android How to sniff extra param value from an intent from a third party app

Logcat prints 05-09 08:26:17.979 I/ActivityManager( 2257): Starting activity: Intent { cmp=com .com开发者_如何学Python.pkg/.classname (has extras) } How to know what are those extra key pair values? The above log comes from a third party app which i don't have any control.

How to know what are those extra key pair values?

Call getExtras() to get the Bundle, then call keySet() to see all of the keys.

The above log comes from a third party app which i don't have any control.

Or, ask the developers of the app that is launching you what they are putting in as extras. Usually it is up to the recipient to document what extras are expected, except for standard actions (e.g., ACTION_SEND).