Android 视频录制限制时间

package com.example.movetest;

import java.io.File;

import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.media.ThumbnailUtils;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.provider.MediaStore.Video;
import android.provider.MediaStore.Video.VideoColumns;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;

public class MainActivity extends Activity implements OnClickListener {
private static final int VIDEO_CAPTURE = 0;
private Button btns;
private ImageView imageView;
String filePath="";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btns = (Button) findViewById(R.id.moves);
btns.setOnClickListener(this);
imageView = (ImageView) findViewById(R.id.imageviews);
imageView.setOnClickListener(this);
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.moves:

Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
intent.putExtra(MediaStore.EXTRA_DURATION_LIMIT, 10);//限制录制时间10秒
startActivityForResult(intent, VIDEO_CAPTURE);
break;

case R.id.imageviews:

Intent intents = new Intent(Intent.ACTION_VIEW);
intents.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intents.setDataAndType(Uri.fromFile(new File(filePath)), "video/*");
startActivity(intents);

break;
}
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
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));
filePath = cursor.getString(cursor
.getColumnIndex(VideoColumns.DATA));
//				Bitmap bitmap = Thumbnails.getThumbnail(getContentResolver(),
//						id, Thumbnails.MICRO_KIND,null);
imageView.setImageBitmap(getBitmap(filePath));
cursor.close();
}
}

super.onActivityResult(requestCode, resultCode, data);

}
/**
* 获得视频的缩略图
*
* @param mUri
*/
public Bitmap getBitmap(String imgPath) {

if (getAndroidSDKVersion() >= 8) {
Bitmap bp = ThumbnailUtils.createVideoThumbnail(imgPath,
Video.Thumbnails.MINI_KIND);
return bp;
} else {
return null;
}
}
/**
* 当前系统的版本号
*
* @author liningning
*
* @create 2011-11-14
*/
public int getAndroidSDKVersion() {
int version;
try {
version = Integer.valueOf(android.os.Build.VERSION.SDK);
} catch (NumberFormatException e) {
System.out.println(e.toString());
return -1;
}
return version;
}

}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity" >

<Button
android:id="@+id/moves"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="录制视频"
/>
<ImageView
android:src="@drawable/ic_launcher"
android:id="@+id/imageviews"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.movetest"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="18" />

<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.movetest.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>
<uses-permission
android:name="android.permission.CAMERA"
/>
</manifest>