安卓系统/app/source. xml错误：当对应组件定义了Intent过滤器时，面向Android 12及更高版本的应用需要为android:exported指定显式值。https://developer.android.com/guide/topics/manifest/activity-element#exported有关详细信息，请参阅www.example.com。
失败：生成失败，出现异常.

• 问题：执行任务“：app：processDebugMainManifest”失败。

清单合并失败：当对应组件定义了Intent过滤器时，面向Android 12及更高版本的应用需要为android:exported指定显式值。https://developer.android.com/guide/topics/manifest/activity-element#exported有关详细信息，请参阅www.example.com。

• 尝试：使用--stacktrace选项运行以获取堆栈跟踪。使用--info或--debug选项运行以获取更多日志输出。使用--scan运行以获取完整信息。
• 请访问https://help.gradle.org获取更多帮助

构建在1 m 5s内失败异常：Gradle任务assembleDebug失败，退出代码为1
我的清单文件代码：

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="com.nms">

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
<uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.SCHEDULE_EXACT_ALARM" />
<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
<uses-permission android:name="android.permission.ACCESS_NOTIFICATION_POLICY" />
<uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />

<application
    android:allowBackup="true"
    android:fullBackupContent="@xml/backup_rules"
    android:hardwareAccelerated="true"
    android:icon="@mipmap/ic_launcher"
    android:label="Nurse Call Alerts"
    android:largeHeap="true"
    android:usesCleartextTraffic="true"
    tools:ignore="GoogleAppIndexingWarning,MissingClass">

    <activity
        android:name=".MainActivity"
        android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
        android:exported="true"
        android:hardwareAccelerated="true"
        android:launchMode="singleTop"
        android:showWhenLocked="true"
        android:theme="@style/LaunchTheme"
        android:turnScreenOn="true"
        android:windowSoftInputMode="adjustResize">

        <meta-data
            android:name="io.flutter.embedding.android.NormalTheme"
            android:resource="@style/NormalTheme" />

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

        </intent-filter>
    </activity>

    <!-- Don't delete the meta-data below.
         This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
    <meta-data
        android:name="flutterEmbedding"
        android:value="2" />

    <service
        android:name="dev.fluttercommunity.plus.androidalarmmanager.AlarmService"
        android:exported="false"
        android:permission="android.permission.BIND_JOB_SERVICE" />

    <receiver
        android:name="dev.fluttercommunity.plus.androidalarmmanager.AlarmBroadcastReceiver"
        android:exported="false" />

    <receiver
        android:name="dev.fluttercommunity.plus.androidalarmmanager.RebootBroadcastReceiver"
        android:enabled="false"
        android:exported="true">
        <intent-filter>
            <action android:name="android.intent.action.BOOT_COMPLETED" />
        </intent-filter>
    </receiver>

    <receiver
        android:name="StartupActivity"
        android:enabled="true"
        android:exported="true"
        android:permission="android.permission.RECEIVE_BOOT_COMPLETED">
        <intent-filter>
            <action android:name="android.intent.action.BOOT_COMPLETED" />
            <action android:name="android.intent.action.QUICKBOOT_POWERON" />
            <category android:name="android.intent.category.DEFAULT" />
        </intent-filter>
    </receiver>

    <receiver
        android:name="rekab.app.background_locator.LocatorBroadcastReceiver"
        android:enabled="true"
        android:exported="true" />

    <receiver
        android:name="rekab.app.background_locator.BootBroadcastReceiver"
        android:enabled="true"
        android:exported="true">
        <intent-filter>
            <action android:name="android.intent.action.BOOT_COMPLETED" />
        </intent-filter>
    </receiver>

    <service
        android:name="rekab.app.background_locator.LocatorService"
        android:exported="true"
        android:permission="android.permission.BIND_JOB_SERVICE" />
    <service
        android:name="rekab.app.background_locator.IsolateHolderService"
        android:exported="true"
        android:permission="android.permission.FOREGROUND_SERVICE" />
</application>