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      1 /*
      2  * Copyright (C) 2010 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.example.android.apis.app;
     18 
     19 import com.example.android.apis.R;
     20 
     21 import android.app.Activity;
     22 import android.app.AlertDialog;
     23 import android.app.Dialog;
     24 import android.app.DialogFragment;
     25 import android.content.DialogInterface;
     26 import android.os.Bundle;
     27 import android.util.Log;
     28 import android.view.View;
     29 import android.view.View.OnClickListener;
     30 import android.widget.Button;
     31 import android.widget.TextView;
     32 
     33 /**
     34  * Demonstrates how to show an AlertDialog that is managed by a Fragment.
     35  */
     36 public class FragmentAlertDialog extends Activity {
     37 
     38     @Override
     39     protected void onCreate(Bundle savedInstanceState) {
     40         super.onCreate(savedInstanceState);
     41         setContentView(R.layout.fragment_dialog);
     42 
     43         View tv = findViewById(R.id.text);
     44         ((TextView)tv).setText("Example of displaying an alert dialog with a DialogFragment");
     45 
     46         // Watch for button clicks.
     47         Button button = (Button)findViewById(R.id.show);
     48         button.setOnClickListener(new OnClickListener() {
     49             public void onClick(View v) {
     50                 showDialog();
     51             }
     52         });
     53     }
     54 
     55 //BEGIN_INCLUDE(activity)
     56     void showDialog() {
     57         DialogFragment newFragment = MyAlertDialogFragment.newInstance(
     58                 R.string.alert_dialog_two_buttons_title);
     59         newFragment.show(getFragmentManager(), "dialog");
     60     }
     61 
     62     public void doPositiveClick() {
     63         // Do stuff here.
     64         Log.i("FragmentAlertDialog", "Positive click!");
     65     }
     66 
     67     public void doNegativeClick() {
     68         // Do stuff here.
     69         Log.i("FragmentAlertDialog", "Negative click!");
     70     }
     71 //END_INCLUDE(activity)
     72 
     73 //BEGIN_INCLUDE(dialog)
     74     public static class MyAlertDialogFragment extends DialogFragment {
     75 
     76         public static MyAlertDialogFragment newInstance(int title) {
     77             MyAlertDialogFragment frag = new MyAlertDialogFragment();
     78             Bundle args = new Bundle();
     79             args.putInt("title", title);
     80             frag.setArguments(args);
     81             return frag;
     82         }
     83 
     84         @Override
     85         public Dialog onCreateDialog(Bundle savedInstanceState) {
     86             int title = getArguments().getInt("title");
     87 
     88             return new AlertDialog.Builder(getActivity())
     89                     .setIcon(R.drawable.alert_dialog_icon)
     90                     .setTitle(title)
     91                     .setPositiveButton(R.string.alert_dialog_ok,
     92                         new DialogInterface.OnClickListener() {
     93                             public void onClick(DialogInterface dialog, int whichButton) {
     94                                 ((FragmentAlertDialog)getActivity()).doPositiveClick();
     95                             }
     96                         }
     97                     )
     98                     .setNegativeButton(R.string.alert_dialog_cancel,
     99                         new DialogInterface.OnClickListener() {
    100                             public void onClick(DialogInterface dialog, int whichButton) {
    101                                 ((FragmentAlertDialog)getActivity()).doNegativeClick();
    102                             }
    103                         }
    104                     )
    105                     .create();
    106         }
    107     }
    108 //END_INCLUDE(dialog)
    109 }
    110