android - 错误 : IllegalArgumentException: The style on this component requires your app theme to be Theme. Material 组件

标签 android android-layout material-design bottombar

下面是我的依赖

implementation 'com.google.android.material:material:1.0.0'
implementation 'androidx.appcompat:appcompat:1.0.2'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'

我的layout.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/main_content"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#ffffff"
    android:fitsSystemWindows="true">


    <com.google.android.material.bottomappbar.BottomAppBar
        android:id="@+id/bottomBar"
        style="@style/Widget.MaterialComponents.BottomAppBar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom"
        android:backgroundTint="@color/colorPrimary"
        app:fabAlignmentMode="center"
        app:fabCradleMargin="10dp"
        app:fabCradleVerticalOffset="4dp"
        app:navigationIcon="@drawable/ic_drawer" >

    </com.google.android.material.bottomappbar.BottomAppBar>

    <com.google.android.material.floatingactionbutton.FloatingActionButton
        android:id="@+id/fab"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_anchor="@id/bottomBar"
        app:srcCompat="@drawable/ic_apps" />

</androidx.coordinatorlayout.widget.CoordinatorLayout>

上面的代码对我来说工作正常

但是当我更新 material design 的 dependencies 

implementation 'com.google.android.material:material:1.1.0-alpha01'

我遇到以下错误:

java.lang.RuntimeException: Unable to start activity ComponentInfo{neel.com.bottomappbar/neel.com.bottomappbar.MainActivity}: android.view.InflateException: Binary XML file line #11: Binary XML file line #11: Error inflating class com.google.android.material.bottomappbar.BottomAppBar
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2485)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2545)
        at android.app.ActivityThread.access$1100(ActivityThread.java:151)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1396)
        at android.os.Handler.dispatchMessage(Handler.java:102)
        at android.os.Looper.loop(Looper.java:157)
        at android.app.ActivityThread.main(ActivityThread.java:5602)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:774)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:652)
     Caused by: android.view.InflateException: Binary XML file line #11: Binary XML file line #11: Error inflating class com.google.android.material.bottomappbar.BottomAppBar
        at android.view.LayoutInflater.inflate(LayoutInflater.java:543)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:427)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
        at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:469)
        at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)
        at neel.com.bottomappbar.MainActivity.onCreate(MainActivity.kt:16)
        at android.app.Activity.performCreate(Activity.java:6358)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2438)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2545) 
        at android.app.ActivityThread.access$1100(ActivityThread.java:151) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1396) 
        at android.os.Handler.dispatchMessage(Handler.java:102) 
        at android.os.Looper.loop(Looper.java:157) 
        at android.app.ActivityThread.main(ActivityThread.java:5602) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:774) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:652) 
     Caused by: android.view.InflateException: Binary XML file line #11: Error inflating class com.google.android.material.bottomappbar.BottomAppBar
        at android.view.LayoutInflater.createView(LayoutInflater.java:649)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:768)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:708)
        at android.view.LayoutInflater.rInflate(LayoutInflater.java:839)
        at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:802)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:519)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:427) 
        at android.view.LayoutInflater.inflate(LayoutInflater.java:374) 
        at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:469) 
        at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:140) 
        at neel.com.bottomappbar.MainActivity.onCreate(MainActivity.kt:16) 
        at android.app.Activity.performCreate(Activity.java:6358) 
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108) 
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2438) 
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2545) 
        at android.app.ActivityThread.access$1100(ActivityThread.java:151) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1396) 
        at android.os.Handler.dispatchMessage(Handler.java:102) 
        at android.os.Looper.loop(Looper.java:157) 
        at android.app.ActivityThread.main(ActivityThread.java:5602) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:774) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:652) 
     Caused by: java.lang.reflect.InvocationTargetException
        at java.lang.reflect.Constructor.newInstance(Native Method)
        at android.view.LayoutInflater.createView(LayoutInflater.java:623)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:768) 
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:708) 
        at android.view.LayoutInflater.rInflate(LayoutInflater.java:839) 
        at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:802) 
        at android.view.LayoutInflater.inflate(LayoutInflater.java:519) 
        at android.view.LayoutInflater.inflate(LayoutInflater.java:427) 
        at android.view.LayoutInflater.inflate(LayoutInflater.java:374) 
        at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:469) 
        at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:140) 
        at neel.com.bottomappbar.MainActivity.onCreate(MainActivity.kt:16) 
        at android.app.Activity.performCreate(Activity.java:6358) 
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108) 
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2438) 
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2545) 
        at android.app.ActivityThread.access$1100(ActivityThread.java:151) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1396) 
        at android.os.Handler.dispatchMessage(Handler.java:102) 
        at android.os.Looper.loop(Looper.java:157) 
        at android.app.ActivityThread.main(ActivityThread.java:5602) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:774) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:652) 
     Caused by: java.lang.IllegalArgumentException: The style on this component requires your app theme to be Theme.MaterialComponents (or a descendant).
        at com.google.android.material.internal.ThemeEnforcement.checkTheme(ThemeEnforcement.java:240)
        at com.google.android.material.internal.ThemeEnforcement.checkMaterialTheme(ThemeEnforcement.java:215)
        at com.google.android.material.internal.ThemeEnforcement.checkCompatibleTheme(ThemeEnforcement.java:143)
        at com.google.android.material.internal.ThemeEnforcement.obtainStyledAttributes(ThemeEnforcement.java:78)
        at com.google.android.material.bottomappbar.BottomAppBar

最佳答案

material:1.1.0-alpha01 有一些问题

一个简单的解决方案是更改父主题

<style name="AppTheme" parent="Theme.MaterialComponents.Light.DarkActionBar">
        <!-- Customize your theme here. -->
       
</style>

关于android - 错误 : IllegalArgumentException: The style on this component requires your app theme to be Theme. Material 组件，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/53476115/

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