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##WelikeAndroid 是什么? WelikeAndroid 是一款引入即用的便捷开发框架,致力于为程序员打造最佳的编程体验,
使用WelikeAndroid, 你会觉得写代码是一件很轻松的事情.

##欢迎加入我们的Android开发群: ###142853711(WelikeAndroid交流群)
##Welike带来了哪些特征?

WelikeAndroid目前包含五个大模块:

  • 异常安全隔离模块(实验阶段):当任何线程抛出任何异常,我们的异常隔离机制都会让UI线程继续运行下去.
  • Http模块: 一行代码完成POST、GET请求和Download,支持上传, 高度优化Disk的缓存加载机制,
    自由设置缓存大小、缓存时间(也支持永久缓存和不缓存).
  • Bitmap模块: 一行代码完成异步显示图片,无需考虑OOM问题,支持加载前对图片做自定义处理.
  • Database模块: 支持NotNull,Table,ID,Ignore等注解,Bean无需Getter和Setter,一键式部署数据库.
  • ui操纵模块: 我们为Activity基类做了完善的封装,继承基类可以让代码更加优雅.
  • :请不要认为功能相似,框架就不是原创,源码摆在眼前,何不看一看?

使用WelikeAndroid需要以下权限:

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.INTERNET" />

##下文将教你如何圆润的使用WelikeAndroid:
###通过WelikeContext在任意处取得上下文:

  • WelikeContext.getApplication(); 就可以取得当前App的上下文
  • WelikeToast.toast("你好!"); 简单一步弹出Toast.

##WelikeGuard(异常安全隔离机制用法):

  • 第一步,开启异常隔离机制:
WelikeGuard.enableGuard();
  • 第二步,注册一个全局异常监听器:

WelikeGuard.registerUnCaughtHandler(new Thread.UncaughtExceptionHandler() {
@Override
public void uncaughtException(Thread thread, Throwable ex) {

 WelikeGuard.newThreadToast("出现异常了: " + ex.getMessage() );

}
});
  • 你也可以自定义异常:

/**
*
* 自定义的异常,当异常被抛出后,会自动回调onCatchThrowable函数.
*/
@Catch(process = "onCatchThrowable")
public class CustomException extends IllegalAccessError {

   public static void onCatchThrowable(Thread t){
    WeLog.e(t.getName() + "  抛出了一个异常...");
   }
}
  • 另外,继承自UncaughtThrowable的异常我们不会对其进行拦截.

使用Welike做屏幕适配:

Welike的ViewPorter类提供了屏幕适配的Fluent-API,我们可以通过一组流畅的API轻松做好屏幕适配.

        ViewPorter.from(button).ofScreen().divWidth(2).commit();//宽度变为屏幕的二分之一
        ViewPorter.from(button).of(viewGroup).divHeight(2).commit();//高度变为viewGroup的二分之一
        ViewPorter.from(button).div(2).commit();//宽度和高度变为屏幕的四分之一
        ViewPorter.from(button).of(this).fillWidth().fillHeight().commit();//宽度和高度铺满Activity
        ViewPorter.from(button).sameAs(imageView).commit();//button的宽度和高度和imageView一样

WelikeHttp入门:

首先来看看框架的调试信息,是不是一目了然. DEBUG DEBUG2

  • 第一步,取得WelikeHttp默认实例.
WelikeHttp welikeHttp = WelikeHttp.getDefault();
  • 第二步,发送一个Get请求.
HttpParams params = new HttpParams();
params.putParams("app","qr.get",
                 "data","Test");//一次性放入两对 参数 和 值

//发送Get请求
HttpRequest request = welikeHttp.get("http://api.k780.com:88", params, new HttpResultCallback() {
    @Override
    public void onSuccess(String content) {
    super.onSuccess(content);
    WelikeToast.toast("返回的JSON为:" + content);
    }

    @Override
    public void onFailure(HttpResponse response) {
    super.onFailure(response);
    WelikeToast.toast("JSON请求发送失败.");
    }

    @Override
    public void onCancel(HttpRequest request) {
    super.onCancel(request);
    WelikeToast.toast("请求被取消.");
    }
});

    //取消请求,会回调onCancel()
    request.cancel();

当然,我们为满足需求提供了多种扩展的Callback,目前我们提供以下Callback供您选择:

  • HttpCallback(响应为byte[]数组)
  • FileUploadCallback(仅在上传文件时使用)
  • HttpBitmapCallback(建议使用Bitmap模块)
  • HttpResultCallback(响应为String)
  • DownloadCallback(仅在download时使用)

如需自定义Http模块的配置(如缓存时间),请查看HttpConfig.

WelikeBitmap入门:

  • 第一步,取得默认的WelikeBitmap实例:

//取得默认的WelikeBitmap实例
WelikeBitmap welikeBitmap = WelikeBitmap.getDefault();
  • 第二步,异步加载一张图片:
BitmapRequest request = welikeBitmap.loadBitmap(imageView,
"http://img0.imgtn.bdimg.com/it/u=937075122,1381619862&fm=21&gp=0.jpg",
android.R.drawable.btn_star,//加载中显示的图片
android.R.drawable.ic_delete,//加载失败时显示的图片
new BitmapCallback() {

    @Override
    public Bitmap onProcessBitmap(byte[] data) {
    //如果需要在加载时处理图片,可以在这里处理,
    //如果不需要处理,就返回null或者不复写这个方法.
    return null;
    }

    @Override
    public void onPreStart(String url) {
    super.onPreStart(url);
    //加载前回调
    WeLog.d("===========> onPreStart()");
    }

    @Override
    public void onCancel(String url) {
    super.onCancel(url);
    //请求取消时回调
    WeLog.d("===========> onCancel()");
    }

    @Override
    public void onLoadSuccess(String url, Bitmap bitmap) {
    super.onLoadSuccess(url, bitmap);
    //图片加载成功后回调
    WeLog.d("===========> onLoadSuccess()");
    }

    @Override
    public void onRequestHttp(HttpRequest request) {
    super.onRequestHttp(request);
    //图片需要请求http时回调
    WeLog.d("===========> onRequestHttp()");
    }

    @Override
    public void onLoadFailed(HttpResponse response, String url) {
    super.onLoadFailed(response, url);
    //请求失败时回调
    WeLog.d("===========> onLoadFailed()");
    }
});
  • 如果需要自定义Config,请看BitmapConfig这个类.

##WelikeDAO入门:

  • 首先写一个Bean.

/*表名,可有可无,默认为类名.*/
@Table(name="USER",afterTableCreate="afterTableCreate")
public class User{
@ID
public int id;//id可有可无,根据自己是否需要来加.

/*这个注解表示name字段不能为null*/
@NotNull
public String name;

    public static void afterTableCreate(WelikeDao dao){
        //在当前的表被创建时回调,可以在这里做一些表的初始化工作
    }
}
  • 然后将它写入到数据库
WelikeDao db = WelikeDao.instance("Welike.db");
User user = new User();
user.name = "Lody";
db.save(user);
  • 从数据库取出Bean

User savedUser = db.findBeanByID(1);
  • SQL复杂条件查询
List<User> users = db.findBeans().where("name = Lody").or("id = 1").find();
  • 更新指定ID的Bean
User wantoUpdateUser = new User();
wantoUpdateUser.name = "NiHao";
db.updateDbByID(1,wantoUpdateUser);
  • 删除指ID定的Bean
db.deleteBeanByID(1);
  • 更多实例请看DEMO和API文档.

##十秒钟学会WelikeActivity

  • 我们将Activity的生命周期划分如下:

=>@initData(所有标有InitData注解的方法都最早在子线程被调用)
=>initRootView(bundle)
=>@JoinView(将标有此注解的View自动findViewByID和setOnClickListener)
=>onDataLoaded(数据加载完成时回调)
=>点击事件会回调onWidgetClick(View Widget)

###关于@JoinView的细节:

  • 有以下三种写法:
@JoinView(name = "welike_btn")
Button welikeBtn;
@JoinView(id = R.id.welike_btn)
Button welikeBtn;
@JoinView(name = "welike_btn",click = false)
Button welikeBtn;
  • clicktrue时会自动调用view的setOnClickListener方法,并在onWidgetClick回调.
  • 当需要绑定的是一个Button的时候, click属性默认为true,其它的View则默认为false.

##有问题反馈 在使用中有任何问题,欢迎反馈给我,可以用以下联系方式跟我交流

  • QQ: 382816028
  • Email:382816028@qq.com
  • 142853711群与大家一起讨论

Git: https://github.com/FinalLody/WelikeAndroid
Git@OSC: http://git.oschina.net/lody/WelikeAndroid

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简介

WelikeAndroid 是一款引入即用的便捷开发框架,一行代码完成http请求,bitmap异步加载,数据库增删查改,同时拥有最超前的异常隔离机制. 展开 收起
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