社区版块右上角按钮完善

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Fragment/CommunityFragment.java

@@ -1,11 +1,17 @@
 package com.example.leudaemialikeme.Fragment;
 
+import android.app.ActionBar;
+import android.content.Intent;
 import android.os.Bundle;
 import android.util.DisplayMetrics;
 import android.view.LayoutInflater;
+import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Button;
 import android.widget.HorizontalScrollView;
+import android.widget.ImageButton;
+import android.widget.PopupWindow;
 import android.widget.RadioButton;
 import android.widget.RadioGroup;
 
@@ -13,6 +19,9 @@ import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
 import androidx.viewpager.widget.ViewPager;
 
+import com.example.leudaemialikeme.Activity.GoAnswerActivity;
+import com.example.leudaemialikeme.Activity.SendInvitationActivity;
+import com.example.leudaemialikeme.Activity.SendQuestionActivity;
 import com.example.leudaemialikeme.Adapter.InvitationPageFragmentAdapter;
 import com.example.leudaemialikeme.R;
 
@@ -24,6 +33,11 @@ public class CommunityFragment extends Fragment implements ViewPager.OnPageChang
     private HorizontalScrollView hvChannel=null; //单选按钮组可滚动动
     private String[] channelList = {"关注","全部","经验","扫雷","康复","科普","问答"}; //默认的内导航栏目
     private InvitationPageFragmentAdapter adapter; //viewPager 的适配器
+    private PopupWindow popupWindow;
+    private ImageButton tab_add;
+    private Button bar_send_invitation;
+    private Button bar_send_question;
+    private Button bar_answer;
 
     public CommunityFragment() {
         // Required empty public constructor
@@ -34,6 +48,7 @@ public class CommunityFragment extends Fragment implements ViewPager.OnPageChang
                              Bundle savedInstanceState) {
         if(view==null){
             view=inflater.inflate(R.layout.fragment_community, container, false);
+            tab_add = (ImageButton)view.findViewById(R.id.tab_add);
             viewPager=(ViewPager)view.findViewById(R.id.vpNewsList);
             initViewPager(); //设置 ViewPager
 
@@ -49,6 +64,53 @@ public class CommunityFragment extends Fragment implements ViewPager.OnPageChang
                         }
                     }
             );
+            tab_add.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    //获取自定义菜单的布局文件
+                    View popupWindow_view=getLayoutInflater().inflate(R.layout.community_menu,null,false);
+                    //创建popupWindow实例，设置菜单的宽度和高度
+                    popupWindow = new PopupWindow(popupWindow_view, ActionBar.LayoutParams.WRAP_CONTENT,ActionBar.LayoutParams.WRAP_CONTENT,true);
+                    //设置菜单显示在按钮的下面
+                    popupWindow.showAsDropDown(view.findViewById(R.id.tab_add),0,0);
+                    //单机其它位置隐藏菜单
+                    popupWindow_view.setOnTouchListener(new View.OnTouchListener(){
+                        @Override
+                        public boolean onTouch(View v, MotionEvent event){
+                            //如果菜单存在并且处于显示状态
+                            if (popupWindow!=null&&popupWindow.isShowing()){
+                                popupWindow.dismiss();//关闭菜单
+                                popupWindow=null;
+                            }
+                            return false;
+                        }
+                    });
+                    bar_send_invitation = (Button)popupWindow_view.findViewById(R.id.bar_send_invitation);
+                    bar_send_question = (Button)popupWindow_view.findViewById(R.id.bar_send_question);
+                    bar_answer = (Button)popupWindow_view.findViewById(R.id.bar_answer);
+                    bar_send_invitation.setOnClickListener(new View.OnClickListener() {
+                        @Override
+                        public void onClick(View v) {
+                            Intent intent=new Intent(getActivity(), SendInvitationActivity.class);
+                            startActivity(intent);
+                        }
+                    });
+                    bar_send_question.setOnClickListener(new View.OnClickListener() {
+                        @Override
+                        public void onClick(View v) {
+                            Intent intent=new Intent(getActivity(), SendQuestionActivity.class);
+                            startActivity(intent);
+                        }
+                    });
+                    bar_answer.setOnClickListener(new View.OnClickListener() {
+                        @Override
+                        public void onClick(View v) {
+                            Intent intent=new Intent(getActivity(), GoAnswerActivity.class);
+                            startActivity(intent);
+                        }
+                    });
+                }
+            });
         }
         return view;
     }
@@ -104,4 +166,5 @@ public class CommunityFragment extends Fragment implements ViewPager.OnPageChang
         int len=left+width/2-screenWidth/2;
         hvChannel.smoothScrollTo(len,0);
     }
+
 }

Code/LeudaemiaLikeMe/app/src/main/res/layout/community_menu.xml

@@ -0,0 +1,30 @@
+<?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"
+    android:padding="10dp"
+    android:gravity="right">
+
+
+    <Button
+        android:id="@+id/bar_send_invitation"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="@color/light_grey"
+        android:text="发帖" />
+
+    <Button
+        android:id="@+id/bar_send_question"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="@color/light_grey"
+        android:text="提问" />
+
+    <Button
+        android:id="@+id/bar_answer"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="@color/light_grey"
+        android:text="回答" />
+</LinearLayout>

Code/LeudaemiaLikeMe/app/src/main/res/layout/fragment_community.xml

@@ -42,12 +42,13 @@
             </LinearLayout>
 
             <ImageButton
-                android:id="@+id/imageButton"
+                android:id="@+id/tab_add"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginLeft="10dp"
                 android:background="@color/white"
-                android:src="@mipmap/img_add" />
+                android:src="@mipmap/img_add"
+                />
 
         </LinearLayout>
         <LinearLayout