hzuapps#6 hzuapps#15 第六次实验

AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903230/Net1414080903230_UserFragment.java

@@ -1,23 +1,108 @@
 package edu.hzuapps.androidlabs.homework.net1414080903230;
 
 import android.os.Bundle;
+import android.os.Handler;
 import android.support.v4.app.Fragment;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.*;
+import android.os.Environment;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
 
 
-/**
- * A simple {@link Fragment} subclass.
- * Activities that contain this fragment must implement the
- * {@link Net1414080903230_UserFragment.OnFragmentInteractionListener} interface
- * to handle interaction events.
- * Use the {@link Net1414080903230_UserFragment#newInstance} factory method to
- * create an instance of this fragment.
- */
 public class Net1414080903230_UserFragment extends Fragment {
+    TextView text;
+    private Handler handler=null;
+    private TextView textView=null;
+    private String da="";
+
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.fragment_net1414080903230__user, container, false);
+        handler=new Handler();
+
+        Button button = (Button) view.findViewById(R.id.button2);
+        text=(TextView) view.findViewById(R.id.user_content);
+        textView = (TextView) view.findViewById(R.id.user_content);
+        button.setOnClickListener(new submitOnClieckListener());
+        /*
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                //new Thread(new GetData()).start();
+                new Thread(new Runnable() {
+                    public void run() {
+
+                        try {
+                            Document doc = Jsoup.connect("https://github.com/shezhiming/android-labs-2017/blob/master/AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903230/data.xml").get();
+                            int i = 0;
+                            Elements data = doc.select("#LC"+i);
+                            while(!data.isEmpty()){
+                                da += data.text();
+                                i++;
+                                data = doc.select("#LC"+i);
+                            }
+                            textView.setText(da);
+                        }catch(IOException e){
+                            System.out.println("in procedure, catch ArithmeticException: " + e);
+                        }
+                        handler.post(runnableUi);
+                    }
+                }).start();
+
+            }
+        });
+        */
         return view;
     }
+
+    class submitOnClieckListener implements View.OnClickListener {
+        @Override
+        public void onClick(View v) {
+//本地机器部署为服务器，从本地下载a.txt文件内容在textView上显示
+            new Thread(){
+                public void run(){
+                    try {
+
+                        Document doc = Jsoup.connect("https://github.com/shezhiming/android-labs-2017/blob/master/AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903230/data.xml").get();
+                        int i = 1;
+                        Elements data = doc.select("#LC"+i);
+                        while(!data.isEmpty()){
+                            da += data.text();
+                            i++;
+                            data = doc.select("#LC"+i);
+                        }
+
+                        //Log.d("test",da);
+                        //textView.setText(da);
+                    }catch(IOException e){
+                        System.out.println("in procedure, catch ArithmeticException: " + e);
+                    }
+
+                    handler.post(runnableUi);
+                }
+            }.start();
+        }
+
+    }
+
+
+
+    Runnable   runnableUi=new  Runnable(){
+        @Override
+        public void run() {
+            //更新界面
+            textView.setText(da);
+
+        }
+
+    };
 }

AndroidLabs/app/src/main/res/layout/fragment_net1414080903230__user.xml

@@ -2,12 +2,20 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:gravity="center"
-    android:background="@color/aquamarine"
-    android:orientation="vertical">
+    android:background="@color/mintcream"
+    android:orientation="vertical"
+    android:id="@+id/user">
+
     <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text=""
+        android:textSize="30sp"
+        android:id="@+id/user_content" />
+
+    <Button
+        android:text="获取信息"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="第一个页面"
-        android:textSize="22sp"/>
+        android:id="@+id/button2" />
 </LinearLayout>