Xutils

实体类  用ViewUtils附加了注解  DbUtils可以直接创建数据库根据实体类的注解创建数据库的表

package com.qianfeng.xutilsshow.model;

import com.lidroid.xutils.db.annotation.Column;
import com.lidroid.xutils.db.annotation.Id;
import com.lidroid.xutils.db.annotation.Table;


/**
 * Created with IntelliJ IDEA.
 * User: vhly[FR]
 * Date: 15/10/9
 * Email: vhly@163.com
 */

@Table(name = "books")
public class Book {

    @Id   // _id integer primary key autoincrement
    private long _id;

    @Column
    private String title;

    @Column
    private float price;

    @Column
    private String author;

    public long getId() {
        return _id;
    }

    public void setId(long id) {
        this._id = id;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public float getPrice() {
        return price;
    }

    public void setPrice(float price) {
        this.price = price;
    }

    public String getAuthor() {
        return author;
    }

    public void setAuthor(String author) {
        this.author = author;
    }
}

HttpUtils

package com.bi.BitmapUtils;

import android.app.Activity;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import com.lidroid.xutils.HttpUtils;
import com.lidroid.xutils.ViewUtils;
import com.lidroid.xutils.exception.HttpException;
import com.lidroid.xutils.http.HttpHandler;
import com.lidroid.xutils.http.RequestParams;
import com.lidroid.xutils.http.ResponseInfo;
import com.lidroid.xutils.http.ResponseStream;
import com.lidroid.xutils.http.callback.RequestCallBack;
import com.lidroid.xutils.http.client.HttpRequest;
import com.lidroid.xutils.view.annotation.ViewInject;
import com.lidroid.xutils.view.annotation.event.OnClick;

import java.io.File;
import java.io.IOException;

/**
 * Created
 * Author:bi[FR]
 * Date:15-10-10
 */
public class HttpActivity extends Activity {

    @ViewInject(R.id.tv)
    private TextView tv;

    @ViewInject(R.id.progressBar)
    private ProgressBar progressBar;
    @Override
    public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.http_main);

    ViewUtils.inject(this);
}

    @OnClick(R.id.btn)
    public void btnRequestOnclick(View v)
    {
        //异步
        //参数一  联网超时时间  2 联网的useragent 可以随意写
        HttpUtils httpUtils=new HttpUtils(5000,"Zhang Sir's App[Aandroid]");
        httpUtils.send(HttpRequest.HttpMethod.GET
                , "http://www.baidu.com",
                new RequestCallBack<String>() {
                    @Override
                    public void onSuccess(ResponseInfo<String> responseInfo) {
                        //更新ui
                        String str = responseInfo.result;
                        tv.setText(str);
                    }

                    @Override
                    public void onFailure(HttpException error, String msg) {

                    }
                });

        //同步请求   应该会提示不能在主线程中耗时操作（此处不报错是因为使用了ViewInject会产生异步）
        try {
            ResponseStream stream=httpUtils.sendSync(HttpRequest.HttpMethod.GET, "http://www.163.com");
            int statusCode=stream.getStatusCode();
        if(statusCode==200)
        {
            //读写
            byte[]buf=new byte[128];
            int len=0;
            while((len=stream.read(buf))!=-1)
            {

            }
        }
        stream.close();
        } catch (HttpException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }


    }

    @OnClick(R.id.btn_post)
    public void postOnClick(View v)
    {
    HttpUtils httpUtils=new HttpUtils(5000);
        //!!!指定字符编码  服务器需要什么编码客户端就设置什么编码
        RequestParams params=new RequestParams("utf-8");
        //1、设置参数 POST
       // params.addQueryStringParameter("a","123");
        //post请求大部分都要使用BodyParameter
        params.addBodyParameter("name","admin");
        params.addBodyParameter("password","123456");
        params.addBodyParameter("xx", "yy");
        //如果需要附加Http头字段
        params.addHeader("User-Agent","Zhang Sir's Client");
        httpUtils.send(HttpRequest.HttpMethod.POST,
                "http://10.10.163.24:8080/post", params,
                new RequestCallBack<Object>() {
                    @Override
                    public void onSuccess(ResponseInfo<Object> responseInfo) {
                        tv.setText(responseInfo.result.toString());
                    }
                    @Override
                    public void onFailure(HttpException error, String msg) {

                    }
                });
    }

    @OnClick(R.id.btn_download)
    public void download(View v)
    {
        HttpUtils httpUtils=new HttpUtils(5000);
        String state= Environment.getExternalStorageState();
        if(state.equals(Environment.MEDIA_MOUNTED)) {
            //1、下载文件
            File root=Environment.getExternalStorageDirectory();
            File  targetFile=new File(root,"xmlyjiekou.apk");
            //2 开始文件下载
            HttpHandler<File> fileHttpHandler = httpUtils.download("http://10.10.163.24:8080/ximalayatingshu_64.apk", targetFile.getAbsolutePath(), true, true,
                    new RequestCallBack<File>() {
                        @Override
                        public void onSuccess(ResponseInfo<File> responseInfo) {
                            Toast.makeText(HttpActivity.this,"chenggong",Toast.LENGTH_SHORT).show();
                        }

                        @Override
                        public void onFailure(HttpException error, String msg) {
                            Toast.makeText(HttpActivity.this,"shibai",Toast.LENGTH_SHORT).show();
                        }
                        //-------------当前网络请求：上传、下载的进度更新回调

                        @Override
                        public void onLoading(long total, long current, boolean isUploading) {
                            super.onLoading(total, current, isUploading);
                            progressBar.setMax((int) total);
                            progressBar.setProgress((int)current);
                        }
                    });

        }
        else   Toast.makeText(HttpActivity.this,"no sd",Toast.LENGTH_SHORT).show();
    }

}

BitmapUtils

package com.bi.BitmapUtils;

import android.app.Activity;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;
import com.lidroid.xutils.BitmapUtils;
import com.lidroid.xutils.ViewUtils;
import com.lidroid.xutils.bitmap.BitmapDisplayConfig;
import com.lidroid.xutils.bitmap.core.BitmapSize;
import com.lidroid.xutils.view.ResType;
import com.lidroid.xutils.view.annotation.ResInject;
//加载图片  缓存
public class MyActivity extends Activity {
    /**
     * Called when the activity is first created.
     */
    @ResInject(id=R.anim.anim_translate,type= ResType.Animation)
    private Animation animation;
    private BitmapUtils bitmapUtils;


    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        ViewUtils.inject(this);
        //创建BitmapUtils 工具实例 可以认为是一个ImageLoader
        //构造方法有很多，包含文件缓存配置，避免内存溢出、提高图片加载效率减少用户流量
        ImageView imageView= (ImageView) findViewById(R.id.imageView);
        bitmapUtils = new BitmapUtils(this);
        BitmapDisplayConfig displayConfig=new BitmapDisplayConfig();

        Resources resource=getResources();
        displayConfig.setLoadingDrawable(resource.getDrawable(R.drawable.ic_launcher));
        displayConfig.setLoadFailedDrawable(resource.getDrawable(android.R.drawable.ic_delete));
        displayConfig.setBitmapConfig(Bitmap.Config.RGB_565);
        displayConfig.setBitmapMaxSize(new BitmapSize(100, 50));
        displayConfig.setAnimation(animation);

        bitmapUtils.display(imageView, "http://bbs.lidroid.com/static/image/common/logo.png"
                , displayConfig
        );

    }

    /**
     * 初始化默认的图片加载设置
     *
     */
    private void initBitmapUtils(){
       bitmapUtils.configDefaultLoadingImage(R.drawable.ic_launcher);
       bitmapUtils.configDefaultLoadFailedImage(android.R.drawable.ic_delete);
       bitmapUtils.configDefaultBitmapMaxSize(new BitmapSize(100,50));
        bitmapUtils.configDefaultConnectTimeout(2000);
    }

}

ViewUtils

package com.qianfeng.xutilsshow;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.TextView;
import android.widget.Toast;
import com.lidroid.xutils.ViewUtils;
import com.lidroid.xutils.view.ResType;
import com.lidroid.xutils.view.annotation.ContentView;
import com.lidroid.xutils.view.annotation.ResInject;
import com.lidroid.xutils.view.annotation.ViewInject;
import com.lidroid.xutils.view.annotation.event.OnClick;
import com.lidroid.xutils.view.annotation.event.OnCompoundButtonCheckedChange;
import com.qianfeng.xutilsshow.annotations.CodeAuthor;

import java.lang.reflect.Field;

@ContentView(R.layout.main)  // activity.setContentView(R.layout.main)
public class MainActivity extends Activity {

    @ViewInject(R.id.main_txt_info)  // textView = (TextView)findViewById(R.id.main_txt_info)
    private TextView textView;

    @ViewInject(R.id.btn_click)
    private Button btn;

    // 相当于 string 包含了  CodeAuthor 注解内容
    @CodeAuthor(R.id.chk_test)
    private String string;

    @ResInject(id = R.string.app_name, type = ResType.String)
    private String appName;

    /**
     * Called when the activity is first created.
     *
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // 需要使用 ViewUtils 的功能，就要调用一个方法 ViewUtils.inject(Activity)
        ViewUtils.inject(this);

        textView.setText("你好 世界 by ViewUtils");

        btn.setText("点你一下");

        // 进行反射的处理，获取 string 成员变量

        Class c = this.getClass();

        try {
            // 1. 取变量
            Field field = c.getDeclaredField("string");
            field.setAccessible(true);

            // 2. 从成员变量声明中获取注解

            CodeAuthor annotation = field.getAnnotation(CodeAuthor.class);

            int v = annotation.value();


            // 2.1 从资源取字符串
            String str = getString(v);

            // 3. 赋值
            field.set(this, "Author: " + str);


        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }

        Log.d("CodeAuthor", "string = " + string);

        Log.d("CodeAuthor", "appName = " + appName);

    }

    @OnClick(R.id.main_txt_info)
    public void clickShowToast(View v){
        Toast.makeText(this, "你好", Toast.LENGTH_SHORT).show();
    }

    @OnCompoundButtonCheckedChange(R.id.chk_test)
    public void checkChange(CompoundButton checkBox, boolean isChecked){
        Toast.makeText(this, "选一下", Toast.LENGTH_SHORT).show();
    }


    private void test(){

    }

}

DbUtils

package com.qianfeng.xutilsshow;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import com.lidroid.xutils.DbUtils;
import com.lidroid.xutils.db.sqlite.Selector;
import com.lidroid.xutils.db.sqlite.WhereBuilder;
import com.lidroid.xutils.exception.DbException;
import com.qianfeng.xutilsshow.database.DBManager;
import com.qianfeng.xutilsshow.model.Book;

import java.util.List;

/**
 * Created with IntelliJ IDEA.
 * User: vhly[FR]
 * Date: 15/10/9
 * Email: vhly@163.com
 */
public class BooksActivity extends Activity {

    private DbUtils dbUtils;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.books_activity);

        // 使用 DbUtils 进行数据的存储
        // 指定数据对象的内容， 然后直接存储
        dbUtils = DbUtils.create(getApplicationContext(), "app.db");


        // 以下代码 使用 纯手工 的 SQLite 操作，可以使用 xUtils 简化

//        DBManager.newInstance(getApplicationContext());
//
//        initData();
    }

    @Override
    protected void onResume() {
        super.onResume();

        addBook();

        loadData();

//        deleteBook();

        try {

            // select * from books where _id = 5
            Book book = dbUtils.findById(Book.class, 5L);

            Log.d("DB", "找到 5的 " + book.getTitle());

            // 自定义查询条件，对应就是  select * from books where price = 1000.0f and _id = 7
            Selector selector =
                    Selector.from(Book.class)
                            .where("price", "=", 1000.0f)
                            .and("_id", "=", 7L);

            // 自定义查询
            List<Book> list = dbUtils.findAll(selector);

            for (Book bk : list) {

                Log.d("DB", "条件查询 " + bk.getId());

            }


        } catch (DbException e) {
            e.printStackTrace();
        }

    }

    /**
     * 使用 WhereBuilder 进行复杂条件的删除
     */
    private void deleteWhere(){
        // 1. 准备 WhereBuilder

        WhereBuilder builder =
                WhereBuilder
                        .b("price", "=", 1000.0f)
                        .expr("price between 900 and 1000");

        // 2. DbUtils.delete(Class, WhereBuilder)
        try {
            dbUtils.delete(Book.class, builder);
        } catch (DbException e) {
            e.printStackTrace();
        }

    }

    private void addBook(){

        Book book = new Book();

        book.setTitle("10学会Android开发");

        book.setPrice(1000.0f);

        book.setAuthor("张哥");

        try {
            // 添加一个记录，对应的  就是 insert 语句
            // 内容并没有设置 id ， 代表对象直接添加
            dbUtils.save(book);
        } catch (DbException e) {
            e.printStackTrace();
        }

    }

    /**
     * 使用 DbUtils 删除单一的一个 数据记录
     */
    private void deleteBook(){

        try {
            // 找到所有的记录

            List<Book> books = dbUtils.findAll(Book.class);

            if(books != null && !books.isEmpty()){

                Book book = books.get(0);

                Log.d("DB", "book id " + book.getId());

                // 删除这个数据记录

                dbUtils.delete(book);

            }


        } catch (DbException e) {
            e.printStackTrace();
        }

    }

    /**
     * 使用 DbUtils 来加载 表当中的 数据
     */
    public void loadData(){
        try {
            List<Book> books = dbUtils.findAll(Book.class);

            for (Book book : books) {
                Log.d("DB", "Book " + book.getId());
            }

        } catch (DbException e) {
            e.printStackTrace();
        }
    }




//
//    private void initData(){
//
//        // 使用 DBManager 封装 SQLite 的数据库操作，避免  每次 都要获取 SQLiteDatabase
//        DBManager dbManager = DBManager.getInstance();
//
//        Book book = new Book();
//
//        book.setTitle("10学会Android开发");
//
//        book.setPrice(1000.0f);
//
//        book.setAuthor("张哥");
//
//        long bid = dbManager.insertBook(book);
//
//        Log.d("DB", "book id " + bid);
//
//    }

}