Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;

import android.view.View;
import android.view.ViewGroup;

public class Main {
    private static <T extends View> T getFirstChildByInstance(ViewGroup parent, Class<T> instance) {
        View retView = null;
        int childCount = parent.getChildCount();

        for (int childIndex = 0; childIndex < childCount; childIndex++) {
            View child = parent.getChildAt(childIndex);

            if (instance.isAssignableFrom(child.getClass())) {
                return instance.cast(child);
            }

            if (child instanceof ViewGroup) {
                View v = getFirstChildByInstance((ViewGroup) child, instance);

                if (v != null) {
                    return instance.cast(v);
                }
            }
        }

        return instance.cast(retView);
    }
}