AttributeSet 帮助类,读取Android的属性---2

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/** * 获取 id值， *  * @param attribute *            属性名称 *  * @return 如果找到资源id，否则返回0 */public int getId(String attribute) {String string = getValue(attribute);if (string != null && string.startsWith("@")) {// 资源idreturn Integer.parseInt(string.substring(1));}return 0;}/** * 获取尺寸大小 sp,db,dip,px *  * @param attribute *  * @return 尺寸大小或者0 */public float getDimension(String attribute) {int id = getId(attribute);if (id != 0) {return mContext.getResources().getDimension(id);}String string = getValue(attribute) + "";string = string.toLowerCase();DisplayMetrics dm = mContext.getResources().getDisplayMetrics();int unit = -1;String endStr = "";if (string.endsWith("sp")) {unit = TypedValue.COMPLEX_UNIT_SP;endStr = "sp";} else if (string.endsWith("dp")) {unit = TypedValue.COMPLEX_UNIT_DIP;endStr = "dp";} else if (string.endsWith("dip")) {unit = TypedValue.COMPLEX_UNIT_DIP;endStr = "dip";} else if (string.endsWith("px")) {unit = TypedValue.COMPLEX_UNIT_PX;endStr = "px";}try {float value = Float.parseFloat(string.replace(endStr, ""));float f = TypedValue.applyDimension(unit, value, dm);return f;} catch (Exception e) {}return 0;}/** * 获取颜色 *  * @param attribute *  * @return 颜色值或者0 */public int getColor(String attribute) {String string = getValue(attribute);int id = getId(attribute);if (id != 0) {return mContext.getResources().getColor(id);}try {return Color.parseColor(string);} catch (Exception e) {}return 0;}}
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