java.lang.NullPointerException
at android.graphics.Canvas_Delegate.restoreTo(Canvas_Delegate.java:1069)
at android.graphics.Canvas_Delegate.native_restoreToCount(Canvas_Delegate.java:249)
at android.graphics.Canvas.native_restoreToCount(Canvas.java)
at android.graphics.Canvas.restoreToCount(Canvas.java:566)
at android.view.View.draw(View.java:16115)
at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3609)
at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61)
at android.view.ViewGroup.drawChild(ViewGroup.java:3609)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3399)
at android.view.View.draw(View.java:16088)
at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3609)
at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61)
at android.view.ViewGroup.drawChild(ViewGroup.java:3609)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3399)
at android.view.View.draw(View.java:16088)
at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3609)
at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61)
at android.view.ViewGroup.drawChild(ViewGroup.java:3609)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3399)
at android.view.View.draw(View.java:16181)
at com.android.layoutlib.bridge.impl.RenderSessionImpl.render(RenderSessionImpl.java:455)
at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:428)
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)
java.lang.NullPointerException at android.graphics.Canvas_Delegate.restoreTo(Canvas_Delegate.java:1069) at android.graphics.Canvas_Delegate.native_restoreToCount(Canvas_Delegate.java:249) at android.graphics.Canvas.native_restoreToCount(Canvas.java) at android.graphics.Canvas.restoreToCount(Canvas.java:566) at android.view.View.draw(View.java:16115) at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3609) at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61) at android.view.ViewGroup.drawChild(ViewGroup.java:3609) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3399) at android.view.View.draw(View.java:16088) at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3609) at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61) at android.view.ViewGroup.drawChild(ViewGroup.java:3609) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3399) at android.view.View.draw(View.java:16088) at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3609) at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61) at android.view.ViewGroup.drawChild(ViewGroup.java:3609) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3399) at android.view.View.draw(View.java:16181) at com.android.layoutlib.bridge.impl.RenderSessionImpl.render(RenderSessionImpl.java:455) at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:428) 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)