这是我的代码。
public class MainActivity extends Activity {
ListView listview;
CustomListAdapter adapter;
private static ProgressDialog progressDialog;
public static int currentItem;
public static ArrayList<String> videoLIst;
public static MediaController mediaController ;
boolean pauseOnScroll = true;
boolean pauseOnFling = true;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_view);
System.gc();
StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder().detectDiskReads().detectDiskWrites().detectNetwork().penaltyLog().build());
videoLIst = new ArrayList<String>();
mediaController = new MediaController(MainActivity.this);
videoLIst.add("http://journey.coderspreview.com/uploads/Home_Video/mov_bbb.mp4");
videoLIst.add("http://journey.coderspreview.com/uploads/experience/165/video/father-and-young-daughter.mp4");
videoLIst.add("http://journey.coderspreview.com/uploads/experience/185/video/couple-on-sail-boat.mp4");
videoLIst.add("http://journey.coderspreview.com/uploads/experience/39/video/VID-20141231-WA0006.mp4");
videoLIst.add("http://journey.coderspreview.com/uploads/experience/26/video/VID-20141216-WA0004.mp4");
listview = (ListView) findViewById(R.id.list);
listview.setFastScrollEnabled(true);
listview.setAdapter(new CustomListAdapter(this, videoLIst));
listview.setScrollingCacheEnabled(false);
listview.setRecyclerListener(new RecyclerListener() {
@Override
public void onMovedToScrapHeap(View view) {
VideoView videoView = (VideoView)view.findViewById(R.id.VideoView);
}
});
listview.setOnScrollListener(new AbsListView.OnScrollListener() {
private int mFirstVisibleRow = -1;
private int mActiveItem = -1;
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
VideoView videoView = (VideoView)view.findViewById(R.id.VideoView);
if (scrollState == AbsListView.OnScrollListener.SCROLL_STATE_FLING) {
videoView.destroyDrawingCache();
} else {
videoView.buildDrawingCache();
}
}
@Override
public void onScroll(AbsListView view, int firstVisibleItem,
int visibleItemCount, int totalItemCount) {
int firstVisibleRow = listview.getFirstVisiblePosition();
int lastvisiblerow =listview.getLastVisiblePosition();
if( mFirstVisibleRow != firstVisibleRow )
{
mFirstVisibleRow = firstVisibleRow;
// Cancel the video of the previous active item
VideoView prevActiveVideoView = getVideoViewForRow(mActiveItem);
if( prevActiveVideoView != null )
{
prevActiveVideoView.pause();
prevActiveVideoView.clearAnimation();
// prevActiveVideoView.destroyDrawingCache();
}
// Start the video of the new active item
mActiveItem = mFirstVisibleRow + 1;
VideoView newActiveVideoView = getVideoViewForRow(mActiveItem);
if(newActiveVideoView != null)
{
newActiveVideoView.start();
// newActiveVideoView.buildDrawingCache();
}
}
VideoView lastVideoView = getVideoViewForRow(lastvisiblerow);
if(lastVideoView != null)
{
lastVideoView.pause();
}
}
private VideoView getVideoViewForRow(int row)
{
int firstVisibleRow = listview.getFirstVisiblePosition();
View rowView = listview.getChildAt(row-firstVisibleRow);
return (rowView == null) ? null : (VideoView)rowView.findViewById(R.id.VideoView);
}
});
}
static class ViewHolderItem {
TextView textViewItem;
VideoView video;
ProgressBar progressbar;
}
public class CustomListAdapter extends BaseAdapter {
private Activity activity;
private LayoutInflater inflater;
private ArrayList<String> videoList;
public CustomListAdapter(Activity activity, ArrayList<String> videoList) {
this.activity = activity;
this.videoList = videoList;
}
@Override
public int getCount() {
return videoList.size();
}
@Override
public Object getItem(int location) {
return videoList.get(location);
}
@Override
public long getItemId(int position) {
return position;
}
@SuppressLint("NewApi")
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
Log.d("in getview method:",""+position);
final ViewHolderItem viewHolder;
if (convertView == null){
inflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = inflater.inflate(R.layout.video_list_item, null);
viewHolder = new ViewHolderItem();
viewHolder.video = (VideoView)convertView.findViewById(R.id.VideoView);
viewHolder.progressbar = (ProgressBar)convertView.findViewById(R.id.progress);
viewHolder.textViewItem =(TextView)convertView.findViewById(R.id.txvposition);
int pos;
pos=viewHolder.video.getCurrentPosition();
Log.d("current item position:",""+pos);
convertView.setTag(viewHolder);
}else{
viewHolder = (ViewHolderItem) convertView.getTag();
}
viewHolder.textViewItem.setText("Video"+position);
// mediaController.setAnchorView(viewHolder.video);
Log.d("video url inadapter:", ""+videoLIst.toString());
Uri uri = Uri.parse(videoList.get(position));
// viewHolder.video.setMediaController(mediaController);
// viewHolder.video.setVideoURI(uri);
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
// viewHolder.video.setVisibility(View.GONE);
// viewHolder.video.setVisibility(View.VISIBLE);
viewHolder.video.setVideoURI(Uri.parse(videoList.get(position)));
viewHolder.video.setBackgroundColor(Color.TRANSPARENT);
}
}, 100);
//viewHolder.video.start();
viewHolder.video.setOnPreparedListener(new OnPreparedListener() {
public void onPrepared(final MediaPlayer arg0) {
viewHolder.progressbar.setVisibility(View.GONE);
viewHolder.video.start();
viewHolder.video.setBackgroundResource(0);
}
});
viewHolder.video.setOnInfoListener(new OnInfoListener() {
@Override
public boolean onInfo(final MediaPlayer mp, final int what, int extra) {
// TODO Auto-generated method stub
Log.d("BUFFRRING START", "On_InFO");
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
if (MediaPlayer.MEDIA_INFO_BUFFERING_START == what) {
viewHolder.progressbar.setVisibility(View.VISIBLE);
Log.d("BUFFRRING START", "" + what);
}
if (MediaPlayer.MEDIA_INFO_BUFFERING_END == what) {
viewHolder.progressbar.setVisibility(View.GONE);
Log.d("BUFFRRING END", "" + what);
}
if (MediaPlayer.MEDIA_INFO_VIDEO_RENDERING_START == what) {
viewHolder.progressbar.setVisibility(View.GONE);
Log.d("RENDERING END", "" + what);
}
}
}, 100);
return false;
}
});
viewHolder.video.setOnErrorListener(new OnErrorListener() {
@Override
public boolean onError(MediaPlayer mp, int what, int extra) {
// TODO Auto-generated method stub
Log.d("Error", "------>error" + what + "/" + extra);
if (extra != 0) {
Toast.makeText(MainActivity.this, "Can't Play Video",
Toast.LENGTH_SHORT).show();
}
return false;
}
});
viewHolder.video.clearAnimation();
return convertView;
}
}
}
manifeast.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.videoviewexample"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="19"
android:targetSdkVersion="21" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.STORAGE" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
我收到错误（1，-2147483648）我如何解决这个问题？在解决方案中我发现它是版本问题，但我无法解决它，请指导我什么是真正的问题？
logcat的：
07-25 15:22:54.181: D/dalvikvm(6785): GC_FOR_ALLOC freed 44K, 69% free 3558K/11248K, paused 13ms, total 14ms
07-25 15:22:54.181: I/dalvikvm-heap(6785): Grow heap (frag case) to 4.931MB for 864016-byte allocation
07-25 15:22:54.411: D/in getview method:(6785): 3
07-25 15:22:54.411: D/current item position:(6785): 0
07-25 15:22:54.421: D/video url inadapter:(6785): [http://journey.coderspreview.com/uploads/Home_Video/mov_bbb.mp4, http://journey.coderspreview.com/uploads/experience/165/video/father-and-young-daughter.mp4, http://journey.coderspreview.com/uploads/experience/185/video/couple-on-sail-boat.mp4, http://journey.coderspreview.com/uploads/experience/39/video/VID-20141231-WA0006.mp4, http://journey.coderspreview.com/uploads/experience/26/video/VID-20141216-WA0004.mp4]
07-25 15:22:54.541: E/MediaPlayer-JNI(6785): QCMediaPlayer mediaplayer NOT present
07-25 15:22:54.541: D/MediaPlayer(6785): Couldn't open file on client side, trying server side
07-25 15:22:54.871: D/dalvikvm(6785): GC_FOR_ALLOC freed 854K, 69% free 3567K/11248K, paused 7ms, total 8ms
07-25 15:22:54.871: I/dalvikvm-heap(6785): Grow heap (frag case) to 4.939MB for 864016-byte allocation
07-25 15:22:55.991: D/dalvikvm(6785): GC_FOR_ALLOC freed 844K, 69% free 3566K/11248K, paused 13ms, total 13ms
07-25 15:22:55.991: I/dalvikvm-heap(6785): Grow heap (frag case) to 4.939MB for 864016-byte allocation
07-25 15:22:58.221: E/MediaPlayer(6785): error (1, -2147483648)
07-25 15:23:07.501: I/dalvikvm(6785): threadid=3: reacting to signal 3
07-25 15:23:07.531: I/dalvikvm(6785): Wrote stack traces to '/data/anr/traces.txt'
07-25 15:23:11.311: A/libc(6785): Fatal signal 6 (SIGABRT) at 0x0000031f (code=0), thread 6785 (ideoviewexample)