@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (DEBUG) Log.v(TAG, "onCreate:");
setContentView(R.layout.activity_main);
mCameraButton = (ToggleButton) findViewById(R.id.camera_button);
mCameraButton.setOnClickListener(mOnClickListener);
mCaptureButton = (ImageButton) findViewById(R.id.capture_button);
mCaptureButton.setOnClickListener(mOnClickListener);
mCaptureButton.setVisibility(View.INVISIBLE);
mUVCCameraViewL = (UVCCameraTextureView) findViewById(R.id.camera_view_L);
mUVCCameraViewL.setAspectRatio(
UVCCamera.DEFAULT_PREVIEW_WIDTH / (float) UVCCamera.DEFAULT_PREVIEW_HEIGHT);
mUVCCameraViewL.setSurfaceTextureListener(mSurfaceTextureListener);
mUVCCameraViewL.setOnLongClickListener(mOnLongClickListener);
mUVCCameraViewR = (UVCCameraTextureView) findViewById(R.id.camera_view_R);
mUVCCameraViewR.setAspectRatio(
UVCCamera.DEFAULT_PREVIEW_WIDTH / (float) UVCCamera.DEFAULT_PREVIEW_HEIGHT);
mUVCCameraViewR.setSurfaceTextureListener(mSurfaceTextureListener);
mUVCCameraViewR.setOnLongClickListener(mOnLongClickListener);
mUSBMonitor = new USBMonitor(this, mOnDeviceConnectListener);
mHandler = UVCCameraHandler.createHandler(this);
}
@Override
public void onConnect(
final UsbDevice device, final UsbControlBlock ctrlBlock, final boolean createNew) {
if (DEBUG) Log.v(TAG, "onConnect:");
mHandler.open(ctrlBlock);
startPreview();
}
private void startPreview() {
mHandler.startPreview();
runOnUiThread(
new Runnable() {
@Override
public void run() {
mCaptureButton.setVisibility(View.VISIBLE);
}
});
}
@Override
public void onPause() {
if (DEBUG) Log.v(TAG, "onPause:");
// mHandler.stopRecording();
// mHandler.stopPreview();
mHandler.close(); // #close include #stopRecording and #stopPreview
mCameraButton.setChecked(false);
mCaptureButton.setVisibility(View.INVISIBLE);
mUSBMonitor.unregister();
super.onPause();
}
@Override
public boolean onLongClick(final View view) {
switch (view.getId()) {
case R.id.camera_view_L:
case R.id.camera_view_R:
if (mHandler.isOpened()) {
final File outputFile =
MediaMuxerWrapper.getCaptureFile(Environment.DIRECTORY_DCIM, ".png");
mHandler.captureStill(outputFile.toString());
try {
if (DEBUG) Log.i(TAG, "MediaScannerConnection#scanFile");
MediaScannerConnection.scanFile(
getApplicationContext(), new String[] {outputFile.toString()}, null, null);
} catch (final Exception e) {
Log.e(TAG, "MediaScannerConnection#scanFile:", e);
}
return true;
}
}
return false;
}
@Override
public void onDestroy() {
if (DEBUG) Log.v(TAG, "onDestroy:");
if (mHandler != null) {
mHandler.release();
mHandler = null;
}
if (mUSBMonitor != null) {
mUSBMonitor.destroy();
mUSBMonitor = null;
}
mUVCCameraViewL = null;
mUVCCameraViewR = null;
mCameraButton = null;
mCaptureButton = null;
super.onDestroy();
}
@Override
public void onDisconnect(final UsbDevice device, final UsbControlBlock ctrlBlock) {
if (DEBUG) Log.v(TAG, "onDisconnect:");
if (mHandler != null) {
mHandler.close();
runOnUiThread(
new Runnable() {
@Override
public void run() {
if (!isFinishing())
try {
mCaptureButton.setVisibility(View.INVISIBLE);
mCameraButton.setChecked(false);
} catch (final Exception e) {
}
}
});
}
}
@Override
public void onClick(final View view) {
switch (view.getId()) {
case R.id.camera_button:
if (!mHandler.isOpened()) {
CameraDialog.showDialog(MainActivity.this);
} else {
mHandler.close();
mCaptureButton.setVisibility(View.INVISIBLE);
}
break;
case R.id.capture_button:
if (mHandler.isOpened()) {
if (!mHandler.isRecording()) {
mCaptureButton.setColorFilter(0xffff0000); // turn red
mHandler.startRecording();
} else {
mCaptureButton.setColorFilter(0); // return to default color
mHandler.stopRecording();
}
}
break;
}
}
@Override
public boolean onSurfaceTextureDestroyed(final SurfaceTexture surface) {
mHandler.removeSurface(surface.hashCode());
return true;
}
@Override
public void onSurfaceTextureAvailable(
final SurfaceTexture surface, final int width, final int height) {
final Surface _surface = new Surface(surface);
mHandler.addSurface(surface.hashCode(), _surface, false, null);
}
