twlkyao’s gists

twlkyao / ActivityStackManager.java

Created May 29, 2019 07:05

获取当前的activity

	import android.app.Activity;

	import java.lang.ref.WeakReference;
	import java.util.Stack;

	/**
	* 获取当前的activity
	* 两种思路： 1.弱引用持有当前activity
	* 2.使用栈维护所有的activity，然后获取栈顶的activity
	* 参考：https://www.jianshu.com/p/77f754446009

twlkyao / AppFrontBackHelper.java

Last active May 29, 2019 06:59

Android应用前后台回调

	import android.app.Activity;
	import android.app.Application;
	import android.os.Bundle;

	/**
	* 应用前后台状态监听帮助类，仅在Application中使用
	* 参考：https://blog.csdn.net/bzlj2912009596/article/details/80073396
	*/

	public class AppFrontBackHelper {

twlkyao / ReflectApplication.java

Created May 16, 2019 11:27

Android get application context by reflect.

	import android.content.Context;

	import java.lang.reflect.Method;

	public class ReflectApplication {

	private static Context CONTEXT;

	private ReflectApplication() {
	}

twlkyao / SingletonHolder.kt

Created May 5, 2019 06:43

kotlin带参的单例

	/**
	* 参考https://medium.com/@BladeCoder/kotlin-singletons-with-argument-194ef06edd9e
	*/
	open class SingletonHolder<out T, in A>(creator: (A) -> T) {
	private var creator: ((A) -> T)? = creator
	@Volatile private var instance: T? = null

	fun getInstance(arg: A): T {
	val i = instance
	if (i != null) {

twlkyao / View2Bitmap.java

Created April 14, 2019 07:51

Android Create Bitmap from View

	private Bitmap loadBitmapFromView(View v) {
	int w = v.getWidth();
	int h = v.getHeight();
	Bitmap bmp = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
	Canvas c = new Canvas(bmp);
	// c.drawColor(Color.WHITE);//如果不设置canvas画布为白色，则生成透明
	v.layout(0, 0, w, h);
	v.draw(c);
	return bmp;
	}

twlkyao / ios_resources.json

Created June 23, 2014 09:19 — forked from heroicyang/ios_resources.json

	var githubList = [
	{
	name:'系统基础库',
	list: [

	{name:'Category/Util',
	list: [
	{name:'sstoolkit', owner:'soffes', desc:'一套Category类型的库,附带很多自定义控件功能不错～'},
	{name:'BlocksKit', owner:'pandamonia', desc:'将Block风格带入UIKit和Founcation'},
	{name:'cocoa-helpers', owner:'enormego', desc:'一些Cocoa的扩展 2年前的工程'},

twlkyao / node-and-npm-in-30-seconds.sh

Created June 7, 2014 01:15 — forked from isaacs/node-and-npm-in-30-seconds.sh

	echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc
	. ~/.bashrc
	mkdir ~/local
	mkdir ~/node-latest-install
	cd ~/node-latest-install
	curl http://nodejs.org/dist/node-latest.tar.gz \| tar xz --strip-components=1
	./configure --prefix=~/local
	make install # ok, fine, this step probably takes more than 30 seconds...
	curl https://www.npmjs.org/install.sh \| sh

twlkyao / node-and-npm-in-30-seconds.sh

Created April 11, 2014 08:28 — forked from isaacs/node-and-npm-in-30-seconds.sh

	echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc
	. ~/.bashrc
	mkdir ~/local
	mkdir ~/node-latest-install
	cd ~/node-latest-install
	curl http://nodejs.org/dist/node-latest.tar.gz \| tar xz --strip-components=1
	./configure --prefix=~/local
	make install # ok, fine, this step probably takes more than 30 seconds...
	curl https://www.npmjs.org/install.sh \| sh

twlkyao / img2txt.js

Created January 11, 2014 09:25 — forked from justjavac/img2txt.js

	var cv = document.getElementById('cv');
	var c = cv.getContext('2d');
	var txtDiv = document.getElementById('txt');
	var fileBtn = document.getElementById("up-button");
	var img = new Image();
	img.src = 'a.jpg';
	img.onload = init; // 图片加载完开始转换
	fileBtn.onchange = getImg;

	// 根据灰度生成相应字符

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