Android studio 手机安装测试，一直安装失败。

Installation did not succeed. The application could not be installed: INSTALL_FAILED_TEST_ONLY Installation failed due to: 'null'

问题：

解决方法：

在gradle.properties中添加 android.injected.testOnly=false

结果：

成功了，有用的话就点个

赞 吧，谢谢了。