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yuyashuai / FrameAnimation

High-Performance Frame Animation Library For Android

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关于动画执行过程，home键退出再次进入时，报错

pys200603027 opened this issue · comments

commented 
11-21 12:50:54.120 4760-4832/com.yuyashuai.surfaceviewanimation E/SurfaceHolder: Exception locking surface
                                                                                 java.lang.IllegalArgumentException: Surface was already locked
                                                                                     at android.view.Surface.lockCanvas(Surface.java:262)
                                                                                     at android.view.SurfaceView$4.internalLockCanvas(SurfaceView.java:826)
                                                                                     at android.view.SurfaceView$4.lockCanvas(SurfaceView.java:794)
                                                                                     at com.yuyashuai.surfaceanimation.SurfaceViewAnimation$MyCallBack.clearSurface(SurfaceViewAnimation.java:324)
                                                                                     at com.yuyashuai.surfaceanimation.SurfaceViewAnimation$MyCallBack.drawBitmap(SurfaceViewAnimation.java:307)
                                                                                     at com.yuyashuai.surfaceanimation.SurfaceViewAnimation$MyCallBack.access$1600(SurfaceViewAnimation.java:261)
                                                                                     at com.yuyashuai.surfaceanimation.SurfaceViewAnimation$MyCallBack$1.run(SurfaceViewAnimation.java:345)
11-21 12:50:54.220 4760-4832/com.yuyashuai.surfaceviewanimation E/AndroidRuntime: FATAL EXCEPTION: Thread-3543
                                                                                  Process: com.yuyashuai.surfaceviewanimation, PID: 4760
                                                                                  java.lang.NullPointerException: Attempt to invoke virtual method 'void android.graphics.Canvas.drawColor(int, android.graphics.PorterDuff$Mode)' on a null object reference
                                                                                      at com.yuyashuai.surfaceanimation.SurfaceViewAnimation$MyCallBack.clearSurface(SurfaceViewAnimation.java:326)
                                                                                      at com.yuyashuai.surfaceanimation.SurfaceViewAnimation$MyCallBack.drawBitmap(SurfaceViewAnimation.java:307)
                                                                                      at com.yuyashuai.surfaceanimation.SurfaceViewAnimation$MyCallBack.access$1600(SurfaceViewAnimation.java:261)
                                                                                      at com.yuyashuai.surfaceanimation.SurfaceViewAnimation$MyCallBack$1.run(SurfaceViewAnimation.java:345)
commented

没有考虑到SurfaceView进入后台的情况，最近我会尽力补上去，如果不影响你的业务逻辑的话，可以暂时在Activity的onPause方法中判断，如果动画在执行调用anmation.stop()方法防止这种crash

commented

好的，surfaceview的销毁带来了一些不方便，比如

  1. 后台时会执行onDestroy
  2. 锁屏的时候不会执行onDestroy

onPause我试试,感谢作者的热心