问题描述
将文件从内部存储或SD卡复制到应用程序数据目录时，遇到权限被拒绝的问题。从内部存储器或SD卡上传时，也会发生相同的问题。
我尝试在android target sdk 28中构建相同的源代码，一切正常，但是该功能在android target sdk 29中不起作用。我还尝试在设备中安装目标sdk 28，并使用target sdk重新安装29而无需卸载目标sdk28。在这种情况下，我的应用程序运行良好。
有什么可以指导我的，我如何修改我的配置以防止权限被拒绝的问题？
<content src="index.html" />
<access origin="*" />
<allow-intent href="http://*/*" />
<allow-intent href="https://*/*" />
<allow-intent href="tel:*" />
<allow-intent href="sms:*" />
<allow-intent href="mailto:*" />
<allow-intent href="geo:*" />
<preference name="ScrollEnabled" value="false" />
<preference name="BackupWebStorage" value="none" />
<preference name="SplashMaintainAspectRatio" value="true" />
<preference name="FadeSplashScreenDuration" value="300" />
<preference name="SplashShowOnlyFirstTime" value="false" />
<preference name="SplashScreen" value="screen" />
<preference name="SplashScreenDelay" value="3000" />
<preference name="android-minSdkVersion" value="22" />
<preference name="android-targetSdkVersion" value="29" />
<preference name="AndroidPersistentFileLocation" value="Compatibility" />
<platform name="android">
<edit-config file="app/src/main/AndroidManifest.xml" mode="merge" target="/manifest/application" xmlns:android="http://schemas.android.com/apk/res/android">
<application android:networkSecurityConfig="@xml/network_security_config" />
</edit-config>
<resource-file src="resources/android/xml/network_security_config.xml" target="app/src/main/res/xml/network_security_config.xml" />
<allow-intent href="market:*" />
<icon density="ldpi" src="resources/android/icon/drawable-ldpi-icon.png" />
<icon density="mdpi" src="resources/android/icon/drawable-mdpi-icon.png" />
<icon density="hdpi" src="resources/android/icon/drawable-hdpi-icon.png" />
<icon density="xhdpi" src="resources/android/icon/drawable-xhdpi-icon.png" />
<icon density="xxhdpi" src="resources/android/icon/drawable-xxhdpi-icon.png" />
<icon density="xxxhdpi" src="resources/android/icon/drawable-xxxhdpi-icon.png" />
<splash density="land-ldpi" src="resources/android/splash/drawable-land-ldpi-screen.png" />
<splash density="land-mdpi" src="resources/android/splash/drawable-land-mdpi-screen.png" />
<splash density="land-hdpi" src="resources/android/splash/drawable-land-hdpi-screen.png" />
<splash density="land-xhdpi" src="resources/android/splash/drawable-land-xhdpi-screen.png" />
<splash density="land-xxhdpi" src="resources/android/splash/drawable-land-xxhdpi-screen.png" />
<splash density="land-xxxhdpi" src="resources/android/splash/drawable-land-xxxhdpi-screen.png" />
<splash density="port-ldpi" src="resources/android/splash/drawable-port-ldpi-screen.png" />
<splash density="port-mdpi" src="resources/android/splash/drawable-port-mdpi-screen.png" />
<splash density="port-hdpi" src="resources/android/splash/drawable-port-hdpi-screen.png" />
<splash density="port-xhdpi" src="resources/android/splash/drawable-port-xhdpi-screen.png" />
<splash density="port-xxhdpi" src="resources/android/splash/drawable-port-xxhdpi-screen.png" />
<splash density="port-xxxhdpi" src="resources/android/splash/drawable-port-xxxhdpi-screen.png" />
</platform>
解决方法
- 为Android X安装cordova插件
https://www.npmjs.com/package/cordova-plugin-androidx离子科尔多瓦 插件添加cordova-plugin-androidx npm我cordova-plugin-androidx
https://www.npmjs.com/package/cordova-plugin-androidx-adapter离子性 cordova插件添加cordova-plugin-androidx-adapter npm i cordova-plugin-androidx-adapter
- 为sdk编辑config.xml
<preference name="android-buildToolsVersion" value="29.0.0" /> <preference name="android-minSdkVersion" value="22" /> <preference name="android-compileSdkVersion" value="29" /> <preference name="android-targetSdkVersion" value="29" /> <preference name="android-supportLibVersion" value="28.0.0" /> <preference name="android-googlePlayServicesAuthVersion" value="16.0.1" />
-
删除现有的android平台，添加添加android平台9.0.0 +
-
在AndroidManifest.xml中编辑应用程序标签，在下面添加属性
android：requestLegacyExternalStorage =“ true”