实现获取视频的缩略图（ThumbnailUtils），并且播放.zip

package com.test.activity; import java.text.DecimalFormat; import java.text.NumberFormat; import java.util.List; import android.app.Activity; import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; import android.net.Uri; import android.os.Bundle; import android.os.Environment; import android.provider.MediaStore.Images.Thumbnails; import android.view.View; import android.widget.Button; import android.widget.ImageView; import android.widget.TextView; import android.location.Criteria; import android.location.Location; import android.location.LocationListener; import android.location.LocationManager; import android.media.ThumbnailUtils; import com.google.android.maps.GeoPoint; import com.google.android.maps.MapActivity; import com.google.android.maps.MapController; import com.google.android.maps.MapView; import com.google.android.maps.Overlay; import com.google.android.maps.OverlayItem; import com.test.activity.util.HelloItemizedOverlay; import com.test.activity.util.MyOverLay; public class MainActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Bitmap bitmap=ThumbnailUtils.createVideoThumbnail(Environment.getExternalStorageDirectory()+"/20110.mp4",Thumbnails.MINI_KIND); Bitmap bitmap1=ThumbnailUtils.extractThumbnail(bitmap,200,200); BitmapDrawable d=new BitmapDrawable (bitmap1); ((ImageView)findViewById(R.id.imageview)).setBackgroundDrawable(d); ((ImageView)findViewById(R.id.imageview)).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Intent it = new Intent(Intent.ACTION_VIEW); System.out.println(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)); Uri uri = Uri.parse(Environment.getExternalStorageDirectory()+"/20110.mp4"); it.setDataAndType(uri , "video/mp4"); startActivity(it); } }); } }