Android 仿秒拍，微信录制短视频
16lz
2021-01-23
Android 仿秒拍，微信录制短视频
之前看了别人写的代码，但是结果自己运行时出现了这种异常。一下是自己整理后的代码：
-1.首先是自定义view :MovieRecorderView.class。必须实现两个接口MediaRecorder.OnErrorListener,MediaRecorder.OnInfoListener，否则会出现：java.lang.IllegalStateException 异常。再就是，相机的 mCamera.lock(); lock camera for later use一定写在mMediaRecorder.release()之后，而不是mCamera.release()。好了，下面是代码：
public class MovieRecorderView extends LinearLayout implements MediaRecorder.OnErrorListener,MediaRecorder.OnInfoListener { private SurfaceView mSurfaceView; private SurfaceHolder mSurfaceHolder; private ProgressBar mProgressBar; private MediaRecorder mMediaRecorder; private Camera mCamera; private Timer mTimer;// 计时器 private OnRecordFinishListener mOnRecordFinishListener;// 录制完成回调接口 private int mWidth;// 视频分辨率宽度 private int mHeight;// 视频分辨率高度 private boolean isOpenCamera;// 是否一开始就打开摄像头 private int mRecordMaxTime;// 一次拍摄最长时间 private int mTimeCount;// 时间计数 private File mVecordFile = null;// 文件 public MovieRecorderView(Context context) { super(context); } public MovieRecorderView(Context context, AttributeSet attrs) { super(context, attrs); TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.MovieRecorderView, 0, 0); mWidth = a.getInteger(R.styleable.MovieRecorderView_width, 320);// 默认320 mHeight = a.getInteger(R.styleable.MovieRecorderView_movie_height, 240);// 默认240 isOpenCamera = a.getBoolean( R.styleable.MovieRecorderView_is_open_camera, true);// 默认打开 mRecordMaxTime = a.getInteger( R.styleable.MovieRecorderView_record_max_time, 10);// 默认为10 View view = LayoutInflater.from(context) .inflate(R.layout.movie_recorder_view, this); mSurfaceView = (SurfaceView) view.findViewById(R.id.surfaceview); mProgressBar = (ProgressBar) view.findViewById(R.id.recorder_progressBar); mProgressBar.setMax(mRecordMaxTime);// 设置进度条最大量 mSurfaceHolder = mSurfaceView.getHolder(); mSurfaceHolder.addCallback(new CustomCallBack()); mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); a.recycle(); } public MovieRecorderView(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); } @Override public void onInfo(MediaRecorder mr, int what, int extra) { } private class CustomCallBack implements SurfaceHolder.Callback { @Override public void surfaceCreated(SurfaceHolder holder) { if (!isOpenCamera) return; try { initCamera(); } catch (IOException e) { e.printStackTrace(); } } @Override public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { } @Override public void surfaceDestroyed(SurfaceHolder holder) { if (!isOpenCamera) return; freeCameraResource(); } } /** * 初始化摄像头 */ private void initCamera() throws IOException { if (mCamera != null) { freeCameraResource(); } try { mCamera = Camera.open(); } catch (Exception e) { e.printStackTrace(); freeCameraResource(); } if (mCamera == null) return; setCameraParams(); mCamera.setDisplayOrientation(90); mCamera.setPreviewDisplay(mSurfaceHolder); mCamera.startPreview(); } /** * 设置摄像头为竖屏 */ private void setCameraParams() { if (mCamera != null) { Camera.Parameters params = mCamera.getParameters(); params.set("orientation", "portrait"); mCamera.setParameters(params); } } private void createRecordDir() { //录制的视频保存文件夹 File sampleDir = new File(Environment.getExternalStorageDirectory() + File.separator + "ysb/video/");//录制视频的保存地址 if (!sampleDir.exists()) { sampleDir.mkdirs(); } File vecordDir = sampleDir; // 创建文件 try { mVecordFile = File.createTempFile("recording", ".mp4", vecordDir);// mp4格式的录制的视频文件 } catch (IOException e) { e.printStackTrace(); } } /** * 初始化 * @throws IOException */ @SuppressLint("NewApi") private boolean initRecord() throws IOException { mMediaRecorder = new MediaRecorder(); // Step 1: Unlock and set camera to MediaRecorder mCamera.unlock(); mMediaRecorder.setCamera(mCamera); // Step 2: Set sources mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER); mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA); // Step 3: Set a CamcorderProfile (requires API Level 8 or higher)//mMediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH)); CamcorderProfile highCameraProfile = CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH); mMediaRecorder.setProfile(highCameraProfile); mMediaRecorder.setMaxDuration(100000); // MAXDuration 10 seconds mMediaRecorder.setMaxFileSize(20000000); // MAXSIZE 20 megabytes mMediaRecorder.setOrientationHint(90);// 输出旋转90度，保持竖屏录制 // Step 4: Set output filemMediaRecorder.setOutputFile(mVecordFile.getAbsolutePath()); // Step 5: Set the preview output mMediaRecorder.setPreviewDisplay(mSurfaceHolder.getSurface()); // Step 6: Prepare configured MediaRecorder try { mMediaRecorder.prepare(); } catch (IllegalStateException e) { Log.d("TAG", "IllegalStateException preparing MediaRecorder: " + e.getMessage()); releaseRecord(); return false; } catch (IOException e) { Log.d("TAG", "IOException preparing MediaRecorder: " + e.getMessage()); releaseRecord(); return false; } return true; } /** * 开始录制视频 * 视频储存位置 * @param onRecordFinishListener * 达到指定时间之后回调接口 */ public void record(final OnRecordFinishListener onRecordFinishListener) { this.mOnRecordFinishListener = onRecordFinishListener; createRecordDir(); try { if (!isOpenCamera)// 如果未打开摄像头，则打开 initCamera(); if (initRecord()== true) { // Camera is available and unlocked, MediaRecorder is prepared, // now you can start recording mMediaRecorder.start(); } else { // prepare didn't work, release the camera releaseRecord(); // inform user } mTimeCount = 0; // 时间计数器重新赋值 mTimer = new Timer(); mTimer.schedule(new TimerTask() { @Override public void run() { mTimeCount++; // 设置进度条 if (mTimeCount == mRecordMaxTime) { // 达到指定时间，停止拍摄 stop(); if (mOnRecordFinishListener != null) mOnRecordFinishListener.onRecordFinish(); } } }, 0, 1000); } catch (IOException e) { e.printStackTrace(); } } /** * 停止拍摄 */ public void stop() { stopRecord(); releaseRecord(); freeCameraResource(); } /** * 停止录制 */ public void stopRecord() { mProgressBar.setProgress(0); if (mTimer != null) mTimer.cancel(); if (mMediaRecorder != null) { try { mMediaRecorder.stop(); mMediaRecorder.reset(); } catch (IllegalStateException e) { e.printStackTrace(); } catch (RuntimeException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } } } /** * 释放资源 */ private void releaseRecord() { if (mMediaRecorder != null) { mMediaRecorder.reset(); // clear recorder configuration // release the recorder object mMediaRecorder = null; mCamera.lock(); // lock camera for later use } } /** * 释放摄像头资源 */ private void freeCameraResource() { if (mCamera != null) { mCamera.setPreviewCallback(null); mCamera.stopPreview(); mCamera.release(); mCamera = null; } } public int getTimeCount() { return mTimeCount; } //返回录制的视频文件 public File getmVecordFile() { return mVecordFile; } /** * 录制完成回调接口 */ public interface OnRecordFinishListener { public void onRecordFinish(); } @Override public void onError(MediaRecorder mr, int what, int extra) { try { if (mr != null) mr.reset(); } catch (IllegalStateException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } }}-2.对应的布局：
<?xml version="1.0" encoding="utf-8"?><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:background="@android:color/background_dark" android:orientation="vertical"> <SurfaceView android:id="@+id/surfaceview" android:layout_width="fill_parent" android:layout_height="0dp" android:layout_weight="1" /> <ProgressBar android:id="@+id/recorder_progressBar" style="?android:attr/progressBarStyleHorizontal" android:layout_width="match_parent" android:layout_height="5dp" android:progressDrawable="@drawable/progressbar"/>LinearLayout>-3.接下来是主Activity，MovieRecorderActivity.class
public class MovieRecorderActivity extends AppCompatActivity { private MovieRecorderView mRecorderView;//视频录制控件 private Button mShootBtn;//视频开始录制按钮 private boolean isFinish = true; private boolean success = false;//防止录制完成后出现多次跳转事件 @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main_movie_recorder); mRecorderView = (MovieRecorderView) findViewById(R.id.movieRecorderView); mShootBtn = (Button) findViewById(R.id.shoot_button); //用户长按事件监听 mShootBtn.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_DOWN) {//用户按下拍摄按钮 mShootBtn.setBackgroundResource(R.drawable.bg_movie_add_shoot_select); mRecorderView.record(new MovieRecorderView.OnRecordFinishListener() { @Override public void onRecordFinish() { } }); } else if (event.getAction() == MotionEvent.ACTION_UP) {//用户抬起拍摄按钮 mShootBtn.setBackgroundResource(R.drawable.bg_movie_add_shoot); if (mRecorderView.getTimeCount() > 3){//判断用户按下时间是否大于3秒 if(!success){ success = true; handler.sendEmptyMessage(1); } } else { success = false; if (mRecorderView.getmVecordFile() != null) mRecorderView.getmVecordFile().delete();//删除录制的过短视频 mRecorderView.stop();//停止录制 Toast.makeText(MovieRecorderActivity.this, "视频录制时间太短", Toast.LENGTH_SHORT).show(); } } return true; } }); } @Override public void onResume() { super.onResume(); isFinish = true; if (mRecorderView.getmVecordFile() != null) mRecorderView.getmVecordFile().delete();//视频使用后删除 } @Override public void onPause() { super.onPause(); } @Override public void onDestroy() { super.onDestroy(); } private Handler handler = new Handler() { @Override public void handleMessage(Message msg) { if(success){ finishActivity(); } } }; //视频录制结束后，跳转的函数 private void finishActivity() { if (isFinish) { mRecorderView.stop(); Intent intent = new Intent(this, SuccessActivity.class); Bundle bundle = new Bundle(); bundle.putString("text", mRecorderView.getmVecordFile().toString()); intent.putExtras(bundle); startActivity(intent); } success = false; }}-4.对应的.XML布局
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@android:color/white" android:orientation="vertical"> <com.ruisi.food.main.MovieRecorderView android:id="@+id/movieRecorderView" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="1" android:layout_margin="3dp" /> <Button android:id="@+id/shoot_button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:background="@drawable/bg_movie_add_shoot" android:text="按住拍" android:textColor="#ffffff"/>LinearLayout>-5.最后再把里面用到的资源文件切上，bg_movie_add_shoot.xml和bg_movie_add_shoot_select.xml
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