Unknown Android little knowledge, let your development like a fish in water, quickly to collect it

These are some very useful tips THAT I’ve accumulated in my daily development. Share it and add it to your collection

1. Pull up the application through the shell

Pull up application: adb shell am start - n com. Example. The app/com. Example. App. LauncherActivity force:  adb shell am force-stop com.example.appCopy the code

2. Hidden system Toast:

appops set android TOAST_WINDOW deny
appops set com.android.systemui TOAST_WINDOW deny
Copy the code

3. Toast a Toast

adb shell uiautomator events
Copy the code

4. Turn on/off USB ADB:

settings put global adb_enabled 0
settings put global adb_enabled 1
Copy the code

5. Adb Port Forwarding

adb reverse tcp:8080 tcp:8080
adb forward tcp:8080 tcp:8080
Copy the code

6. Set screen Brightness

settings put system screen_brightness 0; / / 0-255Copy the code

7. Lists configurable items

    adb shell settings list system
    adb shell settings list global
    adb shell settings list secure
Copy the code

8. Sending broadcasts in command line mode

am broadcast -a com.example.app.ACTION --es k v
Copy the code

9. The shell command sets the default input method

$ adb shell ime
usage: ime list [-a] [-s]
       ime enable ID
       ime disable ID
       ime set ID
Copy the code