Android Open Source - Planets-Gradle Notifying Scroll View

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License

The source code is released under:

Apache License

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Java Source Code

package com.andrewq.planets.util;
/*w  ww .ja v a  2  s  .  co m*/
import android.content.Context;
import android.util.AttributeSet;
import android.widget.ScrollView;

/**
 * @author Cyril Mottier
 */
public class NotifyingScrollView extends ScrollView {

    public interface OnScrollChangedListener {
        void onScrollChanged(ScrollView who, int l, int t, int oldl, int oldt);
    }

    private OnScrollChangedListener mOnScrollChangedListener;

    public NotifyingScrollView(Context context) {
        super(context);
    }

    public NotifyingScrollView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public NotifyingScrollView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    @Override
    protected void onScrollChanged(int l, int t, int oldl, int oldt) {
        super.onScrollChanged(l, t, oldl, oldt);
        if (mOnScrollChangedListener != null) {
            mOnScrollChangedListener.onScrollChanged(this, l, t, oldl, oldt);
        }
    }

    public void setOnScrollChangedListener(OnScrollChangedListener listener) {
        mOnScrollChangedListener = listener;
    }

    private boolean mIsOverScrollEnabled = false;

    public void setOverScrollEnabled(boolean enabled) {
        mIsOverScrollEnabled = enabled;
    }

    public boolean isOverScrollEnabled() {
        return mIsOverScrollEnabled;
    }

    @Override
    protected boolean overScrollBy(int deltaX, int deltaY, int scrollX, int scrollY, int scrollRangeX, int scrollRangeY,
                                   int maxOverScrollX, int maxOverScrollY, boolean isTouchEvent) {
        return super.overScrollBy(
                deltaX,
                deltaY,
                scrollX,
                scrollY,
                scrollRangeX,
                scrollRangeY,
                mIsOverScrollEnabled ? maxOverScrollX : 0,
                mIsOverScrollEnabled ? maxOverScrollY : 0,
                isTouchEvent);
    }

}

Java Source Code List