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am 4a799925: Merge "Fix NumberPicker.setWrapSelectorWheel(boolean) not respecting user choice" into mnc-dev

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* commit '4a79992591bd9971764b504bfe10cad656edf632':
  Fix NumberPicker.setWrapSelectorWheel(boolean) not respecting user choice
This commit is contained in:
Doris Liu
2015-06-20 00:39:42 +00:00
committed by Android Git Automerger
parent b72f37e353 4a79992591
commit 5bfdb772f6
1 changed files with 21 additions and 7 deletions
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28
core/java/android/widget/NumberPicker.java
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@@ -148,6 +148,11 @@ public class NumberPicker extends LinearLayout {
*/
private static final int SIZE_UNSPECIFIED = -1;
/**
* User choice on whether the selector wheel should be wrapped.
*/
private boolean mWrapSelectorWheelPreferred = true;
/**
* Use a custom NumberPicker formatting callback to use two-digit minutes
* strings like "01". Keeping a static formatter etc. is the most efficient
@@ -1353,10 +1358,21 @@ public class NumberPicker extends LinearLayout {
* @param wrapSelectorWheel Whether to wrap.
*/
public void setWrapSelectorWheel(boolean wrapSelectorWheel) {
mWrapSelectorWheelPreferred = wrapSelectorWheel;
updateWrapSelectorWheel();
}
/**
* Whether or not the selector wheel should be wrapped is determined by user choice and whether
* the choice is allowed. The former comes from {@link #setWrapSelectorWheel(boolean)}, the
* latter is calculated based on min & max value set vs selector's visual length. Therefore,
* this method should be called any time any of the 3 values (i.e. user choice, min and max
* value) gets updated.
*/
private void updateWrapSelectorWheel() {
final boolean wrappingAllowed = (mMaxValue - mMinValue) >= mSelectorIndices.length;
if ((!wrapSelectorWheel || wrappingAllowed) && wrapSelectorWheel != mWrapSelectorWheel) {
mWrapSelectorWheel = wrapSelectorWheel;
}
mWrapSelectorWheel = wrappingAllowed && mWrapSelectorWheelPreferred;
}
/**
@@ -1412,8 +1428,7 @@ public class NumberPicker extends LinearLayout {
if (mMinValue > mValue) {
mValue = mMinValue;
}
boolean wrapSelectorWheel = mMaxValue - mMinValue > mSelectorIndices.length;
setWrapSelectorWheel(wrapSelectorWheel);
updateWrapSelectorWheel();
initializeSelectorWheelIndices();
updateInputTextView();
tryComputeMaxWidth();
@@ -1450,8 +1465,7 @@ public class NumberPicker extends LinearLayout {
if (mMaxValue < mValue) {
mValue = mMaxValue;
}
boolean wrapSelectorWheel = mMaxValue - mMinValue > mSelectorIndices.length;
setWrapSelectorWheel(wrapSelectorWheel);
updateWrapSelectorWheel();
initializeSelectorWheelIndices();
updateInputTextView();
tryComputeMaxWidth();