SeekBar.java

package org.holoeverywhere.widget;

import android.annotation.SuppressLint;
import android.content.Context;
import android.util.AttributeSet;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;

public class SeekBar extends AbsSeekBar {
    public interface OnSeekBarChangeListener {
        void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser);

        void onStartTrackingTouch(SeekBar seekBar);

        void onStopTrackingTouch(SeekBar seekBar);
    }

    private OnSeekBarChangeListener mOnSeekBarChangeListener;

    public SeekBar(Context context) {
        this(context, null);
    }

    public SeekBar(Context context, AttributeSet attrs) {
        this(context, attrs, android.R.attr.seekBarStyle);
    }

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

    @Override
    @SuppressLint("NewApi")
    public void onInitializeAccessibilityEvent(AccessibilityEvent event) {
        super.onInitializeAccessibilityEvent(event);
        event.setClassName(SeekBar.class.getName());
    }

    @Override
    @SuppressLint("NewApi")
    public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
        super.onInitializeAccessibilityNodeInfo(info);
        info.setClassName(SeekBar.class.getName());
    }

    @Override
    public void onProgressRefresh(float scale, boolean fromUser) {
        super.onProgressRefresh(scale, fromUser);
        if (mOnSeekBarChangeListener != null) {
            mOnSeekBarChangeListener.onProgressChanged(this, getProgress(),
                    fromUser);
        }
    }

    @Override
    void onStartTrackingTouch() {
        super.onStartTrackingTouch();
        if (mOnSeekBarChangeListener != null) {
            mOnSeekBarChangeListener.onStartTrackingTouch(this);
        }
    }

    @Override
    void onStopTrackingTouch() {
        super.onStopTrackingTouch();
        if (mOnSeekBarChangeListener != null) {
            mOnSeekBarChangeListener.onStopTrackingTouch(this);
        }
    }

    public void setOnSeekBarChangeListener(OnSeekBarChangeListener l) {
        mOnSeekBarChangeListener = l;
    }
}