adb shell am start -a android.media.action.STILL_IMAGE_CAMERA 启动camera
adb shell input keyevent 27 //camera 键
adb shell input keyevent 4 //back 键
com.android.camera2 是高通camera的packge 名
adb uninstall com.android.camera2
原文：http://www.cnblogs.com/soc-linux-driver/p/4097885.html