工具栏不可见“无法使用CoordinatorLayout制作装饰工具栏”

Question

So the app works fine in android 7.0, but the toolbar is not Visible in android 4.4 kitkat. The toolbar is still there as navigation drawer still opens if user clicks on blank space where hamburger icon should have been.

The render error is there in activity xml file which includes a app_bar_layout xml file where the error is pointing to.

This is the error in XML render issue:

//Exception raised during rendering: Can't make a decor toolbar out of CoordinatorLayout

java.lang.IllegalStateException: Can't make a decor toolbar out of CoordinatorLayout
at android.support.v7.widget.ActionBarOverlayLayout.getDecorToolbar(ActionBarOverlayLayout.java:543)
at android.support.v7.widget.ActionBarOverlayLayout.pullChildren(ActionBarOverlayLayout.java:532)
at android.support.v7.widget.ActionBarOverlayLayout.fitSystemWindows(ActionBarOverlayLayout.java:282)
at android.view.View.onApplyWindowInsets(View.java:7755)
at android.view.View.dispatchApplyWindowInsets(View.java:7809)
at android.view.ViewGroup.dispatchApplyWindowInsets(ViewGroup.java:6435)
at android.view.ViewGroup.dispatchApplyWindowInsets(ViewGroup.java:6439)
at android.view.ViewRootImpl.dispatchApplyInsets(ViewRootImpl.java:1422)
at android.view.ViewRootImpl_Accessor.dispatchApplyInsets(ViewRootImpl_Accessor.java:24)
at com.android.layoutlib.bridge.impl.Layout.requestFitSystemWindows(Layout.java:315)
at android.view.View.requestFitSystemWindows(View.java:7945)
at android.view.View.requestFitSystemWindows(View.java:7945)
at android.view.View.requestFitSystemWindows(View.java:7945)
at android.view.View.requestFitSystemWindows(View.java:7945)
at android.view.View.requestApplyInsets(View.java:7953)
at android.support.v4.view.ViewCompatLollipop.requestApplyInsets(ViewCompatLollipop.java:49)
at android.support.v4.view.ViewCompat$LollipopViewCompatImpl.requestApplyInsets(ViewCompat.java:1630)
at android.support.v4.view.ViewCompat.requestApplyInsets(ViewCompat.java:2970)
at android.support.design.widget.CoordinatorLayout.onAttachedToWindow(CoordinatorLayout.java:246)
at android.view.View.dispatchAttachedToWindow(View.java:15395)
at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2953)
at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2960)
at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2960)
at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2960)
at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2960)
at android.view.AttachInfo_Accessor.setAttachInfo(AttachInfo_Accessor.java:42)
at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:333)
at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:429)
at com.android.ide.common.rendering.LayoutLibrary.createSession(LayoutLibrary.java:368)
at com.android.tools.idea.rendering.RenderTask$2.compute(RenderTask.java:567)
at com.android.tools.idea.rendering.RenderTask$2.compute(RenderTask.java:549)
at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:863)
at com.android.tools.idea.rendering.RenderTask.createRenderSession(RenderTask.java:549)
at com.android.tools.idea.rendering.RenderTask.lambda$inflate$1(RenderTask.java:680)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

I tried changing the coordinate layout to other layouts but it didn't work.

Answer 1

You probably have android:id attribute when including toolbar's layout like this:

<include
    android:id="@+id/toolbar_layout"
    layout="@layout/toolbar" />

I just removed id to get this code:

<include
    layout="@layout/toolbar" />

Then I force refreshed layout. You can do it here .

It worked for me.