将我的build.gradle(Module:app)依赖项更新为23.2.0,获取渲染问题类无法实例化:android.support.design.widget.FloatingActionButton 凡是fab按钮是他们的在整个项目中。
dependencies {
compile 'com.android.support:appcompat-v7:23.2.0'
compile 'com.android.support:support-v4:23.2.0'
...
compile 'com.android.support:recyclerview-v7:23.2.0'
}
AppTheme :Theme.AppCompat.Light.NoActionBar
Android Studio版本:1.4
我的布局示例
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false">
<android.support.design.widget.CoordinatorLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false">
<android.support.v7.widget.RecyclerView
android:id="@+id/list_buildings"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<android.support.design.widget.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="@dimen/_18"
android:clickable="true"
android:src="@drawable/ic_add_white_24dp"
android:transitionName="fab"
app:backgroundTint="@color/fab_button_color"
app:elevation="@dimen/_04"
app:layout_anchorGravity="bottom|right|end" />
</android.support.design.widget.CoordinatorLayout>
</FrameLayout>