OcrDemo/app/src/main/AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    package="com.miekir.ocr">

    <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.CAMERA" />
    <uses-feature android:name="android.hardware.camera2.full" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme"
        tools:ignore="GoogleAppIndexingWarning"
        android:name=".OCRApplication"
        android:requestLegacyExternalStorage="true"
        android:networkSecurityConfig="@xml/network">
        <!--targetSdk大于等于29会导致访问/storage/emulated/0/Pictures/ 权限被拒绝
        open failed: EACCES (Permission denied)，需要加上requestLegacyExternalStorage-->
        <activity android:name=".PermissionActivity"
            android:screenOrientation="portrait">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <activity android:name=".ui.OperationActivity"
            android:screenOrientation="portrait" />
    </application>

</manifest>