TerminalSeekBar.java 文件源码

/**
 * getting the fields initialized ...
 */
private void initialize() {

    absLeft = getPaddingLeft() + mPaddingSize;
    absRight = getWidth() - getPaddingRight() - mPaddingSize;
    absTop = getPaddingTop() + mPaddingSize;
    absBottom = getHeight() - getPaddingBottom() - mPaddingSize;

    thumbRadius = thumbHeight / 2;
    mPaddingSize = (int) thumbRadius;
    barWidth = absRight - absLeft;

    mSeekBarRect = new Rect(absLeft, absTop, absRight, absTop + barHeight);

    mSeekBarGradient = new LinearGradient(0, 0, mSeekBarRect.width(), 0, mBarColor, mBarColor, Shader.TileMode.MIRROR);
    mBarRectPaint = new Paint();
    mBarRectPaint.setShader(mSeekBarGradient);
    mBarRectPaint.setAntiAlias(true);

    terminalRadius = barHeight / 2 + 5;

}