Graphics - Screenshot

}

private void openScreenshot(java.io.File imageFile) {
Intent intent = new Intent();
intent.setAction(Intent.ACTION_VIEW);
Uri uri = Uri.fromFile(imageFile);
intent.setDataAndType(uri, "image/*");
startActivity(intent);
}

private void takeScreenshot() {
Date now = new Date();
android.text.format.DateFormat.format("yyyy-MM-dd_hh:mm:ss", now);
try {
String mPath = Environment.getExternalStorageDirectory().toString() + "/" + now + ".jpg";
View v1 = getWindow().getDecorView().getRootView();
v1.setDrawingCacheEnabled(true);
Bitmap bitmap = Bitmap.createBitmap(v1.getDrawingCache());
v1.setDrawingCacheEnabled(false);
java.io.File imageFile = new java.io.File(mPath);
java.io.FileOutputStream outputStream = new java.io.FileOutputStream(imageFile);
int quality = 100;
bitmap.compress(Bitmap.CompressFormat.JPEG, quality, outputStream);
outputStream.flush();
outputStream.close();
openScreenshot(imageFile);
} catch (Throwable e) {
e.printStackTrace();
}

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

/*
If you want to use this on fragment view then use:
View v1 = getActivity().getWindow().getDecorView().getRootView();
//getActivity are Your activity example: (this).getWindow()
instead of
View v1 = getWindow().getDecorView().getRootView();
*/

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