package com.cameraview; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Color; import android.graphics.ImageFormat; import android.graphics.Matrix; import android.hardware.Camera; import android.media.AudioManager; import android.media.MediaPlayer; import android.media.MediaRecorder; import android.util.AttributeSet; import android.util.Log; import android.view.SurfaceHolder; import android.view.View; import android.widget.ImageView; import android.widget.RelativeLayout; import android.widget.VideoView; import java.io.File; import java.io.IOException; import java.util.Iterator; import java.util.List; /** * 作者: 陈嘉桐 on 2017/2/2 * 邮箱: [email protected]. */ public class JCameraView extends RelativeLayout implements SurfaceHolder.Callback { public final String TAG = "JCameraView"; private Context mContext; private VideoView mVideoView; private ImageView mImageView; private ImageView photoImageView; private CaptureButtom mCaptureButtom; private MediaRecorder mediaRecorder; private SurfaceHolder mHolder = null; private Camera mCamera; private int width; private int height; private String fileName; private Bitmap pictureBitmap; private int SELECTED_CAMERA = 0; private final int CAMERA_POST_POSITION = 0; private final int CAMERA_FRONT_POSITION = 1; private CameraViewListener cameraViewListener; public void setCameraViewListener(CameraViewListener cameraViewListener) { this.cameraViewListener = cameraViewListener; } /* 构造函数 */ public JCameraView(Context context) { this(context, null); } public JCameraView(Context context, AttributeSet attrs) { this(context, attrs, 0); } public JCameraView(Context context, AttributeSet attrs, int defStyleAttr) { this(context, attrs, defStyleAttr, 0); } public JCameraView(final Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { super(context, attrs, defStyleAttr, defStyleRes); mContext = context; //取消提示音 AudioManager audioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); audioManager.setStreamMute(AudioManager.STREAM_SYSTEM, true); audioManager.setStreamMute(AudioManager.STREAM_MUSIC, true); audioManager.setStreamVolume(AudioManager.STREAM_ALARM, 0, 0); audioManager.setStreamVolume(AudioManager.STREAM_DTMF, 0, 0); audioManager.setStreamVolume(AudioManager.STREAM_NOTIFICATION, 0, 0); audioManager.setStreamVolume(AudioManager.STREAM_RING, 0, 0); SELECTED_CAMERA = CAMERA_POST_POSITION; //设置回调 this.setBackgroundColor(Color.BLACK); /* 初始化Surface */ mVideoView = new VideoView(context); RelativeLayout.LayoutParams videoViewParam = new RelativeLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); videoViewParam.addRule(RelativeLayout.CENTER_IN_PARENT, RelativeLayout.TRUE); // videoViewParam.setMargins(10,10,10,10); mVideoView.setLayoutParams(videoViewParam); /* 初始化CaptureButtom */ RelativeLayout.LayoutParams btnParams = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); btnParams.addRule(RelativeLayout.CENTER_HORIZONTAL, RelativeLayout.TRUE); btnParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM, RelativeLayout.TRUE); mCaptureButtom = new CaptureButtom(context); mCaptureButtom.setLayoutParams(btnParams); /* 初始化结果图片 */ photoImageView = new ImageView(context); final RelativeLayout.LayoutParams photoImageViewParam = new RelativeLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); photoImageView.setLayoutParams(photoImageViewParam); photoImageView.setBackgroundColor(0xFF000000); photoImageView.setScaleType(ImageView.ScaleType.CENTER_CROP); photoImageView.setVisibility(INVISIBLE); /* 初始化ImageView */ mImageView = new ImageView(context); RelativeLayout.LayoutParams imageViewParam = new RelativeLayout.LayoutParams(60, 60); imageViewParam.addRule(RelativeLayout.ALIGN_PARENT_RIGHT, RelativeLayout.TRUE); imageViewParam.setMargins(0, 40, 40, 0); mImageView.setLayoutParams(imageViewParam); mImageView.setImageResource(R.drawable.ic_repeat_black_24dp); mImageView.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { //摄像头切换 // Toast.makeText(mContext, "mImageView", Toast.LENGTH_SHORT).show(); if (mCamera != null) { releaseCamera(); if (SELECTED_CAMERA == CAMERA_POST_POSITION) { SELECTED_CAMERA = CAMERA_FRONT_POSITION; } else { SELECTED_CAMERA = CAMERA_POST_POSITION; } mCamera = getCamera(SELECTED_CAMERA); setStartPreview(mCamera, mHolder); } } }); this.addView(mVideoView); this.addView(photoImageView); this.addView(mCaptureButtom); this.addView(mImageView); mHolder = mVideoView.getHolder(); mHolder.addCallback(this); mCaptureButtom.setCaptureListener(new CaptureButtom.CaptureListener() { @Override public void capture() { JCameraView.this.capture(); } @Override public void cancel() { photoImageView.setVisibility(INVISIBLE); mImageView.setVisibility(VISIBLE); releaseCamera(); mCamera = getCamera(SELECTED_CAMERA); setStartPreview(mCamera, mHolder); // Toast.makeText(mContext,"cancel",Toast.LENGTH_SHORT).show(); } @Override public void determine() { if (cameraViewListener != null) { FileUtil.saveBitmap(pictureBitmap); cameraViewListener.captureSuccess(pictureBitmap); } photoImageView.setVisibility(INVISIBLE); mImageView.setVisibility(VISIBLE); releaseCamera(); mCamera = getCamera(SELECTED_CAMERA); setStartPreview(mCamera, mHolder); } @Override public void quit() { if (cameraViewListener != null) { cameraViewListener.quit(); } } @Override public void record() { startRecord(); } @Override public void rencodEnd() { stopRecord(); } @Override public void getRecordResult() { if (cameraViewListener != null) { cameraViewListener.recordSuccess(fileName); } mVideoView.stopPlayback(); releaseCamera(); mCamera = getCamera(SELECTED_CAMERA); setStartPreview(mCamera, mHolder); } @Override public void deleteRecordResult() { //删除视频 File file = new File(fileName); if (file.exists()) { file.delete(); } mVideoView.stopPlayback(); releaseCamera(); mCamera = getCamera(SELECTED_CAMERA); setStartPreview(mCamera, mHolder); } @Override public void scale(float scaleValue) { Log.i(TAG, "scaleValue = " + scaleValue); } }); } @Override protected void onLayout(boolean changed, int l, int t, int r, int b) { super.onLayout(changed, l, t, r, b); } //获取Camera private Camera getCamera(int position) { Camera camera; try { camera = Camera.open(position); } catch (Exception e) { camera = null; e.printStackTrace(); } return camera; } public void btnReturn() { setStartPreview(mCamera, mHolder); } //启动相机浏览 private void setStartPreview(Camera camera, SurfaceHolder holder) { try { Camera.Parameters parameters = mCamera.getParameters(); parameters.setPictureFormat(ImageFormat.JPEG); List<Camera.Size> sizeList = parameters.getSupportedPreviewSizes();//获取所有支持的camera尺寸 Iterator<Camera.Size> itor = sizeList.iterator(); while (itor.hasNext()) { Camera.Size cur = itor.next(); Log.i("CJT", "所有的 width = " + cur.width + " height = " + cur.height); if (cur.width >= width&& cur.height >= height) { width = cur.width; height = cur.height; } } Log.i("size", "width : height" + width + " : " + height + " ==== " + getWidth() + " : " + getHeight()); parameters.setPreviewSize(width, height);//把camera.size赋值到parameters parameters.setPictureSize(width, height); parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO); camera.setParameters(parameters); camera.setPreviewDisplay(holder); camera.setDisplayOrientation(90); camera.startPreview(); } catch (IOException e) { e.printStackTrace(); } } //释放资源 private void releaseCamera() { if (mCamera != null) { mCamera.setPreviewCallback(null); mCamera.stopPreview(); mCamera.release(); mCamera = null; } } //拍照 public void capture() { mCamera.autoFocus(new Camera.AutoFocusCallback() { @Override public void onAutoFocus(boolean success, Camera camera) { if (success) { mCamera.takePicture(null, null, new Camera.PictureCallback() { @Override public void onPictureTaken(byte[] data, Camera camera) { Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length); Matrix matrix = new Matrix(); matrix.setRotate(90); bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true); pictureBitmap = bitmap; photoImageView.setImageBitmap(bitmap); photoImageView.setVisibility(VISIBLE); mImageView.setVisibility(INVISIBLE); mCaptureButtom.captureSuccess(); } }); } } }); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { super.onMeasure(widthMeasureSpec, heightMeasureSpec); } @Override public void surfaceCreated(SurfaceHolder holder) { setStartPreview(mCamera, holder); Log.i("Camera", "surfaceCreated"); } @Override public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { mHolder = holder; if (mCamera != null) { mCamera.stopPreview(); setStartPreview(mCamera, holder); } } @Override public void surfaceDestroyed(SurfaceHolder holder) { releaseCamera(); Log.i("Camera", "surfaceDestroyed"); } public void onResume() { //默认启动后置摄像头 mCamera = getCamera(SELECTED_CAMERA); setStartPreview(mCamera, mHolder); } public void onPause() { releaseCamera(); } /* 开始录制 */ private void startRecord() { mediaRecorder = new MediaRecorder(); mediaRecorder.reset(); mCamera.unlock(); // 设置录制视频源为Camera(相机) mediaRecorder.setCamera(mCamera); mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA); mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); // 设置录制完成后视频的封装格式THREE_GPP为3gp.MPEG_4为mp4 mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4); // 设置录制的视频编码h263 h264 mediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264); mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); // 设置视频录制的分辨率。必须放在设置编码和格式的后面，否则报错 mediaRecorder.setVideoSize(width, height); // 设置录制的视频帧率。必须放在设置编码和格式的后面，否则报错 if (SELECTED_CAMERA == CAMERA_FRONT_POSITION) { mediaRecorder.setOrientationHint(270); } else { mediaRecorder.setOrientationHint(90); } mediaRecorder.setMaxDuration(10000); mediaRecorder.setVideoEncodingBitRate(5 * 1024 * 1024); mediaRecorder.setVideoFrameRate(20); mediaRecorder.setPreviewDisplay(mHolder.getSurface()); // 设置视频文件输出的路径 mediaRecorder.setOutputFile("/sdcard/love.mp4"); try { //准备录制 mediaRecorder.prepare(); // 开始录制 mediaRecorder.start(); } catch (IOException e) { e.printStackTrace(); } } /* 停止录制 */ private void stopRecord() { if (mediaRecorder != null) { //停止录制 mediaRecorder.stop(); //释放资源 mediaRecorder.release(); mediaRecorder = null; releaseCamera(); fileName = "/sdcard/love.mp4"; mVideoView.setVideoPath(fileName); mVideoView.start(); mVideoView.setOnPreparedListener(new MediaPlayer.OnPreparedListener() { @Override public void onPrepared(MediaPlayer mp) { mp.start(); mp.setLooping(true); } }); mVideoView .setOnCompletionListener(new MediaPlayer.OnCompletionListener() { @Override public void onCompletion(MediaPlayer mp) { mVideoView.setVideoPath(fileName); mVideoView.start(); } }); // Toast.makeText(mContext, mVideoView.isPlaying() + "=", Toast.LENGTH_SHORT).show(); } } public interface CameraViewListener { public void quit(); public void captureSuccess(Bitmap bitmap); public void recordSuccess(String url); } }