View Nullable cast
var something: String? = getSomething() | |
fun main(args: Array<String>) { | |
nowItsNotAVarAnymore(something) | |
} | |
fun nowItsNotAVarAnymore(param: String?) { | |
if (param) { | |
println("Param is not nullable and contains ${param.length} characters) | |
} else { |
View BindExt.kt
import android.app.Activity | |
import android.support.annotation.IdRes | |
import android.view.View | |
fun <T : View> Activity.bind(@IdRes idRes: Int): Lazy<T> { | |
@Suppress("UNCHECKED_CAST") | |
return unsafeLazy { findViewById(idRes) as T } | |
} | |
fun <T : View> View.bind(@IdRes idRes: Int): Lazy<T> { |
View TakePictureWithFileProvider2.java
private void takePicture() { | |
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); | |
if (takePictureIntent.resolveActivity(getPackageManager()) != null) { | |
Uri photoURI = null; | |
try { | |
File photoFile = createImageFileWith(); | |
path = photoFile.getAbsolutePath(); | |
photoURI = FileProvider.getUriForFile(MainActivity.this, | |
getString(R.string.file_provider_authority), | |
photoFile); |
View TakePictureWithFileProvider.java
private void takePicture() { | |
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); | |
if (takePictureIntent.resolveActivity(getPackageManager()) != null) { | |
Uri photoURI = null; | |
try { | |
File photoFile = createImageFileWith(); | |
path = photoFile.getAbsolutePath(); | |
photoURI = FileProvider.getUriForFile(MainActivity.this, | |
getString(R.string.file_provider_authority), | |
photoFile); |
View TakePicture.java
private void takePicture() { | |
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); | |
if (takePictureIntent.resolveActivity(getPackageManager()) != null) { | |
File photoFile = null; | |
try { | |
photoFile = createImageFileWith(); | |
} catch (IOException ex) { | |
Log.e("TakePicture", ex.getMessage()); | |
} | |
if (photoFile != null) { |
View onMeasure.java
@Override | |
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { | |
Log.v("Chart onMeasure w", MeasureSpec.toString(widthMeasureSpec)); | |
Log.v("Chart onMeasure h", MeasureSpec.toString(heightMeasureSpec)); | |
int desiredWidth = getSuggestedMinimumWidth() + getPaddingLeft() + getPaddingRight(); | |
int desiredHeight = getSuggestedMinimumHeight() + getPaddingTop() + getPaddingBottom(); | |
setMeasuredDimension(measureDimension(desiredWidth, widthMeasureSpec), | |
measureDimension(desiredHeight, heightMeasureSpec)); |
View measureWidth.java
private int measureDimension(int desiredSize, int measureSpec) { | |
int result; | |
int specMode = MeasureSpec.getMode(measureSpec); | |
int specSize = MeasureSpec.getSize(measureSpec); | |
if (specMode == MeasureSpec.EXACTLY) { | |
result = specSize; | |
} else { | |
result = desiredSize; | |
if (specMode == MeasureSpec.AT_MOST) { |
View Getting a map of UsageStats.java
Calendar calendar = Calendar.getInstance(); | |
calendar.add(Calendar.MONTH, -1); | |
long start = calendar.getTimeInMillis(); | |
long end = System.currentTimeMillis(); | |
Map<String, UsageStats> stats = usageStatsManager.queryAndAggregateUsageStats(start, end); |
View Getting UsageStats.java
Calendar calendar = Calendar.getInstance(); | |
calendar.add(Calendar.MONTH, -1); | |
long start = calendar.getTimeInMillis(); | |
long end = System.currentTimeMillis(); | |
List<UsageStats> stats = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_WEEKLY, start, end); |
View Check App Usage Permission.java
private boolean checkForPermission(Context context) { | |
AppOpsManager appOps = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE); | |
int mode = appOps.checkOpNoThrow(OPSTR_GET_USAGE_STATS, Process.myUid(), context.getPackageName()); | |
return mode == MODE_ALLOWED; | |
} |