Made syncing seamless

HiiYL · May 2, 2015 · acfcc4e · acfcc4e
1 parent 43d3bd2
commit acfcc4e
Show file tree

Hide file tree

Showing 7 changed files with 436 additions and 420 deletions.
diff --git a/.DS_Store b/.DS_Store
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
diff --git a/app/src/main/java/com/github/hiiyl/mmuhub/MMLSActivity.java b/app/src/main/java/com/github/hiiyl/mmuhub/MMLSActivity.java
@@ -41,17 +41,7 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreateDrawer();
 
         mDownloadButton = (ButtonFloat)findViewById(R.id.lecture_notes_download);
-        Handler handler = new Handler();
-        handler.postDelayed(new Runnable() {
-            @Override
-            public void run() {
-                if(subjectHasFiles(0)) {
-                    mDownloadButton.show();
-                }else {
-                    mDownloadButton.hide();
-                }
-            }
-        }, 200);
+
         mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());
 
         mViewPager = (ViewPager) findViewById(R.id.pager);
@@ -101,6 +91,18 @@ public void onClick(View v) {
         }else {
             MMUSyncAdapter.initializeSyncAdapter(this);
         }
+
+        Handler handler = new Handler();
+        handler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                if(subjectHasFiles(mViewPager.getCurrentItem())) {
+                    mDownloadButton.show();
+                }else {
+                    mDownloadButton.hide();
+                }
+            }
+        }, 200);
     }
     private boolean subjectHasFiles(int position) {
         String pos = Integer.toString(position + 1);
@@ -128,8 +130,11 @@ public void onStop() {
 
     public void onEventMainThread(SyncEvent event){
         if(event.message.equals(Utility.SYNC_FINISHED)) {
-            SnackBar sync_notify = new SnackBar(this, "Sync Complete");
-            sync_notify.show();
+            if(Utility.isFirstSync(this)) {
+                SnackBar sync_notify = new SnackBar(this, "Sync Complete");
+                sync_notify.show();
+                Utility.setFirstSync(this, false);
+            }
         }else if(event.message.equals(Utility.SYNC_BEGIN)) {
             SnackBar sync_notify = new SnackBar(this, "Syncing ...");
             sync_notify.show();

diff --git a/app/src/main/java/com/github/hiiyl/mmuhub/MMLSAdapter.java b/app/src/main/java/com/github/hiiyl/mmuhub/MMLSAdapter.java
@@ -28,7 +28,6 @@ public MMLSAdapter(Cursor cursor, Context context){
 
     @Override
     protected Cursor getChildrenCursor(Cursor groupCursor) {
-        mHelper = new MMUDbHelper(mContext);
         String week_id = groupCursor.getString(groupCursor.getColumnIndex(MMUContract.WeekEntry._ID));
         mCursor = MySingleton.getInstance(mContext).getDatabase().query(MMUContract.AnnouncementEntry.TABLE_NAME, null,
                 "week_id = ?", new String[] {week_id}, null, null, null);

diff --git a/app/src/main/java/com/github/hiiyl/mmuhub/SettingsActivity.java b/app/src/main/java/com/github/hiiyl/mmuhub/SettingsActivity.java
@@ -32,7 +32,8 @@ public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
                 if(key.equals(SYNC_ENABLED)) {
                     boolean sync_enabled = prefs.getBoolean(SYNC_ENABLED, true);
                     int sync_enabled_int = (sync_enabled) ? 1 : 0;
-                    ContentResolver.setIsSyncable(MMUSyncAdapter.getSyncAccount(SettingsActivity.this), MMUProvider.getAuthority(), sync_enabled_int);
+                    ContentResolver.setSyncAutomatically(MMUSyncAdapter.getSyncAccount(SettingsActivity.this), MMUProvider.getAuthority(), sync_enabled);
+//                    ContentResolver.setIsSyncable(MMUSyncAdapter.getSyncAccount(SettingsActivity.this), MMUProvider.getAuthority(), sync_enabled_int);
                 }
                 if(key.equals(SYNC_INTERVAL)) {
                     String  interval = prefs.getString(SYNC_INTERVAL, "");

diff --git a/app/src/main/java/com/github/hiiyl/mmuhub/Utility.java b/app/src/main/java/com/github/hiiyl/mmuhub/Utility.java
@@ -145,4 +145,14 @@ public static boolean getNotificationsEnabled(Context context) {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
         return prefs.getBoolean("notifications_enabled", true);
     }
+    public static boolean isFirstSync(Context context) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        return prefs.getBoolean("first_sync", true);
+    }
+    public static void setFirstSync(Context context, boolean is_first_sync) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        SharedPreferences.Editor editor = prefs.edit();
+        editor.putBoolean("first_sync", is_first_sync);
+        editor.apply();
+    }
 }
diff --git a/app/src/main/java/com/github/hiiyl/mmuhub/sync/MMUSyncAdapter.java b/app/src/main/java/com/github/hiiyl/mmuhub/sync/MMUSyncAdapter.java
@@ -78,7 +78,10 @@ public MMUSyncAdapter(Context context, boolean autoInitialize) {
         super(context, autoInitialize);
     }
     public void onPerformSync(Account account, Bundle extras, String authority, ContentProviderClient provider, SyncResult syncResult) {
-        EventBus.getDefault().postSticky(new SyncEvent(Utility.SYNC_BEGIN));
+        if(Utility.isFirstSync(getContext())) {
+            Log.d("FIRST SYNC", "FIRST SYNC");
+            EventBus.getDefault().postSticky(new SyncEvent(Utility.SYNC_BEGIN));
+        }
         sync_queue = MySingleton.getInstance(getContext()).
                 getRequestQueue();
         Log.d(LOG_TAG, "onPerformSync Called.");