android - 当我使用TabLayout时，Android Studio的应用程序会崩溃，该如何解决？

我试图在我的AS项目中使用TabLayout。当我在模拟器上运行该应用程序时，该应用程序立即崩溃。如果删除TabLayout视图，则该应用程序将正确运行。

我正在使用androidx。

正如在this问题的答案中一样，我尝试添加

    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile 'com.android.support:appcompat-v7:your_api_version_number.0.0'
    compile 'com.android.support:design:+'

到依赖项，我也尝试添加

implementation 'com.android.support:support-v4:22.2.0'
implementation 'com.android.support:design:22.2.0'

到依赖项。两种解决方案都没有帮助我。

如何正确使用TabLayout？

这是代码：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    android:orientation="vertical"
    android:paddingLeft="@dimen/activity_horizontal_and_vertical_margin"
    android:paddingTop="@dimen/activity_horizontal_and_vertical_margin"
    android:paddingRight="@dimen/activity_horizontal_and_vertical_margin"
    android:paddingBottom="@dimen/activity_horizontal_and_vertical_margin"
    tools:context=".MainActivity">

    <androidx.appcompat.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:background="?attr/colorPrimary"
        android:minHeight="?attr/actionBarSize"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
        app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />

    <androidx.viewpager.widget.ViewPager
        android:id="@+id/pager"
        android:layout_width="match_parent"
        android:layout_height="fill_parent"
        android:layout_below="@id/toolbar"/>

    <android.support.design.widget.TabLayout
        android:id="@+id/tab_layout1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@id/toolbar"
        android:background="?attr/colorPrimary"
        android:minHeight="?attr/actionBarSize"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"/>

</RelativeLayout>

这是build.gradle（模块：app）：

apply plugin: 'com.android.application'

android {
    compileSdkVersion 29
    buildToolsVersion "29.0.2"
    defaultConfig {
        applicationId "android.example.tabexperiment"
        minSdkVersion 15
        targetSdkVersion 29
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'androidx.appcompat:appcompat:1.1.0'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test:runner:1.2.0'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'

    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile 'com.android.support:appcompat-v7:29.0.2'
    compile 'com.android.support:design:+'

}

编辑：

这是Logcat的输出：

2019-10-11 13:13:32.022 8427-8427/? I/zygote: Not late-enabling -Xcheck:jni (already on)
2019-10-11 13:13:32.047 8427-8427/? W/zygote: Unexpected CPU variant for X86 using defaults: x86
2019-10-11 13:13:32.443 8427-8427/android.example.tabexperiment I/zygote: Rejecting re-init on previously-failed class java.lang.Class<androidx.core.view.ViewCompat$2>: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/view/View$OnUnhandledKeyEventListener;
2019-10-11 13:13:32.443 8427-8427/android.example.tabexperiment I/zygote:     at void androidx.core.view.ViewCompat.setOnApplyWindowInsetsListener(android.view.View, androidx.core.view.OnApplyWindowInsetsListener) (ViewCompat.java:2421)

at ... at

2019-10-11 13:13:32.474 8427-8427/android.example.tabexperiment I/zygote:     at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:767)
2019-10-11 13:13:32.619 8427-8427/android.example.tabexperiment D/AndroidRuntime: Shutting down VM


    --------- beginning of crash
2019-10-11 13:13:32.666 8427-8427/android.example.tabexperiment E/AndroidRuntime: FATAL EXCEPTION: main
    Process: android.example.tabexperiment, PID: 8427
    java.lang.RuntimeException: Unable to start activity ComponentInfo{android.example.tabexperiment/android.example.tabexperiment.MainActivity}: android.view.InflateException: Binary XML file line #26: Binary XML file line #26: Error inflating class android.support.design.widget.TabLayout
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2817)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
        at android.app.ActivityThread.-wrap11(Unknown Source:0)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593)
        at android.os.Handler.dispatchMessage(Handler.java:105)
        at android.os.Looper.loop(Looper.java:164)
        at android.app.ActivityThread.main(ActivityThread.java:6541)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
     Caused by: android.view.InflateException: Binary XML file line #26: Binary XML file line #26: Error inflating class android.support.design.widget.TabLayout
     Caused by: android.view.InflateException: Binary XML file line #26: Error inflating class android.support.design.widget.TabLayout
     Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.design.widget.TabLayout" on path: DexPathList[[zip file "/data/app/android.example.tabexperiment-RjSmL-WuWCmaiNehU5C96w==/base.apk"],nativeLibraryDirectories=[/data/app/android.example.tabexperiment-RjSmL-WuWCmaiNehU5C96w==/lib/x86, /system/lib, /vendor/lib]]
        at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:93)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
        at android.view.LayoutInflater.createView(LayoutInflater.java:606)
        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 android.example.tabexperiment.MainActivity.onCreate(MainActivity.java:14)
        at android.app.Activity.performCreate(Activity.java:6975)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1213)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2770)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
        at android.app.ActivityThread.-wrap11(Unknown Source:0)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593)
        at android.os.Handler.dispatchMessage(Handler.java:105)
        at android.os.Looper.loop(Looper.java:164)
        at android.app.ActivityThread.main(ActivityThread.java:6541)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)

最佳答案

您的目标是android 10，因此支持库不起作用。由于androidX软件包中包含支持库，因此没有版本29。您可以删除对支持库的引用，并使用以下依赖项替换它们，以便使用TabLayout：

删除此：

compile fileTree(dir: 'libs', include: ['*.jar'])

compile 'com.android.support:appcompat-v7:29.0.2'
compile 'com.android.support:design:+'

替换为：

implementation 'com.google.android.material:material:1.0.0'

编辑（logcat错误后）：请注意，一旦开始使用材质依赖项和AndroidX，您需要像这样：com.google.android.material.tabs.TabLayout而不是这样：android.support.design.widget.TabLayout声明TabLayout。

关于android - 当我使用TabLayout时，Android Studio的应用程序会崩溃，该如何解决？，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/58290284/