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Bug 2216

Summary: [Android] Duplicate button presses
Product: SDL Reporter: ny00
Component: joystickAssignee: Gabriel Jacobo <gabomdq>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P2 CC: gabomdq
Version: HG 2.1   
Hardware: All   
OS: Android (All)   

Description ny00 2013-11-07 13:54:42 UTC 
Concerning the recent inclusion of joystick support for Android, it is the case that the testjoystick app reports dual button presses. That is, once a gamepad button is pressed, it reports two buttons getting pressed. When released, both are reported as released.

After modifying the java file a bit, it seems like the reason is as follows:

Concerning the function onKey, if a gamepad button press/release is detected, the value of 'true' is *not* returned as expected. Rather, 'false' is returned.

This may result in an additional, synthesized KeyEvent with keycode KEYCODE_DPAD_CENTER, as hinted here:

http://developer.android.com/reference/android/view/KeyEvent.html#KEYCODE_DPAD_CENTER


So, the fix is: Always return 'true' after handling a gamepad button.
Comment 1 Gabriel Jacobo 2013-11-10 17:21:44 UTC 
It seems this got fixed here: http://hg.libsdl.org/SDL/rev/8cff978e06e9