android studio TextClock 导致 render problem

àì夳堔傛蜴生んèń 2023-03-13 12:19 15阅读 0赞

android studio 3.6 ，今天突然render problem，debug 了半天，尝试了各种方法，后来删掉textClock 就恢复正常

java.lang.NullPointerException
    	at android.content.ContentResolver.registerContentObserver(ContentResolver.java:2263)
    	at android.widget.TextClock.registerObserver(TextClock.java:626)
    	at android.widget.TextClock.onAttachedToWindow(TextClock.java:545)
    	at android.view.View.dispatchAttachedToWindow(View.java:19575)
    	at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3437)
    	at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3437)
    	at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3437)
    	at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3437)
    	at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3437)
    	at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3437)
    	at android.view.AttachInfo_Accessor.setAttachInfo(AttachInfo_Accessor.java:42)
    	at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:335)
    	at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:396)
    	at com.android.tools.idea.layoutlib.LayoutLibrary.createSession(LayoutLibrary.java:209)
    	at com.android.tools.idea.rendering.RenderTask.createRenderSession(RenderTask.java:608)
    	at com.android.tools.idea.rendering.RenderTask.lambda$inflate$6(RenderTask.java:734)
    	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    	at java.lang.Thread.run(Thread.java:748)

![在这里插入图片描述][20200513164124485.png]

#### 解决方法 ####

貌似是3.6的通病，在stackflow 和百度逛了很久没找到解决方案，但是可以先注释掉textClock相关的控件，等最终要运行时，再将textClock的注释去掉。不影响运行

[20200513164124485.png]: /images/20230312/2d118a24b3b140c6bcf774651c02751b.png