<!-- 授予該程序錄制聲音的權(quán)限 -->
    <uses-permission android:name="android.permission.RECORD_AUDIO" />
    <!-- 授予該程序使用攝像頭的權(quán)限 -->
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
    <!-- 授予使用外部存儲(chǔ)的權(quán)限 -->
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

<RelativeLayout 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"
    tools:context=".MainActivity" >

 

    <SurfaceView
        android:id="@+id/dView"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true" 
        android:orientation="horizontal" >

        <Button
            android:id="@+id/record"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="@string/record" />

        <Button
            android:id="@+id/stop"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="@string/stop" />
    </LinearLayout>

</RelativeLayout>

package com.android.xiong.videotest;

 

import java.io.File;

import android.app.Activity;
import android.hardware.Camera;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.os.Environment;
import android.view.Menu;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity implements OnClickListener {

 Button record, stop;
 // 系統(tǒng)視頻文件
 File viodFile;
 MediaRecorder mRecorder;
 // 顯示視頻的SurfaceView
 SurfaceView sView;
 // 記錄是否正在進(jìn)行錄制
 boolean isRecording = false;

 Camera camera;

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  record = (Button) findViewById(R.id.record);
  stop = (Button) findViewById(R.id.stop);
  sView = (SurfaceView) findViewById(R.id.dView);
  // stop按鈕不可用
  stop.setEnabled(false);

  // 設(shè)置Surface不需要維護(hù)自己的緩沖區(qū)
  sView.getHolder().setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
  // 設(shè)置分辨率
  sView.getHolder().setFixedSize(320, 280);
  // 設(shè)置該組件不會(huì)讓屏幕自動(dòng)關(guān)閉
  sView.getHolder().setKeepScreenOn(true);

  record.setOnClickListener(this);
  stop.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) {
  switch (v.getId()) {
  case R.id.record:
   if (!Environment.getExternalStorageState().equals(
     Environment.MEDIA_MOUNTED)) {
    Toast.makeText(this, "SD卡不存在，請(qǐng)插卡！", Toast.LENGTH_SHORT).show();
    return;
   }
   try {
    // 創(chuàng)建MediaPlayer對(duì)象
    mRecorder = new MediaRecorder();
    mRecorder.reset();
   /* camera = Camera.open();
    camera.unlock();
    camera.setDisplayOrientation(0);
    mRecorder.setCamera(camera);*/
    // 創(chuàng)建保存錄制視頻的視頻文件
    viodFile = new File(Environment.getExternalStorageDirectory()
      .getCanonicalFile() + "/myvideo.mp4");

    if (!viodFile.exists())
     viodFile.createNewFile();

    // 設(shè)置從麥克風(fēng)采集聲音
    mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    // 設(shè)置從攝像頭采集圖像
    mRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
    // 設(shè)置視頻、音頻的輸出格式
    mRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
    // 設(shè)置音頻的編碼格式、
    mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
    // 設(shè)置圖像編碼格式
    mRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.DEFAULT);
    mRecorder.setOrientationHint(90);
    //mRecorder.setVideoSize(320, 280);
    // mRecorder.setVideoFrameRate(5);
    mRecorder.setOutputFile(viodFile.getAbsolutePath());
    // 指定SurfaceView來預(yù)覽視頻
    mRecorder.setPreviewDisplay(sView.getHolder().getSurface());
    mRecorder.prepare();
    // 開始錄制
    mRecorder.start();
    // 讓record按鈕不可用
    record.setEnabled(false);
    // 讓stop按鈕可用
    stop.setEnabled(true);
    isRecording = true;

   } catch (Exception e) {
    e.printStackTrace();
   }
   break;
  case R.id.stop:
   // 如果正在錄制
   if (isRecording) {
    // 停止錄制
    mRecorder.stop();
    // 釋放資源
    mRecorder.release();
    mRecorder = null;
    // 讓record按鈕可用
    record.setEnabled(true);
    // 讓stop按鈕不可用
    stop.setEnabled(false);
   }
   break;
  default:
   break;
  }
 }
}