fix list update

Author: brian512

app/src/main/java/com/brian/csdnblog/activity/BlogListFrag.java

@@ -114,7 +114,7 @@ public void convert(ViewHolder holder, final BlogInfo item) {
                 TextView nameView = holder.getView(R.id.msg);
 
                 Bloger bloger = Bloger.fromJson(item.blogerJson);
-                if (bloger != null && !TextUtils.isEmpty(bloger.nickName)) {
+                if (bloger != null && !TextUtils.isEmpty(bloger.nickName) && !TextUtils.isEmpty(item.extraMsg)) {
                     SpannableStringBuilder builder = new SpannableStringBuilder(item.extraMsg);
                     int indexStart = item.extraMsg.indexOf(bloger.nickName);
                     builder.setSpan(mColorSpanName, indexStart, indexStart + bloger.nickName.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
@@ -451,9 +451,14 @@ public void onEventMainThread(TypeChangeEvent event) {
     }
 
     private void startRefresh() {
-        if (mRefreshable) {
+        if (mRefreshable && checkUpdateTime()) {
             mRefreshLayout.setRefreshing(true);
             loadData(true);
         }
     }
+
+    private boolean checkUpdateTime() {
+        long lastUpdateTime = FileUtil.getFileLastModified(Env.getContext().getFilesDir() + "/cache_" + mType);
+        return System.currentTimeMillis() - lastUpdateTime > 3000_000;
+    }
 }

app/src/main/java/com/brian/csdnblog/activity/MainTabActivity.java

@@ -78,7 +78,7 @@ public void onCreate(Bundle savedInstanceState) {
     private void initUI() {
         mTabAdapter = new MainTabAdapter(getSupportFragmentManager());
         // 视图切换器
-        mViewpager.setOffscreenPageLimit(4);// 预先加载页面的数量
+        mViewpager.setOffscreenPageLimit(1);// 预先加载页面的数量
         mViewpager.setAdapter(mTabAdapter);
         mTabLayout.setTabMode(TabLayout.MODE_SCROLLABLE);//设置滑动模式
         mTabLayout.setupWithViewPager(mViewpager);

app/src/main/java/com/brian/csdnblog/adapter/MainTabAdapter.java

@@ -3,6 +3,7 @@
 
 import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentPagerAdapter;
+import android.view.ViewGroup;
 
 import com.brian.csdnblog.activity.BlogListFrag;
 import com.brian.csdnblog.manager.TypeManager;
@@ -74,4 +75,9 @@ public int getCount() {
         return mTabTitles.length;
     }
 
+    @Override
+    public void destroyItem(ViewGroup container, int position, Object object) {
+        // 避免视图被销毁
+//        super.destroyItem(container, position, object);
+    }
 }

app/src/main/java/com/brian/csdnblog/parser/CSDNHtmlParser.java

@@ -338,13 +338,10 @@ private String getSearchUrlByKeyword(String keyword, String page) {
      * 若该链接是博文链接，则返回链接地址，若不是则返回空
      */
     public String getBlogContentUrl(String... urls) {
-        String blogUrl = "";
-        String url = urls[0];
-        if (url.contains("/article/details")) {// 链接为CSDN博客内容
-            if (url.startsWith("/")) {
-                blogUrl = URL_CSDN_BLOG_BASE + url;
-            } else {
-                blogUrl = url;
+        String blogUrl = urls[0];
+        if (blogUrl.contains("/article/details")) {// 链接为CSDN博客内容
+            if (blogUrl.startsWith("/")) {
+                blogUrl = URL_CSDN_BLOG_BASE + blogUrl;
             }
         }
         return blogUrl;

app/src/main/java/com/brian/csdnblog/util/DeviceUtil.java

@@ -41,11 +41,15 @@ public static String getUUID() {
             return uniqueId;
         }
         final TelephonyManager tm = (TelephonyManager) Env.getContext().getSystemService(Context.TELEPHONY_SERVICE);
-        final String tmDevice, tmSerial, androidId;
-        tmDevice = "" + tm.getDeviceId();
+        String deviceId, tmSerial, androidId;
+        try {
+            deviceId = tm.getDeviceId();
+        } catch (Exception e) {
+            deviceId = "";
+        }
         tmSerial = "" + tm.getSimSerialNumber();
         androidId = "" + Settings.Secure.getString(Env.getContext().getContentResolver(), Settings.Secure.ANDROID_ID);
-        UUID deviceUuid = new UUID(androidId.hashCode(), ((long) tmDevice.hashCode() << 32) | tmSerial.hashCode());
+        UUID deviceUuid = new UUID(androidId.hashCode(), ((long) deviceId.hashCode() << 32) | tmSerial.hashCode());
         uniqueId = Md5.getMD5ofStr(deviceUuid.toString());
         LogUtil.d("uuid=" + uniqueId);
         return uniqueId;
@@ -55,19 +59,16 @@ public static String getUUID() {
      * 获取分辨率，格式：640x480
      */
     public static String getResolution(Context context) {
-        String resolution = context.getResources().getDisplayMetrics().widthPixels
+        return context.getResources().getDisplayMetrics().widthPixels
                 + "x" + context.getResources().getDisplayMetrics().heightPixels;
-        return resolution;
     }
 
     /**
      * 获取屏幕密度
      */
     public static int getScreenDensity(Context context) {
         DisplayMetrics metric = context.getResources().getDisplayMetrics();
-        int densityDpi = metric.densityDpi; // 屏幕密度DPI（120 / 160 / 240）
-
-        return densityDpi;
+        return metric.densityDpi; // 屏幕密度DPI（120 / 160 / 240）
     }
 
     /**
@@ -170,17 +171,15 @@ public static String getSerial() {
      * 获取手机操作系统
      */
     public static String getSystemId() {
-        String systemId = Build.VERSION.RELEASE;
-        return systemId;
+        return Build.VERSION.RELEASE;
     }
 
 
     /**
      * 获取手机SDK版本号
      */
     public static int getSdkVersion() {
-        int sdkVersion = Build.VERSION.SDK_INT;
-        return sdkVersion;
+        return Build.VERSION.SDK_INT;
     }
 
     /**
@@ -197,7 +196,7 @@ public static String getCPU() {
         sCPU = "";
 
         String str1 = "/proc/cpuinfo";
-        String str2 = "";
+        String str2;
         String[] cpuInfo = {"", ""}; // 1-cpu型号 //2-cpu频率
         String[] arrayOfString;
         try {
@@ -214,7 +213,7 @@ public static String getCPU() {
             localBufferedReader.close();
             sCPU = cpuInfo[0];
         } catch (IOException e) {
-
+            LogUtil.printError(e);
         }
         return sCPU;
     }
@@ -236,7 +235,7 @@ public static String getKernel() {
         try {
             process = Runtime.getRuntime().exec("cat /proc/version");
         } catch (IOException e) {
-
+            LogUtil.printError(e);
         }
 
         // get the output line
@@ -253,10 +252,10 @@ public static String getKernel() {
                 // result += " ";
             }
         } catch (IOException e) {
-
+            LogUtil.printError(e);
         }
 
-        if (result != "") {
+        if (!TextUtils.isEmpty(result)) {
             String Keyword = "version ";
             int index = result.indexOf(Keyword);
             line = result.substring(index + Keyword.length());