android安卓视频录制摄像拍摄源码(测试可用)

package com.cn.mvideo; import java.io.File; import java.io.IOException; import android.app.Activity; import android.media.MediaRecorder; import android.os.Bundle; import android.os.Environment; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class MVideo extends Activity { private File myRecAudioFile; private SurfaceView mSurfaceView; private SurfaceHolder mSurfaceHolder; private Button buttonStart; private Button buttonStop; private File dir; private MediaRecorder recorder; private String SD_CARD_TEMP_DIR = getSDPath() + File.separator + "myvideo" + File.separator; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mSurfaceView = (SurfaceView) findViewById(R.id.videoView); mSurfaceHolder = mSurfaceView.getHolder(); mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); buttonStart = (Button) findViewById(R.id.start); buttonStop = (Button) findViewById(R.id.stop); dir = new File(SD_CARD_TEMP_DIR); if (!dir.exists()) { dir.mkdir(); } recorder = new MediaRecorder(); buttonStart.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { recorder(); } }); buttonStop.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { recorder.stop(); recorder.reset(); recorder.release(); recorder = null; } }); } public void recorder() { try { myRecAudioFile = File.createTempFile("video", ".3gp", dir);// 创建临时文件 recorder.setPreviewDisplay(mSurfaceHolder.getSurface());// 预览 recorder.setAudioSource(MediaRecorder.AudioSource.MIC); // 录音源为麦克风 recorder.setMaxDuration(10000);// 最大期限 recorder.setVideoSource(MediaRecorder.VideoSource.CAMERA); // 从照相机采集视频 recorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT); recorder.setVideoSize(480, 320); recorder.setVideoFrameRate(3); // 每秒3帧 recorder.setVideoEncoder(MediaRecorder.VideoEncoder.DEFAULT); // 设置视频编码方式 recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); recorder.setOutputFile(myRecAudioFile.getAbsolutePath());// 保存路径 recorder.prepare(); recorder.start(); } catch (IOException e) { e.printStackTrace(); } } public static String getSDPath() { File sdDir = null; boolean sdCardExist = Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED); // 判断sd卡是否存在 if (sdCardExist) { sdDir = Environment.getExternalStorageDirectory();// 获取跟目录 } else { return null; } System.out.println("sd路径是：" + sdDir.toString()); return sdDir.toString(); } }