Use adb and logcat to find out the cause of the problem and then fix it. Thanks, Justin Anderson MagouyaWare Developer http://sites.google.com/site/magouyaware
On Mon, Apr 9, 2012 at 2:59 AM, Tom <[email protected]> wrote: > Hello, > > I've implemented an example of showDialog in my SourceCode. This works > normally really good. But my problem is, if you press the Back-Button > during the Progressbar dialog is showing. > The App crashes. If I write a Log in the Handler method ( "final > Handler handler = new Handler() ") I see the the App is finished but > the handler method still in a loop. > Does someone has a tip or a example what I can do? > > Cheers > > Tom > > import android.app.AlertDialog; > import android.app.Dialog; > import android.app.ProgressDialog; > import android.content.Intent; > import android.content.SharedPreferences; > import android.database.Cursor; > import android.graphics.Bitmap; > import android.graphics.BitmapFactory; > import android.graphics.Canvas; > import android.graphics.Paint; > import android.graphics.Paint.Style; > import android.graphics.Point; > import android.graphics.RectF; > import android.location.Location; > import android.location.LocationListener; > import android.net.Uri; > import android.os.Bundle; > import android.os.Handler; > import android.os.Message; > import android.preference.PreferenceManager; > import android.util.Log; > import android.view.KeyEvent; > import android.view.Menu; > import android.view.MenuItem; > import android.view.Window; > import android.widget.Toast; > > import com.google.android.maps.GeoPoint; > import com.google.android.maps.MapActivity; > import com.google.android.maps.MapController; > import com.google.android.maps.MapView; > import com.google.android.maps.MyLocationOverlay; > import com.google.android.maps.Overlay; > > import de.tektom.geoformel.common.ProgressbarThread; > > > > /** > * Zeigt Google Maps in einer MapActivity an. > * <p> > * Im Emulator zum Beispiel die Koordinaten mit <br> > * geo fix 7.1 51 300 <br> > * setzen um etwas zu sehen. > * > * @author David Müller, Arno Becker, 2010 visionera gmbh > */ > public class KarteAnzeigenActivity extends MapActivity implements > LocationListener { > private MapController map_Controller; > private MapView map_View; > private MyLocationOverlay mMyLocationOverlay ; > private GeoKontaktOverlay mMapViewOverlay; > private ProgressbarThread progThread; > private ProgressDialog progDialog; > > private float mlatitude; > private float mlongitude; > /** Kuerzel fuers Logging. */ > private static final String TAG = > KarteAnzeigenActivity.class.getSimpleName(); > > > @Override > public void onCreate(Bundle savedInstanceState) { > try > { > requestWindowFeature(Window.FEATURE_LEFT_ICON); > super.onCreate(savedInstanceState); > setContentView(R.layout.mapkarte); > > setFeatureDrawableResource(Window.FEATURE_LEFT_ICON,R.drawable.icon); > > showDialog(0); > > if(getIntent().hasExtra("latitude") == > true) > mlatitude = > getIntent().getExtras().getFloat("latitude"); > if(getIntent().hasExtra("longitude") == > true) > mlongitude = > getIntent().getExtras().getFloat("longitude"); > > > initMapView(); > > // fuege der MapView das Overlay fuer die > // empfangene Position hinzu > initGCFormelOverlay(); > > // Zeige die eigene Position mit Hilfe > // des Overlays aus der Google Api > initMyLocationOverlay(); > // create an overlay that shows our current > location > > } > catch (Exception ex) > { > Log.i(TAG, ex.getMessage()); > Toast.makeText(this,"UI problem in " + TAG + "-" + > ex.getMessage(),Toast.LENGTH_LONG).show(); > > } > } > > public void onLocationChanged(Location location) { > mlatitude = (int) (location.getLatitude()); > mlongitude = (int) (location.getLongitude()); > } > > public void onStatusChanged(String provider, int status, > Bundle > extras) { > // TODO Auto-generated method stub > > } > > public void onProviderEnabled(String provider) { > Toast.makeText(this, "Enabled new provider " + > provider, > Toast.LENGTH_SHORT).show(); > } > > public void onProviderDisabled(String provider) { > Toast.makeText(this, "Disenabled provider " + > provider, > Toast.LENGTH_SHORT).show(); > } > > > > @Override > protected boolean isLocationDisplayed() { > return super.isLocationDisplayed(); > } > > @Override > protected boolean isRouteDisplayed() { > return false; > } > > @Override > protected void onPause() { > // TODO Auto-generated method stub > mMyLocationOverlay.disableMyLocation(); > mMyLocationOverlay.disableCompass(); > super.onPause(); > } > > > > @Override > protected void onResume() { > mMyLocationOverlay.enableMyLocation(); > mMyLocationOverlay.enableCompass(); > > map_View.invalidate(); > > super.onResume(); > } > > > > @Override > protected void onDestroy() { > Log.d(TAG, "onDestroy() aufgerufen..."); > > super.onDestroy(); > } > > > > > // Method to create a progress bar dialog of either spinner or > horizontal type > @Override > protected Dialog onCreateDialog(int id) { > switch(id) { > case 0: // Spinner > progDialog = new ProgressDialog(this); > > progDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER); > progDialog.setMessage("Loading..."); > progDialog.setIndeterminate(true); > progDialog.setCancelable(true); > progThread = new ProgressbarThread(handler); > > progThread.start(); > return progDialog; > default: > return null; > } > } > > // Handler on the main (UI) thread that will receive messages > from the > // second thread and update the progress. > > final Handler handler = new Handler() { > public void handleMessage(Message msg) { > try > { > Log.w(TAG, "Handler still activ"); > // Get the current value of the variable total from the > message data > // and update the progress bar. > int total = msg.getData().getInt("total"); > progDialog.setProgress(total); > if (total <= 0){ > dismissDialog(0); > progThread.setState(ProgressbarThread.DONE); > } > } > catch(Exception ex) > { > > } > } > > }; > public boolean onKeyDown(int keyCode, KeyEvent event) > { > if (keyCode == KeyEvent.KEYCODE_BACK && > progDialog.isShowing()) > { > // DO SOMETHING > dismissDialog(0); > } > > // Call super code so we dont limit default interaction > super.onKeyDown(keyCode, event); > > return true; > } > } > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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