES = 0x0002,
ACONFIGURATION_SCREENSIZE_ANY = 0x00,
ACONFIGURATION_SCREENSIZE_SMALL = 0x01,
ACONFIGURATION_SCREENSIZE_NORMAL = 0x02,
ACONFIGURATION_SCREENSIZE_LARGE = 0x03,
ACONFIGURATION_SCREENSIZE_XLARGE = 0x04,
ACONFIGURATION_SCREENLONG_ANY = 0x00,
ACONFIGURATION_SCREENLONG_NO = 0x1,
ACONFIGURATION_SCREENLONG_YES = 0x2,
ACONFIGURATION_UI_MODE_TYPE_ANY = 0x00,
ACONFIGURATION_UI_MODE_TYPE_NORMAL = 0x01,
ACONFIGURATION_UI_MODE_TYPE_DESK = 0x02,
ACONFIGURATION_UI_MODE_TYPE_CAR = 0x03,
ACONFIGURATION_UI_MODE_NIGHT_ANY = 0x00,
ACONFIGURATION_UI_MODE_NIGHT_NO = 0x1,
ACONFIGURATION_UI_MODE_NIGHT_YES = 0x2,
ACONFIGURATION_MCC = 0x0001,
ACONFIGURATION_MNC = 0x0002,
ACONFIGURATION_LOCALE = 0x0004,
ACONFIGURATION_TOUCHSCREEN = 0x0008,
ACONFIGURATION_KEYBOARD = 0x0010,
ACONFIGURATION_KEYBOARD_HIDDEN = 0x0020,
ACONFIGURATION_NAVIGATION = 0x0040,
ACONFIGURATION_ORIENTATION = 0x0080,
ACONFIGURATION_DENSITY = 0x0100,
ACONFIGURATION_SCREEN_SIZE = 0x0200,
ACONFIGURATION_VERSION = 0x0400,
ACONFIGURATION_SCREEN_LAYOUT = 0x0800,
ACONFIGURATION_UI_MODE = 0x1000,
};
/**
* Create a new AConfiguration, initialized with no values set.
*/
AConfiguration* AConfiguration_new();
/**
* Free an AConfiguration that was previously created with
* AConfiguration_new().
*/
void AConfiguration_delete(AConfiguration* config);
/**
* Create and return a new AConfiguration based on the current configuration in
* use in the given AssetManager.
*/
void AConfiguration_fromAssetManager(AConfiguration* out, AAssetManager* am);
/**
* Copy the contents of 'src' to 'dest'.
*/
void AConfiguration_copy(AConfiguration* dest, AConfiguration* src);
/**
* Return the current MCC set in the configuration. 0 if not set.
*/
int32_t AConfiguration_getMcc(AConfiguration* config);
/**
* Set the current MCC in the configuration. 0 to clear.
*/
void AConfiguration_setMcc(AConfiguration* config, int32_t mcc);
/**
* Return the current MNC set in the configuration. 0 if not set.
*/
int32_t AConfiguration_getMnc(AConfiguration* config);
/**
* Set the current MNC in the configuration. 0 to clear.
*/
void AConfiguration_setMnc(AConfiguration* config, int32_t mnc);
/**
* Return the current language code set in the configuration. The output will
* be filled with an array of two characters. They are not 0-terminated. If
* a language is not set, they will be 0.
*/
void AConfiguration_getLanguage(AConfiguration* config, char* outLanguage);
/**
* Set the current language code in the configuration, from the first two
* characters in the string.
*/
void AConfiguration_setLanguage(AConfiguration* config, const char* language);
/**
* Return the current country code set in the configuration. The output will
* be filled with an array of two characters. They are not 0-terminated. If
* a country is not set, they will be 0.
*/
void AConfiguration_getCountry(AConfiguration* config, char* outCountry);
/**
* Set the current country code in the configuration, from the first two
* characters in the string.
*/
void AConfiguration_setCountry(AConfiguration* config, const char* country);
/**
* Return the current ACONFIGURATION_ORIENTATION_* set in the configuration.
*/
int32_t AConfiguration_getOrientation(AConfiguration* config);
/**
* Set the current orientation in the configuration.
*/
void AConfiguration_setOrientation(AConfiguration* config, int32_t orientation);
/**
* Return the current ACONFIGURATION_TOUCHSCREEN_* set in the configuration.
*/
int32_t AConfiguration_getTouchscreen(AConfiguration* config);
/**
* Set the current touchscreen in the configuration.
*/
void AConfiguration_setTouchscreen(AConfiguration* config, int32_t touchscreen);
/**
* Return the current ACONFIGURATION_DENSITY_* set in the configuration.
*/
int32_t AConfiguration_getDensity(AConfiguration* config);
/**
* Set the current density in the configuration.
*/
void AConfiguration_setDensity(AConfiguration* config, int32_t density);
/**
* Return the current ACONFIGURATION_KEYBOARD_* set in the configuration.
*/
int32_t AConfiguration_getKeyboard(AConfiguration* config);
/**
* Set the current keyboard in the configuration.
*/
void AConfiguration_setKeyboard(AConfiguration* config, int32_t keyboard);
/**
* Return the current ACONFIGURATION_NAVIGATION_* set in the configuration.
*/
int32_t AConfiguration_getNavigation(AConfiguration* config);
/**
* Set the current navigation in the configuration.
*/
void AConfiguration_setNavigation(AConfiguration* config, int32_t navigation);
/**
* Return the current ACONFIGURATION_KEYSHIDDEN_* set in the configuration.
*/
int32_t AConfiguration_getKeysHidden(AConfiguration* config);
/**
* Set the current keys hidden in the configuration.
*/
void AConfiguration_setKeysHidden(AConfiguration* config, int32_t keysHidden);
/**
* Return the current ACONFIGURATION_NAVHIDDEN_* set in the configuration.
*/
int32_t AConfiguration_getNavHidden(AConfiguration* config);
/**
* Set the current nav hidden in the configuration.
*/
void AConfiguration_setNavHidden(AConfiguration* config, int32_t navHidden);
/**
* Return the current SDK (API) version set in the configuration.
*/
int32_t AConfiguration_getSdkVersion(AConfiguration* config);
/**
* Set the current SDK version in the configuration.
*/
void AConfiguration_setSdkVersion(AConfiguration* config, int32_t sdkVersion);
/**
* Return the current ACONFIGURATION_SCREENSIZE_* set in the configuration.
*/
int32_t AConfiguration_getScreenSize(AConfiguration* config);
/**
* Set the current screen size in the configuration.
*/
void AConfiguration_setScreenSize(AConfiguration* config, int32_t screenSize);
/**
* Return the current ACONFIGURATION_SCREENLONG_* set in the configuration.
*/
int32_t AConfiguration_getScreenLong(AConfiguration* config);
/**
* Set the current screen long in the configuration.
*/
void AConfiguration_setScreenLong(AConfiguration* config, int32_t screenLong);
/**
* Return the current ACONFIGURATION_UI_MODE_TYPE_* set in the configuration.
*/
int32_t AConfiguration_getUiModeType(AConfiguration* config);
/**
* Set the current UI mode type in the configuration.
*/
void AConfiguration_setUiModeType(AConfiguration* config, int32_t uiModeType);
/**
* Return the current ACONFIGURATION_UI_MODE_NIGHT_* set in the configuration.
*/
int32_t AConfiguration_getUiModeNight(AConfiguration* config);
/**
* Set the current UI mode night in the configuration.
*/
void AConfiguration_setUiModeNight(AConfiguration* config, int32_t uiModeNight);
/**
* Perform a diff between two configurations. Returns a bit mask of
* ACONFIGURATION_* constants, each bit set meaning that configuration element
* is different between them.
*/
int32_t AConfiguration_diff(AConfiguration* config1, AConfiguration* config2);
/**
* Determine whether 'base' is a valid configuration for use within the
* environment 'requested'. Returns 0 if there are any values in 'base'
* that conflict with 'requested'. Returns 1 if it does not conflict.
*/
int32_t AConfiguration_match(AConfiguration* base, AConfiguration* requested);
/**
* Determine whether the configuration in 'test' is better than the existing
* configuration in 'base'. If 'requested' is non-NULL, this decision is based
* on the overall configuration given there. If it is NULL, this decision is
* simply based on which configuration is more specific. Returns non-0 if
* 'test' is better than 'base'.
*
* This assumes you have already filtered the configurations with
* AConfiguration_match().
*/
int32_t AConfiguration_isBetterThan(AConfiguration* base, AConfiguration* test,
AConfiguration* requested);
Raw
input.h
/*
* Key states (may be returned by queries about the current state of a particular key code, scan code or switch).
*/
enum {
/* The key state is unknown or the requested key itself is not supported. */
AKEY_STATE_UNKNOWN = -1,
/* The key is up. */
AKEY_STATE_UP = 0,
/* The key is down. */
AKEY_STATE_DOWN = 1,
/* The key is down but is a virtual key press that is being emulated by the system. */
AKEY_STATE_VIRTUAL = 2
};
/* Meta key / modifer state. */
enum {
/* No meta keys are pressed. */
AMETA_NONE = 0,
/* This mask is used to check whether one of the ALT meta keys is pressed. */
AMETA_ALT_ON = 0x02,
/* This mask is used to check whether the left ALT meta key is pressed. */
AMETA_ALT_LEFT_ON = 0x10,
/* This mask is used to check whether the right ALT meta key is pressed. */
AMETA_ALT_RIGHT_ON = 0x20,
/* This mask is used to check whether one of the SHIFT meta keys is pressed. */
AMETA_SHIFT_ON = 0x01,
/* This mask is used to check whether the left SHIFT meta key is pressed. */
AMETA_SHIFT_LEFT_ON = 0x40,
/* This mask is used to check whether the right SHIFT meta key is pressed. */
AMETA_SHIFT_RIGHT_ON = 0x80,
/* This mask is used to check whether the SYM meta key is pressed. */
AMETA_SYM_ON = 0x04
};
/*
* Input events are opaque structures. Use the provided accessors functions to
* read their properties.
*/
struct AInputEvent;
typedef struct AInputEvent AInputEvent;
enum { AINPUT_EVENT_TYPE_KEY = 1, AINPUT_EVENT_TYPE_MOTION = 2 };
/* Key event actions. */
enum {
/* The key has been pressed down. */
AKEY_EVENT_ACTION_DOWN = 0,
/* The key has been released. */
AKEY_EVENT_ACTION_UP = 1,
/* Multiple duplicate key events have occurred in a row, or a complex string is
* being delivered. The repeat_count property of the key event contains the number
* of times the given key code should be executed.
*/
AKEY_EVENT_ACTION_MULTIPLE = 2
};
/*
* Key event flags.
*/
enum {
/* This mask is set if the device woke because of this key event. */
AKEY_EVENT_FLAG_WOKE_HERE = 0x1,
/* This mask is set if the key event was generated by a software keyboard. */
AKEY_EVENT_FLAG_SOFT_KEYBOARD = 0x2,
/* This mask is set if we don't want the key event to cause us to leave touch mode. */
AKEY_EVENT_FLAG_KEEP_TOUCH_MODE = 0x4,
/* This mask is set if an event was known to come from a trusted part
* of the system. That is, the event is known to come from the user,
* and could not have been spoofed by a third party component. */
AKEY_EVENT_FLAG_FROM_SYSTEM = 0x8,
/* This mask is used for compatibility, to identify enter keys that are
* coming from an IME whose enter key has been auto-labelled "next" or
* "done". This allows TextView to dispatch these as normal enter keys
* for old applications, but still do the appropriate action when
* receiving them. */
AKEY_EVENT_FLAG_EDITOR_ACTION = 0x10,
/* When associated with up key events, this indicates that the key press
* has been canceled. Typically this is used with virtual touch screen
* keys, where the user can slide from the virtual key area on to the
* display: in that case, the application will receive a canceled up
* event and should not perform the action normally associated with the
* key. Note that for this to work, the application can not perform an
* action for a key until it receives an up or the long press timeout has
* expired. */
AKEY_EVENT_FLAG_CANCELED = 0x20,
/* This key event was generated by a virtual (on-screen) hard key area.
* Typically this is an area of the touchscreen, outside of the regular
* display, dedicated to "hardware" buttons. */
AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY = 0x40,
/* This flag is set for the first key repeat that occurs after the
* long press timeout. */
AKEY_EVENT_FLAG_LONG_PRESS = 0x80,
/* Set when a key event has AKEY_EVENT_FLAG_CANCELED set because a long
* press action was executed while it was down. */
AKEY_EVENT_FLAG_CANCELED_LONG_PRESS = 0x100,
/* Set for AKEY_EVENT_ACTION_UP when this event's key code is still being
* tracked from its initial down. That is, somebody requested that tracking
* started on the key down and a long press has not caused
* the tracking to be canceled. */
AKEY_EVENT_FLAG_TRACKING = 0x200
};
/*
* Motion event actions.
*/
/* Bit shift for the action bits holding the pointer index as
* defined by AMOTION_EVENT_ACTION_POINTER_INDEX_MASK.
*/
#define AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT 8
enum {
/* Bit mask of the parts of the action code that are the action itself.
*/
AMOTION_EVENT_ACTION_MASK = 0xff,
/* Bits in the action code that represent a pointer index, used with
* AMOTION_EVENT_ACTION_POINTER_DOWN and AMOTION_EVENT_ACTION_POINTER_UP. Shifting
* down by AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT provides the actual pointer
* index where the data for the pointer going up or down can be found.
*/
AMOTION_EVENT_ACTION_POINTER_INDEX_MASK = 0xff00,
/* A pressed gesture has started, the motion contains the initial starting location.
*/
AMOTION_EVENT_ACTION_DOWN = 0,
/* A pressed gesture has finished, the motion contains the final release location
* as well as any intermediate points since the last down or move event.
*/
AMOTION_EVENT_ACTION_UP = 1,
/* A change has happened during a press gesture (between AMOTION_EVENT_ACTION_DOWN and
* AMOTION_EVENT_ACTION_UP). The motion contains the most recent point, as well as
* any intermediate points since the last down or move event.
*/
AMOTION_EVENT_ACTION_MOVE = 2,
/* The current gesture has been aborted.
* You will not receive any more points in it. You should treat this as
* an up event, but not perform any action that you normally would.
*/
AMOTION_EVENT_ACTION_CANCEL = 3,
/* A movement has happened outside of the normal bounds of the UI element.
* This does not provide a full gesture, but only the initial location of the movement/touch.
*/
AMOTION_EVENT_ACTION_OUTSIDE = 4,
/* A non-primary pointer has gone down.
* The bits in AMOTION_EVENT_ACTION_POINTER_INDEX_MASK indicate which pointer changed.
*/
AMOTION_EVENT_ACTION_POINTER_DOWN = 5,
/* A non-primary pointer has gone up.
* The bits in AMOTION_EVENT_ACTION_POINTER_INDEX_MASK indicate which pointer changed.
*/
AMOTION_EVENT_ACTION_POINTER_UP = 6
};
/*
* Motion event flags.
*/
enum {
/* This flag indicates that the window that received this motion event is partly
* or wholly obscured by another visible window above it. This flag is set to true
* even if the event did not directly pass through the obscured area.
* A security sensitive application can check this flag to identify situations in which
* a malicious application may have covered up part of its content for the purpose
* of misleading the user or hijacking touches. An appropriate response might be
* to drop the suspect touches or to take additional precautions to confirm the user's
* actual intent.
*/
AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED = 0x1,
};
/*
* Motion event edge touch flags.
*/
enum {
/* No edges intersected */
AMOTION_EVENT_EDGE_FLAG_NONE = 0,
/* Flag indicating the motion event intersected the top edge of the screen. */
AMOTION_EVENT_EDGE_FLAG_TOP = 0x01,
/* Flag indicating the motion event intersected the bottom edge of the screen. */
AMOTION_EVENT_EDGE_FLAG_BOTTOM = 0x02,
/* Flag indicating the motion event intersected the left edge of the screen. */
AMOTION_EVENT_EDGE_FLAG_LEFT = 0x04,
/* Flag indicating the motion event intersected the right edge of the screen. */
AMOTION_EVENT_EDGE_FLAG_RIGHT = 0x08
};
/*
* Input sources.
*
* Refer to the documentation on android.view.InputDevice for more details about input sources
* and their correct interpretation.
*/
enum {
AINPUT_SOURCE_CLASS_MASK = 0x000000ff,
AINPUT_SOURCE_CLASS_BUTTON = 0x00000001,
AINPUT_SOURCE_CLASS_POINTER = 0x00000002,
AINPUT_SOURCE_CLASS_NAVIGATION = 0x00000004,
AINPUT_SOURCE_CLASS_POSITION = 0x00000008,
};
enum {
AINPUT_SOURCE_UNKNOWN = 0x00000000,
AINPUT_SOURCE_KEYBOARD = 0x00000100 | AINPUT_SOURCE_CLASS_BUTTON,
AINPUT_SOURCE_DPAD = 0x00000200 | AINPUT_SOURCE_CLASS_BUTTON,
AINPUT_SOURCE_TOUCHSCREEN = 0x00001000 | AINPUT_SOURCE_CLASS_POINTER,
AINPUT_SOURCE_MOUSE = 0x00002000 | AINPUT_SOURCE_CLASS_POINTER,
AINPUT_SOURCE_TRACKBALL = 0x00010000 | AINPUT_SOURCE_CLASS_NAVIGATION,
AINPUT_SOURCE_TOUCHPAD = 0x00100000 | AINPUT_SOURCE_CLASS_POSITION,
AINPUT_SOURCE_ANY = 0xffffff00,
};
/*
* Keyboard types.
*
* Refer to the documentation on android.view.InputDevice for more details.
*/
enum {
AINPUT_KEYBOARD_TYPE_NONE = 0,
AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC = 1,
AINPUT_KEYBOARD_TYPE_ALPHABETIC = 2,
};
/*
* Constants used to retrieve information about the range of motion for a particular
* coordinate of a motion event.
*
* Refer to the documentation on android.view.InputDevice for more details about input sources
* and their correct interpretation.
*/
enum {
AINPUT_MOTION_RANGE_X = 0,
AINPUT_MOTION_RANGE_Y = 1,
AINPUT_MOTION_RANGE_PRESSURE = 2,
AINPUT_MOTION_RANGE_SIZE = 3,
AINPUT_MOTION_RANGE_TOUCH_MAJOR = 4,
AINPUT_MOTION_RANGE_TOUCH_MINOR = 5,
AINPUT_MOTION_RANGE_TOOL_MAJOR = 6,
AINPUT_MOTION_RANGE_TOOL_MINOR = 7,
AINPUT_MOTION_RANGE_ORIENTATION = 8,
};
/*
* Input event accessors.
*
* Note that most functions can only be used on input events that are of a given type.
* Calling these functions on input events of other types will yield undefined behavior.
*/
/*** Accessors for all input events. ***/
/* Get the input event type. */
int32_t AInputEvent_getType(const AInputEvent* event);
/* Get the id for the device that an input event came from.
*
* Input events can be generated by multiple different input devices.
* Use the input device id to obtain information about the input
* device that was responsible for generating a particular event.
*
* An input device id of 0 indicates that the event didn't come from a physical device;
* other numbers are arbitrary and you shouldn't depend on the values.
* Use the provided input device query API to obtain information about input devices.
*/
int32_t AInputEvent_getDeviceId(const AInputEvent* event);
/* Get the input event source. */
int32_t AInputEvent_getSource(const AInputEvent* event);
/*** Accessors for key events only. ***/
/* Get the key event action. */
int32_t AKeyEvent_getAction(const AInputEvent* key_event);
/* Get the key event flags. */
int32_t AKeyEvent_getFlags(const AInputEvent* key_event);
/* Get the key code of the key event.
* This is the physical key that was pressed, not the Unicode character. */
int32_t AKeyEvent_getKeyCode(const AInputEvent* key_event);
/* Get the hardware key id of this key event.
* These values are not reliable and vary from device to device. */
int32_t AKeyEvent_getScanCode(const AInputEvent* key_event);
/* Get the meta key state. */
int32_t AKeyEvent_getMetaState(const AInputEvent* key_event);
/* Get the repeat count of the event.
* For both key up an key down events, this is the number of times the key has
* repeated with the first down starting at 0 and counting up from there. For
* multiple key events, this is the number of down/up pairs that have occurred. */
int32_t AKeyEvent_getRepeatCount(const AInputEvent* key_event);
/* Get the time of the most recent key down event, in the
* java.lang.System.nanoTime() time base. If this is a down event,
* this will be the same as eventTime.
* Note that when chording keys, this value is the down time of the most recently
* pressed key, which may not be the same physical key of this event. */
int64_t AKeyEvent_getDownTime(const AInputEvent* key_event);
/* Get the time this event occurred, in the
* java.lang.System.nanoTime() time base. */
int64_t AKeyEvent_getEventTime(const AInputEvent* key_event);
/*** Accessors for motion events only. ***/
/* Get the combined motion event action code and pointer index. */
int32_t AMotionEvent_getAction(const AInputEvent* motion_event);
/* Get the motion event flags. */
int32_t AMotionEvent_getFlags(const AInputEvent* motion_event);
/* Get the state of any meta / modifier keys that were in effect when the
* event was generated. */
int32_t AMotionEvent_getMetaState(const AInputEvent* motion_event);
/* Get a bitfield indicating which edges, if any, were touched by this motion event.
* For touch events, clients can use this to determine if the user's finger was
* touching the edge of the display. */
int32_t AMotionEvent_getEdgeFlags(const AInputEvent* motion_event);
/* Get the time when the user originally pressed down to start a stream of
* position events, in the java.lang.System.nanoTime() time base. */
int64_t AMotionEvent_getDownTime(const AInputEvent* motion_event);
/* Get the time when this specific event was generated,
* in the java.lang.System.nanoTime() time base. */
int64_t AMotionEvent_getEventTime(const AInputEvent* motion_event);
/* Get the X coordinate offset.
* For touch events on the screen, this is the delta that was added to the raw
* screen coordinates to adjust for the absolute position of the containing windows
* and views. */
float AMotionEvent_getXOffset(const AInputEvent* motion_event);
/* Get the precision of the Y coordinates being reported.
* For touch events on the screen, this is the delta that was added to the raw
* screen coordinates to adjust for the absolute position of the containing windows
* and views. */
float AMotionEvent_getYOffset(const AInputEvent* motion_event);
/* Get the precision of the X coordinates being reported.
* You can multiply this number with an X coordinate sample to find the
* actual hardware value of the X coordinate. */
float AMotionEvent_getXPrecision(const AInputEvent* motion_event);
/* Get the precision of the Y coordinates being reported.
* You can multiply this number with a Y coordinate sample to find the
* actual hardware value of the Y coordinate. */
float AMotionEvent_getYPrecision(const AInputEvent* motion_event);
/* Get the number of pointers of data contained in this event.
* Always >= 1. */
size_t AMotionEvent_getPointerCount(const AInputEvent* motion_event);
/* Get the pointer identifier associated with a particular pointer
* data index is this event. The identifier tells you the actual pointer
* number associated with the data, accounting for individual pointers
* going up and down since the start of the current gesture. */
int32_t AMotionEvent_getPointerId(const AInputEvent* motion_event, size_t pointer_index);
/* Get the original raw X coordinate of this event.
* For touch events on the screen, this is the original location of the event
* on the screen, before it had been adjusted for the containing window
* and views. */
float AMotionEvent_getRawX(const AInputEvent* motion_event, size_t pointer_index);
/* Get the original raw X coordinate of this event.
* For touch events on the screen, this is the original location of the event
* on the screen, before it had been adjusted for the containing window
* and views. */
float AMotionEvent_getRawY(const AInputEvent* motion_event, size_t pointer_index);
/* Get the current X coordinate of this event for the given pointer index.
* Whole numbers are pixels; the value may have a fraction for input devices
* that are sub-pixel precise. */
float AMotionEvent_getX(const AInputEvent* motion_event, size_t pointer_index);
/* Get the current Y coordinate of this event for the given pointer index.
* Whole numbers are pixels; the value may have a fraction for input devices
* that are sub-pixel precise. */
float AMotionEvent_getY(const AInputEvent* motion_event, size_t pointer_index);
/* Get the current pressure of this event for the given pointer index.
* The pressure generally ranges from 0 (no pressure at all) to 1 (normal pressure),
* although values higher than 1 may be generated depending on the calibration of
* the input device. */
float AMotionEvent_getPressure(const AInputEvent* motion_event, size_t pointer_index);
/* Get the current scaled value of the approximate size for the given pointer index.
* This represents some approximation of the area of the screen being
* pressed; the actual value in pixels corresponding to the
* touch is normalized with the device specific range of values
* and scaled to a value between 0 and 1. The value of size can be used to
* determine fat touch events. */
float AMotionEvent_getSize(const AInputEvent* motion_event, size_t pointer_index);
/* Get the current length of the major axis of an ellipse that describes the touch area
* at the point of contact for the given pointer index. */
float AMotionEvent_getTouchMajor(const AInputEvent* motion_event, size_t pointer_index);
/* Get the current length of the minor axis of an ellipse that describes the touch area
* at the point of contact for the given pointer index. */
float AMotionEvent_getTouchMinor(const AInputEvent* motion_event, size_t pointer_index);
/* Get the current length of the major axis of an ellipse that describes the size
* of the approaching tool for the given pointer index.
* The tool area represents the estimated size of the finger or pen that is
* touching the device independent of its actual touch area at the point of contact. */
float AMotionEvent_getToolMajor(const AInputEvent* motion_event, size_t pointer_index);
/* Get the current length of the minor axis of an ellipse that describes the size
* of the approaching tool for the given pointer index.
* The tool area represents the estimated size of the finger or pen that is
* touching the device independent of its actual touch area at the point of contact. */
float AMotionEvent_getToolMinor(const AInputEvent* motion_event, size_t pointer_index);
/* Get the current orientation of the touch area and tool area in radians clockwise from
* vertical for the given pointer index.
* An angle of 0 degrees indicates that the major axis of contact is oriented
* upwards, is perfectly circular or is of unknown orientation. A positive angle
* indicates that the major axis of contact is oriented to the right. A negative angle
* indicates that the major axis of contact is oriented to the left.
* The full range is from -PI/2 radians (finger pointing fully left) to PI/2 radians
* (finger pointing fully right). */
float AMotionEvent_getOrientation(const AInputEvent* motion_event, size_t pointer_index);
/* Get the number of historical points in this event. These are movements that
* have occurred between this event and the previous event. This only applies
* to AMOTION_EVENT_ACTION_MOVE events -- all other actions will have a size of 0.
* Historical samples are indexed from oldest to newest. */
size_t AMotionEvent_getHistorySize(const AInputEvent* motion_event);
/* Get the time that a historical movement occurred between this event and
* the previous event, in the java.lang.System.nanoTime() time base. */
int64_t AMotionEvent_getHistoricalEventTime(AInputEvent* motion_event,
size_t history_index);
/* Get the historical raw X coordinate of this event for the given pointer index that
* occurred between this event and the previous motion event.
* For touch events on the screen, this is the original location of the event
* on the screen, before it had been adjusted for the containing window
* and views.
* Whole numbers are pixels; the value may have a fraction for input devices
* that are sub-pixel precise. */
float AMotionEvent_getHistoricalRawX(const AInputEvent* motion_event, size_t pointer_index,
size_t history_index);
/* Get the historical raw Y coordinate of this event for the given pointer index that
* occurred between this event and the previous motion event.
* For touch events on the screen, this is the original location of the event
* on the screen, before it had been adjusted for the containing window
* and views.
* Whole numbers are pixels; the value may have a fraction for input devices
* that are sub-pixel precise. */
float AMotionEvent_getHistoricalRawY(const AInputEvent* motion_event, size_t pointer_index,
size_t history_index);
/* Get the historical X coordinate of this event for the given pointer index that
* occurred between this event and the previous motion event.
* Whole numbers are pixels; the value may have a fraction for input devices
* that are sub-pixel precise. */
float AMotionEvent_getHistoricalX(AInputEvent* motion_event, size_t pointer_index,
size_t history_index);
/* Get the historical Y coordinate of this event for the given pointer index that
* occurred between this event and the previous motion event.
* Whole numbers are pixels; the value may have a fraction for input devices
* that are sub-pixel precise. */
float AMotionEvent_getHistoricalY(AInputEvent* motion_event, size_t pointer_index,
size_t history_index);
/* Get the historical pressure of this event for the given pointer index that
* occurred between this event and the previous motion event.
* The pressure generally ranges from 0 (no pressure at all) to 1 (normal pressure),
* although values higher than 1 may be generated depending on the calibration of
* the input device. */
float AMotionEvent_getHistoricalPressure(AInputEvent* motion_event, size_t pointer_index,
size_t history_index);
/* Get the current scaled value of the approximate size for the given pointer index that
* occurred between this event and the previous motion event.
* This represents some approximation of the area of the screen being
* pressed; the actual value in pixels corresponding to the
* touch is normalized with the device specific range of values
* and scaled to a value between 0 and 1. The value of size can be used to
* determine fat touch events. */
float AMotionEvent_getHistoricalSize(AInputEvent* motion_event, size_t pointer_index,
size_t history_index);
/* Get the historical length of the major axis of an ellipse that describes the touch area
* at the point of contact for the given pointer index that
* occurred between this event and the previous motion event. */
float AMotionEvent_getHistoricalTouchMajor(const AInputEvent* motion_event, size_t pointer_index,
size_t history_index);
/* Get the historical length of the minor axis of an ellipse that describes the touch area
* at the point of contact for the given pointer index that
* occurred between this event and the previous motion event. */
float AMotionEvent_getHistoricalTouchMinor(const AInputEvent* motion_event, size_t pointer_index,
size_t history_index);
/* Get the historical length of the major axis of an ellipse that describes the size
* of the approaching tool for the given pointer index that
* occurred between this event and the previous motion event.
* The tool area represents the estimated size of the finger or pen that is
* touching the device independent of its actual touch area at the point of contact. */
float AMotionEvent_getHistoricalToolMajor(const AInputEvent* motion_event, size_t pointer_index,
size_t history_index);
/* Get the historical length of the minor axis of an ellipse that describes the size
* of the approaching tool for the given pointer index that
* occurred between this event and the previous motion event.
* The tool area represents the estimated size of the finger or pen that is
* touching the device independent of its actual touch area at the point of contact. */
float AMotionEvent_getHistoricalToolMinor(const AInputEvent* motion_event, size_t pointer_index,
size_t history_index);
/* Get the historical orientation of the touch area and tool area in radians clockwise from
* vertical for the given pointer index that
* occurred between this event and the previous motion event.
* An angle of 0 degrees indicates that the major axis of contact is oriented
* upwards, is perfectly circular or is of unknown orientation. A positive angle
* indicates that the major axis of contact is oriented to the right. A negative angle
* indicates that the major axis of contact is oriented to the left.
* The full range is from -PI/2 radians (finger pointing fully left) to PI/2 radians
* (finger pointing fully right). */
float AMotionEvent_getHistoricalOrientation(const AInputEvent* motion_event, size_t pointer_index,
size_t history_index);
/*
* Input queue
*
* An input queue is the facility through which you retrieve input
* events.
*/
struct AInputQueue;
typedef struct AInputQueue AInputQueue;
/*
* Add this input queue to a looper for processing. See
* ALooper_addFd() for information on the ident, callback, and data params.
*/
void AInputQueue_attachLooper(AInputQueue* queue, ALooper* looper,
int ident, ALooper_callbackFunc callback, void* data);
/*
* Remove the input queue from the looper it is currently attached to.
*/
void AInputQueue_detachLooper(AInputQueue* queue);
/*
* Returns true if there are one or more events available in the
* input queue. Returns 1 if the queue has events; 0 if
* it does not have events; and a negative value if there is an error.
*/
int32_t AInputQueue_hasEvents(AInputQueue* queue);
/*
* Returns the next available event from the queue. Returns a negative
* value if no events are available or an error has occurred.
*/
int32_t AInputQueue_getEvent(AInputQueue* queue, AInputEvent** outEvent);
/*
* Sends the key for standard pre-dispatching -- that is, possibly deliver
* it to the current IME to be consumed before the app. Returns 0 if it
* was not pre-dispatched, meaning you can process it right now. If non-zero
* is returned, you must abandon the current event processing and allow the
* event to appear again in the event queue (if it does not get consumed during
* pre-dispatching).
*/
int32_t AInputQueue_preDispatchEvent(AInputQueue* queue, AInputEvent* event);
/*
* Report that dispatching has finished with the given event.
* This must be called after receiving an event with AInputQueue_get_event().
*/
void AInputQueue_finishEvent(AInputQueue* queue, AInputEvent* event, int handled);
Raw
keycodes.h
enum {
AKEYCODE_UNKNOWN = 0,
AKEYCODE_SOFT_LEFT = 1,
AKEYCODE_SOFT_RIGHT = 2,
AKEYCODE_HOME = 3,
AKEYCODE_BACK = 4,
AKEYCODE_CALL = 5,
AKEYCODE_ENDCALL = 6,
AKEYCODE_0 = 7,
AKEYCODE_1 = 8,
AKEYCODE_2 = 9,
AKEYCODE_3 = 10,
AKEYCODE_4 = 11,
AKEYCODE_5 = 12,
AKEYCODE_6 = 13,
AKEYCODE_7 = 14,
AKEYCODE_8 = 15,
AKEYCODE_9 = 16,
AKEYCODE_STAR = 17,
AKEYCODE_POUND = 18,
AKEYCODE_DPAD_UP = 19,
AKEYCODE_DPAD_DOWN = 20,
AKEYCODE_DPAD_LEFT = 21,
AKEYCODE_DPAD_RIGHT = 22,
AKEYCODE_DPAD_CENTER = 23,
AKEYCODE_VOLUME_UP = 24,
AKEYCODE_VOLUME_DOWN = 25,
AKEYCODE_POWER = 26,
AKEYCODE_CAMERA = 27,
AKEYCODE_CLEAR = 28,
AKEYCODE_A = 29,
AKEYCODE_B = 30,
AKEYCODE_C = 31,
AKEYCODE_D = 32,
AKEYCODE_E = 33,
AKEYCODE_F = 34,
AKEYCODE_G = 35,
AKEYCODE_H = 36,
AKEYCODE_I = 37,
AKEYCODE_J = 38,
AKEYCODE_K = 39,
AKEYCODE_L = 40,
AKEYCODE_M = 41,
AKEYCODE_N = 42,
AKEYCODE_O = 43,
AKEYCODE_P = 44,
AKEYCODE_Q = 45,
AKEYCODE_R = 46,
AKEYCODE_S = 47,
AKEYCODE_T = 48,
AKEYCODE_U = 49,
AKEYCODE_V = 50,
AKEYCODE_W = 51,
AKEYCODE_X = 52,
AKEYCODE_Y = 53,
AKEYCODE_Z = 54,
AKEYCODE_COMMA = 55,
AKEYCODE_PERIOD = 56,
AKEYCODE_ALT_LEFT = 57,
AKEYCODE_ALT_RIGHT = 58,
AKEYCODE_SHIFT_LEFT = 59,
AKEYCODE_SHIFT_RIGHT = 60,
AKEYCODE_TAB = 61,
AKEYCODE_SPACE = 62,
AKEYCODE_SYM = 63,
AKEYCODE_EXPLORER = 64,
AKEYCODE_ENVELOPE = 65,
AKEYCODE_ENTER = 66,
AKEYCODE_DEL = 67,
AKEYCODE_GRAVE = 68,
AKEYCODE_MINUS = 69,
AKEYCODE_EQUALS = 70,
AKEYCODE_LEFT_BRACKET = 71,
AKEYCODE_RIGHT_BRACKET = 72,
AKEYCODE_BACKSLASH = 73,
AKEYCODE_SEMICOLON = 74,
AKEYCODE_APOSTROPHE = 75,
AKEYCODE_SLASH = 76,
AKEYCODE_AT = 77,
AKEYCODE_NUM = 78,
AKEYCODE_HEADSETHOOK = 79,
AKEYCODE_FOCUS = 80, // *Camera* focus
AKEYCODE_PLUS = 81,
AKEYCODE_MENU = 82,
AKEYCODE_NOTIFICATION = 83,
AKEYCODE_SEARCH = 84,
AKEYCODE_MEDIA_PLAY_PAUSE= 85,
AKEYCODE_MEDIA_STOP = 86,
AKEYCODE_MEDIA_NEXT = 87,
AKEYCODE_MEDIA_PREVIOUS = 88,
AKEYCODE_MEDIA_REWIND = 89,
AKEYCODE_MEDIA_FAST_FORWARD = 90,
AKEYCODE_MUTE = 91,
AKEYCODE_PAGE_UP = 92,
AKEYCODE_PAGE_DOWN = 93,
AKEYCODE_PICTSYMBOLS = 94,
AKEYCODE_SWITCH_CHARSET = 95,
AKEYCODE_BUTTON_A = 96,
AKEYCODE_BUTTON_B = 97,
AKEYCODE_BUTTON_C = 98,
AKEYCODE_BUTTON_X = 99,
AKEYCODE_BUTTON_Y = 100,
AKEYCODE_BUTTON_Z = 101,
AKEYCODE_BUTTON_L1 = 102,
AKEYCODE_BUTTON_R1 = 103,
AKEYCODE_BUTTON_L2 = 104,
AKEYCODE_BUTTON_R2 = 105,
AKEYCODE_BUTTON_THUMBL = 106,
AKEYCODE_BUTTON_THUMBR = 107,
AKEYCODE_BUTTON_START = 108,
AKEYCODE_BUTTON_SELECT = 109,
AKEYCODE_BUTTON_MODE = 110,
};
Raw
log-generic.h
#define LOG_TAG "mylib"
#ifdef ANDROID
# define LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
# define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
#else
# define QUOTEME_(x) #x
# define QUOTEME(x) QUOTEME_(x)
# define LOGI(...) printf("I/" LOG_TAG " (" __FILE__ ":" QUOTEME(__LINE__) "): " __VA_ARGS__)
# define LOGE(...) printf("E/" LOG_TAG "(" ")" __VA_ARGS__)
#endif
Raw
log.h
/* Android log priority values, in ascending priority order. */
typedef enum android_LogPriority {
ANDROID_LOG_UNKNOWN = 0,
ANDROID_LOG_DEFAULT, /* only for SetMinPriority() */
ANDROID_LOG_VERBOSE,
ANDROID_LOG_DEBUG,
ANDROID_LOG_INFO,
ANDROID_LOG_WARN,
ANDROID_LOG_ERROR,
ANDROID_LOG_FATAL,
ANDROID_LOG_SILENT, /* only for SetMinPriority(); must be last */
} android_LogPriority;
/** Send a simple string to the log. */
int __android_log_write(int prio, const char *tag, const char *text);
/** Send a formatted string to the log, used like printf(fmt,...). */
int __android_log_print(int prio, const char *tag, const char *fmt, ...);
/* A variant of __android_log_print() that takes a va_list to list additional parameters. */
int __android_log_vprint(int prio, const char *tag, const char *fmt, va_list ap);
/*
* Log an assertion failure and SIGTRAP the process to have a chance
* to inspect it, if a debugger is attached. This uses the FATAL priority.
*/
void __android_log_assert(const char *cond, const char *tag, const char *fmt, ...);
Raw
looper.h
/**
* ALooper
*
* A looper is the state tracking an event loop for a thread.
* Loopers do not define event structures or other such things; rather
* they are a lower-level facility to attach one or more discrete objects
* listening for an event. An "event" here is simply data available on
* a file descriptor: each attached object has an associated file descriptor,
* and waiting for "events" means (internally) polling on all of these file
* descriptors until one or more of them have data available.
*
* A thread can have only one ALooper associated with it.
*/
struct ALooper;
typedef struct ALooper ALooper;
/**
* Returns the looper associated with the calling thread, or NULL if
* there is not one.
*/
ALooper* ALooper_forThread();
enum {
/**
* Option for ALooper_prepare: this looper will accept calls to
* ALooper_addFd() that do not have a callback (that is provide NULL
* for the callback). In this case the caller of ALooper_pollOnce()
* or ALooper_pollAll() MUST check the return from these functions to
* discover when data is available on such fds and process it.
*/
ALOOPER_PREPARE_ALLOW_NON_CALLBACKS = 1<<0
};
/**
* Prepares a looper associated with the calling thread, and returns it.
* If the thread already has a looper, it is returned. Otherwise, a new
* one is created, associated with the thread, and returned.
*
* The opts may be ALOOPER_PREPARE_ALLOW_NON_CALLBACKS or 0.
*/
ALooper* ALooper_prepare(int opts);
enum {
/**
* Result from ALooper_pollOnce() and ALooper_pollAll():
* The poll was awoken using wake() before the timeout expired
* and no callbacks were executed and no other file descriptors were ready.
*/
ALOOPER_POLL_WAKE = -1,
/**
* Result from ALooper_pollOnce() and ALooper_pollAll():
* One or more callbacks were executed.
*/
ALOOPER_POLL_CALLBACK = -2,
/**
* Result from ALooper_pollOnce() and ALooper_pollAll():
* The timeout expired.
*/
ALOOPER_POLL_TIMEOUT = -3,
/**
* Result from ALooper_pollOnce() and ALooper_pollAll():
* An error occurred.
*/
ALOOPER_POLL_ERROR = -4,
};
/**
* Acquire a reference on the given ALooper object. This prevents the object
* from being deleted until the reference is removed. This is only needed
* to safely hand an ALooper from one thread to another.
*/
void ALooper_acquire(ALooper* looper);
/**
* Remove a reference that was previously acquired with ALooper_acquire().
*/
void ALooper_release(ALooper* looper);
/**
* Flags for file descriptor events that a looper can monitor.
*
* These flag bits can be combined to monitor multiple events at once.
*/
enum {
/**
* The file descriptor is available for read operations.
*/
ALOOPER_EVENT_INPUT = 1 << 0,
/**
* The file descriptor is available for write operations.
*/
ALOOPER_EVENT_OUTPUT = 1 << 1,
/**
* The file descriptor has encountered an error condition.
*
* The looper always sends notifications about errors; it is not necessary
* to specify this event flag in the requested event set.
*/
ALOOPER_EVENT_ERROR = 1 << 2,
/**
* The file descriptor was hung up.
* For example, indicates that the remote end of a pipe or socket was closed.
*
* The looper always sends notifications about hangups; it is not necessary
* to specify this event flag in the requested event set.
*/
ALOOPER_EVENT_HANGUP = 1 << 3,
/**
* The file descriptor is invalid.
* For example, the file descriptor was closed prematurely.
*
* The looper always sends notifications about invalid file descriptors; it is not necessary
* to specify this event flag in the requested event set.
*/
ALOOPER_EVENT_INVALID = 1 << 4,
};
/**
* For callback-based event loops, this is the prototype of the function
* that is called. It is given the file descriptor it is associated with,
* a bitmask of the poll events that were triggered (typically ALOOPER_EVENT_INPUT),
* and the data pointer that was originally supplied.
*
* Implementations should return 1 to continue receiving callbacks, or 0
* to have this file descriptor and callback unregistered from the looper.
*/
typedef int (*ALooper_callbackFunc)(int fd, int events, void* data);
/**
* Waits for events to be available, with optional timeout in milliseconds.
* Invokes callbacks for all file descriptors on which an event occurred.
*
* If the timeout is zero, returns immediately without blocking.
* If the timeout is negative, waits indefinitely until an event appears.
*
* Returns ALOOPER_POLL_WAKE if the poll was awoken using wake() before
* the timeout expired and no callbacks were invoked and no other file
* descriptors were ready.
*
* Returns ALOOPER_POLL_CALLBACK if one or more callbacks were invoked.
*
* Returns ALOOPER_POLL_TIMEOUT if there was no data before the given
* timeout expired.
*
* Returns ALOOPER_POLL_ERROR if an error occurred.
*
* Returns a value >= 0 containing an identifier if its file descriptor has data
* and it has no callback function (requiring the caller here to handle it).
* In this (and only this) case outFd, outEvents and outData will contain the poll
* events and data associated with the fd, otherwise they will be set to NULL.
*
* This method does not return until it has finished invoking the appropriate callbacks
* for all file descriptors that were signalled.
*/
int ALooper_pollOnce(int timeoutMillis, int* outFd, int* outEvents, void** outData);
/**
* Like ALooper_pollOnce(), but performs all pending callbacks until all
* data has been consumed or a file descriptor is available with no callback.
* This function will never return ALOOPER_POLL_CALLBACK.
*/
int ALooper_pollAll(int timeoutMillis, int* outFd, int* outEvents, void** outData);
/**
* Wakes the poll asynchronously.
*
* This method can be called on any thread.
* This method returns immediately.
*/
void ALooper_wake(ALooper* looper);
/**
* Adds a new file descriptor to be polled by the looper.
* If the same file descriptor was previously added, it is replaced.
*
* "fd" is the file descriptor to be added.
* "ident" is an identifier for this event, which is returned from ALooper_pollOnce().
* The identifier must be >= 0, or ALOOPER_POLL_CALLBACK if providing a non-NULL callback.
* "events" are the poll events to wake up on. Typically this is ALOOPER_EVENT_INPUT.
* "callback" is the function to call when there is an event on the file descriptor.
* "data" is a private data pointer to supply to the callback.
*
* There are two main uses of this function:
*
* (1) If "callback" is non-NULL, then this function will be called when there is
* data on the file descriptor. It should execute any events it has pending,
* appropriately reading from the file descriptor. The 'ident' is ignored in this case.
*
* (2) If "callback" is NULL, the 'ident' will be returned by ALooper_pollOnce
* when its file descriptor has data available, requiring the caller to take
* care of processing it.
*
* Returns 1 if the file descriptor was added or -1 if an error occurred.
*
* This method can be called on any thread.
* This method may block briefly if it needs to wake the poll.
*/
int ALooper_addFd(ALooper* looper, int fd, int ident, int events, ALooper_callbackFunc callback, void* data);
/**
* Removes a previously added file descriptor from the looper.
*
* When this method returns, it is safe to close the file descriptor since the looper
* will no longer have a reference to it. However, it is possible for the callback to
* already be running or for it to run one last time if the file descriptor was already
* signalled. Calling code is responsible for ensuring that this case is safely handled.
* For example, if the callback takes care of removing itself during its own execution either
* by returning 0 or by calling this method, then it can be guaranteed to not be invoked
* again at any later time unless registered anew.
*
* Returns 1 if the file descriptor was removed, 0 if none was previously registered
* or -1 if an error occurred.
*
* This method can be called on any thread.
* This method may block briefly if it needs to wake the poll.
*/
int ALooper_removeFd(ALooper* looper, int fd);
Raw
native_activity.h
/**
* This structure defines the native side of an android.app.NativeActivity.
* It is created by the framework, and handed to the application's native
* code as it is being launched.
*/
typedef struct ANativeActivity {
/**
* Pointer to the callback function table of the native application.
* You can set the functions here to your own callbacks. The callbacks
* pointer itself here should not be changed; it is allocated and managed
* for you by the framework.
*/
struct ANativeActivityCallbacks* callbacks;
/** The global handle on the process's Java VM. */
JavaVM* vm;
/**
* JNI context for the main thread of the app. Note that this field
* can ONLY be used from the main thread of the process; that is, the
* thread that calls into the ANativeActivityCallbacks.
*/
JNIEnv* env;
/**
* The NativeActivity object handle.
*
* IMPORTANT NOTE: This member is mis-named. It should really be named
* 'activity' instead of 'clazz', since it's a reference to the
* NativeActivity instance created by the system for you.
*
* We unfortunately cannot change this without breaking NDK
* source-compatibility.
*/
jobject clazz;
/** Path to this application's internal data directory. */
char const* internalDataPath;
/** Path to this application's external (removable/mountable) data directory. */
char const* externalDataPath;
/** The platform's SDK version code. */
int32_t sdkVersion;
/**
* This is the native instance of the application. It is not used by
* the framework, but can be set by the application to its own instance
* state.
*/
void* instance;
/**
* Pointer to the Asset Manager instance for the application. The application
* uses this to access binary assets bundled inside its own .apk file.
*/
AAssetManager* assetManager;
} ANativeActivity;
/**
* These are the callbacks the framework makes into a native application.
* All of these callbacks happen on the main thread of the application.
* By default, all callbacks are NULL; set to a pointer to your own function
* to have it called.
*/
typedef struct ANativeActivityCallbacks {
/**
* NativeActivity has started. See Java documentation for Activity.onStart()
* for more information.
*/
void (*onStart)(ANativeActivity* activity);
/**
* NativeActivity has resumed. See Java documentation for Activity.onResume()
* for more information.
*/
void (*onResume)(ANativeActivity* activity);
/**
* Framework is asking NativeActivity to save its current instance state.
* See Java documentation for Activity.onSaveInstanceState() for more
* information. The returned pointer needs to be created with malloc();
* the framework will call free() on it for you. You also must fill in
* outSize with the number of bytes in the allocation. Note that the
* saved state will be persisted, so it can not contain any active
* entities (pointers to memory, file descriptors, etc).
*/
void* (*onSaveInstanceState)(ANativeActivity* activity, size_t* outSize);
/**
* NativeActivity has paused. See Java documentation for Activity.onPause()
* for more information.
*/
void (*onPause)(ANativeActivity* activity);
/**
* NativeActivity has stopped. See Java documentation for Activity.onStop()
* for more information.
*/
void (*onStop)(ANativeActivity* activity);
/**
* NativeActivity is being destroyed. See Java documentation for Activity.onDestroy()
* for more information.
*/
void (*onDestroy)(ANativeActivity* activity);
/**
* Focus has changed in this NativeActivity's window. This is often used,
* for example, to pause a game when it loses input focus.
*/
void (*onWindowFocusChanged)(ANativeActivity* activity, int hasFocus);
/**
* The drawing window for this native activity has been created. You
* can use the given native window object to start drawing.
*/
void (*onNativeWindowCreated)(ANativeActivity* activity, ANativeWindow* window);
/**
* The drawing window for this native activity has been resized. You should
* retrieve the new size from the window and ensure that your rendering in
* it now matches.
*/
void (*onNativeWindowResized)(ANativeActivity* activity, ANativeWindow* window);
/**
* The drawing window for this native activity needs to be redrawn. To avoid
* transient artifacts during screen changes (such resizing after rotation),
* applications should not return from this function until they have finished
* drawing their window in its current state.
*/
void (*onNativeWindowRedrawNeeded)(ANativeActivity* activity, ANativeWindow* window);
/**
* The drawing window for this native activity is going to be destroyed.
* You MUST ensure that you do not touch the window object after returning
* from this function: in the common case of drawing to the window from
* another thread, that means the implementation of this callback must
* properly synchronize with the other thread to stop its drawing before
* returning from here.
*/
void (*onNativeWindowDestroyed)(ANativeActivity* activity, ANativeWindow* window);
/**
* The input queue for this native activity's window has been created.
* You can use the given input queue to start retrieving input events.
*/
void (*onInputQueueCreated)(ANativeActivity* activity, AInputQueue* queue);
/**
* The input queue for this native activity's window is being destroyed.
* You should no longer try to reference this object upon returning from this
* function.
*/
void (*onInputQueueDestroyed)(ANativeActivity* activity, AInputQueue* queue);
/**
* The rectangle in the window in which content should be placed has changed.
*/
void (*onContentRectChanged)(ANativeActivity* activity, const ARect* rect);
/**
* The current device AConfiguration has changed. The new configuration can
* be retrieved from assetManager.
*/
void (*onConfigurationChanged)(ANativeActivity* activity);
/**
* The system is running low on memory. Use this callback to release
* resources you do not need, to help the system avoid killing more
* important processes.
*/
void (*onLowMemory)(ANativeActivity* activity);
} ANativeActivityCallbacks;
/**
* This is the function that must be in the native code to instantiate the
* application's native activity. It is called with the activity instance (see
* above); if the code is being instantiated from a previously saved instance,
* the savedState will be non-NULL and point to the saved data. You must make
* any copy of this data you need -- it will be released after you return from
* this function.
*/
typedef void ANativeActivity_createFunc(ANativeActivity* activity,
void* savedState, size_t savedStateSize);
/**
* The name of the function that NativeInstance looks for when launching its
* native code. This is the default function that is used, you can specify
* "android.app.func_name" string meta-data in your manifest to use a different
* function.
*/
extern ANativeActivity_createFunc ANativeActivity_onCreate;
/**
* Finish the given activity. Its finish() method will be called, causing it
* to be stopped and destroyed. Note that this method can be called from
* *any* thread; it will send a message to the main thread of the process
* where the Java finish call will take place.
*/
void ANativeActivity_finish(ANativeActivity* activity);
/**
* Change the window format of the given activity. Calls getWindow().setFormat()
* of the given activity. Note that this method can be called from
* *any* thread; it will send a message to the main thread of the process
* where the Java finish call will take place.
*/
void ANativeActivity_setWindowFormat(ANativeActivity* activity, int32_t format);
/**
* Change the window flags of the given activity. Calls getWindow().setFlags()
* of the given activity. Note that this method can be called from
* *any* thread; it will send a message to the main thread of the process
* where the Java finish call will take place. See window.h for flag constants.
*/
void ANativeActivity_setWindowFlags(ANativeActivity* activity,
uint32_t addFlags, uint32_t removeFlags);
/**
* Flags for ANativeActivity_showSoftInput; see the Java InputMethodManager
* API for documentation.
*/
enum {
ANATIVEACTIVITY_SHOW_SOFT_INPUT_IMPLICIT = 0x0001,
ANATIVEACTIVITY_SHOW_SOFT_INPUT_FORCED = 0x0002,
};
/**
* Show the IME while in the given activity. Calls InputMethodManager.showSoftInput()
* for the given activity. Note that this method can be called from
* *any* thread; it will send a message to the main thread of the process
* where the Java finish call will take place.
*/
void ANativeActivity_showSoftInput(ANativeActivity* activity, uint32_t flags);
/**
* Flags for ANativeActivity_hideSoftInput; see the Java InputMethodManager
* API for documentation.
*/
enum {
ANATIVEACTIVITY_HIDE_SOFT_INPUT_IMPLICIT_ONLY = 0x0001,
ANATIVEACTIVITY_HIDE_SOFT_INPUT_NOT_ALWAYS = 0x0002,
};
/**
* Hide the IME while in the given activity. Calls InputMethodManager.hideSoftInput()
* for the given activity. Note that this method can be called from
* *any* thread; it will send a message to the main thread of the process
* where the Java finish call will take place.
*/
void ANativeActivity_hideSoftInput(ANativeActivity* activity, uint32_t flags);
Raw
sensor.h
/* Sensor types */
enum {
ASENSOR_TYPE_ACCELEROMETER = 1,
ASENSOR_TYPE_MAGNETIC_FIELD = 2,
ASENSOR_TYPE_GYROSCOPE = 4,
ASENSOR_TYPE_LIGHT = 5,
ASENSOR_TYPE_PROXIMITY = 8
};
/** Sensor accuracy measure */
enum {
ASENSOR_STATUS_UNRELIABLE = 0,
ASENSOR_STATUS_ACCURACY_LOW = 1,
ASENSOR_STATUS_ACCURACY_MEDIUM = 2,
ASENSOR_STATUS_ACCURACY_HIGH = 3
};
/** A few useful constants */
/* Earth's gravity in m/s^2 */
#define ASENSOR_STANDARD_GRAVITY (9.80665f)
/* Maximum magnetic field on Earth's surface in uT */
#define ASENSOR_MAGNETIC_FIELD_EARTH_MAX (60.0f)
/* Minimum magnetic field on Earth's surface in uT*/
#define ASENSOR_MAGNETIC_FIELD_EARTH_MIN (30.0f)
/* A sensor event. */
typedef struct ASensorVector {
union {
float v[3];
struct {
float x;
float y;
float z;
};
struct {
float azimuth;
float pitch;
float roll;
};
};
int8_t status;
uint8_t reserved[3];
} ASensorVector;
typedef struct ASensorEvent {
int32_t version; /* sizeof(struct ASensorEvent) */
int32_t sensor;
int32_t type;
int32_t reserved0;
int64_t timestamp;
union {
float data[16];
ASensorVector vector;
ASensorVector acceleration;
ASensorVector magnetic;
float temperature;
float distance;
float light;
float pressure;
};
int32_t reserved1[4];
} ASensorEvent;
struct ASensorManager;
struct ASensorEventQueue;
struct ASensor;
/*
* Get a reference to the sensor manager. ASensorManager is a singleton.
*
* Example: ASensorManager* sensorManager = ASensorManager_getInstance();
*/
ASensorManager* ASensorManager_getInstance();
/** Returns the list of available sensors. */
int ASensorManager_getSensorList(ASensorManager* manager, ASensorList* list);
/** Returns the default sensor for the given type, or NULL if no sensor of that type exist. */
ASensor const* ASensorManager_getDefaultSensor(ASensorManager* manager, int type);
/** Creates a new sensor event queue and associate it with a looper. */
ASensorEventQueue* ASensorManager_createEventQueue(ASensorManager* manager,
ALooper* looper, int ident, ALooper_callbackFunc callback, void* data);
/** Destroys the event queue and free all resources associated to it. */
int ASensorManager_destroyEventQueue(ASensorManager* manager, ASensorEventQueue* queue);
/** Enable the selected sensor. Returns a negative error code on failure. */
int ASensorEventQueue_enableSensor(ASensorEventQueue* queue, ASensor const* sensor);
/** Disable the selected sensor. Returns a negative error code on failure. */
int ASensorEventQueue_disableSensor(ASensorEventQueue* queue, ASensor const* sensor);
/**
* Sets the delivery rate of events in microseconds for the given sensor.
* Note that this is a hint only, generally event will arrive at a higher
* rate. It is an error to set a rate inferior to the value returned by
* ASensor_getMinDelay().
* Returns a negative error code on failure.
*/
int ASensorEventQueue_setEventRate(ASensorEventQueue* queue, ASensor const* sensor, int32_t usec);
/**
* Returns true if there are one or more events available in the
* sensor queue. Returns 1 if the queue has events; 0 if
* it does not have events; and a negative value if there is an error.
*/
int ASensorEventQueue_hasEvents(ASensorEventQueue* queue);
/**
* Returns the next available events from the queue. Returns a negative
* value if no events are available or an error has occurred, otherwise
* the number of events returned.
*
* Examples:
* ASensorEvent event;
* ssize_t numEvent = ASensorEventQueue_getEvents(queue, &event, 1);
*
* ASensorEvent eventBuffer[8];
* ssize_t numEvent = ASensorEventQueue_getEvents(queue, eventBuffer, 8);
*
*/
ssize_t ASensorEventQueue_getEvents(ASensorEventQueue* queue,
ASensorEvent* events, size_t count);
/** Returns this sensor's name (non localized) */
const char* ASensor_getName(ASensor const* sensor);
/** Returns this sensor's vendor's name (non localized) */
const char* ASensor_getVendor(ASensor const* sensor);
int ASensor_getType(ASensor const* sensor);
float ASensor_getResolution(ASensor const* sensor);
/*
* Returns the minimum delay allowed between events in microseconds.
* A value of zero means that this sensor doesn't report events at a
* constant rate, but rather only when a new data is available.
*/
int ASensor_getMinDelay(ASensor const* sensor);
Raw
system_properties.h
#define PROP_NAME_MAX 32
#define PROP_VALUE_MAX 92
typedef struct prop_info {
char name[PROP_NAME_MAX];
unsigned volatile serial;
char value[PROP_VALUE_MAX];
} prop_info;
/* Look up a system property by name, copying its value and a
** \0 terminator to the provided pointer. The total bytes
** copied will be no greater than PROP_VALUE_MAX. Returns
** the string length of the value. A property that is not
** defined is identical to a property with a length 0 value.
*/
int __system_property_get(const char *name, char *value);
/* Return a pointer to the system property named name, if it
** exists, or NULL if there is no such property. Use
** __system_property_read() to obtain the string value from
** the returned prop_info pointer.
**
** It is safe to cache the prop_info pointer to avoid future
** lookups. These returned pointers will remain valid for
** the lifetime of the system.
*/
const prop_info *__system_property_find(const char *name);
/* Read the value of a system property. Returns the length
** of the value. Copies the value and \0 terminator into
** the provided value pointer. Total length (including
** terminator) will be no greater that PROP_VALUE_MAX.
**
** If name is nonzero, up to PROP_NAME_MAX bytes will be
** copied into the provided name pointer. The name will
** be \0 terminated.
*/
int __system_property_read(const prop_info *pi, char *name, char *value);
/* Return a prop_info for the nth system property, or NULL if
** there is no nth property. Use __system_property_read() to
** read the value of this property.
**
** This method is for inspecting and debugging the property
** system. Please use __system_property_find() instead.
**
** Order of results may change from call to call. This is
** not a bug.
*/
const prop_info *__system_property_find_nth(unsigned n);
Raw
window*.h
/**
* Return the ANativeWindow associated with a Java Surface object,
* for interacting with it through native code. This acquires a reference
* on the ANativeWindow that is returned; be sure to use ANativeWindow_release()
* when done with it so that it doesn't leak.
*/
ANativeWindow* ANativeWindow_fromSurface(JNIEnv* env, jobject surface);
typedef struct ARect {
int32_t left;
int32_t top;
int32_t right;
int32_t bottom;
} ARect;
/* Pixel formats that a window can use. */
enum {
WINDOW_FORMAT_RGBA_8888 = 1,
WINDOW_FORMAT_RGBX_8888 = 2,
WINDOW_FORMAT_RGB_565 = 4,
};
struct ANativeWindow;
typedef struct ANativeWindow ANativeWindow;
typedef struct ANativeWindow_Buffer {
// The number of pixels that are show horizontally.
int32_t width;
// The number of pixels that are shown vertically.
int32_t height;
// The number of *pixels* that a line in the buffer takes in
// memory. This may be >= width.
int32_t stride;
// The format of the buffer. One of WINDOW_FORMAT_*
int32_t format;
// The actual bits.
void* bits;
// Do not touch.
uint32_t reserved[6];
} ANativeWindow_Buffer;
/**
* Acquire a reference on the given ANativeWindow object. This prevents the object
* from being deleted until the reference is removed.
*/
void ANativeWindow_acquire(ANativeWindow* window);
/**
* Remove a reference that was previously acquired with ANativeWindow_acquire().
*/
void ANativeWindow_release(ANativeWindow* window);
/*
* Return the current width in pixels of the window surface. Returns a
* negative value on error.
*/
int32_t ANativeWindow_getWidth(ANativeWindow* window);
/*
* Return the current height in pixels of the window surface. Returns a
* negative value on error.
*/
int32_t ANativeWindow_getHeight(ANativeWindow* window);
/*
* Return the current pixel format of the window surface. Returns a
* negative value on error.
*/
int32_t ANativeWindow_getFormat(ANativeWindow* window);
/*
* Change the format and size of the window buffers.
*
* The width and height control the number of pixels in the buffers, not the
* dimensions of the window on screen. If these are different than the
* window's physical size, then it buffer will be scaled to match that size
* when compositing it to the screen.
*
* For all of these parameters, if 0 is supplied then the window's base
* value will come back in force.
*/
int32_t ANativeWindow_setBuffersGeometry(ANativeWindow* window, int32_t width, int32_t height, int32_t format);
/**
* Lock the window's next drawing surface for writing.
*/
int32_t ANativeWindow_lock(ANativeWindow* window, ANativeWindow_Buffer* outBuffer, ARect* inOutDirtyBounds);
/**
* Unlock the window's drawing surface after previously locking it,
* posting the new buffer to the display.
*/
int32_t ANativeWindow_unlockAndPost(ANativeWindow* window);
@Seliniux777
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marged

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