Android studio自动安装releaseAPK

微信开放平台注册的时候用的release的keystore，所有调试的时候需要用release的keystore打包，每次调试都特别麻烦，写个脚本自动安装。

#!/bin/bash
gradle clean build
adb uninstall {packagename}
adb install ./build/outputs/apk/xxxxxxxx.apk
adb shell am start -n {packagename}/{packagename.activityname}