IONIC4打包成app后网络请求有问题：Failed to load resource: net::ERR_CLEARTEXT_NOT_PERMITTED

问题描述

IONIC4打包成app后网络请求有问题，错误如：

Failed to load resource: net::ERR_CLEARTEXT_NOT_PERMITTED

解决

原因

没有获取网络权限。

在platforms/android/app/src/main/AndroidManifest.xml中添加代码：

    <uses-permission android: name = "android.permission.INTERNET" />
    <uses-permission android: name = "android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android: name = "android.permission.ACCESS_WIFI_STATE" />
    <uses-permission android: name = "android.permission.ACCESS_WIFI_STATE" />
    <uses-permission android: name = "android.permission.READ_PHONE_STATE" />