From 8c31cfc9834b881ccd1576c58dbf4c633950b7c5 Mon Sep 17 00:00:00 2001
From: llliupeiwen <1349771540@qq.com>
Date: Sun, 13 Nov 2022 16:22:54 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E6=B7=BB=E5=8A=A0=E9=95=BF=E6=8C=89?=
 =?UTF-8?q?=E5=88=A0=E9=99=A4=E5=A5=BD=E5=8F=8B=E5=8A=9F=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .idea/deploymentTargetDropDown.xml            |  17 ---
 .../example/teambag/ContactListFragment.java  | 116 ++++++++++++++++++
 app/src/main/res/menu/sample_menu.xml         |  24 ++++
 3 files changed, 140 insertions(+), 17 deletions(-)
 delete mode 100644 .idea/deploymentTargetDropDown.xml
 create mode 100644 app/src/main/res/menu/sample_menu.xml

diff --git a/.idea/deploymentTargetDropDown.xml b/.idea/deploymentTargetDropDown.xml
deleted file mode 100644
index ee6cd62..0000000
--- a/.idea/deploymentTargetDropDown.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="deploymentTargetDropDown">
-    <runningDeviceTargetSelectedWithDropDown>
-      <Target>
-        <type value="RUNNING_DEVICE_TARGET" />
-        <deviceKey>
-          <Key>
-            <type value="SERIAL_NUMBER" />
-            <value value="STS0219524008890" />
-          </Key>
-        </deviceKey>
-      </Target>
-    </runningDeviceTargetSelectedWithDropDown>
-    <timeTargetWasSelectedWithDropDown value="2022-11-11T08:33:48.357677900Z" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/app/src/main/java/com/example/teambag/ContactListFragment.java b/app/src/main/java/com/example/teambag/ContactListFragment.java
index bb0bc84..a7c3963 100644
--- a/app/src/main/java/com/example/teambag/ContactListFragment.java
+++ b/app/src/main/java/com/example/teambag/ContactListFragment.java
@@ -8,11 +8,13 @@ import android.os.Handler;
 import android.os.Message;
 import android.util.Log;
 import android.view.LayoutInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.ImageView;
 import android.widget.ListView;
+import android.widget.PopupMenu;
 import android.widget.TextView;
 
 import com.example.teambag.adapter.SortAdapter;
@@ -43,6 +45,7 @@ public class ContactListFragment extends Fragment {
     String[] imgUrl;
     String[] name;
     String[] friend;
+    String hisNumber;
     private String number; //微信号，通过微信号去查找通讯录
     /* 声明组件*/
     private ListView listView;
@@ -126,9 +129,53 @@ public class ContactListFragment extends Fragment {
         /*创建自定义适配器，并设置给listview*/
         SortAdapter adapter = new SortAdapter(getActivity().getApplicationContext(), list, list2, data);
         listView.setAdapter(adapter);
+        listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
+            @Override
+            public boolean onItemLongClick(AdapterView<?> adapterView, View view, int i, long l) {
+                if(i<4)
+                    return false;
+                hisNumber=list.get(i).getNumber();
+                PopupMenu popupMenu = new PopupMenu(getActivity().getApplicationContext(), view);
+                popupMenu.getMenuInflater().inflate(R.menu.sample_menu,popupMenu.getMenu());
+                popupMenu.show();
+                popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
+                    @Override
+                    public boolean onMenuItemClick(MenuItem menuItem) {
+                        switch (menuItem.getItemId()){
+                            case R.id.showFriend:
+                                break;
+                            case R.id.deleteFriend:
+                                Thread thread2 = new Thread(new Runnable() {
+                                    @Override
+                                    public void run() {
+                                        httpUrlConnPostToDelete(Main.number,hisNumber,i);
+                                    }
+                                });
+                                thread2.start();
+                                /*等待线性处理完成*/
+                                try {
+                                    thread2.join();
+                                } catch (InterruptedException e) {
+                                    e.printStackTrace();
+                                }
+                                adapter.notifyDataSetChanged();
+                                break;
+                            case R.id.chatFriend:
+                                break;
+                            case R.id.blockFriend:
+                                break;
+                        }
+                        return true;
+                    }
+                });
+                return true;
+            }
+        });
         listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
             @Override
             public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
+                if(i<4)
+                    return;
                 String his_name=list.get(i).getName();
                 Intent intent = new Intent(getActivity(),ChatRoom.class);
                 for(int k =0;k<data.size();k++) {
@@ -146,6 +193,75 @@ public class ContactListFragment extends Fragment {
         });
     }
 
+    public void httpUrlConnPostToDelete(String number, String friend,int i){
+        HttpURLConnection urlConnection = null;
+        URL url;
+        try {
+            // 请求的URL地地址
+            url = new URL(
+                    "http://192.168.31.102:8808/AndroidServer_war_exploded/DeleteFriend");
+            urlConnection = (HttpURLConnection) url.openConnection();// 打开http连接
+            urlConnection.setConnectTimeout(3000);// 连接的超时时间
+            urlConnection.setUseCaches(false);// 不使用缓存
+            // urlConnection.setFollowRedirects(false);是static函数，作用于所有的URLConnection对象。
+            urlConnection.setInstanceFollowRedirects(true);// 是成员函数，仅作用于当前函数,设置这个连接是否可以被重定向
+            urlConnection.setReadTimeout(3000);// 响应的超时时间
+            urlConnection.setDoInput(true);// 设置这个连接是否可以写入数据
+            urlConnection.setDoOutput(true);// 设置这个连接是否可以输出数据
+            urlConnection.setRequestMethod("POST");// 设置请求的方式
+            urlConnection.setRequestProperty("Content-Type",
+                    "application/json;charset=UTF-8");// 设置消息的类型
+            urlConnection.connect();// 连接，从上述至此的配置必须要在connect之前完成，实际上它只是建立了一个与服务器的TCP连接
+            JSONObject json = new JSONObject();// 创建json对象
+            json.put("number", URLEncoder.encode(number, "UTF-8"));// 把数据put进json对象中
+            json.put("friend",URLEncoder.encode(friend, "UTF-8"));
+            String jsonstr = json.toString();// 把JSON对象按JSON的编码格式转换为字符串
+            // ------------字符流写入数据------------
+            OutputStream out = urlConnection.getOutputStream();// 输出流，用来发送请求，http请求实际上直到这个函数里面才正式发送出去
+            BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(out));// 创建字符流对象并用高效缓冲流包装它，便获得最高的效率,发送的是字符串推荐用字符流，其它数据就用字节流
+            bw.write(jsonstr);// 把json字符串写入缓冲区中
+            bw.flush();// 刷新缓冲区，把数据发送出去，这步很重要
+            out.close();
+            bw.close();// 使用完关闭
+            Log.i("aa", urlConnection.getResponseCode()+"");
+            //以下判斷是否訪問成功，如果返回的状态码是200则说明访问成功
+            if (urlConnection.getResponseCode() == HttpURLConnection.HTTP_OK) {// 得到服务端的返回码是否连接成功
+                // ------------字符流读取服务端返回的数据------------
+                InputStream in = urlConnection.getInputStream();
+                BufferedReader br = new BufferedReader(
+                        new InputStreamReader(in));
+                String str = null;
+                StringBuffer buffer = new StringBuffer();
+                while ((str = br.readLine()) != null) {// BufferedReader特有功能，一次读取一行数据
+                    System.out.println("测试：" + str);
+                    buffer.append(str);
+                }
+                in.close();
+                br.close();
+                JSONObject rjson = new JSONObject(buffer.toString());
+                boolean result = rjson.getBoolean("j1");// 从rjson对象中得到key值为"json"的数据，这里服务端返回的是一个boolean类型的数据
+                //如果服务器端返回的是true，则说明注册成功，否则注册失败
+                if (result) {// 判断结果是否正确
+                    //在Android中http请求，必须放到线程中去作请求，但是在线程中不可以直接修改UI，只能通过hander机制来完成对UI的操作
+                    myhander.sendEmptyMessage(1);
+                    list.remove(i);
+                    Log.i("用户：", "删除好友成功");
+                } else {
+                    myhander.sendEmptyMessage(2);
+                    Log.i("用户：", "删除好友失败");
+                }
+            } else {
+                myhander.sendEmptyMessage(2);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            Log.i("aa", e.toString());
+            myhander.sendEmptyMessage(2);
+        } finally {
+            urlConnection.disconnect();// 使用完关闭TCP连接，释放资源
+        }
+    }
+
     // 1.编写一个发送请求的方法
     // 发送请求的主要方法
     public void httpUrlConnPost(String number) {
diff --git a/app/src/main/res/menu/sample_menu.xml b/app/src/main/res/menu/sample_menu.xml
new file mode 100644
index 0000000..16faa1e
--- /dev/null
+++ b/app/src/main/res/menu/sample_menu.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/showFriend"
+        android:icon="@mipmap/ic_launcher"
+        android:title="查看好友"/>
+
+    <item
+        android:id="@+id/deleteFriend"
+        android:icon="@mipmap/ic_launcher"
+        android:title="删除好友"/>
+
+    <item
+        android:id="@+id/chatFriend"
+        android:icon="@mipmap/ic_launcher"
+        android:title="聊天"/>
+
+    <item
+        android:id="@+id/blockFriend"
+        android:icon="@mipmap/ic_launcher"
+        android:title="拉黑"/>
+
+</menu>
\ No newline at end of file