順便說一波安卓9.0申請網絡權限新要求
如果你的運行手機安卓系統是9.0,網絡權限需要多加一個xml文件,在res中新建一個xml的包,然後在裏面新建一個xml resources file 然後文件名寫上network_security_config,內容爲下:
<?xml version="1.0" encoding="utf-8"?>
<network-security-config>
<base-config cleartextTrafficPermitted="true">
<trust-anchors>
<certificates src="system" overridePins="true" />
<certificates src="user" overridePins="true" />
</trust-anchors>
</base-config>
</network-security-config>
然後在manifests中application屬性添加
android:networkSecurityConfig="@xml/network_security_config"
就OK了