0804032048-樊瑾-毕业论文 - 图文

合肥学院计算机科学与技术系毕业论文

}

menu.add(0, 3, 3, \关于\return true;

@Override

public boolean onMenuItemSelected(int featureId, MenuItem item) { } /**

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if (featureId == 0) { } return true;

if (item.getItemId() == 1) { }

switch (item.getItemId()) { // menu_ryxx_store_group case R.id.menu_delete: }

break;

myDialog = ProgressDialog.show(MovieListActivity.this, \进度\

\正在刷新列表...\

// 清空列表

movieListData.clear(); // 获取视频文件 scanSdCard(); getVideoSD(); // 刷新列表 refreashmovielist();

Toast.makeText(MovieListActivity.this, \已更新\

Toast.LENGTH_SHORT).show();

} else if (item.getItemId() == 2) {

if (MusicPlayer.mediaPlayer.isPlaying()) { } else { }

Toast.makeText(MovieListActivity.this, \制造\

Toast.LENGTH_SHORT).show();

} else {

} else {

合肥学院计算机科学与技术系毕业论文

* 创建onCreateContextMemu */ @Override

public void onCreateContextMenu(ContextMenu menu, View v, } /**

* 更新、显示列表 */

public void refreashmovielist() { } /**

* 检索sd卡所有文件中的mp3文件 * */

public void getVideoSD() {

Cursor VudioCursor = getContentResolver().query(

MediaStore.Video.Media.EXTERNAL_CONTENT_URI, null, null, // null, // 条件的对应?的参数

MediaStore.Video.VideoColumns.TITLE// 排序方式 );

SimpleAdapter listViewAdapter = new SimpleAdapter(

getApplicationContext(), movieListData,

R.layout.music_list_item, new String[] { \new int[] { R.id.text1 });

}

ContextMenuInfo menuInfo) { // TODO Auto-generated method stub System.out.println(\

menu.setHeaderTitle(movieListData.get(longitem).get(\

.toString());

MenuInflater menuInflater = new MenuInflater(this); menuInflater.inflate(R.menu.listmenu, menu); if (v == movielistView) {

movielistView.invalidate();

movielistView.setAdapter(listViewAdapter);

查询条件

for (int i = 0; i < VudioCursor.getCount(); i++) {

VudioCursor.moveToNext();

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合肥学院计算机科学与技术系毕业论文

} /** *

}

int videoTitle = VudioCursor

.getColumnIndex(MediaStore.Video.VideoColumns.TITLE);

// 歌曲路径

int indexPath = VudioCursor

.getColumnIndex(MediaStore.Video.VideoColumns.DATA);

// 大小

int indexsize = VudioCursor

.getColumnIndex(MediaStore.Video.VideoColumns.SIZE);

String strTitle = VudioCursor.getString(videoTitle); String strpath = VudioCursor.getString(indexPath); String strSize = VudioCursor.getString(indexsize);

HashMap nowMap = new HashMap(); nowMap.put(\nowMap.put(\nowMap.put(\movieListData.add(nowMap);

System.out.println(strTitle + \ \

* 调用系统api扫描sd卡 */

private void scanSdCard() { } /**

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IntentFilter intentFilter = new IntentFilter(

Intent.ACTION_MEDIA_SCANNER_STARTED);

intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED); intentFilter.addDataScheme(\scanReceiver = new ScanSdFilesReceiver(); registerReceiver(scanReceiver, intentFilter);

sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED,

Uri.parse(\

+ Environment.getExternalStorageDirectory()

.getAbsolutePath())));

合肥学院计算机科学与技术系毕业论文

}

*

* @author stayzhang 注册扫描开始/完成的广播 */

private class ScanSdFilesReceiver extends BroadcastReceiver { }

public void onReceive(Context context, Intent intent) { }

String action = intent.getAction();

if (Intent.ACTION_MEDIA_SCANNER_STARTED.equals(action)) { }

if (Intent.ACTION_MEDIA_SCANNER_FINISHED.equals(action)) { }

// 当系统扫描完毕时，停止显示等待框，并重新查询ContentProvider System.out.println(\// scanHandler.sendEmptyMessage(FINISHED); movieListData.clear(); // 获取歌曲 getVideoSD(); // 刷新列表 refreashmovielist(); myDialog.dismiss();

// 当系统开始扫描sd卡时，为了用户体验，可以加上一个等待框 System.out.println(\// scanHandler.sendEmptyMessage(STARTED);

package com.zoom;

import android.app.Activity; import android.content.Intent; import android.os.Bundle;

import android.widget.MediaController; import android.widget.VideoView;

public class MoviePlayer extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

// TODO Auto-generated method stub

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合肥学院计算机科学与技术系毕业论文

}

}

super.onCreate(savedInstanceState); this.setContentView(R.layout.movieplayer);

VideoView vv = (VideoView) findViewById(R.id.videoView); // vv=new VideoView(this);

MediaController mc = new MediaController(this); vv.setMediaController(mc); Intent intent = getIntent();

vv.setVideoPath(intent.getStringExtra(\vv.requestFocus(); vv.start();

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