Screenshot der eigenen Activity.

1View v1 = findViewById(android.R.id.content); //android.R.id.content is the rootview
2v1.post(new Runnable() { // v1.post(): after drawing is finished
3 @Override
4 public void run() { // this runs on the UI Thread
5 View v1 = findViewById(android.R.id.content);
6 v1.setDrawingCacheEnabled(true);
7 Bitmap bmp = v1.getDrawingCache();
8 saveScreen(bmp);
9 }// end-run
10});

1public void saveScreen(Bitmap bmp) {
2 String path = Environment.getExternalStorageDirectory().toString();
3 OutputStream fOut = null;
4 File file = new File(path, "/DCIM/pic.jpg");
5 try {
6 fOut = new FileOutputStream(file);
7 bmp.compress(Bitmap.CompressFormat.JPEG, 85, fOut);
8 fOut.flush();
9 fOut.close();
10 } catch (IOException e) {
11 e.printStackTrace();
12 }
13}