import org.adw.library.widgets.discreteseekbar.R; //导入依赖的package包/类
public Marker(Context context, AttributeSet attrs) {
    this(context, attrs, R.attr.discreteSeekBarStyle);
}
 

import org.adw.library.widgets.discreteseekbar.R; //导入依赖的package包/类
public Marker(Context context, AttributeSet attrs, int defStyleAttr, String maxValue, int thumbSize, int separation) {
    super(context, attrs, defStyleAttr);
    //as we're reading the parent DiscreteSeekBar attributes, it may wrongly set this view's visibility.
    setVisibility(View.VISIBLE);

    DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics();
    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.DiscreteSeekBar,
            R.attr.discreteSeekBarStyle, R.style.Widget_DiscreteSeekBar);

    int padding = (int) (PADDING_DP * displayMetrics.density) * 2;
    int textAppearanceId = a.getResourceId(R.styleable.DiscreteSeekBar_dsb_indicatorTextAppearance,
            R.style.Widget_DiscreteIndicatorTextAppearance);
    mNumber = new TextView(context);
    //Add some padding to this textView so the bubble has some space to breath
    mNumber.setPadding(padding, 0, padding, 0);
    mNumber.setTextAppearance(context, textAppearanceId);
    mNumber.setGravity(Gravity.CENTER);
    mNumber.setText(maxValue);
    mNumber.setMaxLines(1);
    mNumber.setSingleLine(true);
    SeekBarCompat.setTextDirection(mNumber, TEXT_DIRECTION_LOCALE);
    mNumber.setVisibility(View.INVISIBLE);

    //add some padding for the elevation shadow not to be clipped
    //I'm sure there are better ways of doing this...
    setPadding(padding, padding, padding, padding);

    resetSizes(maxValue);

    mSeparation = separation;
    ColorStateList color = a.getColorStateList(R.styleable.DiscreteSeekBar_dsb_indicatorColor);
    mMarkerDrawable = new MarkerDrawable(color, thumbSize);
    mMarkerDrawable.setCallback(this);
    mMarkerDrawable.setMarkerListener(this);
    mMarkerDrawable.setExternalOffset(padding);

    //Elevation for anroid 5+
    float elevation = a.getDimension(R.styleable.DiscreteSeekBar_dsb_indicatorElevation, ELEVATION_DP * displayMetrics.density);
    ViewCompat.setElevation(this, elevation);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        SeekBarCompat.setOutlineProvider(this, mMarkerDrawable);
    }
    a.recycle();
}
 

import org.adw.library.widgets.discreteseekbar.R; //导入依赖的package包/类
public Marker(Context context, AttributeSet attrs, int defStyleAttr, String maxValue, int thumbSize, int separation) {
    super(context, attrs, defStyleAttr);
    //as we're reading the parent DiscreteSeekBar attributes, it may wrongly set this view's visibility.
    setVisibility(View.VISIBLE);
    
    DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics();
    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.DiscreteSeekBar,
            R.attr.discreteSeekBarStyle, R.style.Widget_DiscreteSeekBar);

    int padding = (int) (PADDING_DP * displayMetrics.density) * 2;
    int textAppearanceId = a.getResourceId(R.styleable.DiscreteSeekBar_dsb_indicatorTextAppearance,
            R.style.Widget_DiscreteIndicatorTextAppearance);
    mNumber = new TextView(context);
    //Add some padding to this textView so the bubble has some space to breath
    mNumber.setPadding(padding, 0, padding, 0);
    mNumber.setTextAppearance(context, textAppearanceId);
    mNumber.setGravity(Gravity.CENTER);
    mNumber.setText(maxValue);
    mNumber.setMaxLines(1);
    mNumber.setSingleLine(true);
    SeekBarCompat.setTextDirection(mNumber, TEXT_DIRECTION_LOCALE);
    mNumber.setVisibility(View.INVISIBLE);

    //add some padding for the elevation shadow not to be clipped
    //I'm sure there are better ways of doing this...
    setPadding(padding, padding, padding, padding);

    resetSizes(maxValue);

    mSeparation = separation;
    ColorStateList color = a.getColorStateList(R.styleable.DiscreteSeekBar_dsb_indicatorColor);
    mMarkerDrawable = new MarkerDrawable(color, thumbSize);
    mMarkerDrawable.setCallback(this);
    mMarkerDrawable.setMarkerListener(this);
    mMarkerDrawable.setExternalOffset(padding);

    //Elevation for anroid 5+
    float elevation = a.getDimension(R.styleable.DiscreteSeekBar_dsb_indicatorElevation, ELEVATION_DP * displayMetrics.density);
    ViewCompat.setElevation(this, elevation);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        SeekBarCompat.setOutlineProvider(this, mMarkerDrawable);
    }
    a.recycle();
}