Track deletion shows an infinite progressbar.

Fixes #242.

src/main/java/de/dennisguse/opentracks/DeleteAsyncTask.java

@@ -60,13 +60,6 @@ class DeleteAsyncTask extends AsyncTask<Void, Integer, Boolean> {
         }
     }
 
-    @Override
-    protected void onPreExecute() {
-        if (deleteActivity != null) {
-            deleteActivity.showProgressDialog();
-        }
-    }
-
     @Override
     protected Boolean doInBackground(Void... params) {
         ContentProviderUtils contentProviderUtils = new ContentProviderUtils(context);

src/main/java/de/dennisguse/opentracks/TrackDeleteActivity.java

@@ -17,15 +17,11 @@
 package de.dennisguse.opentracks;
 
 import android.app.Activity;
-import android.app.Dialog;
-import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
 
-import de.dennisguse.opentracks.util.DialogUtils;
-
 /**
- * An activity for delete tracks.
+ * An activity for deleting tracks.
  *
  * @author Jimmy Shih
  */
@@ -33,14 +29,14 @@ public class TrackDeleteActivity extends Activity {
 
     public static final String EXTRA_TRACK_IDS = "track_ids";
 
-    private static final int DIALOG_PROGRESS_ID = 0;
-
     private DeleteAsyncTask deleteAsyncTask;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        setContentView(R.layout.track_delete);
+
         setResult(RESULT_CANCELED);
 
         Intent intent = getIntent();
@@ -56,41 +52,20 @@ public class TrackDeleteActivity extends Activity {
         }
     }
 
+    @Override
+    protected void onStop() {
+        super.onStop();
+        deleteAsyncTask.cancel(true);
+    }
+
     @Override
     public Object onRetainNonConfigurationInstance() {
         deleteAsyncTask.setActivity(null);
         return deleteAsyncTask;
     }
 
-    @Override
-    protected Dialog onCreateDialog(int id) {
-        if (id != DIALOG_PROGRESS_ID) {
-            return null;
-        }
-        return DialogUtils.createSpinnerProgressDialog(
-                this, R.string.track_delete_progress_message, new DialogInterface.OnCancelListener() {
-                    @Override
-                    public void onCancel(DialogInterface dialog) {
-                        deleteAsyncTask.cancel(true);
-                        dialog.dismiss();
-                        finish();
-                    }
-                });
-    }
-
-    /**
-     * Invokes when the associated AsyncTask completes.
-     */
     public void onAsyncTaskCompleted() {
-        removeDialog(DIALOG_PROGRESS_ID);
         setResult(RESULT_OK);
         finish();
     }
-
-    /**
-     * Shows the progress dialog.
-     */
-    public void showProgressDialog() {
-        showDialog(DIALOG_PROGRESS_ID);
-    }
 }

src/main/java/de/dennisguse/opentracks/util/DialogUtils.java

@@ -52,17 +52,6 @@ public class DialogUtils {
                 .setTitle(titleId).create();
     }
 
-    /**
-     * Creates a spinner progress dialog.
-     *
-     * @param context          the context
-     * @param messageId        the progress message id
-     * @param onCancelListener the cancel listener
-     */
-    public static ProgressDialog createSpinnerProgressDialog(Context context, int messageId, DialogInterface.OnCancelListener onCancelListener) {
-        return createProgressDialog(true, context, messageId, onCancelListener);
-    }
-
     /**
      * Creates a horizontal progress dialog.
      *
@@ -72,27 +61,26 @@ public class DialogUtils {
      * @param formatArgs       the format arguments for the messageId
      */
     public static ProgressDialog createHorizontalProgressDialog(Context context, int messageId, DialogInterface.OnCancelListener onCancelListener, Object... formatArgs) {
-        return createProgressDialog(false, context, messageId, onCancelListener, formatArgs);
+        return createProgressDialog(context, messageId, onCancelListener, formatArgs);
     }
 
     /**
      * Creates a progress dialog.
      *
-     * @param spinner          true to use the spinner style
      * @param context          the context
      * @param messageId        the progress message id
      * @param onCancelListener the cancel listener
      * @param formatArgs       the format arguments for the message id
      */
-    private static ProgressDialog createProgressDialog(boolean spinner, final Context context, int messageId, DialogInterface.OnCancelListener onCancelListener, Object... formatArgs) {
-        final ProgressDialog progressDialog = new ProgressDialog(context, R.style.ThemeCustomNotTransparent);
+    private static ProgressDialog createProgressDialog(final Context context, int messageId, DialogInterface.OnCancelListener onCancelListener, Object... formatArgs) {
+        final ProgressDialog progressDialog = new ProgressDialog(context, R.style.ThemeCustomNotTransparentDialog);
         progressDialog.setCancelable(true);
         progressDialog.setCanceledOnTouchOutside(false);
         progressDialog.setIcon(R.drawable.ic_dialog_info_24dp);
         progressDialog.setIndeterminate(true);
         progressDialog.setMessage(context.getString(messageId, formatArgs));
         progressDialog.setOnCancelListener(onCancelListener);
-        progressDialog.setProgressStyle(spinner ? ProgressDialog.STYLE_SPINNER : ProgressDialog.STYLE_HORIZONTAL);
+        progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
         progressDialog.setTitle(R.string.generic_progress_title);
         return progressDialog;
     }