<https://lh3.googleusercontent.com/-wCUCByhDzNo/Vq9v8QBMX5I/AAAAAAAAXYQ/NOTgJDtYlSE/s1600/Screenshot_1.png> <openClass:android.support.design.widget.CoordinatorLayout> <runnable:0> <refreshRender> <openClass:android.support.design.widget.AppBarLayout> <runnable:1> <refreshRender> <http://developer.android.com/reference/android/view/View.html#isInEditMode()> <runnable:2> <openClass:android.support.design.widget.CoordinatorLayout> <runnable:0> <refreshRender> <openClass:android.support.design.widget.AppBarLayout> <runnable:1> <refreshRender> and here is exception detail :O java.lang.IllegalArgumentException: You need to use a Theme.AppCompat theme (or descendant) with the design library. at android.support.design.widget.ThemeUtils.checkAppCompatTheme(ThemeUtils.java:34) at android.support.design.widget.CoordinatorLayout.<init>(CoordinatorLayout.java:178) at android.support.design.widget.CoordinatorLayout.<init>(CoordinatorLayout.java:172) 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:458) at org.jetbrains.android.uipreview.ViewLoader.loadClass(ViewLoader.java:170) at org.jetbrains.android.uipreview.ViewLoader.loadView(ViewLoader.java:103) at com.android.tools.idea.rendering.LayoutlibCallbackImpl.loadView(LayoutlibCallbackImpl.java:168) at com.android.layoutlib.bridge.android.BridgeInflater.loadCustomView(BridgeInflater.java:205) at com.android.layoutlib.bridge.android.BridgeInflater.createViewFromTag(BridgeInflater.java:133) at android.view.LayoutInflater.inflate(LayoutInflater.java:385) at android.view.LayoutInflater.inflate(LayoutInflater.java:296) at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:279) at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:318) at com.android.ide.common.rendering.LayoutLibrary.createSession(LayoutLibrary.java:350) at com.android.tools.idea.rendering.RenderTask$2.compute(RenderTask.java:510) at com.android.tools.idea.rendering.RenderTask$2.compute(RenderTask.java:498) at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:888) at com.android.tools.idea.rendering.RenderTask.createRenderSession(RenderTask.java:498) at com.android.tools.idea.rendering.RenderTask.access$600(RenderTask.java:72) at com.android.tools.idea.rendering.RenderTask$3.call(RenderTask.java:610) at com.android.tools.idea.rendering.RenderTask$3.call(RenderTask.java:607) at com.android.tools.idea.rendering.RenderService.runRenderAction(RenderService.java:362) at com.android.tools.idea.rendering.RenderTask.render(RenderTask.java:607) at com.android.tools.idea.rendering.RenderTask.render(RenderTask.java:629) at com.intellij.android.designer.designSurface.AndroidDesignerEditorPanel$6.run(AndroidDesignerEditorPanel.java:480) at com.intellij.util.ui.update.MergingUpdateQueue.execute(MergingUpdateQueue.java:320) at com.intellij.util.ui.update.MergingUpdateQueue.execute(MergingUpdateQueue.java:310) at com.intellij.util.ui.update.MergingUpdateQueue$2.run(MergingUpdateQueue.java:254) at com.intellij.util.ui.update.MergingUpdateQueue.flush(MergingUpdateQueue.java:269) at com.intellij.util.ui.update.MergingUpdateQueue.flush(MergingUpdateQueue.java:227) at com.intellij.util.ui.update.MergingUpdateQueue.run(MergingUpdateQueue.java:217) at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238) at com.intellij.util.Alarm$Request$1.run(Alarm.java:351) at java.util.concurrent.Executors$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)
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