尽管存在类似的问题,但它没有给我解决方案。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
,则会出现错误。
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" />
logcat:
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)
您能帮我吗?
您需要使用作为theme
的后代的应用或活动Theme.MaterialComponents
。
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).