hzuapps · zengsn · May 9, 2019 · May 7, 2019
diff --git a/students/soft1714080902206/ContentActivity.java b/students/soft1714080902206/ContentActivity.java
@@ -0,0 +1,38 @@
+package com.exampler.mynews;
+
+import android.content.Intent;
+import android.databinding.DataBindingUtil;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+
+import com.exampler.mynews.databinding.ContentActivityBinding;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class ContentActivity extends AppCompatActivity {
+
+    private ContentActivityBinding binding;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        binding = DataBindingUtil.setContentView(this, R.layout.content_activity);
+
+        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy年MM月dd日 HH:mm:ss");// HH:mm:ss
+        Date date = new Date(System.currentTimeMillis());
+        Intent intent = getIntent();
+        String title = intent.getStringExtra("title");
+        String image = intent.getStringExtra("image");
+        String time = simpleDateFormat.format(date);
+        String content = intent.getStringExtra("content");
+
+        News news = new News(title, image, time, content);
+
+        NewsVM newsVM = new NewsVM(news);
+
+        binding.setVm(newsVM);
+
+    }
+}
diff --git a/students/soft1714080902206/MainActivity.java b/students/soft1714080902206/MainActivity.java
diff --git a/students/soft1714080902206/News.java b/students/soft1714080902206/News.java
@@ -0,0 +1,51 @@
+package com.exampler.mynews;
+
+public class News {
+
+    private String title;
+
+    private String imageId;
+
+    private String time;
+
+    private String content;
+
+    public News(String title, String imageId, String time, String content) {
+        this.title = title;
+        this.imageId = imageId;
+        this.time = time;
+        this.content = content;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public String getContent() {
+        return content;
+    }
+
+    public String getImageId() {
+        return imageId;
+    }
+
+    public String getTime() {
+        return time;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public void setImageId(String imageId) {
+        this.imageId = imageId;
+    }
+
+    public void setTime(String time) {
+        this.time = time;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+}
diff --git a/students/soft1714080902206/NewsAdapter.java b/students/soft1714080902206/NewsAdapter.java
@@ -0,0 +1,103 @@
+package com.exampler.mynews;
+
+import android.content.Intent;
+import android.databinding.BindingAdapter;
+import android.databinding.DataBindingUtil;
+import android.databinding.ViewDataBinding;
+import android.support.annotation.NonNull;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+
+import com.bumptech.glide.Glide;
+
+import java.util.List;
+
+public class NewsAdapter extends RecyclerView.Adapter<NewsAdapter.ViewHolder>{
+
+    private List<News> mNewsList;
+
+    public interface OnItemOnClickListener{
+        void onItemLongOnClick(View view, int pos);
+    }
+
+    private OnItemOnClickListener mOnItemOnClickListener;
+
+    public void setOnItemClickListener(OnItemOnClickListener listener) {
+        this.mOnItemOnClickListener = listener;
+    }
+
+
+    static class ViewHolder extends RecyclerView.ViewHolder {
+        ViewDataBinding binding;
+        View newsView;
+
+        public ViewHolder(ViewDataBinding binding) {
+            super(binding.getRoot());
+            newsView = binding.getRoot();
+            this.binding=binding;
+        }
+    }
+
+    public NewsAdapter(List<News> newsList) {
+        mNewsList = newsList;
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, final int Type) {
+        LayoutInflater inflater=LayoutInflater.from(parent.getContext());
+        ViewDataBinding binding= DataBindingUtil.inflate(inflater,R.layout.activity_news,parent,false);
+        final ViewHolder holder = new ViewHolder(binding);
+        holder.newsView.setOnClickListener(new View.OnClickListener(){
+            @Override
+            public void onClick(View v) {
+                int position = holder.getAdapterPosition();
+                News news = mNewsList.get(position);
+                Intent intent = new Intent(v.getContext(), ContentActivity.class);
+                intent.putExtra("title", news.getTitle());
+                intent.putExtra("image", news.getImageId());
+                intent.putExtra("time", news.getTime());
+                intent.putExtra("content", news.getContent());
+                v.getContext().startActivity(intent);
+            }
+        });
+        return holder;
+    }
+
+
+    @Override
+    public void onBindViewHolder(final ViewHolder holder, final int position) {
+        ViewDataBinding binding=holder.binding;
+        NewsVM viewModel=new NewsVM(mNewsList.get(position));
+        binding.setVariable(BR.vm,viewModel);
+        binding.setVariable(BR.adapter,this);
+        //立即重新绑定数据
+        binding.executePendingBindings();
+        holder.newsView.setOnLongClickListener(new View.OnLongClickListener() {
+            @Override
+            public boolean onLongClick(View view) {
+                mOnItemOnClickListener.onItemLongOnClick(holder.newsView, position);
+                return false;
+            }
+        });
+    }
+
+
+    @Override
+    public int getItemCount() {
+        return mNewsList.size();
+    }
+
+    @BindingAdapter("app:uri")
+    public static void setImage(ImageView imageView , String uri){
+        if (uri!=null){
+            Glide.with(imageView.getContext())
+                    .load(uri)
+                    .into(imageView);
+        }
+    }
+
+}
diff --git a/students/soft1714080902206/NewsVM.java b/students/soft1714080902206/NewsVM.java
@@ -0,0 +1,55 @@
+package com.exampler.mynews;
+
+import android.databinding.BaseObservable;
+import android.databinding.Bindable;
+
+public class NewsVM extends BaseObservable {
+
+    private News news;
+
+    public NewsVM(News news) {
+        this.news = news;
+    }
+
+    @Bindable
+    public String getTitle() {
+        return news.getTitle();
+    }
+
+    @Bindable
+    public String getImageId() {
+        return news.getImageId();
+    }
+
+    @Bindable
+    public String getContent() {
+        return news.getContent();
+    }
+
+    @Bindable
+    public String getTime() {
+        return news.getTime();
+    }
+
+    public void setTitle(String title) {
+        news.setTitle(title);
+        notifyPropertyChanged(BR.title);
+    }
+
+    public void setImageId(String imageId) {
+        news.setImageId(imageId);
+        notifyPropertyChanged(BR.imageId);
+    }
+
+    public void setTime(String time) {
+        news.setTime(time);
+        notifyPropertyChanged(BR.time);
+    }
+
+    public void setContent(String content) {
+        news.setContent(content);
+        notifyPropertyChanged(BR.content);
+    }
+
+}
+
diff --git a/students/soft1714080902206/activity_main.xml b/students/soft1714080902206/activity_main.xml
@@ -1,25 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
+<layout xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <Button
-        android:id="@+id/take_photo"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Take Photo" />
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
 
-    <Button
-        android:id="@+id/chosse_from_album"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Choose From Album" />
 
-    <ImageView
-        android:id="@+id/picture"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center_vertical" />
+            <android.support.v4.widget.SwipeRefreshLayout
+                android:id="@+id/swipe_refresh"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent">
 
-</LinearLayout>
+                <android.support.v7.widget.RecyclerView
+                    android:id="@+id/recycle_view"
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent" />
+
+            </android.support.v4.widget.SwipeRefreshLayout>
+
+        </LinearLayout>
+
+</layout>
diff --git a/students/soft1714080902206/activity_news.xml b/students/soft1714080902206/activity_news.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <data>
+        <variable
+            name="vm"
+            type="com.exampler.mynews.NewsVM"/>
+        <variable
+            name="adapter"
+            type="com.exampler.mynews.NewsAdapter"/>
+
+    </data>
+
+    <LinearLayout
+        android:orientation="horizontal"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <ImageView
+            android:id="@+id/image_view"
+            app:uri="@{vm.imageId}"
+            android:scaleType="fitCenter"
+            android:layout_width="100dp"
+            android:layout_height="100dp" />
+
+        <LinearLayout
+            android:orientation="vertical"
+            android:layout_width="match_parent"
+            android:layout_height="100dp">
+            <TextView
+                android:id="@+id/title_text_view"
+                android:text="@{vm.title}"
+                android:layout_width="match_parent"
+                android:layout_height="90dp"
+                android:textSize="22dp"/>
+
+            <TextView
+                android:id="@+id/time_text_view"
+                android:text="@{vm.time}"
+                android:layout_width="match_parent"
+                android:layout_height="10dp"
+                android:gravity="right"
+                android:textSize="8dp"
+                android:textColor="#555"/>
+        </LinearLayout>
+
+    </LinearLayout>
+
+</layout>