1 /* 2 * Copyright (C) 2007 Google Inc. 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.internal.app; 18 19 import android.app.AlertDialog; 20 import android.content.BroadcastReceiver; 21 import android.content.Context; 22 import android.content.DialogInterface; 23 import android.content.Intent; 24 import android.content.IntentFilter; 25 import android.os.Bundle; 26 import android.os.Handler; 27 import android.os.IMountService; 28 import android.os.Message; 29 import android.os.RemoteException; 30 import android.os.ServiceManager; 31 import android.os.Environment; 32 import android.widget.Toast; 33 import android.util.Log; 34 35 /** 36 * This activity is shown to the user to confirm formatting of external media. 37 * It uses the alert dialog style. It will be launched from a notification, or from settings 38 */ 39 public class ExternalMediaFormatActivity extends AlertActivity implements DialogInterface.OnClickListener { 40 41 private static final int POSITIVE_BUTTON = AlertDialog.BUTTON1; 42 43 /** Used to detect when the media state changes, in case we need to call finish() */ 44 private BroadcastReceiver mStorageReceiver = new BroadcastReceiver() { 45 @Override 46 public void onReceive(Context context, Intent intent) { 47 String action = intent.getAction(); 48 Log.d("ExternalMediaFormatActivity", "got action " + action); 49 50 if (action == Intent.ACTION_MEDIA_REMOVED || 51 action == Intent.ACTION_MEDIA_CHECKING || 52 action == Intent.ACTION_MEDIA_MOUNTED || 53 action == Intent.ACTION_MEDIA_SHARED) { 54 finish(); 55 } 56 } 57 }; 58 59 @Override onCreate(Bundle savedInstanceState)60 protected void onCreate(Bundle savedInstanceState) { 61 super.onCreate(savedInstanceState); 62 63 Log.d("ExternalMediaFormatActivity", "onCreate!"); 64 // Set up the "dialog" 65 final AlertController.AlertParams p = mAlertParams; 66 p.mIconId = com.android.internal.R.drawable.stat_sys_warning; 67 p.mTitle = getString(com.android.internal.R.string.extmedia_format_title); 68 p.mMessage = getString(com.android.internal.R.string.extmedia_format_message); 69 p.mPositiveButtonText = getString(com.android.internal.R.string.extmedia_format_button_format); 70 p.mPositiveButtonListener = this; 71 p.mNegativeButtonText = getString(com.android.internal.R.string.cancel); 72 p.mNegativeButtonListener = this; 73 setupAlert(); 74 } 75 76 @Override onResume()77 protected void onResume() { 78 super.onResume(); 79 80 IntentFilter filter = new IntentFilter(); 81 filter.addAction(Intent.ACTION_MEDIA_REMOVED); 82 filter.addAction(Intent.ACTION_MEDIA_CHECKING); 83 filter.addAction(Intent.ACTION_MEDIA_MOUNTED); 84 filter.addAction(Intent.ACTION_MEDIA_SHARED); 85 registerReceiver(mStorageReceiver, filter); 86 } 87 88 @Override onPause()89 protected void onPause() { 90 super.onPause(); 91 92 unregisterReceiver(mStorageReceiver); 93 } 94 95 /** 96 * {@inheritDoc} 97 */ onClick(DialogInterface dialog, int which)98 public void onClick(DialogInterface dialog, int which) { 99 100 if (which == POSITIVE_BUTTON) { 101 IMountService mountService = IMountService.Stub.asInterface(ServiceManager 102 .getService("mount")); 103 if (mountService != null) { 104 try { 105 mountService.formatMedia(Environment.getExternalStorageDirectory().toString()); 106 } catch (RemoteException e) { 107 } 108 } 109 } 110 111 // No matter what, finish the activity 112 finish(); 113 } 114 } 115