Android自定义SeekBar滑动显示数字

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>


 

 

 
 

 

 
 

private void init(Context context, AttributeSet attrs, int defStyle) {
 View view = LayoutInflater.from(context).inflate(
  R.layout.view_seekbar_indicated, this);
 bindViews(view);

 if (attrs != null)
  setAttributes(context, attrs, defStyle);
 mSeekBar.setOnSeekBarChangeListener(this);
 mTextViewProgress.setText(String.valueOf(mSeekBar.getProgress()));

 getViewTreeObserver().addOnGlobalLayoutListener(
  new ViewTreeObserver.OnGlobalLayoutListener() {
   @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
   @Override
   public void onGlobalLayout() {
   mMeasuredWidth = mSeekBar.getWidth()
    - mSeekBar.getPaddingLeft()
    - mSeekBar.getPaddingRight();
   mSeekBar.setPadding(
    mSeekBar.getPaddingLeft(),
    mSeekBar.getPaddingTop()
     + mWrapperIndicator.getHeight(),
    mSeekBar.getPaddingRight(),
    mSeekBar.getPaddingBottom());
   setIndicator();
   getViewTreeObserver()
    .removeOnGlobalLayoutListener(this);
   }
  });
 // mWrapperIndicator.setVisibility(View.GONE);
 }

 @Override
 public void onProgressChanged(SeekBar seekBar, int progress,
     boolean fromUser) {
 setIndicator();
 if (mOnSeekBarChangeListener != null)
  mOnSeekBarChangeListener.onProgressChanged(seekBar, progress,
   fromUser);
 }

 @Override
 public void onStartTrackingTouch(SeekBar seekBar) {
 if (mOnSeekBarChangeListener != null) {
  mOnSeekBarChangeListener.onStartTrackingTouch(seekBar);
  mWrapperIndicator.setVisibility(View.VISIBLE);
 }
 }

 @Override
 public void onStopTrackingTouch(SeekBar seekBar) {
 if (mOnSeekBarChangeListener != null) {
  mOnSeekBarChangeListener.onStopTrackingTouch(seekBar);
  mWrapperIndicator.setVisibility(View.GONE);
 }
 }