在android中播放video
我在android中实现了一个video播放，对于android来说是全新的，这是我到目前为止收集的一些代码。
根据它应该播放video的逻辑。 不知道我哪里做错了。
package com.themetanoia.readfilefromsdc; import java.io.File; import android.app.ListActivity; import android.content.Context; import android.content.Intent; import android.graphics.PixelFormat; import android.net.Uri; import android.os.Bundle; import android.os.Environment; import android.util.Log; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.MediaController; import android.widget.TextView; import android.widget.Toast; import android.widget.VideoView; import android.widget.AdapterView.OnItemClickListener; public class ReadFileFromSDCActivity extends ListActivity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //Get the file path for external storage String a = Environment.getExternalStorageDirectory().getAbsolutePath(); final String finalPath = a+"/Videos"; //Define new file function File f=new File(finalPath); if(f.isDirectory()){ //Define arrayadapter setListAdapter(new ArrayAdapter(this, R.layout.listview,files)); //Define listview ListView listview = getListView(); listview.setTextFilterEnabled(true); //Onclick list item event listview.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView parent, View view, int position, long id) { //get selected items String selectedValue = (String) getListAdapter().getItem(position); Uri uri = Uri.parse(finalPath); MediaController mediaController = new MediaController(getBaseContext()); mediaController.setAnchorView(mVideoView); Uri video = Uri.parse(finalPath+"/"+selectedValue); mVideoView.setMediaController(mediaController); mVideoView.setVideoURI(video); mVideoView.start(); } }); } } }