java.lang.NumberFormatException: Attribute '?colorPrimary' not found. Are you using the right theme?
	at com.android.layoutlib.bridge.impl.ResourceHelper.getColor(ResourceHelper.java:76)
	at android.content.res.BridgeTypedArray.getColorStateList(BridgeTypedArray.java:359)
	at com.pr0gramm.app.ui.views.VoteView.<init>(VoteView.java:60)
	at com.pr0gramm.app.ui.views.VoteView.<init>(VoteView.java:38)
	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:190)
	at android.view.BridgeInflater.loadCustomView(BridgeInflater.java:247)
	at android.view.BridgeInflater.createViewFromTag(BridgeInflater.java:171)
	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
	at android.view.LayoutInflater.rInflate_Original(LayoutInflater.java:835)
	at android.view.LayoutInflater_Delegate.rInflate(LayoutInflater_Delegate.java:70)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:811)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:394)
	at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:223)
	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: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:366)
	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)