解决Android：Installation error: INSTALL_FAILED_MEDIA_UNAVAILABLE问题

问题描述

在运行Android 程序时，会报如下错误：

Installation error: INSTALL_FAILED_MEDIA_UNAVAILABLEPlease check logcat output for more details.Launch canceled!

解决方法

1. 输入命令adb shell
2. 设置由系统决定安装在哪个位置

pm set-install-location 0

pm set-install-location: changes the default install location.
0 [auto] : Let system decide the best location
1 [internal] : Install on internal device storage
2 [external] : Install on external media