允许安装第三方应用

Android 8.0以下
临时允许
设置

adb shell settings put secure install_non_market_apps 1

查看

adb shell settings get secure install_non_market_apps

可以获取状态

0为关闭，1为开启

永久打开

diff --git a/packages/SettingsProvider/res/values/defaults.xml b/packages/SettingsProvider/res/values/defaults.xml
index dc8532ff..9f5e3ac7 100644
--- a/packages/SettingsProvider/res/values/defaults.xml
+++ b/packages/SettingsProvider/res/values/defaults.xml
@@ -38,7 +38,7 @@

    <bool name="def_bluetooth_on">true</bool>
    <bool name="def_wifi_display_on">false</bool>
-    <bool name="def_install_non_market_apps">false</bool>
+    <bool name="def_install_non_market_apps">true</bool>
    <bool name="def_package_verifier_enable">true</bool>
    <!-- Comma-separated list of location providers.
         Network location is off by default because it requires

Android 8.0以上
取消了永久授权,需要自APK自己申请相关权限.

可以参考:

https://www.jianshu.com/p/baa13455cd79