InstaMaterial source files (photo capture)

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="io.github.froger.instamaterial">

    <!--...-->
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <uses-feature
        android:name="android.hardware.camera"
        android:required="true" />
    <uses-feature
        android:name="android.hardware.camera.front"
        android:required="false" />
    <uses-feature
        android:name="android.hardware.camera.autofocus"
        android:required="false" />

    <application
        android:name=".InstaMaterialApplication"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme">
        
        <!--...-->
        
    </application>

</manifest>

AndroidManifest_TakePhotoActivity.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="io.github.froger.instamaterial">

    <!--...-->
    
        <activity
            android:name=".ui.activity.TakePhotoActivity"
            android:screenOrientation="portrait"
            android:theme="@style/AppTheme.TransparentActivity.FullScreen" />
    
    <!--...-->

</manifest>

btn_capture.xml

<?xml version="1.0" encoding="utf-8"?>
<!--btn_capture.xml-->
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <shape android:shape="oval">
            <solid android:color="#458dca" />
        </shape>
    </item>
    <item
        android:bottom="16dp"
        android:left="16dp"
        android:right="16dp"
        android:top="16dp">
        <shape android:shape="oval">
            <solid android:color="#529bd8" />
        </shape>
    </item>
    <item>
        <shape android:shape="oval">
            <stroke
                android:width="2dp"
                android:color="#ffffff"
                android:dashWidth="0dp" />
        </shape>
    </item>
</layer-list>

btn_capture_options.xml

<?xml version="1.0" encoding="utf-8"?>
<!--btn_capture_options.xml-->
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="oval">
    <stroke
        android:width="1dp"
        android:color="#ffffff"
        android:dashWidth="0dp" />
</shape>

MyCameraHost.java

class MyCameraHost extends SimpleCameraHost {

    private Camera.Size previewSize;

    public MyCameraHost(Context ctxt) {
        super(ctxt);
    }

    @Override
    public boolean useFullBleedPreview() {
        return true;
    }

    @Override
    public Camera.Size getPictureSize(PictureTransaction xact, Camera.Parameters parameters) {
        return previewSize;
    }

    @Override
    public Camera.Parameters adjustPreviewParameters(Camera.Parameters parameters) {
        Camera.Parameters parameters1 = super.adjustPreviewParameters(parameters);
        previewSize = parameters1.getPreviewSize();
        return parameters1;
    }

    @Override
    public void saveImage(PictureTransaction xact, final Bitmap bitmap) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                showTakenPicture(bitmap);
            }
        });
    }
}

styles.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- styles.xml-->
<resources>

    <!--...-->

    <style name="AppTheme.TransparentActivity.FullScreen">
        <item name="android:windowFullscreen">true</item>
    </style>

    <!--...-->

</resources>

TakePhotoActivity_intro.java

public class TakePhotoActivity extends BaseActivity implements RevealBackgroundView.OnStateChangeListener {

    @InjectView(R.id.vUpperPanel)
    ViewSwitcher vUpperPanel;
    @InjectView(R.id.vLowerPanel)
    ViewSwitcher vLowerPanel;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        //...
        
        vUpperPanel.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
            @Override
            public boolean onPreDraw() {
                vUpperPanel.getViewTreeObserver().removeOnPreDrawListener(this);
                vUpperPanel.setTranslationY(-vUpperPanel.getHeight());
                vLowerPanel.setTranslationY(vLowerPanel.getHeight());
                return true;
            }
        });
    }

    @Override
    public void onStateChange(int state) {
        if (RevealBackgroundView.STATE_FINISHED == state) {
            vTakePhotoRoot.setVisibility(View.VISIBLE);
            startIntroAnimation();
        } else {
            vTakePhotoRoot.setVisibility(View.INVISIBLE);
        }
    }

    private void startIntroAnimation() {
        vUpperPanel.animate().translationY(0).setDuration(400).setInterpolator(DECELERATE_INTERPOLATOR);
        vLowerPanel.animate().translationY(0).setDuration(400).setInterpolator(DECELERATE_INTERPOLATOR).start();
    }

    //...
}

TakePhotoActivity_setup_photo.java

public class TakePhotoActivity extends BaseActivity implements RevealBackgroundView.OnStateChangeListener,
        CameraHostProvider {
    
    //...

    private void showTakenPicture(Bitmap bitmap) {
        vUpperPanel.showNext();
        vLowerPanel.showNext();
        ivTakenPhoto.setImageBitmap(bitmap);
        updateState(STATE_SETUP_PHOTO);
    }

    @Override
    public void onBackPressed() {
        if (currentState == STATE_SETUP_PHOTO) {
            btnTakePhoto.setEnabled(true);
            vUpperPanel.showNext();
            vLowerPanel.showNext();
            updateState(STATE_TAKE_PHOTO);
        } else {
            super.onBackPressed();
        }
    }

    private void updateState(int state) {
        currentState = state;
        if (currentState == STATE_TAKE_PHOTO) {
            vUpperPanel.setInAnimation(this, R.anim.slide_in_from_right);
            vLowerPanel.setInAnimation(this, R.anim.slide_in_from_right);
            vUpperPanel.setOutAnimation(this, R.anim.slide_out_to_left);
            vLowerPanel.setOutAnimation(this, R.anim.slide_out_to_left);
            new Handler().postDelayed(new Runnable() {
                @Override
                public void run() {
                    ivTakenPhoto.setVisibility(View.GONE);
                }
            }, 400);
        } else if (currentState == STATE_SETUP_PHOTO) {
            vUpperPanel.setInAnimation(this, R.anim.slide_in_from_left);
            vLowerPanel.setInAnimation(this, R.anim.slide_in_from_left);
            vUpperPanel.setOutAnimation(this, R.anim.slide_out_to_right);
            vLowerPanel.setOutAnimation(this, R.anim.slide_out_to_right);
            ivTakenPhoto.setVisibility(View.VISIBLE);
        }
    }
}

TakePhotoActivity_take_photo.java

public class TakePhotoActivity extends BaseActivity implements RevealBackgroundView.OnStateChangeListener,
        CameraHostProvider {

    //...
    
    @OnClick(R.id.btnTakePhoto)
    public void onTakePhotoClick() {
        btnTakePhoto.setEnabled(false);
        cameraView.takePicture(true, false);
        animateShutter();
    }

    private void animateShutter() {
        vShutter.setVisibility(View.VISIBLE);
        vShutter.setAlpha(0.f);

        ObjectAnimator alphaInAnim = ObjectAnimator.ofFloat(vShutter, "alpha", 0f, 0.8f);
        alphaInAnim.setDuration(100);
        alphaInAnim.setStartDelay(100);
        alphaInAnim.setInterpolator(ACCELERATE_INTERPOLATOR);

        ObjectAnimator alphaOutAnim = ObjectAnimator.ofFloat(vShutter, "alpha", 0.8f, 0f);
        alphaOutAnim.setDuration(200);
        alphaOutAnim.setInterpolator(DECELERATE_INTERPOLATOR);

        AnimatorSet animatorSet = new AnimatorSet();
        animatorSet.playSequentially(alphaInAnim, alphaOutAnim);
        animatorSet.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                vShutter.setVisibility(View.GONE);
            }
        });
        animatorSet.start();
    }

    //...
}