依赖=======================================================================
compile 'com.squareup.okhttp3:okhttp:3.4.2' implementation 'com.android.support:recyclerview-v7:26.1.0'
权限=======================================================================
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
布局=======================================================================
actvity_main:
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.pdj.bw.zhoukao0528.MainActivity"> <ImageView android:src="@drawable/a" android:layout_alignParentLeft="true" android:layout_margin="10dp" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <TextView android:text="今日头条" android:textSize="24dp" android:layout_marginTop="10dp" android:layout_centerHorizontal="true" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <ImageView android:id="@+id/myimg" android:src="@drawable/b" android:layout_width="wrap_content" android:layout_margin="10dp" android:layout_height="wrap_content" android:layout_alignParentRight="true" /> <android.support.v7.widget.RecyclerView android:id="@+id/rv" android:layout_marginTop="40dp" android:layout_width="match_parent" android:layout_height="match_parent"></android.support.v7.widget.RecyclerView> </RelativeLayout>
items:
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <ImageView android:id="@+id/img" android:layout_width="100dp" android:layout_margin="20dp" android:layout_height="100dp" /> <TextView android:id="@+id/title" android:layout_marginLeft="130dp" android:layout_marginTop="20dp" android:textSize="20dp" android:text="XXXXXXXXXXXXXXXX" android:layout_width="300dp" android:layout_height="wrap_content" /> <TextView android:id="@+id/data" android:layout_marginTop="100dp" android:layout_marginLeft="130dp" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <TextView android:id="@+id/delete" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="70dp" android:layout_marginLeft="350dp" android:textSize="35sp" android:text="x"/> </RelativeLayout>
功能========================================================================
MainActvity====
package com.pdj.bw.zhoukao0528; import android.animation.Animator; import android.animation.AnimatorListenerAdapter; import android.animation.AnimatorSet; import android.animation.ObjectAnimator; import android.content.DialogInterface; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.DividerItemDecoration; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.view.View; import android.widget.ImageView; import android.widget.Toast; import com.google.gson.Gson; import java.io.IOException; import java.util.List; import okhttp3.Call; import okhttp3.Callback; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.Response; public class MainActivity extends AppCompatActivity { private RecyclerView rv; String str="http://www.xieast.com/api/news/news.php"; private Handler handler = new Handler(){ @Override public void handleMessage(Message msg) { super.handleMessage(msg); if(msg.what==1){ final List<JsonData.DataBean> beans = (List<JsonData.DataBean>) msg.obj; final MyAdapter adapter = new MyAdapter(MainActivity.this, beans); //添加适配器 rv.setAdapter(adapter); //设置布局 rv.setLayoutManager(new LinearLayoutManager(MainActivity.this,LinearLayoutManager.VERTICAL,false)); //添加Android自带的分割线 rv.addItemDecoration(new DividerItemDecoration(MainActivity.this,DividerItemDecoration.VERTICAL)); //调用接口 adapter.setOnClickListener(new MyAdapter.OnClickListener() { @Override public void onclick(final int value) { // 1.创建一个对象----AlertDialog的构造器对象 AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this); // 2.设置对话框的内容 builder.setMessage("确定删除吗?");// 提示的内容 builder.setTitle("删除");// 提示框的标题 // 设置确定(积极)按钮 builder.setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // 点击监听执行的逻辑操作 //删除数据 beans.remove(value); adapter.notifyItemChanged(value); Toast.makeText(MainActivity.this, "删除成功", Toast.LENGTH_SHORT).show(); } }); // 设置取消(消极)按钮 builder.setNegativeButton("取消", null); // 3.显示对话框 builder.show(); } }); } } }; private ImageView mImg; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); rv = findViewById(R.id.rv); mImg = findViewById(R.id.myimg); //请求数据 requestData(); mImg.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { ObjectAnimator XAnimator = ObjectAnimator.ofFloat(mImg, "translationX", 0f, -670f); ObjectAnimator YAnimator = ObjectAnimator.ofFloat(mImg, "translationY", 0f, 1110f); ObjectAnimator alpha = ObjectAnimator.ofFloat(mImg, "alpha", 1f,0f,1f); AnimatorSet set = new AnimatorSet(); set.play(XAnimator).with(YAnimator).with(alpha); set.setDuration(3000); set.start(); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { super.onAnimationEnd(animation); //动画执行结束后变为选中 mImg.setImageDrawable(getResources().getDrawable(R.drawable.c)); } }); } }); } private void requestData() { //创建okhttp对象 OkHttpClient okHttpClient = new OkHttpClient.Builder().build(); //创建request对象 Request request = new Request.Builder().url(str).build(); okHttpClient.newCall(request).enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { //请求失败 } @Override public void onResponse(Call call, Response response) throws IOException { //请求成功 //获取数据 String s = response.body().string(); Gson gson = new Gson(); JsonData data = gson.fromJson(s, JsonData.class); List<JsonData.DataBean> beans = data.getData(); Message message = Message.obtain(); message.obj=beans; message.what=1; handler.sendMessage(message); } }); } }
MyAdapter==========
package com.pdj.bw.zhoukao0528; import android.content.Context; import android.graphics.Bitmap; import android.support.v7.widget.RecyclerView; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.TextView; import com.nostra13.universalimageloader.core.DisplayImageOptions; import com.nostra13.universalimageloader.core.ImageLoader; import com.nostra13.universalimageloader.core.assist.ImageScaleType; import com.nostra13.universalimageloader.core.display.RoundedBitmapDisplayer; import java.util.List; public class MyAdapter extends RecyclerView.Adapter<MyAdapter.RecycleViewHolder>{ private Context context; private List<JsonData.DataBean> bean; private final DisplayImageOptions options; public MyAdapter(Context context, List<JsonData.DataBean> bean) { this.context = context; this.bean = bean; options = new DisplayImageOptions.Builder() .cacheInMemory(true)//使用内存缓存 .cacheOnDisk(true)//使用磁盘缓存 .showImageOnLoading(R.mipmap.ic_launcher)//设置正在下载的图片 .showImageForEmptyUri(R.mipmap.ic_launcher)//url为空或请求的资源不存在时 .showImageOnFail(R.mipmap.ic_launcher)//下载失败时显示的图片 .bitmapConfig(Bitmap.Config.RGB_565)//设置图片色彩模式 1px=2个字节 ARGB_8888 1px=4个字节 ARGB_4444 1px=2个字节 ALPHA_8 1px=1个字节 .imageScaleType(ImageScaleType.EXACTLY)//设置图片的缩放模式 .displayer(new RoundedBitmapDisplayer(30))//设置图片的圆角 注意：控件必须要设定宽度与高度 .build(); } @Override public RecycleViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { View view = View.inflate(context, R.layout.items, null); RecycleViewHolder holder = new RecycleViewHolder(view); return holder; } @Override public void onBindViewHolder(RecycleViewHolder holder, final int position) { holder.title.setText(bean.get(position).getTitle()); holder.data.setText(bean.get(position).getDate()); holder.delete.setText("x"); ImageLoader.getInstance().displayImage(bean.get(position).getThumbnail_pic_s(),holder.img,options); holder.delete.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { //调用接口 if(mOnClickListener!=null){ mOnClickListener.onclick(position); } } }); } @Override public int getItemCount() { return bean.size(); } class RecycleViewHolder extends RecyclerView.ViewHolder{ private final ImageView img; private final TextView title; private final TextView data; private final TextView delete; public RecycleViewHolder(View itemView) { super(itemView); img = itemView.findViewById(R.id.img); title = itemView.findViewById(R.id.title); data = itemView.findViewById(R.id.data); delete = itemView.findViewById(R.id.delete); } } //定义接口 public interface OnClickListener{ void onclick(int value); } //创建接口对象 private OnClickListener mOnClickListener; //定义接口方法 public void setOnClickListener(OnClickListener onClickListener){ mOnClickListener=onClickListener; } }
MyApp==========
package com.pdj.bw.zhoukao0528; import android.app.Application; import android.os.Environment; import com.nostra13.universalimageloader.cache.disc.impl.UnlimitedDiscCache; import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator; import com.nostra13.universalimageloader.core.ImageLoader; import com.nostra13.universalimageloader.core.ImageLoaderConfiguration; import java.io.File; public class MyApp extends Application{ @Override public void onCreate() { super.onCreate(); //全局类基础配置 File cacheFile = new File(Environment.getExternalStorageDirectory().getPath() + "/abc"); ImageLoaderConfiguration configuration = new ImageLoaderConfiguration.Builder(this) .memoryCacheExtraOptions(480,800) .threadPoolSize(2) .threadPriority(4) .memoryCacheSize(2*1024*1024) .diskCache(new UnlimitedDiscCache(cacheFile)) .diskCacheSize(20*1024*1024) .writeDebugLogs() .diskCacheFileNameGenerator(new Md5FileNameGenerator()) .build(); ImageLoader.getInstance().init(configuration); } }
JsonData========
package com.pdj.bw.zhoukao0528; import java.util.List; public class JsonData { /** * msg : 成功的返回 * code : 1 * data : [{"uniquekey":"1326bf3c4505783d4a964f81b6220e9d","title":"美国被特朗普坑惨了！又有3个铁杆盟友公开唱对台戏！","date":"2018-05-12 07:25","category":"头条","author_name":"大国军情","url":"http://mini.eastday.com/mobile/180512072544020.html","thumbnail_pic_s":"http://04.imgmini.eastday.com/mobile/20180512/20180512_fe1bf1b6ec00098f9455c84dc81e6763_cover_mwpm_03200403.jpg","thumbnail_pic_s02":"http://04.imgmini.eastday.com/mobile/20180512/20180512_3f636fca330f2311583896aed3185196_cover_mwpm_03200403.jpg","thumbnail_pic_s03":"http://04.imgmini.eastday.com/mobile/20180512/20180512_793fab03dadcd417bf2d8e5e1e48a0f5_cover_mwpm_03200403.jpg"},{"uniquekey":"9db153b507c10bbbed1d26c29c030eef","title":"第71届戛纳电影节：贾樟柯电影《江湖儿女》首映","date":"2018-05-12 07:25","category":"头条","author_name":"新华网","url":"http://mini.eastday.com/mobile/180512072505095.html","thumbnail_pic_s":"http://01.imgmini.eastday.com/mobile/20180512/20180512072505_0fe08f494e7c090764244e3581b3e5ca_5_mwpm_03200403.jpg","thumbnail_pic_s02":"http://01.imgmini.eastday.com/mobile/20180512/20180512072505_0fe08f494e7c090764244e3581b3e5ca_1_mwpm_03200403.jpg","thumbnail_pic_s03":"http://01.imgmini.eastday.com/mobile/20180512/20180512072505_0fe08f494e7c090764244e3581b3e5ca_3_mwpm_03200403.jpg"},{"uniquekey":"4f47eb31b188cfa90881260bb2b11aa8","title":"以色列发射60枚火箭弹对伊朗进行报复，中东小霸王称号保不住了","date":"2018-05-12 07:24","category":"头条","author_name":"遇见优佳","url":"http://mini.eastday.com/mobile/180512072412903.html","thumbnail_pic_s":"http://06.imgmini.eastday.com/mobile/20180512/20180512_38f5183808987be3783b180740d12a2a_cover_mwpm_03200403.jpg","thumbnail_pic_s02":"http://06.imgmini.eastday.com/mobile/20180512/20180512_a3d9f98eb0e3fe36574581f00fa0f898_cover_mwpm_03200403.jpg","thumbnail_pic_s03":"http://06.imgmini.eastday.com/mobile/20180512/20180512_37fa1339af2e64cfd2dc85191950e8ba_cover_mwpm_03200403.jpg"},{"uniquekey":"a3ef77503b9924d7ad6957a5af5da5d1","title":"苏丹驻华大使送别招待会在公共外交文化交流中心举行","date":"2018-05-12 07:22","category":"头条","author_name":"国际在线","url":"http://mini.eastday.com/mobile/180512072229596.html","thumbnail_pic_s":"http://00.imgmini.eastday.com/mobile/20180512/20180512072229_a296d945ae7fe08eed7d78060ce3f5c2_6_mwpm_03200403.jpg","thumbnail_pic_s02":"http://00.imgmini.eastday.com/mobile/20180512/20180512072229_a296d945ae7fe08eed7d78060ce3f5c2_7_mwpm_03200403.jpg","thumbnail_pic_s03":"http://00.imgmini.eastday.com/mobile/20180512/20180512072229_a296d945ae7fe08eed7d78060ce3f5c2_5_mwpm_03200403.jpg"},{"uniquekey":"b447b3941c73a35e587273a8a1b05c2d","title":"十九届三中全会以来推进党和国家机构改革述评","date":"2018-05-12 07:17","category":"头条","author_name":"中国新闻网","url":"http://mini.eastday.com/mobile/180512071745564.html","thumbnail_pic_s":"http://00.imgmini.eastday.com/mobile/20180512/20180512071745_6accdc1c2a1356851f0bf51247a8f256_9_mwpm_03200403.jpg","thumbnail_pic_s02":"http://00.imgmini.eastday.com/mobile/20180512/20180512071745_6accdc1c2a1356851f0bf51247a8f256_8_mwpm_03200403.jpg","thumbnail_pic_s03":"http://00.imgmini.eastday.com/mobile/20180512/20180512071745_6accdc1c2a1356851f0bf51247a8f256_4_mwpm_03200403.jpg"},{"uniquekey":"fc91bd75121e2e84a6cb3d239ddb9846","title":"太反常！特朗普声称退出伊核协议以来，伊朗的表现让美军不适应","date":"2018-05-12 07:15","category":"头条","author_name":"阿尔法军事","url":"http://mini.eastday.com/mobile/180512071539046.html","thumbnail_pic_s":"http://01.imgmini.eastday.com/mobile/20180512/20180512_85e54ca8649794d2c3fdf06faf04fa87_cover_mwpm_03200403.jpg","thumbnail_pic_s02":"http://01.imgmini.eastday.com/mobile/20180512/20180512_e8df98afa3707e436d1793e66d5bc063_cover_mwpm_03200403.jpg","thumbnail_pic_s03":"http://01.imgmini.eastday.com/mobile/20180512/20180512_a1d1e3735f424eba66244a7842b2f7bf_cover_mwpm_03200403.jpg"},{"uniquekey":"ebed0b6a189873fa375a47ee8463c9be","title":"沪正在全面消除无证餐饮店铺 \u201c共享餐厅\u201d最快6月运营","date":"2018-05-12 07:13","category":"头条","author_name":"东方网","url":"http://mini.eastday.com/mobile/180512071324017.html","thumbnail_pic_s":"http://06.imgmini.eastday.com/mobile/20180512/20180512071324_ae237ccc4fcee20ec4909588b5b7609f_1_mwpm_03200403.jpg"},{"uniquekey":"8a88eb5466a46cf6d975579ccb658e29","title":"特朗普嘲讽奥巴马：他花18亿救人，我让朝鲜免费放人","date":"2018-05-12 07:09","category":"头条","author_name":"解放网","url":"http://mini.eastday.com/mobile/180512070940666.html","thumbnail_pic_s":"http://05.imgmini.eastday.com/mobile/20180512/20180512070940_3108dd32b82c16f350b949340f95a647_1_mwpm_03200403.jpg"},{"uniquekey":"6113c546a13e9292ced28b0199a23108","title":"身在国外，这五点我必须说清楚！","date":"2018-05-12 07:03","category":"头条","author_name":"新华网","url":"http://mini.eastday.com/mobile/180512070344831.html","thumbnail_pic_s":"http://02.imgmini.eastday.com/mobile/20180512/20180512070344_7f0366d60dea69d79c1f0432600b5f20_4_mwpm_03200403.jpg","thumbnail_pic_s02":"http://02.imgmini.eastday.com/mobile/20180512/20180512070344_7f0366d60dea69d79c1f0432600b5f20_2_mwpm_03200403.jpg","thumbnail_pic_s03":"http://02.imgmini.eastday.com/mobile/20180512/20180512070344_7f0366d60dea69d79c1f0432600b5f20_3_mwpm_03200403.jpg"},{"uniquekey":"ca9d43ed0e6875692164bea6cc898065","title":"再\u201c读\u201d汶川｜究竟是一种什么样的力量，让中国人如此勇敢地面对可怕的灾难？","date":"2018-05-12 06:59","category":"头条","author_name":"解放网","url":"http://mini.eastday.com/mobile/180512065922743.html","thumbnail_pic_s":"http://03.imgmini.eastday.com/mobile/20180512/20180512065922_e367e5443f66512176376bd05ed65f9a_1_mwpm_03200403.jpg"},{"uniquekey":"da0a52bc92c10e81d16a4e728701cffc","title":"十年对比：通往汶川的唯一通道十年之变","date":"2018-05-12 06:50","category":"头条","author_name":"中国网","url":"http://mini.eastday.com/mobile/180512065018882.html","thumbnail_pic_s":"http://03.imgmini.eastday.com/mobile/20180512/20180512065018_01abef975bd32ccc728ac4e4e6a7ec6e_2_mwpm_03200403.jpg","thumbnail_pic_s02":"http://03.imgmini.eastday.com/mobile/20180512/20180512065018_9cfcb8c2869e997daf379bb7ce19180e_6_mwpm_03200403.jpg","thumbnail_pic_s03":"http://03.imgmini.eastday.com/mobile/20180512/20180512065018_0b79422343a8c1c37ec8121cd0c7a11c_5_mwpm_03200403.jpg"},{"uniquekey":"fa498034a3f9cd9fa2f5e0a2fbfd4da4","title":"全国第一！上海的马路边，应该容得下更多街头艺人","date":"2018-05-12 06:49","category":"头条","author_name":"解放网","url":"http://mini.eastday.com/mobile/180512064903130.html","thumbnail_pic_s":"http://05.imgmini.eastday.com/mobile/20180512/20180512064903_6a2e203b71d2710aded08d300ab29eeb_1_mwpm_03200403.jpg"},{"uniquekey":"e1b21b938c2fc3a7345ca5bd93ab3d8e","title":"被吐槽演技差的宋茜这回动真格的，吴亦凡黄子韬们也跟上节奏了！","date":"2018-05-12 06:46","category":"头条","author_name":"网易越娱乐","url":"http://mini.eastday.com/mobile/180512064621690.html","thumbnail_pic_s":"http://04.imgmini.eastday.com/mobile/20180512/20180512064621_bab229c7b39e6fa7e59dd27703ddfb38_2_mwpm_03200403.jpg","thumbnail_pic_s02":"http://04.imgmini.eastday.com/mobile/20180512/20180512064621_bab229c7b39e6fa7e59dd27703ddfb38_3_mwpm_03200403.jpg","thumbnail_pic_s03":"http://04.imgmini.eastday.com/mobile/20180512/20180512064621_bab229c7b39e6fa7e59dd27703ddfb38_1_mwpm_03200403.jpg"},{"uniquekey":"526a4c110dedc726aa4e53afbcbea23d","title":"美国重新制裁伊朗 德国经济界担忧遭连累","date":"2018-05-12 06:38","category":"头条","author_name":"解放网","url":"http://mini.eastday.com/mobile/180512063843828.html","thumbnail_pic_s":"http://09.imgmini.eastday.com/mobile/20180512/20180512063843_59894e298ee0432f1d141cb347f356c8_1_mwpm_03200403.jpg"},{"uniquekey":"e0a21ea66ac913345a3ddeef2de9acea","title":"马哈蒂尔宣布特赦前副总理安华 二十年前送其入狱","date":"2018-05-12 06:38","category":"头条","author_name":"解放网","url":"http://mini.eastday.com/mobile/180512063843353.html","thumbnail_pic_s":"http://06.imgmini.eastday.com/mobile/20180512/20180512063843_b6081361df8e6cd58b6d52035cb3ee3a_1_mwpm_03200403.jpg"},{"uniquekey":"06c93effa61afee08c768604e97de4d2","title":"日本二手店惊现陈水扁竞选外套 台网友酸：穿上之后手都不会抖了","date":"2018-05-12 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String msg; private int code; private List<DataBean> data; public String getMsg() { return msg; } public void setMsg(String msg) { this.msg = msg; } public int getCode() { return code; } public void setCode(int code) { this.code = code; } public List<DataBean> getData() { return data; } public void setData(List<DataBean> data) { this.data = data; } public static class DataBean { /** * uniquekey : 1326bf3c4505783d4a964f81b6220e9d * title : 美国被特朗普坑惨了！又有3个铁杆盟友公开唱对台戏！ * date : 2018-05-12 07:25 * category : 头条 * author_name : 大国军情 * url : http://mini.eastday.com/mobile/180512072544020.html * thumbnail_pic_s : http://04.imgmini.eastday.com/mobile/20180512/20180512_fe1bf1b6ec00098f9455c84dc81e6763_cover_mwpm_03200403.jpg * thumbnail_pic_s02 : http://04.imgmini.eastday.com/mobile/20180512/20180512_3f636fca330f2311583896aed3185196_cover_mwpm_03200403.jpg * thumbnail_pic_s03 : http://04.imgmini.eastday.com/mobile/20180512/20180512_793fab03dadcd417bf2d8e5e1e48a0f5_cover_mwpm_03200403.jpg */ private String uniquekey; private String title; private String date; private String category; private String author_name; private String url; private String thumbnail_pic_s; private String thumbnail_pic_s02; private String thumbnail_pic_s03; public String getUniquekey() { return uniquekey; } public void setUniquekey(String uniquekey) { this.uniquekey = uniquekey; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getDate() { return date; } public void setDate(String date) { this.date = date; } public String getCategory() { return category; } public void setCategory(String category) { this.category = category; } public String getAuthor_name() { return author_name; } public void setAuthor_name(String author_name) { this.author_name = author_name; } public String getUrl() { return url; } public void setUrl(String url) { this.url = url; } public String getThumbnail_pic_s() { return thumbnail_pic_s; } public void setThumbnail_pic_s(String thumbnail_pic_s) { this.thumbnail_pic_s = thumbnail_pic_s; } public String getThumbnail_pic_s02() { return thumbnail_pic_s02; } public void setThumbnail_pic_s02(String thumbnail_pic_s02) { this.thumbnail_pic_s02 = thumbnail_pic_s02; } public String getThumbnail_pic_s03() { return thumbnail_pic_s03; } public void setThumbnail_pic_s03(String thumbnail_pic_s03) { this.thumbnail_pic_s03 = thumbnail_pic_s03; } } }
NetOkData======
package com.pdj.bw.zhoukao0528.Presenter; import com.google.gson.Gson; import com.pdj.bw.zhoukao0528.JsonData; import java.io.IOException; import java.lang.ref.Reference; import java.lang.ref.WeakReference; import java.util.List; import okhttp3.Call; import okhttp3.Callback; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.Response; public class NetOkData { public static String getNetJson(String urlString) { //创建okhttp对象 OkHttpClient okHttpClient = new OkHttpClient.Builder().build(); //创建request对象 final Request request = new Request.Builder().url(urlString).build(); okHttpClient.newCall(request).enqueue(new Callback() { private List<JsonData.DataBean> beans; @Override public void onFailure(Call call, IOException e) { //请求失败 } @Override public void onResponse(Call call, Response response) throws IOException { //请求成功 //获取数据 String s = response.body().string(); Gson gson = new Gson(); JsonData data = gson.fromJson(s, JsonData.class); beans = data.getData(); } }); return ""; } //解决内存泄漏 public abstract class BasePresenter<T> { protected Reference<T> viewRef; public void attachView(T view){ viewRef= new WeakReference<T>(view); } public void detachView(){ if(viewRef !=null){ viewRef.clear(); viewRef=null; } } } }