I found that if I implement onSharedPreferenceChangeListener, findViewById
works inside the implemented method. Why is this?
public class SettingsActivity extends Activity implements SharedPreferences.
OnSharedPreferenceChangeListener{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Display the fragment as the main content.
getFragmentManager().beginTransaction()
.replace(android.R.id.content, new SettingsFragment( this ))
.commit();
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences
( this );
sp.registerOnSharedPreferenceChangeListener( this );
}
@Override
public void onSharedPreferenceChanged(SharedPreferences
sharedPreferences, String key) {
if ( key.equals( "pref_catalogEdition" ) ) {
ProgressBar bar = ( ProgressBar ) findViewById(
R.id.catalogLoadProgressBar
);
bar.setVisibility(View.VISIBLE ); // WORKS!
}
}
}
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