account switcher: make switching accounts smoother

src/main/java/org/thoughtcrime/securesms/ConversationListActivity.java

@@ -573,6 +573,13 @@ public class ConversationListActivity extends PassphraseRequiredActionBarActivit
     startActivity(Intent.createChooser(intent, getString(R.string.chat_share_with_title)));
   }
 
+  public void onProfileSwitched(int profileId) {
+    refreshAvatar();
+    refreshUnreadIndicator();
+    refreshTitle();
+    conversationListFragment.loadChatlist();
+  }
+
   public void onDeleteProfile(int profileId) {
     deleteProfileId = profileId;
     boolean result = ScreenLockUtil.applyScreenLock(this, getString(R.string.delete_account), getString(R.string.enter_system_secret_to_continue), REQUEST_CODE_CONFIRM_CREDENTIALS_DELETE_PROFILE);

src/main/java/org/thoughtcrime/securesms/ConversationListFragment.java

@@ -260,7 +260,7 @@ public class ConversationListFragment extends BaseConversationListFragment
     });
   }
 
-  private void loadChatlist() {
+  public void loadChatlist() {
     int listflags = 0;
     if (archive) {
       listflags |= DcContext.DC_GCL_ARCHIVED_ONLY;

src/main/java/org/thoughtcrime/securesms/accounts/AccountSelectionListFragment.java

@@ -247,13 +247,13 @@ public class AccountSelectionListFragment extends DialogFragment implements DcEv
 
     @Override
     public void onItemClick(AccountSelectionListItem contact) {
-      Activity activity = requireActivity();
       AccountSelectionListFragment.this.dismiss();
       int accountId = contact.getAccountId();
       if (accountId == DC_CONTACT_ID_ADD_ACCOUNT) {
         AccountManager.getInstance().switchAccountAndStartActivity(activity, 0);
       } else if (accountId != DcHelper.getAccounts(activity).getSelectedAccount().getAccountId()) {
-        AccountManager.getInstance().switchAccountAndStartActivity(activity, accountId);
+        AccountManager.getInstance().switchAccount(activity, accountId);
+        activity.onProfileSwitched(accountId);
       }
     }
   }