简单的实现网路请求

      动画

public class MainActivity extends AppCompatActivity {

    private ImageView img;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
//        Intent intent=new Intent(MainActivity.this,Main2Activity.class);
//        startActivity(intent);
        img = (ImageView) findViewById(R.id.img);
        Animation animation=new AlphaAnimation(0.1f,1.0f);
        animation.setDuration(5000);
        img.startAnimation(animation);
        animation.setAnimationListener(new Animation.AnimationListener() {
            @Override
            public void onAnimationStart(Animation animation) {

            }

            @Override
            public void onAnimationEnd(Animation animation) {
                Intent intent=new Intent(MainActivity.this,Main2Activity.class);
                startActivity(intent);
            }

            @Override
            public void onAnimationRepeat(Animation animation) {

            }
        });

    }
}

主MainActivity

public class Main2Activity extends BaseAcvitity implements View.OnClickListener {
    private String[] strList = new String[]{"推荐", "热点", "北京", "科技", "军事", "视频", "社会"};


    private DrawerLayout drawerLayout;
    private TabLayout tabLayout;
    private ViewPager vp;
    private ListView lv;
    private ActionBarDrawerToggle toggle;
    private List<String> list = new ArrayList<String>();
    private int mode;

    private List<ChannelBean> channelist;
    private String jsonStr;
    private List<Fragment>frlist=new ArrayList<Fragment>();
    private ImageView imgLogin;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);






        //极光推送
        JPushInterface.setDebugMode(true);
        JPushInterface.init(this);
        //频道管理的点击事件
        findViewById(R.id.tvpindao).setOnClickListener(this);

        //夜间模式
        mode = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
        //

        if(isOnline()){
            initView();
            initData();
        }else{
            showDialog();

        }



    }
    //左侧滑显示listview数量
    private void initData() {

        Main2Adapter main2Adapter=new Main2Adapter(this,list);
        lv.setAdapter(main2Adapter);
        //左侧滑Listview
        lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

            }
        });

        list.add("好友动态");
        list.add("与我相关");
        list.add("我的头条");
        list.add("我的话题");
        list.add("收藏");
        list.add("活动");

        //显示Fragment
        frlist.add(new Fragment1());
        frlist.add(new Fragment2());
        frlist.add(new Fragment3());
        frlist.add(new Fragment4());
        frlist.add(new Fragment5());
        frlist.add(new Fragment6());
        frlist.add(new Fragment7());

    }

    //查询控件
    private void initView() {
        lv = (ListView) findViewById(R.id.lv);
        drawerLayout = (DrawerLayout) findViewById(R.id.drawerLayout);
        tabLayout = (TabLayout) findViewById(R.id.tabLayout);
        vp = (ViewPager) findViewById(R.id.vp);
        //底布局
        findViewById(R.id.img4).setOnClickListener(this);
        findViewById(R.id.img5).setOnClickListener(this);
        newsView();
        //头布局变化
        toggle = new ActionBarDrawerToggle(this, drawerLayout, R.string.app_name, R.string.app_name);
        //同步侧滑
        toggle.syncState();
        drawerLayout.addDrawerListener(toggle);


        for (String str : strList) {
            tabLayout.addTab(tabLayout.newTab().setText(str));
        }
        vp.setAdapter(new MyPageAdapter(getSupportFragmentManager()));
        tabLayout.setupWithViewPager(vp);


    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        return toggle.onOptionsItemSelected(item) | super.onOptionsItemSelected(item);
    }


    //FragmentPager适配器
    class MyPageAdapter extends FragmentPagerAdapter {

        public MyPageAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position) {
            return frlist.get(position);
        }

        @Override
        public int getCount() {
            return strList.length;
        }

        @Override
        public CharSequence getPageTitle(int position) {
            return strList[position];
        }
    }

    public void newsView() {
        //头布局
        View view = View.inflate(this, R.layout.leftsideslip, null);
        lv.addHeaderView(view);
        //登陆
        imgLogin = (ImageView) view.findViewById(img1);
        imgLogin.setOnClickListener(this);
        //短信
        ImageView imgnote = (ImageView) view.findViewById(R.id.img2);
        imgnote.setOnClickListener(this);
        //夜间模式
        ImageView imgnight = (ImageView) view.findViewById(R.id.img3);
        imgnight.setOnClickListener(this);
        //更多
        TextView tvgengduo= (TextView) view.findViewById(R.id.tv);
        tvgengduo.setOnClickListener(this);





    }

    //点击事件
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            //频道
            case R.id.tvpindao:{

                Intent intent=new Intent(Main2Activity.this,Main5Activity.class);
                startActivity(intent);

            }
            break;
            //更多登陆方式
            case R.id.tv:{
                Intent intent=new Intent(Main2Activity.this,Main3Activity.class);
                intent.putExtra("qq","https://sso.toutiao.com/login/");
                startActivity(intent);

            }
            break;
            //第三方登录
            case R.id.img1: {
                UMShareAPI.get(Main2Activity.this).getPlatformInfo(Main2Activity.this, SHARE_MEDIA.QQ, umAuthListener);
                PlatformConfig.setQQZone("1106197903", "Vfdwhxp8yhlKPv4h");

            }
            break;
            //短信验证
            case R.id.img2: {
                RegisterPage registerPage = new RegisterPage();
                //回调函数
                registerPage.setRegisterCallback(new EventHandler() {
                    public void afterEvent(int event, int result, Object data) {
                        // 解析结果
                        if (result == SMSSDK.RESULT_COMPLETE) {
                            //提交验证码成功
                            if (event == SMSSDK.EVENT_SUBMIT_VERIFICATION_CODE) {
                            }
                            //提交验证码成功，此时已经验证成功了
                            else if (event == SMSSDK.EVENT_GET_VERIFICATION_CODE) {
                            }
                        }
                    }
                });
                registerPage.show(Main2Activity.this);

            }
            break;
            //夜间模式
            case R.id.img3: {

                if (mode == Configuration.UI_MODE_NIGHT_YES) {
                    AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO);
                } else if (mode == Configuration.UI_MODE_NIGHT_NO) {
                    AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES);
                }
                recreate();

            }
            break;
            //设置
            case R.id.img4:{
                 Intent intent=new Intent(Main2Activity.this, Main4Activity.class);
                 startActivity(intent);

            }
            break;
            //城市列表
            case R.id.img5:{

                CityListActivity.startCityActivityForResult(this);

            }
            break;

        }

    }


    //第三方需要重写的方法
    private UMAuthListener umAuthListener = new UMAuthListener() {
        @Override
        public void onStart(SHARE_MEDIA platform) {
            //授权开始的回调
        }

        @Override
        public void onComplete(SHARE_MEDIA platform, int action, Map<String, String> data) {
            Toast.makeText(getApplicationContext(), "Authorize succeed", Toast.LENGTH_SHORT).show();
//            String name = data.get("name");
//            String gender = data.get("gender");
            String photoUrl = data.get("iconurl");
            //tv.setText(name + " " +gender);

            ImageLoader.getInstance().displayImage(photoUrl,imgLogin);
        }

        @Override
        public void onError(SHARE_MEDIA platform, int action, Throwable t) {
            Toast.makeText(getApplicationContext(), "Authorize fail", Toast.LENGTH_SHORT).show();
        }

        @Override
        public void onCancel(SHARE_MEDIA platform, int action) {
            Toast.makeText(getApplicationContext(), "Authorize cancel", Toast.LENGTH_SHORT).show();
        }
    };

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        UMShareAPI.get(this).onActivityResult(requestCode, resultCode, data);

    }

    //语音识别
   public  void discern(View view){

       //1.创建RecognizerDialog对象,第二个参数就是一个初始化的监听器,我们用不上就设置为null
       RecognizerDialog mDialog = new RecognizerDialog(this, null);
       //2.设置accent、language等参数
       mDialog.setParameter(SpeechConstant.LANGUAGE, "zh_cn");//设置为中文模式
       mDialog.setParameter(SpeechConstant.ACCENT, "mandarin");//设置普通话模式
       //若要将UI控件用于语义理解，必须添加以下参数设置，设置之后onResult回调返回将是语义理解
       //mDialog.setParameter("asr_sch", "1");
       //mDialog.setParameter("nlp_version", "2.0");
       //创建一个装每次解析数据的容器
       final StringBuilder mStringBuilder = new StringBuilder();
       //3.设置回调接口
       mDialog.setListener(new RecognizerDialogListener() {
           @Override//识别成功执行,参数recognizerResult 识别的结果,Json格式的字符串
           //第二参数 b:等于true时会话结束.方法才不会继续回调
           //一般情况下通过onResult接口多次返回结果,完整识别内容是多次结果累加的
           public void onResult(RecognizerResult recognizerResult, boolean b) {
               //拿到讯飞识别的结果
               String resultString = recognizerResult.getResultString();
               System.out.println("讯飞识别的结果 " + resultString);
               System.out.println("b参数是什么 " + b);
               //自定义解析bean数据的方法,得到解析数据
               String content = parseData(resultString);
               System.out.println("解析后的数据 "+ content);
               mStringBuilder.append(content);
               //对参数2b进行判断,如果为true,代表这个方法不会对调,那么我们容器的数据转为字符串,拿来使用即可
               if (b) {
                   String result = mStringBuilder.toString();
                   System.out.println(result);
                   //回答对象,在没有匹配到用户说的话,默认输出语句
                   String anwser = "不好意思,你说的我没有听清楚！！！";
                   if (result.contains("你好")) {
                       anwser = "你好,我是你的智能语音助手,很高兴为你服务";
                   } else if (result.contains("小明")) {
                       anwser = "和小明一块玩";
                   } else if (result.contains("王少良")) {
                       //定义一个String数组,智能语音根据美女这个数据,可能说的话
                       String [] answerList=new String[]{"500元,妹子陪你打一晚上游戏","你是坏人不和你玩了","小助手很纯洁,不要带坏我了"};
                       //小助手随机回答,所以使用生成随机数的类.random(因为此数是小数,乘以集合长度,再做int类型强转,得到的数是0到集合长度-1)
                       int random = (int) (Math.random()*answerList.length);
                       anwser=answerList[random];
                   }else if (result.contains("打开权限信息")) {
                       Intent intent = new Intent();
                       intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                       if (Build.VERSION.SDK_INT >= 9) {
                           intent.setAction("android.settings.APPLICATION_DETAILS_SETTINGS");
                           intent.setData(Uri.fromParts("package", getPackageName(), null));
                       } else if (Build.VERSION.SDK_INT <= 8) {
                           intent.setAction(Intent.ACTION_VIEW);
                           intent.setClassName("com.android.settings", "com.android.settings.InstalledAppDetails");
                           intent.putExtra("com.android.settings.ApplicationPkgName", getPackageName());
                       }
                       startActivity(intent);
                   }
                   show(anwser);
               }
           }
           @Override//识别失败执行的方法,speechError错误码
           public void onError(SpeechError speechError) {
               System.out.println("错误码 " + speechError);
           }
       });
       //4.显示dialog，接收语音输入
       mDialog.show();
   }
    public void compound(View view){
        show("说话的是个大涮锅");
    }
    //语音合成
    public void show(String result) {
        //1.创建 SpeechSynthesizer 对象, 第二个参数：本地合成时传 InitListener
        SpeechSynthesizer mTts = SpeechSynthesizer.createSynthesizer(this, null);
        //2.合成参数设置，详见《MSC Reference Manual》SpeechSynthesizer 类
        // 设置发音人（更多在线发音人，用户可参见 附录13.2
        mTts.setParameter(SpeechConstant.VOICE_NAME, "xiaoyan"); //设置发音人
        mTts.setParameter(SpeechConstant.SPEED, "50");//设置语速
        mTts.setParameter(SpeechConstant.VOLUME, "80");//设置音量，范围 0~100
        mTts.setParameter(SpeechConstant.ENGINE_TYPE, SpeechConstant.TYPE_CLOUD); //设置云端,这些功能用到了讯飞服务器,所以要有网络
        //设置合成音频保存位置（可自定义保存位置），保存在“./sdcard/iflytek.pcm”
        //保存在 SD 卡需要在 AndroidManifest.xml 添加写 SD 卡权限
        //仅支持保存为 pcm 和 wav 格式，如果不需要保存合成音频，注释该行代码
        // mTts.setParameter(SpeechConstant.TTS_AUDIO_PATH, "./sdcard/iflytek.pcm");
        // 3.开始合成,第一个参数就是转换成声音的文字,自定义,第二个参数就是合成监听器对象,我们不需要对声音有什么特殊处理,就传null
        mTts.startSpeaking(result, null);
    }
    private String parseData(String resultString) {
        //创建gson对象.记得要关联一下gson.jar包,方可以使用
        Gson gson = new Gson();
        //参数1 String类型的json数据   参数2.存放json数据对应的bean类
        XFBean xfBean = gson.fromJson(resultString, XFBean.class);
        //创建集合,用来存放bean类里的对象
        ArrayList<XFBean.WS> ws = xfBean.ws;
        //创建一个容器,用来存放从每个集合里拿到的数据,使用StringBUndle效率高
        StringBuilder stringBuilder = new StringBuilder();
        for (XFBean.WS w : ws) {
            String text = w.cw.get(0).w;
            stringBuilder.append(text);
        }
        //把容器内的数据转换为字符串返回出去
        return stringBuilder.toString();
    }
     /**
          * 提示用户的一个联网对话框
          */
         private void showDialog(){

             AlertDialog.Builder builder = new AlertDialog.Builder(this);
             builder.setMessage("是否开网");
             builder.setNegativeButton("否",null);
             builder.setPositiveButton("是", new DialogInterface.OnClickListener() {
                 @Override
                 public void onClick(DialogInterface dialog, int which) {
                     //设置跳转网络界面
                     startActivity(new Intent(Settings.ACTION_WIRELESS_SETTINGS));
                 }
             });

             builder.create().show();

         }




         /**
          * 判断网络是否连接
          * @return true 网络已经连接 false 网络没有连接
          */
         public boolean isOnline() {
             //得到网络连接的管理者
             ConnectivityManager connMgr = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
             //通过网络管理者得到网络信息
             NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
             //判断网络是否连接
             return (networkInfo != null && networkInfo.isConnected());
         }


}

Fragment

public class Fragment1 extends Fragment implements XListView.IXListViewListener{
    private Handler handler=new Handler(){
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);

               vp.setCurrentItem(intdex);
        }
    };
    private int intdex=1;
    private boolean flog;
    private XListView xlv;
    private View view;
    private MyAdapter adapter;
    private ViewPager vp;
    private List<String>imgList;
    private List<InifBean.ResultBean.DataBean> apklist;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {

        view = inflater.inflate(R.layout.f1,container,false);
        xlv = (XListView) view.findViewById(R.id.xlv);
        xlv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                Intent intent=new Intent(getActivity(), Main3Activity.class);
                intent.putExtra("qq",apklist.get(position-1).getUrl());
                startActivity(intent);
            }
        });
        xlv.setPullLoadEnable(true);
        xlv.setXListViewListener(this);
        vp = (ViewPager) view.findViewById(R.id.vp);
        imgList= Arrays.asList("http://www.microvirt.com/new_market/img/zhuxian_logo.png","http://www.microvirt.com/new_market/img/zhuxian_logo.png","http://www.microvirt.com/new_market/img/zhuxian_logo.png");

        myinitData();
        vp.setAdapter(new MyPageAdapter());



        auto();
        return view;
    }
    public void auto(){
        new Thread(){
            @Override
            public void run() {
                super.run();

                    while (true){
                        try {
                        sleep(1000);


                } catch (Exception e) {
                    e.printStackTrace();
                }
                 intdex++;
                 handler.sendEmptyMessage(0);
                    }
            }
        }.start();


    }


    //解析
    private void myinitData() {
        RequestParams parms=new RequestParams("http://v.juhe.cn/toutiao/index?type=junshi&key=54e3d5f4ee64f51bef570ce8505d37b5");
        x.http().get(parms, new Callback.CommonCallback<String>() {
            //请求数据成功
            @Override
            public void onSuccess(String result) {
                Gson gson=new Gson();
                InifBean bean = gson.fromJson(result, InifBean.class);
                apklist = bean.getResult().getData();
                if(adapter==null){
                    adapter=new MyAdapter(getActivity(), apklist);
                    xlv.setAdapter(adapter);
                }else{
                    adapter.loadmore(apklist,flog);

                }


            }
            //请求数据失败要做的
            @Override
            public void onError(Throwable ex, boolean isOnCallback) {

            }
            //取消
            @Override
            public void onCancelled(CancelledException cex) {

            }
            //最后要做的
            @Override
            public void onFinished() {

            }
        });


    }

    @Override
    public void onRefresh() {
        flog=false;
        ++intdex;
        myinitData();
        xlv.stopRefresh(true);
    }

    @Override
    public void onLoadMore() {
         flog=true;
         ++intdex;
        myinitData();
        xlv.stopLoadMore();
    }
    class MyPageAdapter extends PagerAdapter{


        @Override
        public int getCount() {
            return Integer.MAX_VALUE;
        }

        @Override
        public boolean isViewFromObject(View view, Object object) {
            return view==object;
        }

        @Override
        public Object instantiateItem(ViewGroup container, int position) {

            ImageView imageView=new ImageView(getActivity());
            container.addView(imageView);
            ImageLoader.getInstance().displayImage(imgList.get(position%imgList.size()),imageView, App.getDisp());
            return imageView;
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {

            container.removeView((View) object);

        }
    }

}

适配器

public class MyAdapter extends BaseAdapter {
    private Context context;
    private List<InifBean.ResultBean.DataBean> apklist;


    public MyAdapter(Context context,List<InifBean.ResultBean.DataBean> apklist) {
        this.context=context;
        this.apklist=apklist;


    }
    public void loadmore(List<InifBean.ResultBean.DataBean> list,boolean flog){
        for (InifBean.ResultBean.DataBean  apkBean:list){
            if(flog){
                list.add(apkBean);
            }else{
                list.add(0,apkBean);

            }

        }
        notifyDataSetChanged();

    }
    @Override
    public int getCount() {
        return apklist.size();
    }

    @Override
    public Object getItem(int position) {
        return null;
    }

    @Override
    public long getItemId(int position) {
        return 0;
    }

    @Override
    public int getViewTypeCount() {
        return 2;
    }

    @Override
    public int getItemViewType(int position) {
        if(position%2==0){
            return 0;
        }
        return 1;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {

                 if(convertView==null){

                     convertView = View.inflate(context, R.layout.item,null);
                     TextView tv1= (TextView) convertView.findViewById(R.id.tv1);
                     TextView tv2= (TextView) convertView.findViewById(R.id.tv2);
                     TextView tv3= (TextView) convertView.findViewById(R.id.tv3);
                     ImageView img1= (ImageView) convertView.findViewById(R.id.img);
                     ImageView img2= (ImageView) convertView.findViewById(R.id.img1);
                     ImageView img3= (ImageView) convertView.findViewById(R.id.img2);

                     tv3.setText(apklist.get(position).getTitle());
                     tv1.setText(apklist.get(position).getAuthor_name());
                     //tv2.setText(apklist.get(position).getAuthor_name());
                     loadImage(apklist.get(position).getUrl(),img1);
                     loadImage(apklist.get(position).getThumbnail_pic_s(),img2);
                     loadImage(apklist.get(position).getThumbnail_pic_s02(),img3);



        }
        return convertView;
    }
    public void loadImage(String url, final ImageView imggeView){
        new AsyncTask<String,Void,Bitmap>(){

            @Override
            protected void onPostExecute(Bitmap bitmap) {
                super.onPostExecute(bitmap);
                if(bitmap==null){
                    imggeView.setImageResource(R.mipmap.ic_empty);
                }else{
                    imggeView.setImageBitmap(bitmap);

                }


            }

            @Override
            protected Bitmap doInBackground(String... params) {
                try {
                    URL url=new URL(params[0]);
                    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
                    connection.setRequestMethod("GET");
                    connection.setConnectTimeout(5000);
                    connection.setReadTimeout(5000);
                    int code = connection.getResponseCode();
                    if(code==200){
                        InputStream is = connection.getInputStream();
                        return BitmapFactory.decodeStream(is);

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

                return null;
            }
        }.execute(url);


    }