Fixed the NumberPicker to adjust to the closest value while scrolling/flinging (34c0688c) · Commits · e / os / android_frameworks_base

core/java/android/widget/NumberPicker.java

+13 −2

Original line number	Diff line number	Diff line
		@@ -743,11 +743,13 @@ public class NumberPicker extends LinearLayout {
		mSelectorElementHeight = mTextSize + selectorTextGapHeight;
		}

		if (!mWrapSelectorWheel && y > 0 && selectorIndices[SELECTOR_MIDDLE_ITEM_INDEX] <= mMinValue) {
		if (!mWrapSelectorWheel && y > 0
		&& selectorIndices[SELECTOR_MIDDLE_ITEM_INDEX] <= mMinValue) {
		mCurrentScrollOffset = mInitialScrollOffset;
		return;
		}
		if (!mWrapSelectorWheel && y < 0 && selectorIndices[SELECTOR_MIDDLE_ITEM_INDEX] >= mMaxValue) {
		if (!mWrapSelectorWheel && y < 0
		&& selectorIndices[SELECTOR_MIDDLE_ITEM_INDEX] >= mMaxValue) {
		mCurrentScrollOffset = mInitialScrollOffset;
		return;
		}
		@@ -1534,7 +1536,16 @@ public class NumberPicker extends LinearLayout {
		class AdjustScrollerCommand implements Runnable {
		public void run() {
		mPreviousScrollerY = 0;
		if (mInitialScrollOffset == mCurrentScrollOffset) {
		showInputControls();
		updateInputTextView();
		return;
		}
		// adjust to the closest value
		int deltaY = mInitialScrollOffset - mCurrentScrollOffset;
		if (Math.abs(deltaY) > mSelectorElementHeight / 2) {
		deltaY += (deltaY > 0) ? -mSelectorElementHeight : mSelectorElementHeight;
		}
		float delayCoef = (float) Math.abs(deltaY) / (float) mTextSize;
		int duration = (int) (delayCoef * SELECTOR_ADJUSTMENT_DURATION_MILLIS);
		mAdjustScroller.startScroll(0, 0, 0, deltaY, duration);