detect

Is it possible to detect Android app uninstall?

由 非 Y 不嫁゛ 提交于 2019-11-25 23:37:48
问题 My app is using Google\'s C2DM (push notification) to notify users about new activity from friends. Once they install the app I register the device with C2DM servers and store user\'s phone number. So I know that the user is using my app and I can send him/her the push notifications. But what happens if users uninstalls my app, is there a way to catch it in my app? Or the only way is to catch an error on my server when I send a C2DM and it\'s unreachable, then mark a user as inactive? I would

detect key press in python?

由 空扰寡人 提交于 2019-11-25 22:02:39
I am making a stopwatch type program in python and I would like to know how to detect if a key is pressed (such as p for pause and s for stop), and I would not like it to be something like raw_input that waits for the user's input before continuing execution. Anyone know how to do this in a while loop? Also, I would like to make this cross-platform, but if that is not possible, then my main development target is linux Python has a keyboard module with many features. Install it, perhaps with this command: pip3 install keyboard Then use it in code like: import keyboard # using module keyboard
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