@CalledByNative
public void startCapture() {
Log.d(TAG, "startCapture");
synchronized (mCaptureStateLock) {
if (mCaptureState != CaptureState.ALLOWED) {
Log.e(TAG, "startCapture() invoked without user permission.");
return;
}
}
mMediaProjection = mMediaProjectionManager.getMediaProjection(mResultCode, mResultData);
if (mMediaProjection == null) {
Log.e(TAG, "mMediaProjection is null");
return;
}
mMediaProjection.registerCallback(new MediaProjectionCallback(), null);
mThread = new HandlerThread("ScreenCapture");
mThread.start();
mBackgroundHandler = new Handler(mThread.getLooper());
// On Android M and above, YUV420 is prefered. Some Android L devices will silently
// fail with YUV420, so keep with RGBA_8888 on L.
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
mFormat = PixelFormat.RGBA_8888;
} else {
mFormat = ImageFormat.YUV_420_888;
}
maybeDoRotation();
createImageReaderWithFormat();
createVirtualDisplay();
changeCaptureStateAndNotify(CaptureState.STARTED);
}
private void shareScreen() {
mScreenSharing = true;
if (mSurface == null) {
return;
}
if (mMediaProjection == null) {
startActivityForResult(mProjectionManager.createScreenCaptureIntent(), PERMISSION_CODE);
return;
}
mVirtualDisplay = createVirtualDisplay();
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode != PERMISSION_CODE) {
Log.e(TAG, "Unknown request code: " + requestCode);
return;
}
if (resultCode != RESULT_OK) {
Toast.makeText(this, "User denied screen sharing permission", Toast.LENGTH_SHORT).show();
return;
}
mMediaProjection = mProjectionManager.getMediaProjection(resultCode, data);
mMediaProjection.registerCallback(new MediaProjectionCallback(), null);
mVirtualDisplay = createVirtualDisplay();
}
// region Media Projection
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_CODE) {
mMediaProjection = mProjectionManager.getMediaProjection(resultCode, data);
if (mMediaProjection != null) {
store_directory =
Environment.getExternalStorageDirectory().getAbsolutePath() + "/MediaProjection/";
File storeDirectory = new File(store_directory);
if (!storeDirectory.exists()) {
storeDirectory.mkdirs();
if (!storeDirectory.isDirectory()) {
Log.e(TAG, "failed to create file storage directory.");
return;
}
}
DisplayMetrics metrics = getResources().getDisplayMetrics();
int density = metrics.densityDpi;
int flags =
DisplayManager.VIRTUAL_DISPLAY_FLAG_AUTO_MIRROR
| DisplayManager
.VIRTUAL_DISPLAY_FLAG_PUBLIC; // DisplayManager.VIRTUAL_DISPLAY_FLAG_OWN_CONTENT_ONLY | DisplayManager.VIRTUAL_DISPLAY_FLAG_PUBLIC;
Display display = getWindowManager().getDefaultDisplay();
Point size = new Point();
display.getSize(size);
mWidth = size.x;
mHeight = size.y;
mImageReader =
ImageReader.newInstance(mWidth, mHeight, PixelFormat.RGBA_8888 /*ImageFormat.JPEG*/, 2);
mImageReader.setOnImageAvailableListener(new TestImageAvailableListener(), null);
mVirtualDisplay =
mMediaProjection.createVirtualDisplay(
"screencap",
mWidth,
mHeight,
density,
flags,
mImageReader.getSurface(),
mVirtualDisplayCallback,
null);
}
}
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void takeScreenShot() {
// call for the projection manager
mProjectionManager =
(MediaProjectionManager)
trainingActivity.getSystemService(Context.MEDIA_PROJECTION_SERVICE);
// start capture handling thread
new Thread() {
@Override
public void run() {
Looper.prepare();
mImageHandler = new Handler();
Looper.loop();
}
}.start();
trainingActivity.startActivityForResult(
mProjectionManager.createScreenCaptureIntent(), TrainingActivity.IMAGE_REQUEST_CODE);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_CODE) {
mediaProjection = projectionManager.getMediaProjection(resultCode, data);
if (mediaProjection != null) {
projectionStarted = true;
// Initialize the media projection
DisplayMetrics metrics = getResources().getDisplayMetrics();
int density = metrics.densityDpi;
int flags =
DisplayManager.VIRTUAL_DISPLAY_FLAG_OWN_CONTENT_ONLY
| DisplayManager.VIRTUAL_DISPLAY_FLAG_PUBLIC;
Display display = getWindowManager().getDefaultDisplay();
Point size = new Point();
display.getSize(size);
displayWidth = size.x;
displayHeight = size.y;
imageReader =
ImageReader.newInstance(displayWidth, displayHeight, PixelFormat.RGBA_8888, 2);
mediaProjection.createVirtualDisplay(
"screencap",
displayWidth,
displayHeight,
density,
flags,
imageReader.getSurface(),
null,
handler);
imageReader.setOnImageAvailableListener(new ImageAvailableListener(), handler);
}
}
}
@CalledByNative
public boolean startPrompt() {
Log.d(TAG, "startPrompt");
Activity activity = ApplicationStatus.getLastTrackedFocusedActivity();
if (activity == null) {
Log.e(TAG, "activity is null");
return false;
}
FragmentManager fragmentManager = activity.getFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.add(this, "screencapture");
try {
fragmentTransaction.commit();
} catch (RuntimeException e) {
Log.e(TAG, "ScreenCaptureExcaption " + e);
return false;
}
synchronized (mCaptureStateLock) {
while (mCaptureState != CaptureState.ATTACHED) {
try {
mCaptureStateLock.wait();
} catch (InterruptedException ex) {
Log.e(TAG, "ScreenCaptureException: " + ex);
}
}
}
try {
startActivityForResult(
mMediaProjectionManager.createScreenCaptureIntent(), REQUEST_MEDIA_PROJECTION);
} catch (android.content.ActivityNotFoundException e) {
Log.e(TAG, "ScreenCaptureException " + e);
return false;
}
return true;
}
private void startProjection() {
startActivityForResult(mProjectionManager.createScreenCaptureIntent(), REQUEST_CODE);
}
