Integrated with GreenDao.

hele-jeremy · Oct 21, 2016 · 473137a · 473137a
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diff --git a/README.md b/README.md
@@ -53,6 +53,21 @@ http://www.cnblogs.com/tianzhijiexian/p/4297664.html
 ## 添加好友 ##
 发送好友申请-->好友同意或者拒绝-->好友同意则写入数据库
 
+### GreenDAO ###
+[Github](https://github.com/greenrobot/greenDAO)
+
+[官网](http://greenrobot.org/greendao/)
+
+[AppBrain](http://www.appbrain.com/stats/libraries/details/greendao/greendao)
+
+[使用文档](http://greenrobot.org/greendao/documentation/)
+
+[中文使用文档](http://www.jianshu.com/p/2f7f48563141)
+
+1. 保存联系人
+2. 查询联系人
+3. 删除联系人
+
 ### 隐藏软键盘 ###
 
 # 聊天界面 #

diff --git a/app/build.gradle b/app/build.gradle
@@ -1,5 +1,6 @@
 apply plugin: 'com.android.application'
 apply plugin: 'android-apt'
+apply plugin: 'org.greenrobot.greendao'
 
 
 android {
@@ -29,4 +30,5 @@ dependencies {
     compile 'com.roughike:bottom-bar:2.0.2'
     compile 'com.android.support:cardview-v7:24.2.0'
     compile 'org.greenrobot:eventbus:3.0.0'
+    compile 'org.greenrobot:greendao:3.2.0'
 }
diff --git a/app/src/androidTest/java/com/itheima/leon/qqdemo/ExampleInstrumentedTest.java b/app/src/androidTest/java/com/itheima/leon/qqdemo/ExampleInstrumentedTest.java
diff --git a/app/src/main/java/com/itheima/leon/qqdemo/app/Constant.java b/app/src/main/java/com/itheima/leon/qqdemo/app/Constant.java
@@ -21,4 +21,8 @@ public static class SpKey {
     public static class ExtraKey {
         public static final String USER_NAME = "user_name";
     }
+
+    public static class Database {
+        public static final String DATABASE_NAME = "qq-db";
+    }
 }
diff --git a/app/src/main/java/com/itheima/leon/qqdemo/app/QQDemoApplication.java b/app/src/main/java/com/itheima/leon/qqdemo/app/QQDemoApplication.java
@@ -19,6 +19,7 @@
 import com.itheima.leon.qqdemo.BuildConfig;
 import com.itheima.leon.qqdemo.R;
 import com.itheima.leon.qqdemo.adpater.EMMessageListenerAdapter;
+import com.itheima.leon.qqdemo.database.DatabaseManager;
 import com.itheima.leon.qqdemo.ui.activity.ChatActivity;
 
 import java.util.Iterator;
@@ -44,10 +45,12 @@ public void onCreate() {
         initHuanXin();
         initBmob();
         initSoundPool();
-
+        DatabaseManager.getInstance().init(this);
         EMClient.getInstance().chatManager().addMessageListener(mEMMessageListenerAdapter);
     }
 
+
+
     private void initSoundPool() {
         mSoundPool = new SoundPool(2, AudioManager.STREAM_MUSIC, 0);
         mDuanSound = mSoundPool.load(this, R.raw.duan, 1);

diff --git a/app/src/main/java/com/itheima/leon/qqdemo/database/Contact.java b/app/src/main/java/com/itheima/leon/qqdemo/database/Contact.java
@@ -0,0 +1,46 @@
+package com.itheima.leon.qqdemo.database;
+
+import org.greenrobot.greendao.annotation.Entity;
+import org.greenrobot.greendao.annotation.Id;
+import org.greenrobot.greendao.annotation.Generated;
+
+/**
+ * 创建者:   Leon
+ * 创建时间:  2016/10/21 17:47
+ * 描述：    TODO
+ */
+@Entity
+public class Contact {
+    public static final String TAG = "Contact";
+    @Id(autoincrement = true)
+    private Long id;
+
+    private String username;
+
+    @Generated(hash = 1642963851)
+    public Contact(Long id, String username) {
+        this.id = id;
+        this.username = username;
+    }
+
+    @Generated(hash = 672515148)
+    public Contact() {
+    }
+
+    public Long getId() {
+        return this.id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getUsername() {
+        return this.username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+}
diff --git a/app/src/main/java/com/itheima/leon/qqdemo/database/DatabaseManager.java b/app/src/main/java/com/itheima/leon/qqdemo/database/DatabaseManager.java
@@ -0,0 +1,61 @@
+package com.itheima.leon.qqdemo.database;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+
+import com.itheima.leon.qqdemo.app.Constant;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 创建者:   Leon
+ * 创建时间:  2016/10/21 18:57
+ * 描述：    TODO
+ */
+public class DatabaseManager {
+    public static final String TAG = "DatabaseManager";
+
+    private static DatabaseManager sInstance;
+    private DaoSession mDaoSession;
+
+
+    public static DatabaseManager getInstance() {
+        if (sInstance == null) {
+            synchronized (DatabaseManager.class) {
+                if (sInstance == null) {
+                    sInstance = new DatabaseManager();
+                }
+            }
+        }
+        return sInstance;
+    }
+
+    public void init(Context context) {
+        DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(context, Constant.Database.DATABASE_NAME, null);
+        SQLiteDatabase writableDatabase = devOpenHelper.getWritableDatabase();
+        DaoMaster daoMaster = new DaoMaster(writableDatabase);
+        mDaoSession = daoMaster.newSession();
+    }
+
+    public void saveContact(String userName) {
+        Contact contact = new Contact();
+        contact.setUsername(userName);
+        mDaoSession.getContactDao().save(contact);
+    }
+
+    public List<String> queryAllContacts() {
+        List<Contact> list = mDaoSession.getContactDao().queryBuilder().list();
+        ArrayList<String> contacts = new ArrayList<String>();
+        for (int i = 0; i < list.size(); i++) {
+            String contact = list.get(i).getUsername();
+            contacts.add(contact);
+        }
+        return contacts;
+    }
+
+    public void deleteAllContacts() {
+        ContactDao contactDao = mDaoSession.getContactDao();
+        contactDao.deleteAll();
+    }
+}
diff --git a/app/src/main/java/com/itheima/leon/qqdemo/model/AddFriendItem.java b/app/src/main/java/com/itheima/leon/qqdemo/model/AddFriendItem.java
@@ -12,7 +12,7 @@ public class AddFriendItem {
 
     public String timestamp;
 
-    public String isAdded;
+    public boolean isAdded;
 
 
 }
diff --git a/app/src/main/java/com/itheima/leon/qqdemo/presenter/impl/AddFriendPresenterImpl.java b/app/src/main/java/com/itheima/leon/qqdemo/presenter/impl/AddFriendPresenterImpl.java
@@ -4,6 +4,7 @@
 
 import com.hyphenate.chat.EMClient;
 import com.hyphenate.exceptions.HyphenateException;
+import com.itheima.leon.qqdemo.database.DatabaseManager;
 import com.itheima.leon.qqdemo.event.AddFriendEvent;
 import com.itheima.leon.qqdemo.model.AddFriendItem;
 import com.itheima.leon.qqdemo.model.User;
@@ -38,30 +39,53 @@ public AddFriendPresenterImpl(AddFriendView addFriendView) {
     }
 
     @Override
-    public void searchFriend(String keyword) {
+    public void searchFriend(final String keyword) {
         Log.d(TAG, "searchFriend: " + keyword);
         mAddFriendView.onStartSearch();
-        //search friend
-        //注:模糊查询只对付费用户开放，付费后可直接使用。
-        BmobQuery<User> query = new BmobQuery<User>();
-        query.addWhereContains("username", keyword).addWhereNotEqualTo("username", EMClient.getInstance().getCurrentUser());
-        query.findObjects(new FindListener<User>() {
+        ThreadUtils.runOnBackgroundThread(new Runnable() {
             @Override
-            public void done(List<User> list, BmobException e) {
-                if (e == null && list.size() > 0) {
-                    List<AddFriendItem> listItems = new ArrayList<AddFriendItem>();
-                    for (int i = 0; i <list.size(); i++) {
-                        AddFriendItem item = new AddFriendItem();
-                        item.timestamp = list.get(i).getCreatedAt();
-                        item.userName = list.get(i).getUsername();
-                        listItems.add(item);
+            public void run() {
+                //search friend
+                //注:模糊查询只对付费用户开放，付费后可直接使用。
+                BmobQuery<User> query = new BmobQuery<User>();
+                query.addWhereContains("username", keyword).addWhereNotEqualTo("username", EMClient.getInstance().getCurrentUser());
+                query.findObjects(new FindListener<User>() {
+                    @Override
+                    public void done(List<User> list, BmobException e) {
+                        Log.d(TAG, "done: " + Thread.currentThread().getName());
+                        processResult(list, e);
                     }
+                });
+            }
+        });
+
+    }
+
+    private void processResult(List<User> list, BmobException e) {
+        if (e == null && list.size() > 0) {
+            final List<AddFriendItem> listItems = new ArrayList<AddFriendItem>();
+            List<String> contacts = DatabaseManager.getInstance().queryAllContacts();
+            for (int i = 0; i <list.size(); i++) {
+                AddFriendItem item = new AddFriendItem();
+                item.timestamp = list.get(i).getCreatedAt();
+                item.userName = list.get(i).getUsername();
+                item.isAdded = contacts.contains(item.userName);
+                listItems.add(item);
+            }
+            ThreadUtils.runOnUiThread(new Runnable() {
+                @Override
+                public void run() {
                     mAddFriendView.onSearchSuccess(listItems);
-                } else {
+                }
+            });
+        } else {
+            ThreadUtils.runOnUiThread(new Runnable() {
+                @Override
+                public void run() {
                     mAddFriendView.onSearchFailed();
                 }
-            }
-        });
+            });
+        }
     }
 
 

diff --git a/app/src/main/java/com/itheima/leon/qqdemo/presenter/impl/ContactPresenterImpl.java b/app/src/main/java/com/itheima/leon/qqdemo/presenter/impl/ContactPresenterImpl.java
@@ -4,6 +4,7 @@
 
 import com.hyphenate.chat.EMClient;
 import com.hyphenate.exceptions.HyphenateException;
+import com.itheima.leon.qqdemo.database.DatabaseManager;
 import com.itheima.leon.qqdemo.model.ContactItem;
 import com.itheima.leon.qqdemo.presenter.ContactPresenter;
 import com.itheima.leon.qqdemo.utils.ThreadUtils;
@@ -98,6 +99,7 @@ public void run() {
     private void startGetContactList() throws HyphenateException {
         mContactItems = new ArrayList<ContactItem>();
         List<String> contacts = EMClient.getInstance().contactManager().getAllContactsFromServer();
+        DatabaseManager.getInstance().deleteAllContacts();
         if (!contacts.isEmpty()) {
             for (int i = 0; i < contacts.size(); i++) {
                 ContactItem item = new ContactItem();
@@ -106,10 +108,15 @@ private void startGetContactList() throws HyphenateException {
                     item.showSection = false;
                 }
                 mContactItems.add(item);
+                saveContactToDatabase(item.userName);
             }
         }
     }
 
+    private void saveContactToDatabase(String userName) {
+        DatabaseManager.getInstance().saveContact(userName);
+    }
+
     private boolean itemInSameGroup(int i, ContactItem item) {
         return i > 0 && (item.getFirstLetter() == mContactItems.get(i - 1).getFirstLetter());
     }

diff --git a/app/src/main/java/com/itheima/leon/qqdemo/widget/AddFriendItemView.java b/app/src/main/java/com/itheima/leon/qqdemo/widget/AddFriendItemView.java
@@ -49,6 +49,13 @@ private void init() {
     public void bindView(AddFriendItem addFriendItem) {
         mUserName.setText(addFriendItem.userName);
         mTimestamp.setText(addFriendItem.timestamp);
+        if (addFriendItem.isAdded) {
+            mAdd.setText(getContext().getString(R.string.added));
+            mAdd.setEnabled(false);
+        } else {
+            mAdd.setText(getContext().getString(R.string.add));
+            mAdd.setEnabled(true);
+        }
     }
 
     @OnClick(R.id.add)

diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -53,4 +53,5 @@
     <string name="max_unread_count">99+</string>
     <string name="receive_new_message">收到新消息</string>
     <string name="user_login_another_device">用户在其他设备登录</string>
+    <string name="added">已添加</string>
 </resources>
diff --git a/build.gradle b/build.gradle
@@ -8,7 +8,7 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:2.2.0'
         classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
-
+        classpath 'org.greenrobot:greendao-gradle-plugin:3.2.0'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }