/**
* initialize method, called inside the Chart.init() method. backwards compatibility - to not
* break existing code
*
* @param res
*/
@Deprecated
public static void init(Resources res) {
mMetrics = res.getDisplayMetrics();
// noinspection deprecation
mMinimumFlingVelocity = ViewConfiguration.getMinimumFlingVelocity();
// noinspection deprecation
mMaximumFlingVelocity = ViewConfiguration.getMaximumFlingVelocity();
}
/**
* initialize method, called inside the Chart.init() method.
*
* @param res
*/
@SuppressWarnings("deprecation")
public static void init(Context context) {
if (context == null) {
// noinspection deprecation
mMinimumFlingVelocity = ViewConfiguration.getMinimumFlingVelocity();
// noinspection deprecation
mMaximumFlingVelocity = ViewConfiguration.getMaximumFlingVelocity();
Log.e("MPAndroidChart, Utils.init(...)", "PROVIDED CONTEXT OBJECT IS NULL");
} else {
ViewConfiguration viewConfiguration = ViewConfiguration.get(context);
mMinimumFlingVelocity = viewConfiguration.getScaledMinimumFlingVelocity();
mMaximumFlingVelocity = viewConfiguration.getScaledMaximumFlingVelocity();
Resources res = context.getResources();
mMetrics = res.getDisplayMetrics();
}
}
@Test
public void methodsShouldReturnAndroidConstants() {
Activity context = new Activity();
ViewConfiguration viewConfiguration = ViewConfiguration.get(context);
assertEquals(10, ViewConfiguration.getScrollBarSize());
assertEquals(250, ViewConfiguration.getScrollBarFadeDuration());
assertEquals(300, ViewConfiguration.getScrollDefaultDelay());
assertEquals(12, ViewConfiguration.getFadingEdgeLength());
assertEquals(125, ViewConfiguration.getPressedStateDuration());
assertEquals(500, ViewConfiguration.getLongPressTimeout());
assertEquals(115, ViewConfiguration.getTapTimeout());
assertEquals(500, ViewConfiguration.getJumpTapTimeout());
assertEquals(300, ViewConfiguration.getDoubleTapTimeout());
assertEquals(12, ViewConfiguration.getEdgeSlop());
assertEquals(16, ViewConfiguration.getTouchSlop());
assertEquals(16, ViewConfiguration.getWindowTouchSlop());
assertEquals(50, ViewConfiguration.getMinimumFlingVelocity());
assertEquals(4000, ViewConfiguration.getMaximumFlingVelocity());
assertEquals(320 * 480 * 4, ViewConfiguration.getMaximumDrawingCacheSize());
assertEquals(3000, ViewConfiguration.getZoomControlsTimeout());
assertEquals(500, ViewConfiguration.getGlobalActionKeyTimeout());
assertEquals(0.015f, ViewConfiguration.getScrollFriction());
assertEquals(1f, context.getResources().getDisplayMetrics().density);
assertEquals(10, viewConfiguration.getScaledScrollBarSize());
assertEquals(12, viewConfiguration.getScaledFadingEdgeLength());
assertEquals(12, viewConfiguration.getScaledEdgeSlop());
assertEquals(16, viewConfiguration.getScaledTouchSlop());
assertEquals(32, viewConfiguration.getScaledPagingTouchSlop());
assertEquals(100, viewConfiguration.getScaledDoubleTapSlop());
assertEquals(16, viewConfiguration.getScaledWindowTouchSlop());
assertEquals(50, viewConfiguration.getScaledMinimumFlingVelocity());
assertEquals(4000, viewConfiguration.getScaledMaximumFlingVelocity());
}