1、全屏截屏
public static final int EVENT_SCREENSHOT = 22;//截圖事件
private MediaProjectionManager mediaProjectionManager;
private MediaProjection mediaProjection;
private Image image;
public void takeScreenShot() {
mediaProjectionManager = (MediaProjectionManager)
getApplication().getSystemService(Context.MEDIA_PROJECTION_SERVICE);
startActivityForResult(mediaProjectionManager.createScreenCaptureIntent(), EVENT_SCREENSHOT);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
Log.e("whh0914", "onActivityResult...requestCode=" + requestCode + ",resultCode=" + resultCode);
if (requestCode == EVENT_SCREENSHOT) {
super.onActivityResult(requestCode, resultCode, data);
Log.e("whh0914", "captureScreen...");
DisplayMetrics displayMetrics = new DisplayMetrics();
WindowManager windowManager = (WindowManager) this.getSystemService(WINDOW_SERVICE);
windowManager.getDefaultDisplay().getMetrics(displayMetrics);
int width = displayMetrics.widthPixels;
int height = displayMetrics.heightPixels;
Log.e("whh0914", "displayMetrics width=" + width + ", height=" + height);
ImageReader mImageReader = ImageReader.newInstance(width, height, PixelFormat.RGBA_8888, 2);
mediaProjection = mediaProjectionManager.getMediaProjection(resultCode, data);
VirtualDisplay virtualDisplay = mediaProjection.createVirtualDisplay("screen-mirror", width, height,
displayMetrics.densityDpi, DisplayManager.VIRTUAL_DISPLAY_FLAG_AUTO_MIRROR, mImageReader.getSurface(), null, null);
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
try {
image = mImageReader.acquireLatestImage();
if (image != null) {
final Image.Plane[] planes = image.getPlanes();
final ByteBuffer buffer = planes[0].getBuffer();
int width = image.getWidth();
int height = image.getHeight();
Log.e("whh0914", "image width=" + width + ", height=" + height);
int pixelStride = planes[0].getPixelStride();
int rowStride = planes[0].getRowStride();
int rowPadding = rowStride - pixelStride * width;
Bitmap bitmap = Bitmap.createBitmap(width + rowPadding / pixelStride, height, Bitmap.Config.ARGB_8888);
bitmap.copyPixelsFromBuffer(buffer);
bitmap = Bitmap.createScaledBitmap(bitmap, bitmap.getWidth(), bitmap.getHeight(), false);
if (bitmap != null) {
Log.e("whh0914", "屏幕截圖成功!");
saveBitmap(bitmap, "/sdcard/screenShot.png");
}
bitmap.recycle();
}
} catch (Exception e) {
Log.e("whh0914", "截圖出現異常:" + e.toString());
} finally {
if (image != null) {
image.close();
}
if (mImageReader != null) {
mImageReader.close();
}
if (virtualDisplay != null) {
virtualDisplay.release();
}
//必須代碼,否則出現BufferQueueProducer: [ImageReader] dequeueBuffer: BufferQueue has been abandoned
mImageReader.setOnImageAvailableListener(null, null);
mediaProjection.stop();
}
}
}, 100);
}
}
2、針對特定的Surface截屏
PixelCopy工具類
PixelCopy.request(window, bitmap, new PixelCopy.OnPixelCopyFinishedListener() {
@Override
public void onPixelCopyFinished(int copyResult){
if (PixelCopy.SUCCESS == copyResult) {
// onSuccessCallback(bitmap)
} else {
// onErrorCallback()
}
}
}, new Handler());
3、SurfaceControl截屏
應用內截屏.需要權限android.permission.READ_FRAME_BUFFER
當然,每個版本的SurfaceControl不一樣
Display display = ((WindowManager)captureView.getContext()
.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
DisplayMetrics displayMetrics = new DisplayMetrics();
display.getRealMetrics(displayMetrics);
Bitmap bitmap = SurfaceControl.screenshot(displayMetrics.widthPixels,
displayMetrics.heightPixels);
4、TextureView截屏
private Bitmap getScreenshot(){
mPlayerLayout.buildDrawingCache();
Bitmap content = mTextureView.getBitmap();
Bitmap layout = mPlayerLayout.getDrawingCache();
Bitmap screenshot = Bitmap.createBitmap(layout.getWidth(), layout.getHeight(), Bitmap.Config.ARGB_4444);
// 把兩部分拼起來,先把視頻截圖繪製到上下左右居中的位置,再把播放器的佈局元素繪製上去。
Canvas canvas = new Canvas(screenshot);
canvas.drawBitmap(content, (layout.getWidth()-content.getWidth())/2, (layout.getHeight()-content.getHeight())/2, new Paint());
canvas.drawBitmap(layout, 0, 0, new Paint());
canvas.save();
canvas.restore();
return screenshot;
}
5、對視頻資源截屏
private Bitmap getScreenshot(){
mPlayerLayout.buildDrawingCache();
Bitmap content = surfaceViewCapture();
Bitmap layout = mPlayerLayout.getDrawingCache();
Bitmap screenshot = Bitmap.createBitmap(layout.getWidth(), layout.getHeight(), Bitmap.Config.ARGB_4444);
// 把兩部分拼起來,先把視頻截圖繪製到上下左右居中的位置,再把播放器的佈局元素繪製上去。
Canvas canvas = new Canvas(screenshot);
canvas.drawBitmap(screen, (layout.getWidth()-screen.getWidth())/2, (layout.getHeight()-screen.getHeight())/2, new Paint());
canvas.drawBitmap(layout, 0, 0, new Paint());
canvas.save();
canvas.restore();
return screenshot;
}
private Bitmap surfaceViewCapture(){
MediaMetadataRetriever mmr = new MediaMetadataRetriever();
mmr.setDataSource(Environment.getExternalStorageDirectory()+"/video.mp4");
return mmr.getFrameAtTime(mMediaPlayer.getCurrentPosition() * 1000);
}
6、屏幕外錄製
創建一個Surface
displayManager.createVirtualDisplay() 創建VirtualDisplay
displaManager.getDIsplay獲取VirtualDisplay對應的Display
利用Presentation將要錄製的內容彈出
7、錄製主屏幕
創建一個Surface
MediaProjection