Causes and workarounds for "android:clickable=" false "invalid" in android-configuration file

Problems encountered in the development: to implement a button initially is not clickable, so in the configuration file set android:clickable= "False" after the run found or can be clicked, and wrote in the activity: btn.setclickable ( FALSE); It is still possible to click on the Internet to find out that Android setclickable must be placed after the Setonclicklistener event of the button!
Because the Setonclicklistener event will rewrite View V, which will set setclickable to true!
So be sure to write:

Getfinger.setonclicklistener (this);
//Set two buttons as non-clickable
getfinger.setclickable (false);hope to bring you help, thank you.

Causes and workarounds for "android:clickable=" false "invalid" in android-configuration file