adapter

来源：互联网发布：minimax算法写程序编辑：程序博客网时间：2024/05/22 03:48

dependencies {    compile fileTree(include: ['*.jar'], dir: 'libs')    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {        exclude group: 'com.android.support', module: 'support-annotations'    })    compile 'com.android.support:appcompat-v7:26.+'    compile 'com.android.support.constraint:constraint-layout:1.0.2'    testCompile 'junit:junit:4.12'    compile 'com.youth.banner:banner:1.4.9'    compile files('libs/glide-3.7.0.jar')    compile files('libs/gson-2.2.4.jar')    compile files('libs/okhttp-3.9.0.jar')    compile files('libs/okio-1.13.0.jar')    compile 'com.jcodecraeer:xrecyclerview:1.3.2'    compile 'com.android.support:design:26.0.0-alpha1'

public class MainActivity extends AppCompatActivity {    private MyRadius radius;    private Handler handler = new Handler();    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        showRadius();        handler.postDelayed(new Runnable() {            @Override            public void run() {                Intent intent = new Intent(MainActivity.this, Main2Activity.class);                startActivity(intent);            }        }, 3000);    }    private void showRadius() {        radius = (MyRadius) findViewById(R.id.myradius);//        ValueAnimator animator = ValueAnimator.ofInt(0,500);//        animator.setDuration(3000);////        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {//            @Override//            public void onAnimationUpdate(ValueAnimator animation) {//                int curValue = (int)animation.getAnimatedValue();//                radius.layout(curValue,curValue,curValue+radius.getWidth(),curValue+radius.getHeight());//            }//        });//        animator.start();        //radius.setVisibility(View.VISIBLE);        int endX = radius.getMeasuredWidth() - getResources().getDisplayMetrics().widthPixels;        //设置X轴平移量        int endY = radius.getMeasuredHeight() * 2 - getResources().getDisplayMetrics().heightPixels;        //设置Y轴平移量        PropertyValuesHolder transXHolder = PropertyValuesHolder.ofFloat("translationX", 0, -endX);        PropertyValuesHolder transYHolder = PropertyValuesHolder.ofFloat("translationY", 0, -endY);       // PropertyValuesHolder scaleXHolder=PropertyValuesHolder.ofFloat("scaleX",1,0);       // PropertyValuesHolder scaleYHolder=PropertyValuesHolder.ofFloat("scaleY",1,0);        ObjectAnimator objectAnimator=ObjectAnimator.ofPropertyValuesHolder(radius,transXHolder,transYHolder);        objectAnimator.setDuration(3000);        objectAnimator.start();//播放完后，图片会回到原来的位置    }}
public class Main2Activity extends AppCompatActivity {    private ViewPager vp;    private List<Fragment> list_frag;    private MyFTAdapter myFTAdapter;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main2);        initFragment();    }    private void initFragment() {        vp = (ViewPager) findViewById(R.id.vp);        list_frag = new ArrayList<>();        list_frag.add(new Fragment_One());        list_frag.add(new Fragment_Two());        list_frag.add(new Fragment_Three());        myFTAdapter = new MyFTAdapter(getSupportFragmentManager(), list_frag);        vp.setAdapter(myFTAdapter);    }}

public class MyRadius extends View {    private Paint paint;    public MyRadius(Context context) {        super(context);        init();    }    public MyRadius(Context context, @Nullable AttributeSet attrs) {        super(context, attrs);        init();    }    public MyRadius(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {        super(context, attrs, defStyleAttr);        init();    }    public void init(){        paint = new Paint();        paint.setAntiAlias(true);        paint.setColor(Color.BLUE);        paint.setStrokeWidth(1);    }    @Override    protected void onDraw(Canvas canvas) {        super.onDraw(canvas);        canvas.drawCircle(20, 20, 20, paint);    }}

/** * Created by Administrator on 2017/10/13. */public class OkHttp {    /**     * 静态实例     */    private static OkHttp sOkHttpManager;    /**     * okhttpclient实例     */    private OkHttpClient mClient;    /**     * 因为我们请求数据一般都是子线程中请求，在这里我们使用了handler     */    private Handler mHandler;    /**     * 构造方法     */    private OkHttp() {        mClient = new OkHttpClient();        /**         * 在这里直接设置连接超时.读取超时，写入超时         */        mClient.newBuilder().connectTimeout(10, TimeUnit.SECONDS);        mClient.newBuilder().readTimeout(10, TimeUnit.SECONDS);        mClient.newBuilder().writeTimeout(10, TimeUnit.SECONDS);        /**         * 如果是用的3.0之前的版本  使用以下直接设置连接超时.读取超时，写入超时         */        //client.setConnectTimeout(10, TimeUnit.SECONDS);        //client.setWriteTimeout(10, TimeUnit.SECONDS);        //client.setReadTimeout(30, TimeUnit.SECONDS);        /**         * 初始化handler         */        mHandler = new Handler(Looper.getMainLooper());    }    /**     * 单例模式  获取OkHttp实例     *     * @return     */    public static OkHttp getInstance() {        if (sOkHttpManager == null) {            sOkHttpManager = new OkHttp();        }        return sOkHttpManager;    }    //-------------------------同步的方式请求数据--------------------------    /**     * 对外提供的get方法,同步的方式     *     * @param url 传入的地址     * @return     */    public static Response getSync(String url) {        //通过获取到的实例来调用内部方法        return sOkHttpManager.inner_getSync(url);    }    /**     * GET方式请求的内部逻辑处理方式，同步的方式     *     * @param url     * @return     */    private Response inner_getSync(String url) {        Request request = new Request.Builder().url(url).build();        Response response = null;        try {            //同步请求返回的是response对象            response = mClient.newCall(request).execute();        } catch (IOException e) {            e.printStackTrace();        }        return response;    }    /**     * 对外提供的同步获取String的方法     *     * @param url     * @return     */    public static String getSyncString(String url) {        return sOkHttpManager.inner_getSyncString(url);    }    /**     * 同步方法     */    private String inner_getSyncString(String url) {        String result = null;        try {            /**             * 把取得到的结果转为字符串，这里最好用string()             */            result = inner_getSync(url).body().string();        } catch (IOException e) {            e.printStackTrace();        }        return result;    }    //-------------------------异步的方式请求数据--------------------------    public static void getAsync(String url, DataCallBack callBack) {        getInstance().inner_getAsync(url, callBack);    }    /**     * 内部逻辑请求的方法     *     * @param url     * @param callBack     * @return     */    private void inner_getAsync(String url, final DataCallBack callBack) {        final Request request = new Request.Builder().url(url).build();        mClient.newCall(request).enqueue(new Callback() {            @Override            public void onFailure(Call call, IOException e) {                deliverDataFailure(request, e, callBack);            }            @Override            public void onResponse(Call call, Response response) throws IOException {                String result = null;                try {                    result = response.body().string();                } catch (IOException e) {                    deliverDataFailure(request, e, callBack);                }                deliverDataSuccess(result, callBack);            }        });    }    /**     * 分发失败的时候调用     *     * @param request     * @param e     * @param callBack     */    private void deliverDataFailure(final Request request, final IOException e, final DataCallBack callBack) {        /**         * 在这里使用异步处理         */        mHandler.post(new Runnable() {            @Override            public void run() {                if (callBack != null) {                    callBack.requestFailure(request, e);                }            }        });    }    /**     * 分发成功的时候调用     *     * @param result     * @param callBack     */    private void deliverDataSuccess(final String result, final DataCallBack callBack) {        /**         * 在这里使用异步线程处理         */        mHandler.post(new Runnable() {            @Override            public void run() {                if (callBack != null) {                    try {                        callBack.requestSuccess(result);                    } catch (Exception e) {                        e.printStackTrace();                    }                }            }        });    }    /**     * 数据回调接口     */    public interface DataCallBack {        void requestFailure(Request request, IOException e);        void requestSuccess(String result) throws Exception;    }    //-------------------------提交表单--------------------------    public static void postAsync(String url, Map<String, String> params, DataCallBack callBack) {        getInstance().inner_postAsync(url, params, callBack);    }    private void inner_postAsync(String url, Map<String, String> params, final DataCallBack callBack) {        RequestBody requestBody = null;        if (params == null) {            params = new HashMap<>();        }        /**         * 如果是3.0之前版本的，构建表单数据是下面的一句         */        //FormEncodingBuilder builder = new FormEncodingBuilder();        /**         * 3.0之后版本         */        FormBody.Builder builder = new FormBody.Builder();        /**         * 在这对添加的参数进行遍历，map遍历有四种方式，如果想要了解的可以网上查找         */        for (Map.Entry<String, String> map : params.entrySet()) {            String key = map.getKey().toString();            String value = null;            /**             * 判断值是否是空的             */            if (map.getValue() == null) {                value = "";            } else {                value = map.getValue();            }            /**             * 把key和value添加到formbody中             */            builder.add(key, value);        }        requestBody = builder.build();        //结果返回        // 请求对象        final Request request = new Request.Builder().url(url).post(requestBody).build();        mClient.newCall(request).enqueue(new Callback() {            @Override            public void onFailure(Call call, IOException e) {                deliverDataFailure(request, e, callBack);            }            @Override            public void onResponse(Call call, Response response) throws IOException {                String result = response.body().string();                deliverDataSuccess(result, callBack);            }        });    }    //-------------------------文件下载--------------------------    public static void downloadAsync(String url, String desDir, DataCallBack callBack) {        getInstance().inner_downloadAsync(url, desDir, callBack);    }    /**     * 下载文件的内部逻辑处理类     *     * @param url      下载地址     * @param desDir   目标地址     * @param callBack     */    private void inner_downloadAsync(final String url, final String desDir, final DataCallBack callBack) {        final Request request = new Request.Builder().url(url).build();        mClient.newCall(request).enqueue(new Callback() {            @Override            public void onFailure(Call call, IOException e) {                deliverDataFailure(request, e, callBack);            }            @Override            public void onResponse(Call call, Response response) throws IOException {                /**                 * 在这里进行文件的下载处理                 */                InputStream inputStream = null;                FileOutputStream fileOutputStream = null;                try {                    //文件名和目标地址                    File file = new File(desDir, getFileName(url));                    //把请求回来的response对象装换为字节流                    inputStream = response.body().byteStream();                    fileOutputStream = new FileOutputStream(file);                    int len = 0;                    byte[] bytes = new byte[2048];                    //循环读取数据                    while ((len = inputStream.read(bytes)) != -1) {                        fileOutputStream.write(bytes, 0, len);                    }                    //关闭文件输出流                    fileOutputStream.flush();                    //调用分发数据成功的方法                    deliverDataSuccess(file.getAbsolutePath(), callBack);                } catch (IOException e) {                    //如果失败，调用此方法                    deliverDataFailure(request, e, callBack);                    e.printStackTrace();                } finally {                    if (inputStream != null) {                        inputStream.close();                    }                    if (fileOutputStream != null) {                        fileOutputStream.close();                    }                }            }        });    }    /**     * 根据文件url获取文件的路径名字     *     * @param url     * @return     */    private String getFileName(String url) {        int separatorIndex = url.lastIndexOf("/");        String path = (separatorIndex < 0) ? url : url.substring(separatorIndex + 1, url.length());        return path;    }}

public class Fragment_New extends Fragment {    private View view;    private Banner banner;    RbDatas rbDatas;    private XRecyclerView xrv;    private List<String> list_banner;    private MyRvAdapter myRvAdapter;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        view = inflater.inflate(R.layout.frag_new, null);        showBanner();        showXrv();        return view;    }    private void showXrv() {        xrv = view.findViewById(R.id.xrv);        myRvAdapter = new MyRvAdapter(getActivity(), rbDatas);        xrv.setAdapter(myRvAdapter);    }    private void showBanner() {        banner = view.findViewById(R.id.banner);        OkHttp.getAsync("http://news-at.zhihu.com/api/4/news/latest", new OkHttp.DataCallBack() {            @Override            public void requestFailure(Request request, IOException e) {            }            @Override            public void requestSuccess(String result) throws Exception {                rbDatas = RbDatas.objectFromData(result);            }        });        list_banner = new ArrayList();//        for (int i = 0; i < rbDatas.top_stories.size(); i++) {//            list_banner.add(rbDatas.top_stories.get(i).image);//        }        list_banner.add("https://pic3.zhimg.com/v2-20786b64172211a00c6e611b1bfbb2b6.jpg");        list_banner.add("https://pic4.zhimg.com/v2-97d9c4d8c3c673b10772682e5ac0c137.jpg");        list_banner.add("https://pic2.zhimg.com/v2-e7582788c34b9d40b7b849ea3458d0dd.jpg");        list_banner.add("https://pic1.zhimg.com/v2-e5b5e2342378517d1ddeb3f26496367c.jpg");        list_banner.add("https://pic2.zhimg.com/v2-2f8827e1dd120aecea73713fd27f67d1.jpg");        banner.setImages(list_banner);        banner.setImageLoader(new ImageLoader() {            @Override            public void displayImage(Context context, Object path, ImageView imageView) {                Glide.with(context).load(path).into(imageView);            }        });        banner.start();    }}

public class Fragment_One extends Fragment {    private View view;    private TabLayout tabLayout;//定义tablayout控件    private ViewPager vp_tab;//定义ViewPager    private List<Fragment> list_frag_tab;//定义存放Fragment的集合    private List<String> list_title;//tab名称列表    private MyTabAdapter myTabAdapter;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        view = inflater.inflate(R.layout.frag_one, null);        //加载tablayout        initControls(view);        return view;    }    private void initControls(View view) {        tabLayout = (TabLayout)view.findViewById(R.id.tablayout);        vp_tab = (ViewPager)view.findViewById(R.id.vp_tab);        //添加Fragment给tablayout        list_frag_tab = new ArrayList<>();        list_frag_tab.add(new Fragment_New());        list_frag_tab.add(new Fragment_ZL());        list_frag_tab.add(new Fragment_Hot());        list_frag_tab.add(new Fragment_ZT());        //给tablayout添加名字        list_title = new ArrayList<>();        list_title.add("最新日报");        list_title.add("专栏");        list_title.add("热门");        list_title.add("主题日报");        //给tablayout设置模式        //给tablayout设置标题        for (int i = 0; i < list_title.size(); i++) {            tabLayout.addTab(tabLayout.newTab().setText(list_title.get(i)));        }        myTabAdapter = new MyTabAdapter(getFragmentManager(), list_frag_tab, list_title);        vp_tab.setAdapter(myTabAdapter);    }}

 public class MyFTAdapter extends FragmentPagerAdapter {    private FragmentPagerAdapter fm;    private List<Fragment> list_frag;    public MyFTAdapter(FragmentManager fm, List<Fragment> list_frag) {        super(fm);        this.list_frag = list_frag;    }    @Override    public Fragment getItem(int position) {        return list_frag.get(position);    }    @Override    public int getCount() {        return list_frag.size();    }}
public class MyRvAdapter extends XRecyclerView.Adapter<MyRvAdapter.MyViewHolder> {    private Context context;    private RbDatas rbDatas;    public MyRvAdapter(Context context, RbDatas rbDatas) {        this.context = context;        this.rbDatas = rbDatas;    }    @Override    public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {        View view = LayoutInflater.from(context).inflate(R.layout.item, parent, false);        MyViewHolder holder = new MyViewHolder(view);        return holder;    }    @Override    public void onBindViewHolder(MyViewHolder holder, int position) {        Glide.with(context).load(rbDatas.stories.get(position).images.get(0)).into(holder.iv_item);        holder.tv_item.setText(rbDatas.stories.get(position).title);    }    @Override    public int getItemCount() {        return rbDatas.stories.size();    }    static class MyViewHolder extends XRecyclerView.ViewHolder{    ImageView iv_item;        TextView tv_item;        public MyViewHolder(View itemView) {            super(itemView);            iv_item = itemView.findViewById(R.id.iv_item);            tv_item = itemView.findViewById(R.id.tv_item);        }    }}

public class MyTabAdapter extends FragmentPagerAdapter {    private List<Fragment> list_frag_tab;    private List<String> list_title;    public MyTabAdapter(FragmentManager fm, List<Fragment> list_frag_tab, List<String> list_title) {        super(fm);        this.list_frag_tab = list_frag_tab;        this.list_title = list_title;    }    @Override    public Fragment getItem(int position) {        return list_frag_tab.get(position);    }    @Override    public int getCount() {        return list_frag_tab.size();    }    //联动后通过ViewPager适配器里面的getpagetitle方法给tablayout设置标题    @Override    public CharSequence getPageTitle(int position) {        return list_title.get(position);    }}

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