/**
* Returns a PNG-encoded screenshot of the the window region at (|windowX|, |windowY|) with the
* size |width| by |height| pixels.
*/
@CalledByNative
public byte[] grabSnapshot(int windowX, int windowY, int width, int height) {
try {
// Take a screenshot of the root activity view. This generally includes UI
// controls such as the URL bar and OS windows such as the status bar.
View rootView = mActivity.findViewById(android.R.id.content).getRootView();
Bitmap bitmap = UiUtils.generateScaledScreenshot(rootView, 0, Bitmap.Config.ARGB_8888);
if (bitmap == null) return null;
// Clip the result into the requested region.
if (windowX > 0
|| windowY > 0
|| width != bitmap.getWidth()
|| height != bitmap.getHeight()) {
Rect clip = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
clip.intersect(windowX, windowY, windowX + width, windowY + height);
bitmap = Bitmap.createBitmap(bitmap, clip.left, clip.top, clip.width(), clip.height());
}
// Compress the result into a PNG.
ByteArrayOutputStream result = new ByteArrayOutputStream();
if (!bitmap.compress(Bitmap.CompressFormat.PNG, 100, result)) return null;
bitmap.recycle();
return result.toByteArray();
} catch (OutOfMemoryError e) {
Log.e(TAG, "Out of memory while grabbing window snapshot.", e);
return null;
}
}
private void updateFromCursor() {
if (mCursor == null) {
Log.error("mCursor is null.");
return;
}
final Activity activity = getActivity();
if (activity == null) return;
if (mCursor.getCount() <= 0) { // In case the query returned no rows.
Log.error(
"SubjectViewerFragment.updateFromCursor(): The ContentProvider query returned no rows.");
UiUtils.warnAboutMissingNetwork(activity, mRootView);
return;
}
mCursor.moveToFirst(); // There should only be one anyway.
if (mRootView == null) {
Log.error("SubjectViewerFragment.updateFromCursor(): mRootView is null.");
return;
}
// This will return the actual ID if we asked for the NEXT id.
if (mCursor.getCount() > 0) {
final String itemId = mCursor.getString(COLUMN_INDEX_ID);
setItemId(itemId);
}
// TODO: Just update them.
addOrUpdateChildFragments();
}
/* */ public void onClick(DialogInterface dialog, int id) /* */ {
/* */ try
/* */ {
/* 86 */ this.val$context.startActivity(this.val$intent);
/* */ }
/* */ catch (ActivityNotFoundException e)
/* */ {
/* 90 */ UiUtils.access$100(this.val$context);
/* */ }
/* */ }
private SharePrefrenceUtil() {
sharedPreferences =
UiUtils.getContext().getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
editor = sharedPreferences.edit();
}
