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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 
     17 package com.android.contacts.dialog;
     18 
     19 import android.app.AlertDialog;
     20 import android.app.Dialog;
     21 import android.app.DialogFragment;
     22 import android.app.FragmentManager;
     23 import android.content.ContentResolver;
     24 import android.content.Context;
     25 import android.content.DialogInterface;
     26 import android.content.DialogInterface.OnClickListener;
     27 import android.os.AsyncTask;
     28 import android.os.Bundle;
     29 import android.provider.ContactsContract;
     30 
     31 import com.android.contacts.R;
     32 import com.android.contacts.util.PermissionsUtil;
     33 
     34 /**
     35  * Dialog that clears the frequently contacted list after confirming with the user.
     36  */
     37 public class ClearFrequentsDialog extends DialogFragment {
     38     /** Preferred way to show this dialog */
     39     public static void show(FragmentManager fragmentManager) {
     40         ClearFrequentsDialog dialog = new ClearFrequentsDialog();
     41         dialog.show(fragmentManager, "clearFrequents");
     42     }
     43 
     44     @Override
     45     public Dialog onCreateDialog(Bundle savedInstanceState) {
     46         final Context context = getActivity().getApplicationContext();
     47         final ContentResolver resolver = getActivity().getContentResolver();
     48         final OnClickListener okListener = new OnClickListener() {
     49             @Override
     50             public void onClick(DialogInterface dialog, int which) {
     51                 if (!PermissionsUtil.hasContactsPermissions(context)) {
     52                     return;
     53                 }
     54                 final IndeterminateProgressDialog progressDialog = IndeterminateProgressDialog.show(
     55                         getFragmentManager(), getString(R.string.clearFrequentsProgress_title),
     56                         null, 500);
     57                 final AsyncTask<Void, Void, Void> task = new AsyncTask<Void, Void, Void>() {
     58                     @Override
     59                     protected Void doInBackground(Void... params) {
     60                         resolver.delete(ContactsContract.DataUsageFeedback.DELETE_USAGE_URI,
     61                                 null, null);
     62                         return null;
     63                     }
     64 
     65                     @Override
     66                     protected void onPostExecute(Void result) {
     67                         progressDialog.dismiss();
     68                     }
     69                 };
     70                 task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     71             }
     72         };
     73         return new AlertDialog.Builder(getActivity())
     74             .setTitle(R.string.clearFrequentsConfirmation_title)
     75             .setMessage(R.string.clearFrequentsConfirmation)
     76             .setNegativeButton(android.R.string.cancel, null)
     77             .setPositiveButton(android.R.string.ok, okListener)
     78             .setCancelable(true)
     79             .create();
     80     }
     81 }
     82