// Retrieves the normalized coordinates (-1 to 1) for any given (x,y)
// value reported by the Android MotionEvent.
private boolean getNormalizedCoordinates(MotionEvent motionEvent) {
InputDevice device = motionEvent.getDevice();
if (device != null) {
InputDevice.MotionRange range =
device.getMotionRange(MotionEvent.AXIS_X, motionEvent.getSource());
float x = range.getMax() + 1;
range = motionEvent.getDevice().getMotionRange(MotionEvent.AXIS_Y, motionEvent.getSource());
float y = range.getMax() + 1;
this.x = (motionEvent.getX() / x * 2.0f - 1.0f);
this.y = 1.0f - motionEvent.getY() / y * 2.0f;
if (motionEvent.getAction() == MotionEvent.ACTION_SCROLL) {
this.z = (motionEvent.getAxisValue(MotionEvent.AXIS_VSCROLL) > 0 ? -1 : 1);
} else {
this.z = 0;
}
if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
this.isActive = true;
} else if (motionEvent.getAction() == MotionEvent.ACTION_UP) {
this.isActive = false;
}
return true;
}
return false;
}
private void logMotionEvent(MotionEvent event, boolean gen) {
String s = gen ? "GenericMotionEvent from " : "TouchEvent from ";
s += printDevice(event.getDeviceId()) + " source " + printSource(event.getSource());
int pointerCount = event.getPointerCount();
String action;
switch (event.getActionMasked()) {
case MotionEvent.ACTION_CANCEL:
action = "cancel";
break;
case MotionEvent.ACTION_DOWN:
action = "down";
break;
case MotionEvent.ACTION_HOVER_ENTER:
action = "hover_enter";
break;
case MotionEvent.ACTION_HOVER_EXIT:
action = "hover_exit";
break;
case MotionEvent.ACTION_HOVER_MOVE:
action = "hover_move";
break;
case MotionEvent.ACTION_MOVE:
action = "move";
break;
case MotionEvent.ACTION_OUTSIDE:
action = "outside";
break;
case MotionEvent.ACTION_POINTER_DOWN:
action = "pointer_down";
break;
case MotionEvent.ACTION_POINTER_UP:
action = "pointer_up";
break;
case MotionEvent.ACTION_UP:
action = "up";
break;
case MotionEvent.ACTION_SCROLL:
action = "scroll";
break;
default:
action = "" + event.getAction();
break;
}
s +=
", action "
+ action
+ " pointer count "
+ pointerCount
+ " buttons "
+ event.getButtonState()
+ " RawX "
+ event.getRawX()
+ " RawY "
+ event.getRawY()
+ " MetaState "
+ event.getMetaState()
+ " Flags "
+ event.getFlags()
+ "\n";
for (int p = 0; p < pointerCount; p++) {
int ptrId = event.getPointerId(p);
s +=
"Pointer id "
+ ptrId
+ " X "
+ event.getX(p)
+ " Y "
+ event.getY(p)
+ " pressure "
+ event.getPressure(p)
+ " size "
+ event.getSize(p)
+ " orientation "
+ event.getOrientation(p)
+ // (float)Math.toDegrees(event.getOrientation(p)) +
" TouchMajor "
+ event.getTouchMajor(p)
+ " TouchMinor "
+ event.getTouchMinor(p)
+ " ToolMajor "
+ event.getToolMajor(p)
+ " ToolMinor "
+ event.getToolMinor(p)
+ "\n";
for (int i = 0; i < 255; i++) {
if (event.getAxisValue(i, p) != 0.0) {
s += "Axis " + i + " " + event.axisToString(i) + ": " + event.getAxisValue(i, p);
InputDevice device = InputDevice.getDevice(event.getDeviceId());
if (device != null) {
InputDevice.MotionRange range = device.getMotionRange(i);
if (range != null) s += " range " + range.getMin() + " to " + range.getMax();
}
s += "\n";
}
}
}
pushText(s);
}