[英]Error inflating class com.google.android.material.floatingactionbutton.FloatingActionButton Instrumentation Test
[英]Error inflating class com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
虽然有类似的问题,但没有给我解决方案。 当我尝试使用com.google.android.material.floatingactionbutton.FloatingActionButton
时,它运行良好。 但是,如果我尝试使用com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
,它会出错。
我在 XML 文件中的代码:
<com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
android:id="@+id/book_profile_write_review"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="20dp"
android:contentDescription="@string/author_name"
android:text="@string/book_name"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:srcCompat="@drawable/ic_launcher_foreground" />
日志:
2019-11-14 12:30:21.997 21326-21326/com.bookaholic.shahad.bookaholicbd E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.bookaholic.shahad.bookaholicbd, PID: 21326
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.bookaholic.shahad.bookaholicbd/com.bookaholic.shahad.bookaholicbd.activities.BookProfile}: android.view.InflateException: Binary XML file line #25: Binary XML file line #25: Error inflating class com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2974)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3059)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1724)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:7000)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:441)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1408)
Caused by: android.view.InflateException: Binary XML file line #25: Binary XML file line #25: Error inflating class com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
Caused by: android.view.InflateException: Binary XML file line #25: Error inflating class com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance0(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:334)
at android.view.LayoutInflater.createView(LayoutInflater.java:647)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:790)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:730)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:863)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:555)
at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:161)
at com.bookaholic.shahad.bookaholicbd.activities.BookProfile.onCreate(BookProfile.java:20)
at android.app.Activity.performCreate(Activity.java:7258)
at android.app.Activity.performCreate(Activity.java:7249)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1222)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2927)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3059)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1724)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:7000)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:441)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1408)
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:243)
at com.google.android.material.internal.ThemeEnforcement.checkMaterialTheme(ThemeEnforcement.java:217)
at com.google.android.material.internal.ThemeEnforcement.checkCompatibleTheme(ThemeEnforcement.java:145)
at com.google.android.material.internal.ThemeEnforcement.obtainStyledAttributes(ThemeEnforcement.java:76)
at com.google.android.material.button.MaterialButton.<init>(MaterialButton.java:200)
你能帮我么?
从你的日志猫
Caused by: java.lang.IllegalArgumentException: The style on this component requires your app theme to be Theme.MaterialComponents (or a descendant).
因此,为您的应用程序/当前活动添加材料主题将解决此问题
1)添加依赖*(最新/更稳定的版本)
implementation 'com.google.android.material:material:1.2.0-alpha01'
2)创建一个新主题
<style name="MyMaterialTheme" parent="Theme.MaterialComponents.Light.NoActionBar">
<!-- Add attributes here -->
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
<item name="textAppearanceButton">@style/AppTextAppearance.Button</item>
</style>
<!--To fix rendering in preview -->
<style name="AppTextAppearance.Button" parent="TextAppearance.MaterialComponents.Button">
<item name="android:textAllCaps">true</item>
</style>
根据您更改父材质主题parent="Theme.MaterialComponents.*
3)在清单中更改应用程序主题或当前活动主题
android:theme="@style/MyMaterialTheme"
或者
<activity android:name=".MyActivity" android:theme="@style/MyMaterialTheme"> </activity>
4) 如果您在预览中发现任何渲染问题,将主题添加到 ExtendedFloatingActionButton 将解决此问题
Failed to find '@attr/textAppearanceButton' in current theme.
将主题添加到 ExtendedFloatingActionButton android:theme="@style/MyMaterialTheme"
<com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:theme="@style/MyMaterialTheme"
android:text="ExtendedFab"
app:icon="@drawable/ic_add_a_photo_white_24dp"
/>
欲了解更多信息,请访问材料设计页面
您需要使用来自Theme.MaterialComponents
的应用程序或活动theme
。
您可以在跟踪中看到: Caused by: java.lang.IllegalArgumentException: The style on this component requires your app theme to be Theme.MaterialComponents (or a descendant).
Go 到您的清单文件,并确保您的应用程序和活动继承自以下主题之一:
Theme.MaterialComponents
Theme.MaterialComponents.NoActionBar
Theme.MaterialComponents.Light
Theme.MaterialComponents.Light.NoActionBar
Theme.MaterialComponents.Light.DarkActionBar
Theme.MaterialComponents.DayNight
Theme.MaterialComponents.DayNight.NoActionBar
Theme.MaterialComponents.DayNight.DarkActionBar
像这样的EG:
<activity android:name=".MYActivity"
android:theme="@android:style/Theme.Light.NoTitleBar"></activity>
这对我有用
<com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton android:theme="@style/MyMaterialTheme" .................. />
<style name="MyMaterialTheme" parent="Theme.MaterialComponents.Light.NoActionBar">
<!-- Add attributes here -->
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
<item name="textAppearanceButton">@style/AppTextAppearance.Button</item>
</style>
更新您的应用主题以继承这些主题之一,例如:
<style name="Theme.MyApp" parent="Theme.MaterialComponents.DayNight">
<!-- ... -->
</style>
dependencies {
// ...
implementation "com.google.android.material:material:1.3.0-alpha03"
}
总帐
更新到 targetSdkVersion = 32 后,我遇到了同样的错误。我的活动已经有一个从 MaterialComponents 继承的主题。 问题是我正在设置
android:background="?selectableItemBackground"
到 ExtendedFloatingActionButton。 所以如果你试图覆盖背景,它会给你错误。 删除它,它应该可以工作。
如果您打算使用材料设计组件制作应用程序,请考虑使用 Theme.MaterialComponents.*,因为在某些情况下,您将面临一些关于 XML 的膨胀错误
有关材料设计组件的更多信息,请参见: MATERIAL.IO
我遇到了这个问题。我检查了样式文件夹并添加了功能
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