Android之提示Invalid Region.Op - only INTERSECT and DIFFERENCE are allowed

1 問題

02-28 22:44:33.031  7379  7379 E AndroidRuntime: java.lang.IllegalArgumentException: Invalid Region.Op - only INTERSECT and DIFFERENCE are allowed
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.graphics.Canvas.checkValidClipOp(Canvas.java:779)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.graphics.Canvas.clipPath(Canvas.java:1007)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at com.onemt.picture.lib.decoration.FolderItemDecoration.onDraw(FolderItemDecoration.java:61)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at androidx.recyclerview.widget.RecyclerView.onDraw(RecyclerView.java:4284)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.View.draw(View.java:20617)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at androidx.recyclerview.widget.RecyclerView.draw(RecyclerView.java:4219)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.View.updateDisplayListIfDirty(View.java:19449)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.View.draw(View.java:20330)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.ViewGroup.drawChild(ViewGroup.java:4508)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.ViewGroup.dispatchDraw(ViewGroup.java:4264)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.View.updateDisplayListIfDirty(View.java:19440)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.View.draw(View.java:20330)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.ViewGroup.drawChild(ViewGroup.java:4508)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.ViewGroup.dispatchDraw(ViewGroup.java:4264)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.View.updateDisplayListIfDirty(View.java:19440)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.ThreadedRenderer.updateViewTreeDisplayList(ThreadedRenderer.java:690)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.ThreadedRenderer.updateRootDisplayList(ThreadedRenderer.java:696)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.ThreadedRenderer.draw(ThreadedRenderer.java:805)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.ViewRootImpl.draw(ViewRootImpl.java:3975)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:3750)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:3046)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1815)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:8228)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1048)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.Choreographer.doCallbacks(Choreographer.java:860)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.Choreographer.doFrame(Choreographer.java:792)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1034)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.os.Handler.handleCallback(Handler.java:873)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.os.Handler.dispatchMessage(Handler.java:99)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.os.Looper.loop(Looper.java:226)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at android.app.ActivityThread.main(ActivityThread.java:7212)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at java.lang.reflect.Method.invoke(Native Method)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:576)
02-28 22:44:33.031  7379  7379 E AndroidRuntime:        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:956)

 

 

 

 

2 解決辦法

        if (Build.VERSION.SDK_INT >= 28) {
            canvas.clipPath(path);
        } else {
            canvas.clipPath(path, Region.Op.XOR);
        }