完善topiclist状态保存

Author: GcsSloop

diycode-app/src/main/java/com/gcssloop/diycode/activity/MainActivity.java

@@ -46,6 +46,7 @@
 import com.gcssloop.diycode.fragment.SitesListFragment;
 import com.gcssloop.diycode.fragment.TextFragment;
 import com.gcssloop.diycode.fragment.TopicListFragment;
+import com.gcssloop.diycode.utils.Config;
 import com.gcssloop.diycode.utils.DataCache;
 import com.gcssloop.diycode_sdk.api.login.event.LogoutEvent;
 import com.gcssloop.diycode_sdk.api.user.bean.User;
@@ -59,7 +60,9 @@
 
 public class MainActivity extends BaseActivity
         implements NavigationView.OnNavigationItemSelectedListener {
-    DataCache mCache;
+    private DataCache mCache;
+    private Config mConfig;
+    private int mCurrentPosition = -1;
 
     @Override
     public int getLayoutId() {
@@ -70,6 +73,7 @@ public int getLayoutId() {
     public void initViews(ViewHolder holder, View root) {
         EventBus.getDefault().register(this);
         mCache = new DataCache(this);
+        mConfig = Config.getSingleInstance();
         initMenu(holder);
         initViewPager(holder);
     }
@@ -109,6 +113,27 @@ public CharSequence getPageTitle(int position) {
                 return types[position];
             }
         });
+
+        mViewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
+            @Override
+            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
+
+            }
+
+            @Override
+            public void onPageSelected(int position) {
+                mCurrentPosition = position;
+            }
+
+            @Override
+            public void onPageScrollStateChanged(int state) {
+
+            }
+        });
+
+        int lastPosition = mConfig.getMainViewPagerPosition();
+        mViewPager.setCurrentItem(lastPosition);
+
         mTabLayout.setupWithViewPager(mViewPager);
     }
 
@@ -282,5 +307,6 @@ public boolean onNavigationItemSelected(MenuItem item) {
     protected void onDestroy() {
         super.onDestroy();
         EventBus.getDefault().unregister(this);
+        mConfig.saveMainViewPagerPosition(mCurrentPosition);
     }
 }

diycode-app/src/main/java/com/gcssloop/diycode/base/recyclerview/GcsAdapter.java

@@ -30,6 +30,8 @@
 import android.view.View;
 import android.view.ViewGroup;
 
+import com.gcssloop.diycode_sdk.log.Logger;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -77,7 +79,16 @@ public int getItemCount() {
     }
 
     public void addDatas(List<T> datas) {
-        this.mDatas.addAll(datas);
+        // 消除重复
+        Logger.e("清除重复数据");
+        for (T data : datas){
+            if (!mDatas.contains(data)){
+                mDatas.add(data);
+            } else {
+                Logger.i("过滤掉一条重复数据");
+            }
+        }
+        // this.mDatas.addAll(datas);
         notifyDataSetChanged();
     }
 

diycode-app/src/main/java/com/gcssloop/diycode/fragment/TopicListFragment.java

@@ -135,6 +135,8 @@ private void initData() {
         mRefreshLayout.setEnabled(true);
         List<Topic> topics = mDataCache.getTopicsList();
         if (null != topics && topics.size() > 0) {
+            // 缓存模式，取出上一次的pageIndex
+            pageIndex = mConfig.getTopicListPageIndex();
             mAdapter.addDatas(topics);
             mFooter.setText(FOOTER_NORMAL);
             if (isFirstLaunch) {
@@ -284,6 +286,7 @@ public void onDestroyView() {
         // 保存
         int lastScrollY = mScrollView.getScrollY();
         mConfig.saveTopicListScroll(lastScrollY);
+        mConfig.saveTopicListPageIndex(pageIndex);
         super.onDestroyView();
     }
 }

diycode-app/src/main/java/com/gcssloop/diycode/utils/Config.java

@@ -94,17 +94,38 @@ public Boolean isUseInsideBrowser() {
     }
 
 
-    //--- 状态 -----------------------------------------------------------------------------------
+    //--- 首页状态 -------------------------------------------------------------------------------
+
+    private String Key_MainViewPager_Position = "Key_MainViewPager_Position";
+
+    public void saveMainViewPagerPosition(Integer position) {
+        mLruCache.put(Key_MainViewPager_Position, position);
+    }
+
+    public Integer getMainViewPagerPosition() {
+        return getData(Key_MainViewPager_Position, 0);
+    }
+
+    //--- Topic状态 ------------------------------------------------------------------------------
 
     private String Key_TopicList_LastScroll = "Key_TopicList_LastScroll";
 
-    public void saveTopicListScroll(Integer scrollY) {
-        mLruCache.put(Key_TopicList_LastScroll, scrollY);
-        mDiskCache.put(Key_TopicList_LastScroll, scrollY);
+    public void saveTopicListScroll(Integer lastScrollY) {
+        saveData(Key_TopicList_LastScroll, lastScrollY);
     }
 
     public Integer getTopicLastScroll() {
         return getData(Key_TopicList_LastScroll, 0);
     }
 
+    private String Key_TopicList_PageIndex = "Key_TopicList_PageIndex";
+
+    public void saveTopicListPageIndex(Integer pageIndex){
+        saveData(Key_TopicList_PageIndex, pageIndex);
+    }
+
+    public Integer getTopicListPageIndex(){
+        return getData(Key_TopicList_PageIndex, 0);
+    }
+
 }

diycode-sdk/src/main/java/com/gcssloop/diycode_sdk/api/topic/bean/Topic.java

@@ -157,4 +157,16 @@ public void setAbilities(Abilities abilities) {
     public Abilities getAbilities() {
         return this.abilities;
     }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof Topic)) {
+            return false;
+        }
+        Topic temp = (Topic) obj;
+        if (temp.getId() == getId()) {
+            return true;
+        }
+        return false;
+    }
 }