以查找com.web.app为例。
获取应用的包名/activity名称：
1）打开应用
2）输入命令adb shell dumpsys activity activities
affinity=com.web.app
intent={act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.web.app/.WelcomeActivity}
查找包名：adb shell pm list packages | grep bq
package: com.web.app
查找Main Activity：adb shell "cmd package resolve-activity --brief package: com.web.app|tail -n 1"
% adb shell pm dump com.web.app| grep -A 1 MAIN
android.intent.action.MAIN:
a88942c com.web.app/.WelcomeActivity filter a90f3a9
--
Action: "android.intent.action.MAIN"
Category: "android.intent.category.LAUNCHER"
从设备获取apk：adb shell pm list packages -f | grep bq
package:/data/app/com.web.app-5YAAo-bMk33qItMJ8_3o8w==/base.apk=com.web.app
adb获取android系统版本：% adb shell getprop ro.build.version.release
adb获取android系统api版本：
adb shell getprop ro.build.version.sdk
获取手机相关制造商信息：
adb shell getprop | grep "model\|version.sdk\|manufacturer\|hardware\|platform\|revision\|serialno\|product.name\|brand"