fix(gamepad): handle dpad events without associated device

Author: Mathias-Boulay

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/customcontrols/gamepad/GamepadDpad.java

@@ -2,61 +2,12 @@
 
 import static android.view.InputDevice.KEYBOARD_TYPE_ALPHABETIC;
 import static android.view.InputDevice.SOURCE_GAMEPAD;
-import static android.view.KeyEvent.KEYCODE_DPAD_CENTER;
-import static android.view.KeyEvent.KEYCODE_DPAD_DOWN;
-import static android.view.KeyEvent.KEYCODE_DPAD_LEFT;
-import static android.view.KeyEvent.KEYCODE_DPAD_RIGHT;
-import static android.view.KeyEvent.KEYCODE_DPAD_UP;
 
-import android.view.InputDevice;
 import android.view.KeyEvent;
-import android.view.MotionEvent;
 
 
 public class GamepadDpad {
-    private int mLastKeycode = KEYCODE_DPAD_CENTER;
-
-    /**
-     * Convert the event to a 2 int array: keycode and keyAction, similar to a keyEvent
-     * @param event The motion to convert
-     * @return int[0] keycode, int[1] keyAction
-     */
-    public int[] convertEvent(MotionEvent event){
-        // Use the hat axis value to find the D-pad direction
-        float xaxis = event.getAxisValue(MotionEvent.AXIS_HAT_X);
-        float yaxis = event.getAxisValue(MotionEvent.AXIS_HAT_Y);
-        int action = KeyEvent.ACTION_DOWN;
-
-        // Check if the AXIS_HAT_X value is -1 or 1, and set the D-pad
-        // LEFT and RIGHT direction accordingly.
-        if (Float.compare(xaxis, -1.0f) == 0) {
-            mLastKeycode = KEYCODE_DPAD_LEFT;
-        } else if (Float.compare(xaxis, 1.0f) == 0) {
-            mLastKeycode = KEYCODE_DPAD_RIGHT;
-        }
-        // Check if the AXIS_HAT_Y value is -1 or 1, and set the D-pad
-        // UP and DOWN direction accordingly.
-        else if (Float.compare(yaxis, -1.0f) == 0) {
-            mLastKeycode = KEYCODE_DPAD_UP;
-        } else if (Float.compare(yaxis, 1.0f) == 0) {
-            mLastKeycode = KEYCODE_DPAD_DOWN;
-        }else {
-            //No keycode change
-            action = KeyEvent.ACTION_UP;
-        }
-
-        return new int[]{mLastKeycode, action};
-
-    }
-
-    @SuppressWarnings("unused") public static boolean isDpadEvent(MotionEvent event) {
-        // Check that input comes from a device with directional pads.
-        // And... also the joystick since it declares sometimes as a joystick.
-        return (event.getSource() & InputDevice.SOURCE_JOYSTICK) == InputDevice.SOURCE_JOYSTICK;
-    }
-
-    public static boolean isDpadEvent(KeyEvent event){
-        //return ((event.getSource() & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD) && (event.getDevice().getKeyboardType() == KEYBOARD_TYPE_NON_ALPHABETIC);
-        return event.isFromSource(SOURCE_GAMEPAD) && event.getDevice().getKeyboardType() != KEYBOARD_TYPE_ALPHABETIC;
+    public static boolean isDpadEvent(KeyEvent event) {
+        return event.isFromSource(SOURCE_GAMEPAD) && (event.getDevice() == null || event.getDevice().getKeyboardType() != KEYBOARD_TYPE_ALPHABETIC);
     }
 }