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Removes the MediaProjection since we are recording our own app #1

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Removes the MediaProjection since we are recording our own app #1

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72 changes: 6 additions & 66 deletions app/src/main/java/com/andronblog/presentationonvirtualdisplay/MainActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -12,8 +12,6 @@
import android.media.MediaPlayer;
import android.media.MediaRecorder;
import android.media.MediaRouter;
import android.media.projection.MediaProjection;
import android.media.projection.MediaProjectionManager;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
Expand Down Expand Up @@ -57,13 +55,6 @@ public class MainActivity extends Activity {
private VirtualDisplay mVirtualDisplay;
private MediaRecorder mMediaRecorder;

private int mResultCode;
private Intent mResultData;

private MediaProjectionManager mProjectionManager;
private MediaProjection mProjection;
private MediaProjection.Callback mProjectionCallback;

private MediaPlayer mMediaPlayer;
private SurfaceView mSurfaceView;

Expand Down Expand Up @@ -92,7 +83,6 @@ protected void onCreate(Bundle savedInstanceState) {

mDisplayManager = (DisplayManager) getSystemService(Context.DISPLAY_SERVICE);
mDisplayManager.registerDisplayListener(mDisplayListener, null);
mProjectionManager = (MediaProjectionManager) getSystemService(Context.MEDIA_PROJECTION_SERVICE);
mMediaRecorder = new MediaRecorder();

mButtonCreate = (Button) findViewById(R.id.btn_create_virtual_display);
Expand Down Expand Up @@ -216,80 +206,30 @@ protected void onDestroy() {
super.onDestroy();
Log.d(TAG, "onDestroy");
mDisplayManager.unregisterDisplayListener(mDisplayListener);
if (mProjection != null) {
Log.i(TAG, "Stop media projection");
mProjection.unregisterCallback(mProjectionCallback);
mProjection.stop();
mProjection = null;
}
mMediaRecorder.release();
}

private void startScreenCapture() {
if (mProjection != null) {
// start virtual display
Log.i(TAG, "The media projection is already gotten");
createVirtualDisplay();
} else if (mResultCode != 0 && mResultData != null) {
// get media projection
Log.i(TAG, "Get media projection with the existing permission");
mProjection = getProjection();
createVirtualDisplay();
} else {
Log.i(TAG, "Request the permission for media projection");
startActivityForResult(mProjectionManager.createScreenCaptureIntent(), SCREEN_CAPTURE_PERMISSION_CODE);
}
createVirtualDisplay();
}

private void stopScreenCapture() {
destroyVirtualDisplay();
}

@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
mResultCode = resultCode;
mResultData = data;
if (requestCode != SCREEN_CAPTURE_PERMISSION_CODE) {
Toast.makeText(this, "Unknown request code: " + requestCode, Toast.LENGTH_SHORT).show();
return;
}
if (resultCode != RESULT_OK) {
Toast.makeText(this, "Screen Cast Permission Denied", Toast.LENGTH_SHORT).show();
return;
}
Log.i(TAG, "Get media projection with the new permission");
mProjection = getProjection();
createVirtualDisplay();
}

private MediaProjection getProjection() {
MediaProjection projection = mProjectionManager.getMediaProjection(mResultCode, mResultData);
// Add a callback to be informed if the projection
// will be stopped from the status bar.
mProjectionCallback = new MediaProjection.Callback() {
@Override
public void onStop() {
Log.d(TAG, "MediaProjection.Callback onStop obj:" + toString());
destroyVirtualDisplay();
mProjection = null;
}
};
projection.registerCallback(mProjectionCallback, null);
return projection;
}

private void createVirtualDisplay() {
if (mProjection != null && mVirtualDisplay == null) {
if (mVirtualDisplay == null) {
Log.d(TAG, "createVirtualDisplay WxH (px): " + mWidth + "x" + mHeight +
", dpi: " + mMetrics.densityDpi);
if (!prepareMediaRecorder(mWidth, mHeight, FRAMERATE, FILENAME)) {
Toast.makeText(this, "Can't prepare MediaRecorder", Toast.LENGTH_LONG).show();
return;
}
int flags = DisplayManager.VIRTUAL_DISPLAY_FLAG_PRESENTATION;
//flags |= DisplayManager.VIRTUAL_DISPLAY_FLAG_PUBLIC;
mVirtualDisplay = mProjection.createVirtualDisplay("MyVirtualDisplay",
mWidth, mHeight, mMetrics.densityDpi, flags, mMediaRecorder.getSurface(),
flags |= DisplayManager.VIRTUAL_DISPLAY_FLAG_OWN_CONTENT_ONLY;

mVirtualDisplay = mDisplayManager.createVirtualDisplay("MyVirtualDisplay",
mWidth, mHeight, mMetrics.densityDpi, mMediaRecorder.getSurface(), flags,
null /*Callbacks*/, null /*Handler*/);
mButtonCreate.setEnabled(false);
mButtonDestroy.setEnabled(true);
Expand Down