RecyclerView+网络加载数据图片+属性动画对角平移透明

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="/apk/res/android" xmlns:app="/apk/res-auto" xmlns:tools="/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="/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="/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() {@Overridepublic 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() {@Overridepublic 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":"-05-12 07:25","category":"头条","author_name":"大国军情","url":"/mobile/180512072544020.html","thumbnail_pic_s":"http://04./mobile/0512/0512_fe1bf1b6ec00098f9455c84dc81e6763_cover_mwpm_0303.jpg","thumbnail_pic_s02":"http://04./mobile/0512/0512_3f636fca330f2311583896aed3185196_cover_mwpm_0303.jpg","thumbnail_pic_s03":"http://04./mobile/0512/0512_793fab03dadcd417bf2d8e5e1e48a0f5_cover_mwpm_0303.jpg"},{"uniquekey":"9db153b507c10bbbed1d26c29c030eef","title":"第71届戛纳电影节：贾樟柯电影《江湖儿女》首映","date":"-05-12 07:25","category":"头条","author_name":"新华网","url":"/mobile/180512072505095.html","thumbnail_pic_s":"http://01./mobile/0512/0512072505_0fe08f494e7c090764244e3581b3e5ca_5_mwpm_0303.jpg","thumbnail_pic_s02":"http://01./mobile/0512/0512072505_0fe08f494e7c090764244e3581b3e5ca_1_mwpm_0303.jpg","thumbnail_pic_s03":"http://01./mobile/0512/0512072505_0fe08f494e7c090764244e3581b3e5ca_3_mwpm_0303.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":"-05-12 07:24","category":"头条","author_name":"遇见优佳","url":"/mobile/180512072412903.html","thumbnail_pic_s":"http://06./mobile/0512/0512_38f5183808987be3783b180740d12a2a_cover_mwpm_0303.jpg","thumbnail_pic_s02":"http://06./mobile/0512/0512_a3d9f98eb0e3fe36574581f00fa0f898_cover_mwpm_0303.jpg","thumbnail_pic_s03":"http://06./mobile/0512/0512_37fa1339af2e64cfd2dc85191950e8ba_cover_mwpm_0303.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":"-05-12 07:22","category":"头条","author_name":"国际在线","url":"/mobile/180512072229596.html","thumbnail_pic_s":"http://00./mobile/0512/0512072229_a296d945ae7fe08eed7d78060ce3f5c2_6_mwpm_0303.jpg","thumbnail_pic_s02":"http://00./mobile/0512/0512072229_a296d945ae7fe08eed7d78060ce3f5c2_7_mwpm_0303.jpg","thumbnail_pic_s03":"http://00./mobile/0512/0512072229_a296d945ae7fe08eed7d78060ce3f5c2_5_mwpm_0303.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":"-05-12 07:17","category":"头条","author_name":"中国新闻网","url":"/mobile/180512071745564.html","thumbnail_pic_s":"http://00./mobile/0512/0512071745_6accdc1c2a1356851f0bf51247a8f256_9_mwpm_0303.jpg","thumbnail_pic_s02":"http://00./mobile/0512/0512071745_6accdc1c2a1356851f0bf51247a8f256_8_mwpm_0303.jpg","thumbnail_pic_s03":"http://00./mobile/0512/0512071745_6accdc1c2a1356851f0bf51247a8f256_4_mwpm_0303.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":"-05-12 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07:09","category":"头条","author_name":"解放网","url":"/mobile/180512070940666.html","thumbnail_pic_s":"http://05./mobile/0512/0512070940_3108dd32b82c16f350b949340f95a647_1_mwpm_0303.jpg"},{"uniquekey":"6113c546a13e9292ced28b0199a23108","title":"身在国外，这五点我必须说清楚！","date":"-05-12 07:03","category":"头条","author_name":"新华网","url":"/mobile/180512070344831.html","thumbnail_pic_s":"http://02./mobile/0512/0512070344_7f0366d60dea69d79c1f0432600b5f20_4_mwpm_0303.jpg","thumbnail_pic_s02":"http://02./mobile/0512/0512070344_7f0366d60dea69d79c1f0432600b5f20_2_mwpm_0303.jpg","thumbnail_pic_s03":"http://02./mobile/0512/0512070344_7f0366d60dea69d79c1f0432600b5f20_3_mwpm_0303.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":"-05-12 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06:49","category":"头条","author_name":"解放网","url":"/mobile/180512064903130.html","thumbnail_pic_s":"http://05./mobile/0512/0512064903_6a2e203b71d2710aded08d300ab29eeb_1_mwpm_0303.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":"-05-12 06:46","category":"头条","author_name":"网易越娱乐","url":"/mobile/180512064621690.html","thumbnail_pic_s":"http://04./mobile/0512/0512064621_bab229c7b39e6fa7e59dd27703ddfb38_2_mwpm_0303.jpg","thumbnail_pic_s02":"http://04./mobile/0512/0512064621_bab229c7b39e6fa7e59dd27703ddfb38_3_mwpm_0303.jpg","thumbnail_pic_s03":"http://04./mobile/0512/0512064621_bab229c7b39e6fa7e59dd27703ddfb38_1_mwpm_0303.jpg"},{"uniquekey":"526a4c110dedc726aa4e53afbcbea23d","title":"美国重新制裁伊朗 德国经济界担忧遭连累","date":"-05-12 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06:19","category":"头条","author_name":"人民网","url":"/mobile/180512061919917.html","thumbnail_pic_s":"http://04./mobile/0512/0512061919_eae4ad26c428cc7f961a1d6cf6e4264e_2_mwpm_0303.jpg","thumbnail_pic_s02":"http://04./mobile/0512/0512061919_eae4ad26c428cc7f961a1d6cf6e4264e_7_mwpm_0303.jpg","thumbnail_pic_s03":"http://04./mobile/0512/0512061919_eae4ad26c428cc7f961a1d6cf6e4264e_4_mwpm_0303.jpg"},{"uniquekey":"fa422c905b7767276acd999a9439b43c","title":"新闻早餐：打捞人员发现疑似杀空姐嫌犯尸体 将做DNA鉴定","date":"-05-12 06:15","category":"头条","author_name":"新闻早餐","url":"/mobile/180512061559294.html","thumbnail_pic_s":"http://02./mobile/0512/0512_418566db5b32e600bc27d0bc8cb0a6a6_cover_mwpm_0303.jpg","thumbnail_pic_s02":"http://02./mobile/0512/0512_8d766fd5086f98ec8741ed44505ce35c_cover_mwpm_0303.jpg","thumbnail_pic_s03":"http://02./mobile/0512/0512_509df6c0c45109a6989bc86c663d02cd_cover_mwpm_0303.jpg"},{"uniquekey":"92ee0d2a31867a8f215b0517d99a9409","title":"难忘救援经历 回忆激励前行 ","date":"-05-12 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05:07","category":"头条","author_name":"光明网","url":"/mobile/180512050734360.html","thumbnail_pic_s":"http://09./mobile/0512/0512050734_de8eae16975f2ddf8223b7c549096c70_3_mwpm_0303.jpg","thumbnail_pic_s02":"http://09./mobile/0512/0512050734_de8eae16975f2ddf8223b7c549096c70_1_mwpm_0303.jpg","thumbnail_pic_s03":"http://09./mobile/0512/0512050734_de8eae16975f2ddf8223b7c549096c70_2_mwpm_0303.jpg"},{"uniquekey":"2f2995abb898f94aeacecd6537013404","title":"生活中诱发痔疮的五个原因不可忽略, 痔疮的治疗方法","date":"-05-12 04:56","category":"头条","author_name":"凤凰网","url":"/mobile/180512045657878.html","thumbnail_pic_s":"http://02./mobile/0512/0512045657_15014004f9669c5aee78579be692dd66_1_mwpm_0303.jpg","thumbnail_pic_s02":"http://02./mobile/0512/0512045657_15014004f9669c5aee78579be692dd66_2_mwpm_0303.jpg"}]*/ private 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 : -05-12 07:25 * category : 头条 * author_name : 大国军情 * url : /mobile/180512072544020.html * thumbnail_pic_s : http://04./mobile/0512/0512_fe1bf1b6ec00098f9455c84dc81e6763_cover_mwpm_0303.jpg * thumbnail_pic_s02 : http://04./mobile/0512/0512_3f636fca330f2311583896aed3185196_cover_mwpm_0303.jpg * thumbnail_pic_s03 : http://04./mobile/0512/0512_793fab03dadcd417bf2d8e5e1e48a0f5_cover_mwpm_0303.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; }}}}