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via GitHub by FroMage
, 1 year ago
This exception has no message.
via Stack Overflow by user5850753
, 2 years ago
java.lang.NullPointerException: 	at android.support.v7.app.WindowDecorActionBar.getDecorToolbar(WindowDecorActionBar.java:241)	at android.support.v7.app.WindowDecorActionBar.init(WindowDecorActionBar.java:197)	at android.support.v7.app.WindowDecorActionBar.(WindowDecorActionBar.java:189)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)	at org.jetbrains.android.uipreview.ViewLoader.createNewInstance(ViewLoader.java:465)	at org.jetbrains.android.uipreview.ViewLoader.loadClass(ViewLoader.java:172)	at org.jetbrains.android.uipreview.ViewLoader.loadView(ViewLoader.java:105)	at com.android.tools.idea.rendering.LayoutlibCallbackImpl.loadView(LayoutlibCallbackImpl.java:176)	at com.android.layoutlib.bridge.bars.AppCompatActionBar.(AppCompatActionBar.java:89)	at com.android.layoutlib.bridge.impl.Layout.createActionBar(Layout.java:237)	at com.android.layoutlib.bridge.impl.Layout.(Layout.java:151)	at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:213)	at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:426)	at com.android.ide.common.rendering.LayoutLibrary.createSession(LayoutLibrary.java:350)	at com.android.tools.idea.rendering.RenderTask$2.compute(RenderTask.java:520)	at com.android.tools.idea.rendering.RenderTask$2.compute(RenderTask.java:508)	at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:967)	at com.android.tools.idea.rendering.RenderTask.createRenderSession(RenderTask.java:508)	at com.android.tools.idea.rendering.RenderTask.access$600(RenderTask.java:75)	at com.android.tools.idea.rendering.RenderTask$3.call(RenderTask.java:620)	at com.android.tools.idea.rendering.RenderTask$3.call(RenderTask.java:617)	at com.android.tools.idea.rendering.RenderService.runRenderAction(RenderService.java:371)	at com.android.tools.idea.rendering.RenderTask.render(RenderTask.java:617)	at com.android.tools.idea.rendering.RenderTask.render(RenderTask.java:639)	at org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowManager.doRender(AndroidLayoutPreviewToolWindowManager.java:654)	at org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowManager.access$1700(AndroidLayoutPreviewToolWindowManager.java:82)	at org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowManager$7$1.run(AndroidLayoutPreviewToolWindowManager.java:596)	at com.intellij.openapi.progress.impl.CoreProgressManager$2.run(CoreProgressManager.java:142)	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:446)	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:392)	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:54)	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:127)	at org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowManager$7.run(AndroidLayoutPreviewToolWindowManager.java:591)	at com.intellij.util.ui.update.MergingUpdateQueue.execute(MergingUpdateQueue.java:337)	at com.intellij.util.ui.update.MergingUpdateQueue.execute(MergingUpdateQueue.java:327)	at com.intellij.util.ui.update.MergingUpdateQueue$3.run(MergingUpdateQueue.java:271)	at com.intellij.util.ui.update.MergingUpdateQueue.flush(MergingUpdateQueue.java:286)	at com.intellij.util.ui.update.MergingUpdateQueue.flush(MergingUpdateQueue.java:244)	at com.intellij.util.ui.update.MergingUpdateQueue.run(MergingUpdateQueue.java:234)	at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238)	at com.intellij.util.Alarm$Request$1.run(Alarm.java:352)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)