Example usage for android.util AttributeSet getAttributeFloatValue

Introduction

In this page you can find the example usage for android.util AttributeSet getAttributeFloatValue.

Prototype

public float getAttributeFloatValue(int index, float defaultValue);

Source Link

Document

Return the float value of attribute at 'index'.

Usage

From source file:me.henrytao.mdcore.core.MdCompat.java

/**
 * A temporary fix for android.content.res.ColorStateList.inflate
 *//* w w  w  .  j ava  2s .  c o  m*/
public static ColorStateList getColorStateList(Context context, int resId)
        throws IOException, XmlPullParserException {
    XmlResourceParser parser = context.getResources().getXml(resId);
    AttributeSet attrs = Xml.asAttributeSet(parser);
    Resources r = context.getResources();

    final int innerDepth = parser.getDepth() + 2;
    int depth;
    int type;

    List<int[]> customStateList = new ArrayList<>();
    List<Integer> customColorList = new ArrayList<>();

    while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
            && ((depth = parser.getDepth()) >= innerDepth || type != XmlPullParser.END_TAG)) {
        if (type != XmlPullParser.START_TAG || depth > innerDepth || !parser.getName().equals("item")) {
            continue;
        }
        // Parse all unrecognized attributes as state specifiers.
        int j = 0;
        final int numAttrs = attrs.getAttributeCount();
        int color = 0;
        float alpha = 1.0f;
        int[] stateSpec = new int[numAttrs];
        for (int i = 0; i < numAttrs; i++) {
            final int stateResId = attrs.getAttributeNameResource(i);
            switch (stateResId) {
            case android.R.attr.color:
                int colorAttrId = attrs.getAttributeResourceValue(i, 0);
                if (colorAttrId == 0) {
                    String colorAttrValue = attrs.getAttributeValue(i);
                    colorAttrId = Integer.valueOf(colorAttrValue.replace("?", ""));
                    color = getColorFromAttribute(context, colorAttrId);
                } else {
                    color = ContextCompat.getColor(context, colorAttrId);
                }
                break;
            case android.R.attr.alpha:
                try {
                    alpha = attrs.getAttributeFloatValue(i, 1.0f);
                } catch (Exception e) {
                    String alphaAttrValue = attrs.getAttributeValue(i);
                    alpha = getFloatFromAttribute(context, Integer.valueOf(alphaAttrValue.replace("?", "")));
                }
                break;
            default:
                stateSpec[j++] = attrs.getAttributeBooleanValue(i, false) ? stateResId : -stateResId;
            }
        }
        stateSpec = StateSet.trimStateSet(stateSpec, j);
        color = modulateColorAlpha(color, alpha);

        customColorList.add(color);
        customStateList.add(stateSpec);
    }

    int[] colors = new int[customColorList.size()];
    int[][] states = new int[customStateList.size()][];
    int i = 0;
    for (int n = states.length; i < n; i++) {
        colors[i] = customColorList.get(i);
        states[i] = customStateList.get(i);
    }
    return new ColorStateList(states, colors);
}

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