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      1 /*
      2  * Copyright (C) 2007 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.ListActivity;
     20 import android.content.ContentResolver;
     21 import android.content.ContentUris;
     22 import android.content.Intent;
     23 import android.database.Cursor;
     24 import android.media.AudioManager;
     25 import android.os.Bundle;
     26 import android.provider.MediaStore;
     27 import android.view.View;
     28 import android.widget.ListView;
     29 import android.widget.SimpleCursorAdapter;
     30 
     31 import java.lang.Integer;
     32 
     33 public class VideoBrowserActivity extends ListActivity implements MusicUtils.Defs
     34 {
     35     public VideoBrowserActivity()
     36     {
     37     }
     38 
     39     /** Called when the activity is first created. */
     40     @Override
     41     public void onCreate(Bundle icicle)
     42     {
     43         super.onCreate(icicle);
     44         setVolumeControlStream(AudioManager.STREAM_MUSIC);
     45         init();
     46     }
     47 
     48     public void init() {
     49 
     50         // Set the layout for this activity.  You can find it
     51         // in assets/res/any/layout/media_picker_activity.xml
     52         setContentView(R.layout.media_picker_activity);
     53 
     54         MakeCursor();
     55 
     56         if (mCursor == null) {
     57             MusicUtils.displayDatabaseError(this);
     58             return;
     59         }
     60 
     61         if (mCursor.getCount() > 0) {
     62             setTitle(R.string.videos_title);
     63         } else {
     64             setTitle(R.string.no_videos_title);
     65         }
     66 
     67         // Map Cursor columns to views defined in media_list_item.xml
     68         SimpleCursorAdapter adapter = new SimpleCursorAdapter(
     69                 this,
     70                 android.R.layout.simple_list_item_1,
     71                 mCursor,
     72                 new String[] { MediaStore.Video.Media.TITLE},
     73                 new int[] { android.R.id.text1 });
     74 
     75         setListAdapter(adapter);
     76     }
     77 
     78     @Override
     79     protected void onListItemClick(ListView l, View v, int position, long id)
     80     {
     81         Intent intent = new Intent(Intent.ACTION_VIEW);
     82         mCursor.moveToPosition(position);
     83         String type = mCursor.getString(mCursor.getColumnIndexOrThrow(MediaStore.Video.Media.MIME_TYPE));
     84         intent.setDataAndType(ContentUris.withAppendedId(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, id), type);
     85 
     86         startActivity(intent);
     87     }
     88 
     89     private void MakeCursor() {
     90         String[] cols = new String[] {
     91                 MediaStore.Video.Media._ID,
     92                 MediaStore.Video.Media.TITLE,
     93                 MediaStore.Video.Media.DATA,
     94                 MediaStore.Video.Media.MIME_TYPE,
     95                 MediaStore.Video.Media.ARTIST
     96         };
     97         ContentResolver resolver = getContentResolver();
     98         if (resolver == null) {
     99             System.out.println("resolver = null");
    100         } else {
    101             mSortOrder = MediaStore.Video.Media.TITLE + " COLLATE UNICODE";
    102             mWhereClause = MediaStore.Video.Media.TITLE + " != ''";
    103             mCursor = resolver.query(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
    104                 cols, mWhereClause , null, mSortOrder);
    105         }
    106     }
    107 
    108     @Override
    109     public void onDestroy() {
    110         if (mCursor != null) {
    111             mCursor.close();
    112         }
    113         super.onDestroy();
    114     }
    115 
    116     private Cursor mCursor;
    117     private String mWhereClause;
    118     private String mSortOrder;
    119 }
    120 
    121