java.lang.IllegalArgumentException

You need to use a Theme.AppCompat theme (or descendant) with the design library.

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Stack trace

  • 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:36) at android.support.design.widget.CoordinatorLayout.<init>(CoordinatorLayout.java:192) at android.support.design.widget.CoordinatorLayout.<init>(CoordinatorLayout.java:186) 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:423) 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:186) at android.view.BridgeInflater.loadCustomView(BridgeInflater.java:334) at android.view.BridgeInflater.loadCustomView(BridgeInflater.java:345) at android.view.BridgeInflater.createViewFromTag(BridgeInflater.java:245) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:727) at android.view.LayoutInflater.inflate(LayoutInflater.java:495) at android.view.LayoutInflater.inflate(LayoutInflater.java:397) at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:324) at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:429) at com.android.ide.common.rendering.LayoutLibrary.createSession(LayoutLibrary.java:389) at com.android.tools.idea.rendering.RenderTask$2.compute(RenderTask.java:548) at com.android.tools.idea.rendering.RenderTask$2.compute(RenderTask.java:533) at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:966) at com.android.tools.idea.rendering.RenderTask.createRenderSession(RenderTask.java:533) at com.android.tools.idea.rendering.RenderTask.lambda$inflate$72(RenderTask.java:659) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745)

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