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I am getting the error: “Ambiguous method call” on initializing Toolbar using Android Studio 3.0 RC1. I have extended my Activity with AppCompatActivity and compiling my application using ‘compileSdkVersion 26’. Attaching a screenshot of the error.

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How to add cardview in layout xml in AndroidX After upgraded to AndroidX <android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="5dp"> gives a error The following classes could not be found: –¬†android.support.v7.widget.CardView (Fix Build ...

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I’ve got this issue while updating to the latest Support Library version 26.0.0 (https://developer.android.com/topic/libraries/support-library/revisions.html#26-0-0): Error:(18, 21) No resource found that matches the given name: attr ‘android:keyboardNavigationCluster’. /.../app/build/intermediates/res/merged/beta/debug/values-v26/values-v26.xml Error:(15, 21) No resource found that matches the given name: attr 'android:keyboardNavigationCluster'. Error:(18, 21) No resource ...

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