Java Code Examples for android.view.MotionEvent#getHistoricalAxisValue()

The following examples show how to use android.view.MotionEvent#getHistoricalAxisValue() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: AndroidView.java    From Alite with GNU General Public License v3.0 6 votes vote down vote up 
private static float getCenteredAxis(MotionEvent event,
        InputDevice device, int axis, int historyPos) {
    final InputDevice.MotionRange range =
            device.getMotionRange(axis, event.getSource());

    // A joystick at rest does not always report an absolute position of
    // (0,0). Use the getFlat() method to determine the range of values
    // bounding the joystick axis center.
    if (range != null) {
        final float flat = range.getFlat();
        final float value =
                historyPos < 0 ? event.getAxisValue(axis):
                event.getHistoricalAxisValue(axis, historyPos);

        // Ignore axis values that are within the 'flat' region of the
        // joystick axis center.
        if (Math.abs(value) > flat) {
            return value;
        }
    }
    return 0;
}
Example 2
Source File: GameView.java    From bluetooth with Apache License 2.0 6 votes vote down vote up 
private static float getCenteredAxis(MotionEvent event, InputDevice device,
        int axis, int historyPos) {
    final InputDevice.MotionRange range = device.getMotionRange(axis, event.getSource());
    if (range != null) {
        final float flat = range.getFlat();
        final float value = historyPos < 0 ? event.getAxisValue(axis)
                : event.getHistoricalAxisValue(axis, historyPos);

        // Ignore axis values that are within the 'flat' region of the
        // joystick axis center.
        // A joystick at rest does not always report an absolute position of
        // (0,0).
        if (Math.abs(value) > flat) {
            return value;
        }
    }
    return 0;
}
Example 3
Source File: GameView.java    From codeexamples-android with Eclipse Public License 1.0 6 votes vote down vote up 
private static float getCenteredAxis(MotionEvent event, InputDevice device,
        int axis, int historyPos) {
    final InputDevice.MotionRange range = device.getMotionRange(axis, event.getSource());
    if (range != null) {
        final float flat = range.getFlat();
        final float value = historyPos < 0 ? event.getAxisValue(axis)
                : event.getHistoricalAxisValue(axis, historyPos);

        // Ignore axis values that are within the 'flat' region of the joystick axis center.
        // A joystick at rest does not always report an absolute position of (0,0).
        if (Math.abs(value) > flat) {
            return value;
        }
    }
    return 0;
}