性能优化

Author: GcsSloop

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

@@ -26,6 +26,7 @@
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
+import android.support.annotation.Nullable;
 import android.support.v4.util.ArrayMap;
 import android.support.v4.widget.NestedScrollView;
 import android.support.v4.widget.SwipeRefreshLayout;
@@ -97,6 +98,13 @@ public static NewsListFragment newInstance() {
         return fragment;
     }
 
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        mDiycode = Diycode.getSingleInstance();
+        mDataCache = new DataCache(getContext());
+    }
+
     @Override
     protected int getLayoutId() {
         return R.layout.fragment_recycler_refresh;
@@ -116,12 +124,11 @@ private void loadData() {
 
     @Override
     protected void initViews(ViewHolder holder, View root) {
-        mDiycode = Diycode.getSingleInstance();
-        mDataCache = new DataCache(getContext());
         mFooter = holder.get(R.id.footer);
         initRefreshLayout(holder);
         initRecyclerView(getContext(), holder);
         initListener(holder);
+        loadData();
     }
 
     private void initRefreshLayout(ViewHolder holder) {
@@ -261,7 +268,6 @@ public void onNewsList(GetNewsListEvent event) {
     public void onStart() {
         super.onStart();
         EventBus.getDefault().register(this);
-        loadData();
     }
 
     @Override

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

@@ -24,6 +24,7 @@
 
 import android.content.Context;
 import android.os.Bundle;
+import android.support.annotation.Nullable;
 import android.support.v7.widget.GridLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.view.View;
@@ -41,7 +42,6 @@
 import com.gcssloop.diycode_sdk.api.Diycode;
 import com.gcssloop.diycode_sdk.api.sites.bean.Sites;
 import com.gcssloop.diycode_sdk.api.sites.event.GetSitesEvent;
-import com.gcssloop.diycode_sdk.log.Logger;
 
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
@@ -75,17 +75,25 @@ public static SitesListFragment newInstance() {
         return fragment;
     }
 
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        mDiycode = Diycode.getSingleInstance();
+        mDataCache = new DataCache(getContext());
+        mDataCache.getSitesItems();
+    }
+
     @Override
     protected int getLayoutId() {
         return R.layout.fragment_sites;
     }
 
     @Override
     protected void initViews(ViewHolder holder, View root) {
-        mDiycode = Diycode.getSingleInstance();
-        mDataCache = new DataCache(getContext());
         mFooter = holder.get(R.id.footer);
         initRecyclerView(getContext(), holder);
+        loadData();
     }
 
     private void initRecyclerView(final Context context, ViewHolder holder) {
@@ -114,9 +122,9 @@ public int getSpanSize(int position) {
 
     // 加载数据
     private void loadData() {
-        List<Sites> sitesList = mDataCache.getSites();
+        List<Object> sitesList = mDataCache.getSitesItems();
         if (sitesList != null) {
-            convertData(sitesList);
+            mAdapter.addDatas(sitesList);
             mFooter.setText(FOOTER_NORMAL);
         } else {
             mDiycode.getSites();
@@ -131,7 +139,7 @@ public void onSitesList(GetSitesEvent event) {
         if (event.isOk()) {
             List<Sites> sitesList = event.getBean();
             convertData(sitesList);
-            mDataCache.saveSites(event.getBean());
+            // mDataCache.saveSites(event.getBean());
         } else {
             toast("获取 sites 失败");
             mFooter.setText(FOOTER_ERROR);
@@ -156,13 +164,13 @@ private void convertData(List<Sites> sitesList) {
             }
         }
         mAdapter.addDatas(items);
+        mDataCache.saveSitesItems(mAdapter.getDatas());
     }
 
     @Override
     public void onStart() {
         super.onStart();
         EventBus.getDefault().register(this);
-        loadData();
     }
 
     @Override

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

@@ -24,6 +24,7 @@
 
 import android.content.Context;
 import android.os.Bundle;
+import android.support.annotation.Nullable;
 import android.support.v4.util.ArrayMap;
 import android.support.v4.widget.NestedScrollView;
 import android.support.v4.widget.SwipeRefreshLayout;
@@ -96,21 +97,37 @@ public static TopicListFragment newInstance() {
         return fragment;
     }
 
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        mConfig = Config.getSingleInstance();
+        mDiycode = Diycode.getSingleInstance();
+        mDataCache = new DataCache(getContext());
+        // 预加载数据, 提前将磁盘数据读取到内存，后续读取更快速
+        List<Topic> topics = mDataCache.getTopicsList();
+        if (topics != null) {
+            for (Topic topic : topics) {
+                mDataCache.getTopicPreview(topic.getId());
+            }
+        }
+    }
+
     @Override
     protected int getLayoutId() {
         return R.layout.fragment_recycler_refresh;
     }
 
     @Override
     protected void initViews(ViewHolder holder, View root) {
-        mConfig = Config.getSingleInstance();
-        mDiycode = Diycode.getSingleInstance();
-        mDataCache = new DataCache(getContext());
+        long time = System.currentTimeMillis();
+        Logger.e("time = " + time);
         mFooter = holder.get(R.id.footer);
         mScrollView = holder.get(R.id.scroll_view);
         initRefreshLayout(holder);
         initRecyclerView(getContext(), holder);
         initListener(holder);
+        initData();
+        Logger.e("initViews 耗时 = " + (System.currentTimeMillis() - time) + " ms");
     }
 
     // 加载数据，默认从缓存加载
@@ -249,7 +266,6 @@ public void onTopicList(GetTopicsListEvent event) {
     public void onStart() {
         super.onStart();
         EventBus.getDefault().register(this);
-        initData();
     }
 
     @Override

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

@@ -142,4 +142,13 @@ public void saveSites(List<Sites> sitesList) {
     public List<Sites> getSites() {
         return getData("sites_");
     }
+
+    public void saveSitesItems(List<Object> sitesList) {
+        ArrayList<Object> data = new ArrayList<>(sitesList);
+        saveData("sites_item_", data);
+    }
+
+    public List<Object> getSitesItems() {
+        return getData("sites_item_");
+    }
 }