ColorUtils.java 文件源码

public static int[] extractColorArray(@ArrayRes int arrayId, Context context) {
    String[] choicesString = context.getResources().getStringArray(arrayId);
    int[] choicesInt = context.getResources().getIntArray(arrayId);

    // If user uses color reference(i.e. @color/color_choice) in the array,
    // the choicesString contains null values. We use the choicesInt in such case.
    boolean isStringArray = choicesString[0] != null;
    int length = isStringArray ? choicesString.length : choicesInt.length;

    int[] colorChoices = new int[length];
    for (int i = 0; i < length; i++) {
        colorChoices[i] = isStringArray ? Color.parseColor(choicesString[i]) : choicesInt[i];
    }

    return colorChoices;
}