1 /* 2 * Copyright (C) 2008 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.music; 18 19 import android.app.Activity; 20 import android.database.Cursor; 21 import android.media.AudioManager; 22 import android.os.Bundle; 23 import android.os.Environment; 24 import android.os.Handler; 25 import android.os.Message; 26 import android.provider.MediaStore; 27 import android.view.Window; 28 import android.view.WindowManager; 29 30 public class ScanningProgress extends Activity { 31 private final static int CHECK = 0; 32 private Handler mHandler = new Handler() { 33 @Override 34 public void handleMessage(Message msg) { 35 if (msg.what == CHECK) { 36 String status = Environment.getExternalStorageState(); 37 if (!status.equals(Environment.MEDIA_MOUNTED)) { 38 // If the card suddenly got unmounted again, there's 39 // really no need to keep waiting for the media scanner. 40 finish(); 41 return; 42 } 43 Cursor c = MusicUtils.query(ScanningProgress.this, 44 MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, null, null, null, null); 45 if (c != null) { 46 // The external media database is now ready for querying 47 // (though it may still be in the process of being filled). 48 c.close(); 49 setResult(RESULT_OK); 50 finish(); 51 return; 52 } 53 Message next = obtainMessage(CHECK); 54 sendMessageDelayed(next, 3000); 55 } 56 } 57 }; 58 59 @Override onCreate(Bundle icicle)60 public void onCreate(Bundle icicle) { 61 super.onCreate(icicle); 62 setVolumeControlStream(AudioManager.STREAM_MUSIC); 63 64 requestWindowFeature(Window.FEATURE_NO_TITLE); 65 if (android.os.Environment.isExternalStorageRemovable()) { 66 setContentView(R.layout.scanning); 67 } else { 68 setContentView(R.layout.scanning_nosdcard); 69 } 70 getWindow().setLayout( 71 WindowManager.LayoutParams.WRAP_CONTENT, WindowManager.LayoutParams.WRAP_CONTENT); 72 setResult(RESULT_CANCELED); 73 74 Message msg = mHandler.obtainMessage(CHECK); 75 mHandler.sendMessageDelayed(msg, 1000); 76 } 77 78 @Override onDestroy()79 public void onDestroy() { 80 mHandler.removeMessages(CHECK); 81 super.onDestroy(); 82 } 83 } 84