android - Android Studio - 错误：未知元素<meta-notification>成立</meta-notification>

问题描述

我在构建时收到来自 android studio 的错误，这似乎是我的清单文件中的某个地方放错了地方。我尝试寻找解决方案，但似乎没有什么对我有用，我是新手，正在学习教程。有人可以查看我的清单文件，看看我做错了什么吗？
另外我在我的代码中看到很多地方都是红色的，当我移动鼠标时，错误是“此处不允许使用属性”，有人可以帮我吗？
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.www.riderapp"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk
    android:minSdkVersion="16"
    android:targetSdkVersion="28" />

<!--
     The ACCESS_COARSE/FINE_LOCATION permissions are not required to use
     Google Maps Android API v2, but you must specify either coarse or fine
     location permissions for the 'MyLocation' functionality. 
-->
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.INTERNET" /> <!-- Include required permissions for Google Maps API to run. -->
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

<uses-feature
    android:glEsVersion="0x00020000"
    android:required="true" />

<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE" /> <!-- Required by older versions of Google Play services to create IID tokens -->
<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />

<application
    android:name="android.support.multidex.MultiDexApplication"
    android:allowBackup="true"
    android:debuggable="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:roundIcon="@mipmap/ic_launcher_round"
    android:supportsRtl="true"
    android:theme="@style/AppTheme" >
    <activity android:name="com.example.www.riderapp.MainActivity" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
    <!--
         The API key for Google Maps-based APIs is defined as a string resource.
         (See the file "res/values/google_maps_api.xml").
         Note that the API key is linked to the encryption key used to sign the APK.
         You need a different API key for each encryption key, including the release key that is used to
         sign the APK for publishing.
         You can define the keys for the debug and release targets in src/debug/ and src/release/. 
    -->
    <meta-notification
        android:name="com.google.android.geo.API_KEY"
        android:value="@string/google_maps_key" />

    <activity
        android:name="com.example.www.riderapp.Welcome"
        android:label="@string/title_activity_welcome" />
    <activity
        android:name="com.example.www.riderapp.Home"
        android:label="@string/title_activity_home"
        android:theme="@style/AppTheme" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>

    <service android:name="com.example.www.riderapp.Service.MyFirebaseIdService" >
        <intent-filter>
            <action android:name="com.google.firebase.INSTANCE_ID_EVENT" />
        </intent-filter>
    </service>
    <service android:name="com.example.www.riderapp.Service.MyFirebaseMessaging" >
        <intent-filter>
            <action android:name="com.google.firebase.MESSAGING_EVENT" />
        </intent-filter>
    </service>

    <meta-data
        android:name="android.support.VERSION"
        android:value="26.1.0" />

    <activity
        android:name="com.google.firebase.auth.internal.FederatedSignInActivity"
        android:excludeFromRecents="true"
        android:exported="true"
        android:launchMode="singleInstance"
        android:permission="com.google.firebase.auth.api.gms.permission.LAUNCH_FEDERATED_SIGN_IN"
        android:theme="@android:style/Theme.Translucent.NoTitleBar" />

    <service
        android:name="com.google.firebase.components.ComponentDiscoveryService"
        android:exported="false" >
        <meta-data
            android:name="com.google.firebase.components:com.google.firebase.auth.FirebaseAuthRegistrar"
            android:value="com.google.firebase.components.ComponentRegistrar" />
        <meta-data
            android:name="com.google.firebase.components:com.google.firebase.analytics.connector.internal.AnalyticsConnectorRegistrar"
            android:value="com.google.firebase.components.ComponentRegistrar" />
        <meta-data
            android:name="com.google.firebase.components:com.google.firebase.iid.Registrar"
            android:value="com.google.firebase.components.ComponentRegistrar" />
    </service>
    <!--
         FirebaseMessagingService performs security checks at runtime,
         no need for explicit permissions despite exported="true"
    -->
    <service
        android:name="com.google.firebase.messaging.FirebaseMessagingService"
        android:exported="true" >
        <intent-filter android:priority="-500" >
            <action android:name="com.google.firebase.MESSAGING_EVENT" />
        </intent-filter>
    </service>

    <receiver
        android:name="com.google.android.gms.measurement.AppMeasurementReceiver"
        android:enabled="true"
        android:exported="false" >
    </receiver>
    <receiver
        android:name="com.google.android.gms.measurement.AppMeasurementInstallReferrerReceiver"
        android:enabled="true"
        android:exported="true"
        android:permission="android.permission.INSTALL_PACKAGES" >
        <intent-filter>
            <action android:name="com.android.vending.INSTALL_REFERRER" />
        </intent-filter>
    </receiver>

    <service
        android:name="com.google.android.gms.measurement.AppMeasurementService"
        android:enabled="true"
        android:exported="false" />
    <service
        android:name="com.google.android.gms.measurement.AppMeasurementJobService"
        android:enabled="true"
        android:exported="false"
        android:permission="android.permission.BIND_JOB_SERVICE" />

    <receiver
        android:name="com.google.firebase.iid.FirebaseInstanceIdReceiver"
        android:exported="true"
        android:permission="com.google.android.c2dm.permission.SEND" >
        <intent-filter>
            <action android:name="com.google.android.c2dm.intent.RECEIVE" />
        </intent-filter>
    </receiver>
    <!--
         FirebaseInstanceIdService performs security checks at runtime,
         no need for explicit permissions despite exported="true"
    -->
    <service
        android:name="com.google.firebase.iid.FirebaseInstanceIdService"
        android:exported="true" >
        <intent-filter android:priority="-500" >
            <action android:name="com.google.firebase.INSTANCE_ID_EVENT" />
        </intent-filter>
    </service>

    <activity
        android:name="com.google.android.gms.common.api.GoogleApiActivity"
        android:exported="false"
        android:theme="@android:style/Theme.Translucent.NoTitleBar" />

    <provider
        android:name="com.google.firebase.provider.FirebaseInitProvider"
        android:authorities="com.example.www.riderapp.firebaseinitprovider"
        android:exported="false"
        android:initOrder="100" />

    <meta-data
        android:name="com.google.android.gms.version"
        android:value="@integer/google_play_services_version" />
</application>
标签： androidxmlandroid-studio
android - Android Studio - 错误：未知元素成立

问题描述

解决方案

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