VisitorApp/app/src/main/AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.sunwin.visitorapp">
    <!-- 网络请求权限 -->
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
    <uses-permission android:name="android.permission.CAMERA" />

    <!-- 显示系统窗口权限 -->
    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
    <!-- 在 屏幕最顶部显示权限-->
    <uses-permission android:name="android.permission.SYSTEM_OVERLAY_WINDOW" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:name=".BaseApplication"
        android:theme="@style/AppTheme">
        <activity android:name=".SplashActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".LoginActivity" />
        <activity android:name=".activity.VisitorRegActivity" />
        <activity android:name=".activity.IdcardRegActivity" />
        <activity android:name=".activity.HomeAc" />
    </application>

</manifest>