Example usage for android.widget AbsoluteLayout addView

Introduction

In this page you can find the example usage for android.widget AbsoluteLayout addView.

Prototype

public void addView(View child) 

Source Link

Document

Adds a child view.

Usage

From source file:com.hippo.widget.Slider.java

@SuppressWarnings("deprecation")
private void init(Context context, AttributeSet attrs) {
    mContext = context;/*from  w w  w.ja v  a  2s .co m*/
    mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    Paint textPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    textPaint.setTextAlign(Paint.Align.CENTER);

    Resources resources = context.getResources();
    mBubbleMinWidth = resources.getDimensionPixelOffset(R.dimen.slider_bubble_width);
    mBubbleMinHeight = resources.getDimensionPixelOffset(R.dimen.slider_bubble_height);

    mBubble = new BubbleView(context, textPaint);
    mBubble.setScaleX(0.0f);
    mBubble.setScaleY(0.0f);
    AbsoluteLayout absoluteLayout = new AbsoluteLayout(context);
    absoluteLayout.addView(mBubble);
    absoluteLayout.setBackgroundDrawable(null);
    mPopup = new PopupWindow(absoluteLayout);
    mPopup.setOutsideTouchable(false);
    mPopup.setTouchable(false);
    mPopup.setFocusable(false);

    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Slider);
    textPaint.setColor(a.getColor(R.styleable.Slider_textColor, Color.WHITE));
    textPaint.setTextSize(a.getDimensionPixelSize(R.styleable.Slider_textSize, 12));

    updateTextSize();

    setRange(a.getInteger(R.styleable.Slider_start, 0), a.getInteger(R.styleable.Slider_end, 0));
    setProgress(a.getInteger(R.styleable.Slider_slider_progress, 0));
    mThickness = a.getDimension(R.styleable.Slider_thickness, 2);
    mRadius = a.getDimension(R.styleable.Slider_radius, 6);
    setColor(a.getColor(R.styleable.Slider_color, Color.BLACK));

    mBgPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mBgPaint.setColor(a.getBoolean(R.styleable.Slider_dark, false) ? 0x4dffffff : 0x42000000);

    a.recycle();

    mProgressAnimation = new ValueAnimator();
    mProgressAnimation.setInterpolator(AnimationUtils.FAST_SLOW_INTERPOLATOR);
    mProgressAnimation.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(@NonNull ValueAnimator animation) {
            float value = (Float) animation.getAnimatedValue();
            mDrawPercent = value;
            mDrawProgress = Math.round(MathUtils.lerp((float) mStart, mEnd, value));
            updateBubblePosition();
            mBubble.setProgress(mDrawProgress);
            invalidate();
        }
    });

    mBubbleScaleAnimation = new ValueAnimator();
    mBubbleScaleAnimation.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(@NonNull ValueAnimator animation) {
            float value = (Float) animation.getAnimatedValue();
            mDrawBubbleScale = value;
            mBubble.setScaleX(value);
            mBubble.setScaleY(value);
            invalidate();
        }
    });
}

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