多条目展示

原创 于 2017-10-26 08:14:40 发布 · 209 阅读 · 0 ·
CC 4.0 BY-SA版权
版权声明：本文为博主原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接和本声明。

本文介绍了一个安卓应用中使用的各种组件，包括图片加载库Glide、网络请求库OkHttp等，并展示了如何使用这些组件来实现流畅的动画效果，如自定义视图的绘制和属性动画的应用。

摘要生成于 C知道 ，由 DeepSeek-R1 满血版支持， 前往体验 >

compile 'com.android.support:design:25.3.1'
compile 'com.squareup.okhttp3:okhttp:3.9.0'
compile 'com.android.support:recyclerview-v7:25.3.1'
compile 'com.github.bumptech.glide:glide:3.7.0'
compile 'com.google.code.gson:gson:2.8.2'


public class MainActivity extends AppCompatActivity {
    int count=3;
    private ImageView img;
Handler handler=new Handler(){
    @Override
    public void handleMessage(Message msg) {
        super.handleMessage(msg);
        count--;
        if (count==0){
            Intent intent=new Intent(MainActivity.this,Main2Activity.class);
            startActivity(intent);
        }
        sendEmptyMessageDelayed(0,1000);
    }
};
    private CustomView yuan;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        yuan = (CustomView) findViewById(R.id.yuan);

           ObjectAnimator.ofFloat(yuan, "translationX", 0, 500).setDuration(3000).start();
           ObjectAnimator.ofFloat(yuan, "translationY", 0, 1000).setDuration(3000).start();

        handler.sendEmptyMessage(0);
    }

public CustomView(Context context) {
    super(context);
}

public CustomView(Context context, @Nullable AttributeSet attrs) {
    super(context, attrs);
}

@Override
protected void onDraw(Canvas canvas) {
    Paint paint = new Paint();
    paint.setTextSize(10);
    paint.setColor(Color.BLUE);


    canvas.drawCircle(60, 50, 50, paint);
    paint.setStyle(Style.STROKE);

}

public class Main2Activity extends AppCompatActivity {

    private TabLayout tab;
    private ViewPager vp;
    String[] strName=new String[]{"最新日报", "专栏", "热门", "主题日报"};
    List<Fragment> flist=new ArrayList<>();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);
        tab = (TabLayout) findViewById(R.id.tab);
        vp = (ViewPager) findViewById(R.id.vp);
     settab();
        MyAdapter adapter=new MyAdapter(getSupportFragmentManager());
        vp.setAdapter(adapter);
        tab.setupWithViewPager(vp);

    }

    private void settab() {
        for (int i=0;i<4;i++){

            tab.addTab(tab.newTab().setText(strName[i]));


        }
        flist.add(new Fragment_one());
        flist.add(new Fragment_two());
        flist.add(new Fragment_three());
        flist.add(new Fragment_four());
    }

    class MyAdapter extends FragmentPagerAdapter {


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

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

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

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

    }

public class MyReAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder>{
private Context context;
    private List<JBean.TopStoriesBean>list;
    private int currentItem = 10*1000;
    private Handler handler = new Handler(){
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            currentItem++;
            holder3.viewpager.setCurrentItem(currentItem);
            if (currentItem == 0){
                currentItem = 10;
            }else {
                sendEmptyMessageDelayed(0,1000);
            }
        }
    };
    private ViewHolder3 holder3;


    public MyReAdapter(Context context, List<JBean.TopStoriesBean> list) {
        this.context = context;
        this.list = list;
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view=null;
        RecyclerView.ViewHolder holder=null;
        switch (viewType){
            case 0:
                view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item, parent, false);
                holder=new ViewHolder(view);
                break;
            case 1:
                view = LayoutInflater.from(parent.getContext()).inflate(R.layout.activity_item, parent, false);
                holder=new ViewHolder2(view);
                break;
            case 2:
                view = LayoutInflater.from(parent.getContext()).inflate(R.layout.vpitem, parent, false);
                holder=new ViewHolder3(view);
                break;
        }
        return holder;
    }

    @Override
    public void onBindViewHolder(final RecyclerView.ViewHolder holder, int position) {
        switch (getItemViewType(position)){
            case 0:
                ViewHolder holder1= (ViewHolder) holder;
                Glide.with(context).load(list.get(position).getImage()).into(holder1.img1);
                break;
            case  1:
                ViewHolder2 holder2= (ViewHolder2) holder;
                holder2.tv1.setText(list.get(position).getTitle());
                holder2.tv2.setText(list.get(position).getId()+"");
                Glide.with(context).load(list.get(position).getImage()).into(holder2.img);
                break;
            case 2:
                holder3 = (ViewHolder3) holder;
                VpAdapter vpAdapter=new VpAdapter(context,list);
                holder3.viewpager.setAdapter(vpAdapter);
                ((ViewHolder3) holder).viewpager.setCurrentItem(currentItem);
                handler.sendEmptyMessage(0);
                holder3.viewpager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
                    @Override
                    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

                    }

                    @Override
                    public void onPageSelected(int position) {
                        Log.e("**********",position+"");

                        switch (position){
                            case 0:
                                holder3.raidogroup.check(R.id.rb1);
                                break;
                            case 1:
                                holder3.raidogroup.check(R.id.rb2);
                                break;
                            case 2:
                                holder3.raidogroup.check(R.id.rb3);
                                break;
                            case 3:
                                holder3.raidogroup.check(R.id.rb4);
                                break;
                            case 4:
                                holder3.raidogroup.check(R.id.rb5);
                                break;
                        }
                    }
                    @Override
                    public void onPageScrollStateChanged(int state) {

                    }
                });

                holder3.raidogroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
                    @Override
                    public void onCheckedChanged(RadioGroup group, @IdRes int checkedId) {
                        switch (checkedId){
                            case R.id.rb1:
                                holder3.viewpager.setCurrentItem(0);
                                break;
                            case R.id.rb2:
                                holder3.viewpager.setCurrentItem(1);
                                break;
                            case R.id.rb3:
                                holder3.viewpager.setCurrentItem(2);
                                break;
                            case R.id.rb4:
                                holder3.viewpager.setCurrentItem(3);
                                break;
                            case R.id.rb5:
                                holder3.viewpager.setCurrentItem(4);
                                break;
                        }
                    }
                });
                break;
        }
    }

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

    @Override
    public int getItemCount() {
        return list.size();
    }

    public class ViewHolder extends RecyclerView.ViewHolder{


        private final ImageView img1;

        public ViewHolder(View itemView) {
            super(itemView);

            img1 = (ImageView) itemView.findViewById(R.id.imageview);

        }
    }
    public class ViewHolder2 extends RecyclerView.ViewHolder{

        private final ImageView img;
        private final TextView tv1;
        private final TextView tv2;

        public ViewHolder2(View itemView) {
            super(itemView);
            img = (ImageView) itemView.findViewById(R.id.img);
            tv1 = (TextView) itemView.findViewById(R.id.tv1);
            tv2= (TextView) itemView.findViewById(R.id.tv2);

        }

    }
    public class ViewHolder3 extends RecyclerView.ViewHolder{

        private final ViewPager viewpager;
        private final RadioGroup raidogroup;
        private final RadioButton rb1;
        private final RadioButton rb2;
        private final RadioButton rb3;
        private final RadioButton rb4;
        private final RadioButton rb5;

        public ViewHolder3(View itemView) {
            super(itemView);
            viewpager = (ViewPager) itemView.findViewById(R.id.viewpager);
            raidogroup = (RadioGroup) itemView.findViewById(R.id.radiogroup);
            rb1 = (RadioButton) itemView.findViewById(R.id.rb1);
            rb2 = (RadioButton) itemView.findViewById(R.id.rb2);
            rb3 = (RadioButton) itemView.findViewById(R.id.rb3);
            rb4 = (RadioButton) itemView.findViewById(R.id.rb4);
            rb5 = (RadioButton) itemView.findViewById(R.id.rb5);
        }
    }
}

public class VpAdapter extends PagerAdapter {
    private Context context;
    private List<JBean.TopStoriesBean>list=new ArrayList<>();

    public VpAdapter(Context context, List<JBean.TopStoriesBean> list) {
        this.context = context;
        this.list = list;
    }

    @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(context);
        imageView.setScaleType(ImageView.ScaleType.FIT_XY);
        String image = list.get(position%5).getImage();
        Glide.with(context).load(image).into(imageView);
        container.addView(imageView);
        return imageView;
    }

    @Override
    public void destroyItem(ViewGroup container, int position, Object object) {
        container.removeView((View) object);
    }
}

public class Fragment_one extends Fragment {

    List<JBean.TopStoriesBean> top_stories;
    private View inflate;
    private RecyclerView recyclerView;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        inflate = inflater.inflate(R.layout.fragment,null);
        return inflate;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
       View view =  getView();
        recyclerView = (RecyclerView) view.findViewById(R.id.re);
        LinearLayoutManager linearLayoutManager  = new LinearLayoutManager(getActivity());
//        linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
        recyclerView.setLayoutManager(linearLayoutManager);

        initData();
    }

    private void initData() {
        OkHttpClient okHttpClient = MyApplivation.okHttpClient();
        Request request = new Request.Builder().url("http://news-at.zhihu.com/api/4/news/latest").build();
                okHttpClient.newCall(request).enqueue(new Callback() {

            @Override
            public void onFailure(Call call, IOException e) {

            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                String json = response.body().string();
                if (response.isSuccessful()) {
                    Gson gson = new Gson();
                    JBean bean = gson.fromJson(json, JBean.class);
                     top_stories = bean.getTop_stories();
                    getActivity().runOnUiThread(new Runnable() {

                        @Override
                        public void run() {
                        MyReAdapter  re = new MyReAdapter(getActivity(),top_stories);
                           recyclerView.setAdapter(re);
                        }
                    });
                }
            }
        });
    }
}

<com.bawei.myapplicationlianxi.CustomView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"

    android:id="@+id/yuan"
    />
<android.support.design.widget.TabLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:id="@+id/tab"></android.support.design.widget.TabLayout>
<android.support.v4.view.ViewPager
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:id="@+id/vp"
    ></android.support.v4.view.ViewPager>

<android.support.v4.view.ViewPager
    android:layout_width="match_parent"
    android:layout_height="200dp"
    android:id="@+id/viewpager"
    >


</android.support.v4.view.ViewPager>

    <RadioGroup
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:id="@+id/radiogroup"
        android:gravity="center"

        >
        <RadioButton
            android:checked="true"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/rb1"
        />
        <RadioButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/rb2"
            />
        <RadioButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/rb3"
            />
        <RadioButton
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/rb4"
        />
        <RadioButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/rb5"
            />
    </RadioGroup>



                

        

    

    
  



    

      

        

            

              
                
                  Chen___tao
                
              
            

            

                关注
              
            

        

        

          
      

      










            

  



          




        



    





    



      

      

        
      

      





	

		评论	
	

  
	




  

    

      添加红包
      
    

    

      

        
        

          
          
        

        
请填写红包祝福语或标题

      

      

        
        

          
          个
        

        
红包个数最小为10个

      

      

        
        

          
          元
        

        
红包金额最低5元

      

      

        
        

          当前余额3.43元
          前往充值 >
        

      

      

        

          需支付：10.00元
        

        
        
      

    

  





  

    
    
  

  

    
    
  








  

    

      

        

          

            
            
成就一亿技术人!

          

          

        

        

          

          

            领取后你会自动成为博主和红包主的粉丝
            规则
          

        

      

      

        

          

            
              
            
            

              
hope_wisdom
 发出的红包
            

          

        

        

          

          

          

        

      

    

    

  



      
      

      
实付元

      
使用余额支付

      

        

          

            
            点击重新获取
          

        

        
扫码支付

      

      

        
          
            
          
          
        
      

      

        
        钱包余额
          0
          

            
            

              

                
抵扣说明：

                
 1.余额是钱包充值的虚拟货币，按照1:1的比例进行支付金额的抵扣。
 2.余额无法直接购买下载，可以购买VIP、付费专栏及课程。

              

            

          

      

      余额充值