Xu Jiaji xujiaji

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xujiaji / KeyboardTool.kt

Last active May 16, 2019 03:12

android 键盘监听工具 kotlin


	import android.app.Activity
	import android.graphics.Rect
	import android.view.View
	import android.view.ViewGroup
	import android.view.ViewTreeObserver
	import android.app.Application
	import android.os.Bundle

	object KeyboardTool {

xujiaji / DynamicLoadApkUtil.java

Created May 17, 2018 06:12

apk动态加载的一些方法


	/**
	* author: xujiaji
	* created on: 2018/5/16 15:28
	* description: 动态加载Apk工具类
	*/
	public class DynamicLoadApkUtil
	{
	public static class PluginBean
	{

xujiaji / BeanUtil.java

Last active May 16, 2018 04:59

一个通过反射和Map为实体类赋值的工具：https://github.com/JustinSDK/JavaSE6Tutorial/blob/master/docs/CH16.md

	public class BeanUtil
	{
	public static Object getCommand(Map<String, Object> requestMap,
	String commandClass)
	throws Exception
	{
	Class c = Class.forName(commandClass);
	Object o = c.newInstance();

	return updateCommand(requestMap, o);

xujiaji / FileSystemClassLoader.class

Last active May 16, 2018 02:57

自定义类加载器：https://www.ibm.com/developerworks/cn/java/j-lo-classloader/


	import java.io.*;

	public class FileSystemClassLoader extends ClassLoader {

	private String rootDir;

	public FileSystemClassLoader(String rootDir) {
	this.rootDir = rootDir;
	}

xujiaji / Functional.java

Created May 15, 2018 02:05

Java编程思想：泛型的一些实用性方法对象

xujiaji / Addable.java

Last active May 14, 2018 02:03

Java编程思想：17.4【用适配器仿真潜在类型机制】，填充

public interface Addable<T> { void add(T t); }

xujiaji / Apply

Created May 10, 2018 01:28

Java中通过反射应用潜在类型机制

	public class Apply
	{
	public static <T, S extends Iterable<? extends T>>
	void apply(S seq, Method f, Object ... args)
	{
	try
	{
	for(T t : seq)
	{
	f.invoke(t, args);