Merge "Prevent crash in AbsSpinner when the selection is out of sync. Bug #196253"

import android.util.SparseArray;

import android.view.View;

import android.view.ViewGroup;

import android.view.animation.Interpolator;

/**

 * An abstract base class for spinner widgets. SDK users will probably not

 * @attr ref android.R.styleable#AbsSpinner_entries

 */

public abstract class AbsSpinner extends AdapterView<SpinnerAdapter> {

    SpinnerAdapter mAdapter;

    int mHeightMeasureSpec;

    int mWidthMeasureSpec;

    boolean mBlockLayoutRequests;

    int mSelectionLeftPadding = 0;

    int mSelectionTopPadding = 0;

    int mSelectionRightPadding = 0;

    int mSelectionBottomPadding = 0;

    Rect mSpinnerPadding = new Rect();

    View mSelectedView = null;

    Interpolator mInterpolator;

    final Rect mSpinnerPadding = new Rect();

    RecycleBin mRecycler = new RecycleBin();

    final RecycleBin mRecycler = new RecycleBin();

    private DataSetObserver mDataSetObserver;

    /** Temporary frame to hold a child View's frame rectangle */

    private Rect mTouchFrame;

        setWillNotDraw(false);

    }

    /**

     * The Adapter is used to provide the data which backs this Spinner.

     * It also provides methods to transform spinner items based on their position

        boolean needsMeasuring = true;

        int selectedPosition = getSelectedItemPosition();

        if (selectedPosition >= 0 && mAdapter != null) {

        if (selectedPosition >= 0 && mAdapter != null && selectedPosition < mAdapter.getCount()) {

            // Try looking in the recycler. (Maybe we were measured once already)

            View view = mRecycler.get(selectedPosition);

            if (view == null) {

        mWidthMeasureSpec = widthMeasureSpec;

    }

    int getChildHeight(View child) {

        return child.getMeasuredHeight();

    }

    }

    void recycleAllViews() {

        int childCount = getChildCount();

        final int childCount = getChildCount();

        final AbsSpinner.RecycleBin recycleBin = mRecycler;

        final int position = mFirstPosition;

        // All views go in recycler

        for (int i = 0; i < childCount; i++) {

            View v = getChildAt(i);

            int index = mFirstPosition + i;

            int index = position + i;

            recycleBin.put(index, v);

        }  

    }

    @Override

    void handleDataChanged() {

        // FIXME -- this is called from both measure and layout.

        // This is harmless right now, but we don't want to do redundant work if

        // this gets more complicated

       super.handleDataChanged();

    }

    /**

     * Jump directly to a specific item in the adapter data.

     */

        setSelectionInt(position, shouldAnimate);

    }

    @Override

    public void setSelection(int position) {

        setNextSelectedPositionInt(position);

        }

    }

    @Override

    public SpinnerAdapter getAdapter() {

        return mAdapter;

    }

    class RecycleBin {

        private SparseArray<View> mScrapHeap = new SparseArray<View>();

        private final SparseArray<View> mScrapHeap = new SparseArray<View>();

        public void put(int position, View v) {

            mScrapHeap.put(position, v);

            return result;

        }

        View peek(int position) {

            // System.out.print("Looking for " + position);

            return mScrapHeap.get(position);

        }

        void clear() {

            final SparseArray<View> scrapHeap = mScrapHeap;

            final int count = scrapHeap.size();