surfaceChanged也会设置为true if (mWindowAttributesChanged) { mWindowAttributesChanged = false...; surfaceChanged = true; params = lp; } 当surfaceChanged设置为true时,以下这段代码会调用...if (surfaceChanged) { mSurfaceHolderCallback.surfaceChanged(mSurfaceHolder,...winAnimator.destroySurfaceLocked(); toBeDisplayed = true; surfaceChanged...win.mHasSurface) { surfaceChanged = true; }
Surface surface = surfaceHolder.getSurface() ; ② 将 Surface 对象传递到 Native 层 : 在 SurfaceHolder.Callback 接口的 surfaceChanged...实现方法中 , 将 Surface 画布传递给 Native 层 ; @Override public void surfaceChanged(SurfaceHolder holder, int format...获取 Surface 画布 : 在 surfaceChanged 回调方法中 , 获取 Surface 画布 , 这样可以保证在横竖屏切换时可以实时获取到最新画布 ; @Override...public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { //画布改变...(holder.getSurface()) , 将画布传递到 Surface 层 ; @Override public void surfaceChanged(SurfaceHolder
} 编译时报错如下 : Class 'Xxx' is not abstract and does not implement abstract member public abstract fun surfaceChanged...286 个错误 , 今天逐个解决上述编译错误 ; 二、解决方案 ---- 错误分析 : 报错位置是 SurfaceView , 报错的大概含义是没有实现 public abstract fun surfaceChanged..., 否则之前的编译早就报错了 , 还是 Kotlin 的可空参数问题 ; 下面是开发该 SurfaceView 时 , Android Studio 中自动生成的代码 , override fun surfaceChanged
surfaceCreated(SurfaceHolder holder) {} 2 public void surfaceDestroyed(SurfaceHolder holder) {} 3 public void surfaceChanged...(SurfaceHolder holder, int format, int width, int height) {} 我们在surfaceCreated 方法里面初始化游戏, 在surfaceChanged...Exception e){ } } @Override public void surfaceDestroyed(SurfaceHolder holder) { } @Override public void surfaceChanged
void surfaceChanged(@NonNull Surface surface, int width, int height); ///< 渲染缓存变更分辨率。...public void surfaceChanged(@NonNull Surface surface, int width, int height) { mSurfaceWidth...在 KFRenderListener 的 surfaceChanged 回调中通知 Surface 变更。...= null) { mListener.surfaceChanged(surfaceHolder.getSurface(),width,height); }...= null) { mListener.surfaceChanged(mSurface,width,height); } } @Override
解锁画布 更新提交屏幕显示内容 remote_holder.unlockCanvasAndPost(c); } @Override public void surfaceChanged(SurfaceHolder...holder, int format, int width, int height) { /** * Log.d(TAG,"remote_holder surfaceChanged width"+ width...(c); */} @Override public void surfaceDestroyed(SurfaceHolder holder) { } });// 自动运行surfaceCreated以及surfaceChanged...解锁画布 更新提交屏幕显示内容 holder.unlockCanvasAndPost(c); } @Override public void surfaceChanged(SurfaceHolder holder..., int format, int width, int height) { /** * Log.d(TAG,"local_holder surfaceChanged width"+ width+"height
根据当前旋转的角度修改生成图像的角度 记得当时有三个重写的参数surfaceCreated,surfaceChanged和surfaceDestoryed,其中我们在surfaceCreated中加入了打开...Camera,在surfaceDestoryed中加入了关闭Camera,而surfaceChanged中什么也没写,这次这个方法就被我们用到了。...@Override public void surfaceChanged(SurfaceHolder surfaceHolder, int i, int i1, int i2) {...surfaceHolder) { //开启摄像机 startCamera(mCameraIndex); } @Override public void surfaceChanged
重写方法:surfaceChanged:surface大小或格式发生变化时触发,在surfaceCreated调用后该函数至少会被调用一次。...SurfaceHolder SurfaceHolder回调自己的三个生命周期: surfaceCreated(SurfaceHolder holder)创建时 surfaceChanged(SurfaceHolder...else if (holder == surfaceView_danmuHolder) { new MyDanMuThread().start(); } } @Override public void surfaceChanged...public void surfaceCreated(SurfaceHolder holder) { new MyThread().start(); } @Override public void surfaceChanged
holder.addCallback(this); // 添加回调方法 myThread = new MyThread(holder); // 创建处理绘图的线程 } @Override public void surfaceChanged...MyView extends SurfaceView implements SurfaceHolder.Callback { @Override public void surfaceChanged
启动线程 } /** * 当SurfaceView的视图发生改变的时候,调用此函数 */ @Override public void surfaceChanged...SurfaceView,然后实现Runnable和Callback接口 重写了Runnable的run方法和Callback的surfaceCreated(SurfaceHolder holder),surfaceChanged
2.实现方法 1)实现步骤 a.继承SurfaceView b.实现SurfaceHolder.Callback接口 2)需要重写的方法 public void surfaceChanged... myThread = new MyThread(holder);//创建一个绘图线程 } @Override public void surfaceChanged
@Override public void surfaceCreated(SurfaceHolder holder) { } @Override public void surfaceChanged...SurfaceHolder holder) { mIsDrawing = true; new Thread(this).start(); } @Override public void surfaceChanged
Preview } catch (IOException e) { camera.release();// release camera camera = null; } } public void surfaceChanged...(SurfaceHolder holder, int format, int width, int height) { Log.i(TAG,"====surfaceChanged"); Camera.Parameters
void surfaceCreated(SurfaceHolder holder) { new HuabanThread().start(); } @Override public void surfaceChanged...void surfaceCreated(SurfaceHolder holder) { new HuabanThread().start(); } @Override public void surfaceChanged
SurfaceHolder.Callback,这是个holder用来显示surfaceView 数据的接口,他分别必须实现3个方法 surfaceCreated()这个方法是surface 被创建后调用的 surfaceChanged...e.printStackTrace(); } } } @Override public void surfaceChanged...voerTack() { myCamera.startPreview(); } @Override public void surfaceChanged...voerTack() { myCamera.startPreview(); } @Override public void surfaceChanged...mySurfaceView.setOnClickListener(this); } @Override public void surfaceChanged
Override public void surfaceCreated(SurfaceHolder holder) { } @Override public void surfaceChanged...surfaceCreated(SurfaceHolder holder) { player.setDisplay(holder); } @Override public void surfaceChanged
* @param format * @param width * @param height */ @Override public void surfaceChanged...* @param format * @param width * @param height */ @Override public void surfaceChanged...mPath.moveTo(0, 400); new Thread(this).start(); } @Override public void surfaceChanged...* @param format * @param width * @param height */ @Override public void surfaceChanged
3当我们创建一个SurfaceView(SDLSurface),随后系统会触发surfaceCreated 和 surfaceChanged方法,在这里surfaceChanged比较关键,完成了系统当前的默认像素格式
SurfaceHolder.Callback 回调接口 创建回调接口子类 : Activity 继承 SurfaceHolder.Callback 接口, 实现接口的三个方法 SurfaceCreated(), SurfaceChanged.../** * 在 Surface 大小发生改变的时候回调 * 实现的 SurfaceHolder.Callback 接口方法 */ @Override public void surfaceChanged...(SurfaceHolder arg0, int arg1, int arg2, int arg3) { System.out.println("SurfaceHolder.Callback.surfaceChanged...该接口中的方法 : * -- surfaceChanged() : 在 Surface 大小改变时回调; * -- surfaceCreated() : 在 Surface 创建时回调...(SurfaceHolder arg0, int arg1, int arg2, int arg3) { System.out.println("SurfaceHolder.Callback.surfaceChanged
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