In Android Studio after starting a new project, and selecting a Tabbed Activity, after the project is build, I get this error in the Android Monitor:
E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.app, PID: 23581 java.lang.IllegalArgumentException: Rect should intersect with child's bounds. at android.support.design.widget.CoordinatorLayout.offsetChildByInset(CoordinatorLayout.java:1319) at android.support.design.widget.CoordinatorLayout.onChildViewsChanged(CoordinatorLayout.java:1257) at android.support.design.widget.CoordinatorLayout$OnPreDrawListener.onPreDraw(CoordinatorLayout.java:1805) at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:847) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1867) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:996) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5600) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761) at android.view.Choreographer.doCallbacks(Choreographer.java:574) at android.view.Choreographer.doFrame(Choreographer.java:544) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747) at android.os.Handler.handleCallback(Handler.java:733) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:136) at android.app.ActivityThread.main(ActivityThread.java:5001) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601) at dalvik.system.NativeStart.main(Native Method)
What does this exception mean, and how to fix it? It is a completely new project, so I have not made any change.
After updating the new appcompat version to 24.2.1 i had the same bug, Try to lower the version to 24.1.1 or even to a stable 23 version.
In my case the problem was caused because of FloatingActionButton.Behavior.
Here the code inside coordinator layout
if (behavior != null && behavior.getInsetDodgeRect(this, child, rect)) { // Make sure that it intersects the views bounds if (!rect.intersect(child.getLeft(), child.getTop(), child.getRight(), child.getBottom())) { throw new IllegalArgumentException("Rect should intersect with child's bounds."); } }
And here the code inside of FloatingActionButton.Behavior
@Override public boolean getInsetDodgeRect(@NonNull CoordinatorLayout parent, @NonNull FloatingActionButton child, @NonNull Rect rect) { // Since we offset so that any internal shadow padding isn't shown, we need to make // sure that the shadow isn't used for any dodge inset calculations final Rect shadowPadding = child.mShadowPadding; rect.set(child.getLeft() + shadowPadding.left, child.getTop() + shadowPadding.top, child.getRight() - shadowPadding.right, child.getBottom() - shadowPadding.bottom); return true; }
As you can see getInsetDodgeRect was returning true and by some reason rect was not intersecting. This causes the problem.
The workaround.
I could fix it just extending the behavior and overwriting the method getInsetDodgeRect to return false;
public class ScrollAwareFABBehavior extends FloatingActionButton.Behavior { ... @Override public boolean getInsetDodgeRect(@NonNull CoordinatorLayout parent, @NonNull FloatingActionButton child, @NonNull Rect rect) { super.getInsetDodgeRect(parent, child, rect); return false; } ...
It's a bug introduced in support library 24.2.1, see here.
Known workarounds:
- Downgrade to a different support library version
The bug have been fixed in 25.1.0
The problem is present when used a layout based on a old version appcompat, look the layout xml file and edit it. Erase tools:context atribut and the problem is solved.
i was getting the same error but some how uninstalling the app and re running it again helped solve it
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