I've got a custom view that I'm trying to get to render in the Preview pane 
of AS (v0.4.4).  Is there a way to print logs or inspect variables for 
Preview mode?

Here's the stacktrace of the issue I'm debugging  I'm attempting to 
calculate the height of a font character using Paint.descent() - 
Paint.ascent():

java.lang.NullPointerException
at android.graphics.Paint_Delegate.descent(Paint_Delegate.java:524)
at android.graphics.Paint.descent(Paint.java)
at 
com.icon.drawable.icon.IconDrawable.getIntrinsicHeight(IconDrawable.java:316)
at 
android.graphics.drawable.DrawableContainer.getIntrinsicHeight(DrawableContainer.java:264)
at android.widget.ImageView.updateDrawable(ImageView.java:715)
at android.widget.ImageView.setImageDrawable(ImageView.java:421)
at com.icon.drawable.icon.IconView.setupDrawable(IconView.java:90)
at com.icon.drawable.icon.IconView.<init>(IconView.java:42)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at 
org.jetbrains.android.uipreview.ViewLoader.createNewInstance(ViewLoader.java:375)
at org.jetbrains.android.uipreview.ViewLoader.loadView(ViewLoader.java:100)
at 
com.android.tools.idea.rendering.ProjectCallback.loadView(ProjectCallback.java:165)
at android.view.BridgeInflater.loadCustomView(BridgeInflater.java:207)
at android.view.BridgeInflater.createViewFromTag(BridgeInflater.java:135)
at android.view.LayoutInflater.rInflate_Original(LayoutInflater.java:755)
at 
android.view.LayoutInflater_Delegate.rInflate(LayoutInflater_Delegate.java:64)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:727)
at android.view.LayoutInflater.rInflate_Original(LayoutInflater.java:758)
at 
android.view.LayoutInflater_Delegate.rInflate(LayoutInflater_Delegate.java:64)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:727)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:373)
at 
com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:399)
at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:336)
at 
com.android.ide.common.rendering.LayoutLibrary.createSession(LayoutLibrary.java:332)
at 
com.android.tools.idea.rendering.RenderService$3.compute(RenderService.java:548)
at 
com.android.tools.idea.rendering.RenderService$3.compute(RenderService.java:537)
at 
com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:929)
at 
com.android.tools.idea.rendering.RenderService.createRenderSession(RenderService.java:537)
at 
com.android.tools.idea.rendering.RenderService.render(RenderService.java:609)
at 
org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowManager.doRender(AndroidLayoutPreviewToolWindowManager.java:575)
at 
org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowManager.access$1700(AndroidLayoutPreviewToolWindowManager.java:81)
at 
org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowManager$6$1.run(AndroidLayoutPreviewToolWindowManager.java:521)
at 
com.intellij.openapi.progress.impl.ProgressManagerImpl$2.run(ProgressManagerImpl.java:178)
at 
com.intellij.openapi.progress.ProgressManager.executeProcessUnderProgress(ProgressManager.java:209)
at 
com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:212)
at 
com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcess(ProgressManagerImpl.java:171)
at 
org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowManager$6.run(AndroidLayoutPreviewToolWindowManager.java:516)
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$1.run(Alarm.java:297)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:695)

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