net:ERR_CLEARTEXT_NOT_PERMITTED错误四种解决办法 Starting with Android 9 (API level 28), cleartext support is disabled by default. 方法一: 首先试一下把 "http://" 改成 "https://" 方法二: 创建文件:res/xml/network_security_config.xml <?xml version="1.0" encoding="utf-8"?> <network-security-config> <domain-config cleartextTrafficPermitted="true"> <domain includeSubdomains="true">api.example.com(to be adjusted)</domain> </domain-config> </network-security-config>
对AndroidManifest.xml文件做修改: <?xml version="1.0" encoding="utf-8"?> <manifest ...> <uses-permission android:name="android.permission.INTERNET" /> <application ... android:networkSecurityConfig="@xml/network_security_config" ...> ... </application> </manifest>
方法三: 在AndroidManifest.xml文件中添加 android:usesCleartextTraffic="true" 就像这样: <?xml version="1.0" encoding="utf-8"?> <manifest ...> <uses-permission android:name="android.permission.INTERNET" /> <application ... android:usesCleartextTraffic="true" ...> ... </application> </manifest>
方法四: 如果在<manifest>中有android:targetSandboxVersion,把它减少为1 AndroidManifest.xml: <?xml version="1.0" encoding="utf-8"?> <manifest android:targetSandboxVersion="1"> <uses-permission android:name="android.permission.INTERNET" /> ... </manifest>
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