store the theme Id in the preferences so that no DB is needed to access it

the idea is to set up the main activity without accessing the database
so that a Loading... screen is shown while the DB is being upgraded

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java b/app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java
index e43970d229594a7a3377fd25b8ca6f14f6305219..199347a40eca617b80551e14c51030ddc22d21bc 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java
@@ -18,6 +18,7 @@
 package net.ktnx.mobileledger.ui.activity;
 
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.content.pm.PackageInfo;
 import android.content.pm.ShortcutInfo;
 import android.content.pm.ShortcutManager;
@@ -85,6 +86,7 @@ public class MainActivity extends ProfileThemedActivity {
     public static final String STATE_CURRENT_PAGE = "current_page";
     public static final String BUNDLE_SAVED_STATE = "bundle_savedState";
     public static final String STATE_ACC_FILTER = "account_filter";
+    private static final String PREF_THEME_ID = "themeId";
     public AccountSummaryFragment mAccountSummaryFragment;
     DrawerLayout drawer;
     private LinearLayout profileListContainer;
@@ -141,9 +143,12 @@ public class MainActivity extends ProfileThemedActivity {
     }
     @Override
     protected void setupProfileColors() {
-        int profileColor = Data.retrieveCurrentThemeIdFromDb();
+        SharedPreferences prefs = getPreferences(MODE_PRIVATE);
+        int profileColor = prefs.getInt(PREF_THEME_ID, -2);
+        if (profileColor == -2) profileColor = Data.retrieveCurrentThemeIdFromDb();
         Colors.setupTheme(this, profileColor);
         Colors.profileThemeId = profileColor;
+        storeThemeIdInPrefs(profileColor);
     }
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -427,6 +432,9 @@ public class MainActivity extends ProfileThemedActivity {
     private void profileThemeChanged() {
         Bundle bundle = new Bundle();
         onSaveInstanceState(bundle);
+
+        storeThemeIdInPrefs(profile.getThemeId());
+
         // restart activity to reflect theme change
         finish();
 
@@ -438,6 +446,13 @@ public class MainActivity extends ProfileThemedActivity {
         intent.putExtra(BUNDLE_SAVED_STATE, bundle);
         startActivity(intent);
     }
+    private void storeThemeIdInPrefs(int themeId) {
+        // store the new theme id in the preferences
+        SharedPreferences prefs = getPreferences(MODE_PRIVATE);
+        SharedPreferences.Editor e = prefs.edit();
+        e.putInt(PREF_THEME_ID, themeId);
+        e.apply();
+    }
     public void startEditProfileActivity(MobileLedgerProfile profile) {
         Intent intent = new Intent(this, ProfileDetailActivity.class);
         Bundle args = new Bundle();