Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.view.View;
import android.view.ViewGroup;

public class Main {
    @Nullable
    public static <T> T firstChildOfType(@NonNull View root, @NonNull Class<T> type) {
        if (type.isInstance(root)) {
            return type.cast(root);
        }
        if (root instanceof ViewGroup) {
            final ViewGroup rootGroup = (ViewGroup) root;
            for (int i = 0; i < rootGroup.getChildCount(); i++) {
                final View child = rootGroup.getChildAt(i);
                final T childResult = firstChildOfType(child, type);
                if (childResult != null) {
                    return childResult;
                }
            }
        }
        return null;
    }
}