下面列出了怎么用android.view.SurfaceView的API类实例代码及写法，或者点击链接到github查看源代码。
void addRemoteVideo(View singleRemoteView, SurfaceView video, String userId) {
if (singleRemoteView == null)
return;
FrameLayout remoteVideoView = (FrameLayout) singleRemoteView.findViewById(R.id.viewlet_remote_video_user);
remoteVideoView.removeAllViews();
if (video.getParent() != null) {
((ViewGroup) video.getParent()).removeView(video);
}
remoteVideoView.addView(video, new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT));
// TextView remoteNameTextView = new TextView(this);
// TextView tv = (TextView) singleRemoteView.findViewById(R.id.user_name);
// ViewGroup.LayoutParams params = tv.getLayoutParams();
// remoteNameTextView.setLayoutParams(params);
// remoteNameTextView.setTextAppearance(this, R.style.rc_voip_text_style_style);
// UserInfo userInfo = RongContext.getInstance().getUserInfoFromCache(userId);
// if (userInfo != null) {
// remoteNameTextView.setText(userInfo.getName());
// } else {
// remoteNameTextView.setText(userId);
// }
// remoteVideoView.addView(remoteNameTextView);
remoteVideoView.setVisibility(View.VISIBLE);
remoteVideoView.setTag(userId);
}
@Override
protected void onPause() {
super.onPause();
Log.v(TAG, "onPause()");
if (handler != null) {
handler.quitSynchronously();
handler = null;
}
cameraManager.closeDriver();
if (!hasSurface) {
SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
SurfaceHolder surfaceHolder = surfaceView.getHolder();
surfaceHolder.removeCallback(this);
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Set up a full-screen black window.
requestWindowFeature(Window.FEATURE_NO_TITLE);
Window window = getWindow();
window.setFlags(
WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
window.setBackgroundDrawableResource(android.R.color.black);
setContentView(R.layout.activity_live_stuff);
// Configure the view that renders live video.
SurfaceView surfaceView =
(SurfaceView) findViewById(R.id.surfaceView);
_surfaceHolder = surfaceView.getHolder();
_surfaceHolder.addCallback(this);
_surfaceHolder.setFixedSize(320, 240);
}
/**
* 初始化照相机和surfaceView，使zxing不断尝试从摄像头获取照片并解码
* 本方法在Activity的onResume中，以及在扫描功能被关闭后需要再次开启时调用
*/
private void initZXingCamera() {
SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
SurfaceHolder surfaceHolder = surfaceView.getHolder();
if (hasSurface) {
initCamera(surfaceHolder);
} else {
surfaceHolder.addCallback(this);
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
decodeFormats = null;
characterSet = null;
playBeep = true;
AudioManager audioService = (AudioManager) getSystemService(AUDIO_SERVICE);
if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL) {
playBeep = false;
}
vibrate = true;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(getContentViewId());
mSurfaceView = (SurfaceView) findViewById(R.id.playMovie_surface);
mSurfaceView.getHolder().addCallback(this);
// Populate file-selection spinner.
Spinner spinner = (Spinner) findViewById(R.id.playMovieFile_spinner);
// Need to create one of these fancy ArrayAdapter thingies, and specify the generic layout
// for the widget itself.
mMovieFiles = MiscUtils.getFiles(getFilesDir(), "*.mp4");
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_spinner_item, mMovieFiles);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
// Apply the adapter to the spinner.
spinner.setAdapter(adapter);
spinner.setOnItemSelectedListener(this);
updateControls();
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
setContentView(R.layout.surface_view);
/** View for OpenCV **/
mOpenCvCameraView = (OGView) findViewById(R.id.tutorial3_activity_java_surface_view);
mOpenCvCameraView.setVisibility(SurfaceView.VISIBLE);
mOpenCvCameraView.setCvCameraViewListener(this);
/** Gesture for Glass **/
mGestureDetector = new GestureDetector(this, this);
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
Log.i(TAG, "called onCreate");
super.onCreate(savedInstanceState);
// Load ndk built module, as specified
// in moduleName in build.gradle
System.loadLibrary("native");
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
setContentView(R.layout.activity_main);
mOpenCvCameraView = (CameraBridgeViewBase) findViewById(R.id.camera_view);
mOpenCvCameraView.setVisibility(SurfaceView.VISIBLE);
mOpenCvCameraView.setCvCameraViewListener(this);
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
Log.d(TAG, "surfaceCreated holder=" + holder);
File outputFile = new File(getFilesDir(), "fbo-gl-recording.mp4");
SurfaceView sv = (SurfaceView) findViewById(R.id.fboActivity_surfaceView);
mRenderThread = new RenderThread(sv.getHolder(), new ActivityHandler(this), outputFile,
MiscUtils.getDisplayRefreshNsec(this));
mRenderThread.setName("RecordFBO GL render");
mRenderThread.start();
mRenderThread.waitUntilReady();
mRenderThread.setRecordMethod(mSelectedRecordMethod);
RenderHandler rh = mRenderThread.getHandler();
if (rh != null) {
rh.sendSurfaceCreated();
}
// start the draw events
Choreographer.getInstance().postFrameCallback(this);
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
mSurfaceView = (SurfaceView) view.findViewById(R.id.surface);
mSurface = mSurfaceView.getHolder().getSurface();
mButtonToggle = (Button) view.findViewById(R.id.toggle);
mButtonToggle.setOnClickListener(this);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
requestWindowFeature(Window.FEATURE_NO_TITLE);
mSurfaceView = new SurfaceView(this);
mSurfaceView.setOnClickListener(this);
setContentView(mSurfaceView);
}
public SurfaceViewPlayer(Context context) {
super(context);
mLayout = (FrameLayout)((Activity)context).findViewById(R.id.player);
mSurfaceView = (SurfaceView)((Activity)context).findViewById(R.id.surface_view);
// add surface holder callback
SurfaceHolder holder = mSurfaceView.getHolder();
holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
holder.addCallback(this);
}
private void findViews() {
downloadLayout = findViewById(R.id.layoutDownload);
downloadProgressBackground = findViewById(R.id.downloadProgressBackground);
downloadProgressForeground = findViewById(R.id.downloadProgressForeground);
downloadProgressText = (TextView) findViewById(R.id.downloadProgressText);
videoIcon = findViewById(R.id.videoIcon);
surfaceView = (SurfaceView) findViewById(R.id.videoView);
surfaceHolder = surfaceView.getHolder();
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
surfaceHolder.addCallback(this);
playTimeTextView = (TextView) findViewById(R.id.lblVideoTimes);
playTimeTextView.setVisibility(View.INVISIBLE);
fileInfoTextView = (TextView) findViewById(R.id.lblVideoFileInfo);
playTimeTextView.setVisibility(View.INVISIBLE);
downloadBtn = (ImageView) findViewById(R.id.control_download_btn);
downloadBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (downloading) {
stopDownload();
} else {
download();
}
downloadBtn.setImageResource(downloading ? R.drawable.nim_icon_download_pause : R.drawable.nim_icon_download_resume);
}
});
actionBar = getSupportActionBar();
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_map);
surfaceView = (SurfaceView) findViewById(R.id.activity_map_surfaceView);
resetBtn = (ImageButton) findViewById(R.id.activity_map_reset);
zoomBtn = (ImageButton) findViewById(R.id.activity_map_zoom);
}
public CameraSourcePreview(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
mStartRequested = false;
mSurfaceAvailable = false;
mSurfaceView = new SurfaceView(context);
mSurfaceView.getHolder().addCallback(new SurfaceCallback());
addView(mSurfaceView);
}
private static void prepareViewHierarchyForScreenshot(View view, boolean takingScreenshot) {
if (view instanceof ViewGroup) {
ViewGroup viewGroup = (ViewGroup) view;
for (int i = 0; i < viewGroup.getChildCount(); i++) {
prepareViewHierarchyForScreenshot(viewGroup.getChildAt(i), takingScreenshot);
}
} else if (view instanceof SurfaceView) {
view.setWillNotDraw(!takingScreenshot);
}
}
/**
* 重新启动扫描
*/
public void restartCamera() {
SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
SurfaceHolder surfaceHolder = surfaceView.getHolder();
initCamera(surfaceHolder);
if (handler != null) {
handler.restartPreviewAndDecode();
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (!LibsChecker.checkVitamioLibs(this))
return;
setContentView(R.layout.subtitle1);
tv = (TextView) findViewById(R.id.sub1);
splayer = (SurfaceView) findViewById(R.id.surface);
sholder = splayer.getHolder();
sholder.setFormat(PixelFormat.RGBA_8888);
sholder.addCallback(this);
}
private void changePlayerSize(int pictureWidth, int pictureHeight) {
View root = findViewById(R.id.root);
SurfaceView surfaceView = findViewById(R.id.surface_view);
Size changeSize;
Size viewSize = new Size(root.getWidth(), root.getHeight());
changeSize = calculateViewSize(pictureWidth, pictureHeight, viewSize);
ViewGroup.LayoutParams layoutParams = surfaceView.getLayoutParams();
layoutParams.width = changeSize.getWidth();
layoutParams.height = changeSize.getHeight();
surfaceView.setLayoutParams(layoutParams);
}
/**
* Opens the camera and starts sending preview frames to the underlying detector. The preview
* frames are not displayed.
*
* @throws IOException if the camera's preview texture or display could not be initialized
*/
@RequiresPermission(Manifest.permission.CAMERA)
public CameraSource start() throws IOException {
synchronized (mCameraLock) {
if (mCamera != null) {
return this;
}
mCamera = createCamera();
// SurfaceTexture was introduced in Honeycomb (11), so if we are running and
// old version of Android. fall back to use SurfaceView.
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
mDummySurfaceTexture = new SurfaceTexture(DUMMY_TEXTURE_NAME);
mCamera.setPreviewTexture(mDummySurfaceTexture);
} else {
mDummySurfaceView = new SurfaceView(mContext);
mCamera.setPreviewDisplay(mDummySurfaceView.getHolder());
}
mCamera.startPreview();
mProcessingThread = new Thread(mFrameProcessor);
mFrameProcessor.setActive(true);
mProcessingThread.start();
}
return this;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mFrame = (LinearLayout) findViewById(R.id.frame);
// Disable touches on mFrame
mFrame.setEnabled(false);
// Setup touch listener for taking pictures
mFrame.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
// Only respond to ACTION_UP
if (event.getActionMasked() == (MotionEvent.ACTION_UP)) {
// Take picture
// Pass in shutterCallback and PictureCallback Objects
mCamera.takePicture(mShutterCallback, null,
mPictureCallback);
}
return true;
}
});
// Setup SurfaceView for previewing camera image
SurfaceView surfaceView = (SurfaceView) findViewById(R.id.cameraView);
// Get SurfaceHolder for accessing the SurfaceView's Surface
mSurfaceHolder = surfaceView.getHolder();
// Set callback Object for the SurfaceHolder
mSurfaceHolder.addCallback(mSurfaceHolderCallback);
}
@Override
protected void onResume() {
super.onResume();
Log.v(TAG, "onResume()");
// CameraManager must be initialized here, not in onCreate().
if (cameraManager == null) cameraManager = new CameraManager(getApplication());
if (viewfinderView == null) {
viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
viewfinderView.setCameraManager(cameraManager);
}
showScanner();
SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
SurfaceHolder surfaceHolder = surfaceView.getHolder();
if (hasSurface) {
// The activity was paused but not stopped, so the surface still
// exists. Therefore
// surfaceCreated() won't be called, so init the camera here.
initCamera(surfaceHolder);
} else {
// Install the callback and wait for surfaceCreated() to init the
// camera.
surfaceHolder.addCallback(this);
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
}
/**
* onClick handler for radio buttons.
*/
public void onRadioButtonClicked(View view) {
int newSize;
RadioButton rb = (RadioButton) view;
if (!rb.isChecked()) {
Log.d(TAG, "Got click on non-checked radio button");
return;
}
switch (rb.getId()) {
case R.id.surfaceSizeTiny_radio:
newSize = SURFACE_SIZE_TINY;
break;
case R.id.surfaceSizeSmall_radio:
newSize = SURFACE_SIZE_SMALL;
break;
case R.id.surfaceSizeMedium_radio:
newSize = SURFACE_SIZE_MEDIUM;
break;
case R.id.surfaceSizeFull_radio:
newSize = SURFACE_SIZE_FULL;
break;
default:
throw new RuntimeException("Click from unknown id " + rb.getId());
}
mSelectedSize = newSize;
int[] wh = mWindowWidthHeight[newSize];
// Update the Surface size. This causes a "surface changed" event, but does not
// destroy and re-create the Surface.
SurfaceView sv = (SurfaceView) findViewById(R.id.hardwareScaler_surfaceView);
SurfaceHolder sh = sv.getHolder();
Log.d(TAG, "setting size to " + wh[0] + "x" + wh[1]);
sh.setFixedSize(wh[0], wh[1]);
}
@Override
public void onRemoteUserLeft(String userId, RongCallCommon.CallDisconnectedReason reason) {
//incoming状态，localViewUserId为空
if (localViewUserId == null)
return;
if (localViewUserId.equals(userId)) {
localViewContainer.removeAllViews();
String currentUserId = RongIMClient.getInstance().getCurrentUserId();
FrameLayout remoteVideoView = (FrameLayout) remoteViewContainer.findViewWithTag(currentUserId);
localView = (SurfaceView) remoteVideoView.getChildAt(0);
remoteVideoView.removeAllViews();
localViewContainer.addView(localView);
TextView topUserNameView = (TextView) topContainer.findViewById(R.id.rc_voip_user_name);
UserInfo userInfo = RongContext.getInstance().getUserInfoFromCache(currentUserId);
if (userInfo != null) {
topUserNameView.setText(userInfo.getName());
} else {
topUserNameView.setText(currentUserId);
}
localViewUserId = currentUserId;
}
View singleRemoteView = remoteViewContainer.findViewWithTag(userId + "view");
if (singleRemoteView == null)
return;
LinearLayout container = (LinearLayout) singleRemoteView.getParent();
container.removeView(singleRemoteView);
if (container.equals(remoteViewContainer2)) {
if (remoteViewContainer1.getChildCount() > 0) {
View childView = remoteViewContainer1.getChildAt(0);
remoteViewContainer1.removeView(childView);
remoteViewContainer2.addView(childView);
}
}
}
private void initView(Context context) {
Log.d(TAG, "initView()");
this.setBackgroundColor(this.getResources().getColor(
android.R.color.black));
SurfaceView view = new SurfaceView(context);
view.setWillNotDraw(false);
this.addView(view, 0);
SurfaceHolder holder = view.getHolder();
holder.addCallback(this);
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
Log.i(TAG, "called onCreate");
super.onCreate(savedInstanceState);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
setContentView(R.layout.activity_tutorial1);
mOpenCvCameraView = (CameraBridgeViewBase) findViewById(R.id.tutorial1_activity_java_surface_view);
mOpenCvCameraView.setVisibility(SurfaceView.VISIBLE);
mOpenCvCameraView.setCvCameraViewListener(this);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
setContentView(R.layout.activity_main);
validateCameraPermission();
classifier = initClassifier();
imageSaver = new ImageSaver();
imageSaver.createFolderIfNotExist();
mOpenCvCameraView= findViewById(R.id.cameraView1);
mOpenCvCameraView.setVisibility(SurfaceView.VISIBLE);
mOpenCvCameraView.setCvCameraViewListener(this);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
EncryptSetupManager.getInstance();
LogUtil.d(TAG, "onCreate");
mTimeCarlifeStart = SystemClock.elapsedRealtime();
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_main);
mRootView = (ViewGroup) findViewById(R.id.main_root_view);
PreferenceUtil.getInstance().init(this);
mCarLifeFragmentManager = new CarLifeFragmentManager(this);
// initialize basefragment, must be called before using it's subclass
BaseFragment.initBeforeAll(this);
mCarLifeFragmentManager.showFragment(LaunchFragment.getInstance());
mSurfaceView = (SurfaceView) findViewById(R.id.main_video_surface_view);
mSurfaceView.getHolder().addCallback(this);
mMainActivityHandler = new MsgMainActivityHandler();
mLocationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
MsgHandlerCenter.registerMessageHandler(mMainActivityHandler);
ErrorCodeReport.getInterface().init(this);
mMainActivityHandler.sendEmptyMessageDelayed(CommonParams.MSG_CONNECT_INIT, 500);
ControlTestWindow.getInstance().init(this, mRootView);
SettingAboutWindow.getInstance().init(this, mRootView);
initLaunchMode(getIntent());
mTimeCarlifeInit = SystemClock.elapsedRealtime();
LogUtil.d(TAG, "-QA_Test- OnCreate_InitTime = " + (mTimeCarlifeInit - mTimeCarlifeStart));
DebugLogUtil.getInstance().init(this);
}
EglSurface(final EGLBase egl, final Object surface) {
if (DEBUG) Log.v(TAG, "EglSurface:");
if (!(surface instanceof SurfaceView)
&& !(surface instanceof Surface)
&& !(surface instanceof SurfaceHolder)
&& !(surface instanceof SurfaceTexture))
throw new IllegalArgumentException("unsupported surface");
mEgl = egl;
mEglSurface = mEgl.createWindowSurface(surface);
mWidth = mEgl.querySurface(mEglSurface, EGL14.EGL_WIDTH);
mHeight = mEgl.querySurface(mEglSurface, EGL14.EGL_HEIGHT);
if (DEBUG) Log.v(TAG, String.format("EglSurface:size(%d,%d)", mWidth, mHeight));
}
public CameraSourcePreview(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
mStartRequested = false;
mSurfaceAvailable = false;
mSurfaceView = new SurfaceView(context);
mSurfaceView.getHolder().addCallback(new SurfaceCallback());
addView(mSurfaceView);
}
/**
* Stop scanning for a barcode, and release the camera
*/
private void stopScanningForBarcode() {
if (mDecoderActivityHandler != null) {
mDecoderActivityHandler.quitSynchronously();
mDecoderActivityHandler = null;
}
mCameraManager.closeDriver();
if (!mHasSurface) {
final SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
final SurfaceHolder surfaceHolder = surfaceView.getHolder();
surfaceHolder.removeCallback(this);
}
}