android视频录制(调用系统视频录制)，生成缩略图

package com.example.videocapture;import android.app.Activity;import android.content.Intent;import android.database.Cursor;import android.graphics.Bitmap;import android.net.Uri;import android.os.Bundle;import android.provider.MediaStore;import android.provider.MediaStore.Video.Thumbnails;import android.provider.MediaStore.Video.VideoColumns;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ImageView;public class MainActivity extends Activity {private static final int VIDEO_CAPTURE = 0;private ImageView imageView;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);imageView = (ImageView) findViewById(R.id.imageView);Button button = (Button) findViewById(R.id.button);button.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);startActivityForResult(intent, VIDEO_CAPTURE);}});}@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {super.onActivityResult(requestCode, resultCode, data);if (resultCode == Activity.RESULT_OK && requestCode == VIDEO_CAPTURE) {Uri uri = data.getData();Cursor cursor = this.getContentResolver().query(uri, null, null,null, null);if (cursor != null && cursor.moveToNext()) {int id = cursor.getInt(cursor.getColumnIndex(VideoColumns._ID));String filePath = cursor.getString(cursor.getColumnIndex(VideoColumns.DATA));Bitmap bitmap = Thumbnails.getThumbnail(getContentResolver(),id, Thumbnails.MICRO_KIND, null);//ThumbnailUtils类2.2以上可用//Bitmap bitmap = ThumbnailUtils.createVideoThumbnail(filePath, Thumbnails.MICRO_KIND);imageView.setImageBitmap(bitmap);cursor.close();}}}}

参考：http://my.oschina.net/chengliqun/blog/62150

http://aichixihongshi.iteye.com/blog/1233825

http://www.cnblogs.com/jjyoung/archive/2012/04/13/2446073.html

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