Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.lang.reflect.Field;

import android.widget.GridView;

public class Main {
    private static final String CLASS_NAME_GRID_VIEW = "android.widget.GridView";
    private static final String FIELD_NAME_VERTICAL_SPACING = "mVerticalSpacing";

    /**
     * get GridView vertical spacing
     * 
     * @param view
     * @return
     */
    public static int getGridViewVerticalSpacing(GridView view) {
        // get mVerticalSpacing by android.widget.GridView
        Class<?> demo = null;
        int verticalSpacing = 0;
        try {
            demo = Class.forName(CLASS_NAME_GRID_VIEW);
            Field field = demo.getDeclaredField(FIELD_NAME_VERTICAL_SPACING);
            field.setAccessible(true);
            verticalSpacing = (Integer) field.get(view);
            return verticalSpacing;
        } catch (Exception e) {
            /**
             * accept all exception, include ClassNotFoundException, NoSuchFieldException, InstantiationException,
             * IllegalArgumentException, IllegalAccessException, NullPointException
             */
            e.printStackTrace();
        }
        return verticalSpacing;
    }
}