Android 视频录制(1.6以上版本使用)

package com.video; import java.io.File; import java.io.IOException; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.app.Activity; import android.content.pm.ActivityInfo; import android.media.MediaRecorder; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; import android.graphics.PixelFormat; import android.hardware.Camera; public class RecorderVideo extends Activity implements SurfaceHolder.Callback { private String strTempFile = "User1_"; private File myRecAudioFile; private File myRecAudioDir; private Camera mCamera01; private MediaRecorder recorder; private SurfaceView surfaceView1 ; private SurfaceHolder surfaceHolder; private boolean isStopRecord; private boolean sdCardExit; private boolean recording = false; private Button btn02,btn03,btn04; private TextView tv01,tv02,tv03,tv04,tv05; private int hour = 0; private int minute = 0; private int second = 0; private boolean bool; public void onCreate(Bundle savedInstanceState) { super.onCreate(null); //全屏显示 requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); //横屏显示 this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); getWindow().setFormat(PixelFormat.TRANSLUCENT); setContentView(R.layout.main); btn02 = (Button) findViewById(R.id.Button02); btn03 = (Button) findViewById(R.id.Button03); btn04 = (Button) findViewById(R.id.Button04); tv01 = (TextView) findViewById(R.id.TextView01); tv02 = (TextView) findViewById(R.id.TextView02); tv03 = (TextView) findViewById(R.id.TextView03); tv04 = (TextView) findViewById(R.id.TextView04); tv05 = (TextView) findViewById(R.id.TextView05); //设置TextView不可见 tv01.setVisibility(View.GONE); tv02.setVisibility(View.GONE); tv03.setVisibility(View.GONE); tv04.setVisibility(View.GONE); tv05.setVisibility(View.GONE); // 判断SD Card是否插入 sdCardExit = Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED); // 如果sd卡存在,取得SD Card路径作为录音的文件位置 if(sdCardExit){ myRecAudioDir = Environment.getExternalStorageDirectory(); }else { mMakeTextToast("存储卡不存在",true); } surfaceView1 = (SurfaceView) findViewById(R.id.SurfaceView); //绑定surfaceView，取得surfaceHolder对象 surfaceHolder = surfaceView1.getHolder(); //activity必须实现surfaceHolder.Callback() surfaceHolder.addCallback(RecorderVideo.this); //设置显示器类型 surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); //开始录制 btn02.setOnClickListener(mBtn02); //停止录制 btn03.setOnClickListener(mBtn03); //返回 btn04.setOnClickListener(mBtn04); } private Button.OnClickListener mBtn02 = new Button.OnClickListener(){ @Override public void onClick(View v) { //录制视频 recorder(); } }; private Button.OnClickListener mBtn03 = new Button.OnClickListener(){ @Override public void onClick(View v) { //停止录制 stop(); } }; private Button.OnClickListener mBtn04 = new Button.OnClickListener(){ @Override public void onClick(View v) { //返回 back(); } }; /** * 1.6以下版本需要初始化摄像头，即下面屏蔽的代码， * 1.6以上的版本，初始化已经封装好，不需要初始化，否则会报错 prepared failed，但这样的话没有预览，还需要改进 */ // public void initCamera(){ // if(!recording){ // mCamera01 = Camera.open(); // } // if(mCamera01 != null && !recording){ // try { // //创建Camera.Parameter对象 // Camera.Parameters parameters = mCamera01.getParameters(); // //设置Preview的尺寸 // parameters.setPreviewSize(640,480); // //设置相机采用parameters // mCamera01.setParameters(parameters); // mCamera01.setPreviewDisplay(surfaceHolder); // //立即运行Preview // mCamera01.startPreview(); // recording = true; // } catch (IOException e) { // e.printStackTrace(); // } // } // } //开始录像 public void recorder(){ try { bool = true; myRecAudioFile = File.createTempFile(strTempFile,".mp4",myRecAudioDir); recorder = new MediaRecorder(); recorder.setPreviewDisplay(surfaceHolder.getSurface()); recorder.setVideoSource(MediaRecorder.VideoSource.CAMERA); //设置录音源为麦克风 recorder.setAudioSource(MediaRecorder.AudioSource.MIC); //设置输出格式为3gp recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); //设置视频大小 recorder.setVideoSize(480,320); //每秒的帧数 recorder.setVideoFrameRate(24); //设置视频编码 recorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264); //设置音频编码 recorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT); recorder.setOutputFile(myRecAudioFile.getAbsolutePath()); recorder.prepare(); tv01.setVisibility(View.VISIBLE); tv02.setVisibility(View.VISIBLE); tv03.setVisibility(View.VISIBLE); tv04.setVisibility(View.VISIBLE); tv05.setVisibility(View.VISIBLE); handler.postDelayed(task, 1000); recorder.start(); recording = true; isStopRecord = false; } catch (IOException e) { e.printStackTrace(); } } //停止录像 public void stop(){ if (recorder == null){ return; }else{ recorder.stop(); bool = false; tv01.setText(format(hour)); tv03.setText(format(minute)); tv05.setText(format(second)); recorder.release(); recording = false; recorder = null; mMakeTextToast("停止：" + myRecAudioFile.getName(),true); // 停止录象 isStopRecord = true; } } //返回 public void back(){ // if (recorder != null && !isStopRecord){ // //停止录象 // recorder.stop(); // recorder.release(); // } finish(); } //定时器设置，实现计时 private Handler handler = new Handler(); private Runnable task = new Runnable() { public void run() { if(bool){ handler.postDelayed(this, 1000); second ++; if(second < 60){ tv05.setText(format(second)); }else if(second < 3600){ minute = second / 60; second = second % 60; tv03.setText(format(minute)); tv05.setText(format(second)); }else{ hour = second / 3600; minute = (second % 3600) / 60; second = (second % 3600) % 60; tv01.setText(format(hour)); tv03.setText(format(minute)); tv05.setText(format(second)); } } } }; private void mMakeTextToast(String string, boolean b) { if(b == true){ Toast.makeText(RecorderVideo.this, string, Toast.LENGTH_LONG).show(); } else { Toast.makeText(RecorderVideo.this, string, Toast.LENGTH_SHORT).show(); } } //格式化时间 public String format(int i){ String s = i + ""; if(s.length() == 1){ s = "0" + s; } return s; } public void surfaceChanged(SurfaceHolder holder, int format, int width,int height) { } public void surfaceCreated(SurfaceHolder holder) { } public void surfaceDestroyed(SurfaceHolder holder) { } }