Recursively sets enabled flag for all views contained in viewGroup. - Android User Interface

Android examples for User Interface:ViewGroup

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Description

Recursively sets enabled flag for all views contained in viewGroup.

Demo Code


//package com.java2s;
import android.view.View;
import android.view.ViewGroup;

public class Main {
    /**// ww  w .  ja  va  2s  .  c o m
     * Recursively sets enabled flag for all views contained in viewGroup.
     * Very useful for something like settings screens, when you need to enable/disable all controls
     * inside a layout via Switch, RadioButton or CheckBox
     *
     * @param viewGroup
     *          which children will be enabled/disabled
     * @param isEnabled
     *          true or false to set
     */
    public static void setEnabledForAllChildrenRecursively(
            final ViewGroup viewGroup, final boolean isEnabled) {
        for (int i = 0; i < viewGroup.getChildCount(); i++) {
            final View child = viewGroup.getChildAt(i);

            if (child == null)
                continue;

            child.setEnabled(isEnabled);

            if (child instanceof ViewGroup) {
                setEnabledForAllChildrenRecursively((ViewGroup) child,
                        isEnabled);
            }
        }
    }
}

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