我迁移到了androidx
,我的依赖关系如下:
implementation 'androidx.appcompat:appcompat:1.1.0-alpha05'
implementation 'com.google.android.material:material:1.1.0-alpha06'
我使用了FloatingActionButton
:
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentEnd="true"
android:layout_margin="15dp"
app:backgroundTint="@color/colorAccent"
app:srcCompat="@drawable/ic_add_32dp"/>
但是当我添加FloatingActionButton
标签时,XML出现了崩溃(渲染问题)。即使我使用以下代码:
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
然而,此错误仅在XML中发生,不会影响程序的执行,并且对我来说不显示“设计模式”。 “使缓存无效并重新启动”的问题在于它暂时解决了问题,但问题会再次出现。
渲染问题是:
java.lang.IllegalArgumentException: java.lang.ClassCastException@7e11486d at java.lang.reflect.Method.invoke(Method.java:498) at android.animation.PropertyValuesHolder_Delegate.callMethod(PropertyValuesHolder_Delegate.java:108) at android.animation.PropertyValuesHolder_Delegate.nCallFloatMethod(PropertyValuesHolder_Delegate.java:143) at android.animation.PropertyValuesHolder.nCallFloatMethod(PropertyValuesHolder.java:-1) at android.animation.PropertyValuesHolder.access$400(PropertyValuesHolder.java:38) at android.animation.PropertyValuesHolder$FloatPropertyValuesHolder.setAnimatedValue(PropertyValuesHolder.java:1387) at android.animation.ObjectAnimator.animateValue(ObjectAnimator.java:990) at android.animation.ValueAnimator.setCurrentFraction(ValueAnimator.java:674) at android.animation.ValueAnimator.setCurrentPlayTime(ValueAnimator.java:637) at android.animation.ValueAnimator.start(ValueAnimator.java:1069) at android.animation.ValueAnimator.start(ValueAnimator.java:1088) at android.animation.ObjectAnimator.start(ObjectAnimator.java:852) at android.animation.ValueAnimator.startWithoutPulsing(ValueAnimator.java:1081) at android.animation.AnimatorSet.handleAnimationEvents(AnimatorSet.java:1142) at android.animation.AnimatorSet.startAnimation(AnimatorSet.java:1227) at android.animation.AnimatorSet.start(AnimatorSet.java:729) at android.animation.AnimatorSet.start(AnimatorSet.java:684) at android.animation.StateListAnimator.start(StateListAnimator.java:188) at android.animation.StateListAnimator.setState(StateListAnimator.java:181) at android.view.View.drawableStateChanged(View.java:21105) at android.widget.ImageView.drawableStateChanged(ImageView.java:1294) at com.google.android.material.floatingactionbutton.FloatingActionButton.drawableStateChanged ... (FloatingActionButton.java:805) at android.view.View.refreshDrawableState(View.java:21160) at android.view.View.dispatchAttachedToWindow(View.java:18379) at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3404) at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3404) at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3404) at android.view.AttachInfo_Accessor.setAttachInfo(AttachInfo_Accessor.java:42)
Theme.MaterialComponent
或其子类继承而来。 - karan@drawable/ic_add_32dp
存在问题,请将其删除并进行测试。 - Santanu Sur