I'm trying to use a PreferenceActivity with prefs inflated from XML
and at the same time I'd like the window to blur whatever was behind
(i.e. my previous activity where I invoked the settings from.) I tried
something like this below but the background is always black (or
whatever color I select) without any blur/transparency.
Is it possible? what am I doing wrong?
public class PrefsActivity extends PreferenceActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
// Have the system blur any windows behind this one.
getWindow().setFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND,
WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
super.onCreate(savedInstanceState);
setTitle(R.string.prefs_title);
addPreferencesFromResource(R.xml.prefs);
View content = findViewById(android.R.id.content);
content.setBackgroundColor(0x7F000000);
getListView().setBackgroundColor(0x7F000000);
getListView().setCacheColorHint(0x7F000000);
}
}
R/
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