Add badge in the drawer when an exchange account is disabled

app/src/main/java/com/herbron/moodl/Activities/HomeActivity.java

@@ -4,6 +4,7 @@ import android.annotation.TargetApi;
 import android.app.Activity;
 import android.content.Intent;
 import android.graphics.Bitmap;
+import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
 import android.os.Build;
 import android.os.Bundle;
@@ -19,11 +20,13 @@ import android.support.v4.widget.DrawerLayout;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.app.AppCompatDelegate;
 import android.util.Log;
+import android.view.Gravity;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.Window;
 import android.view.WindowManager;
 import android.widget.CompoundButton;
+import android.widget.ImageView;
 import android.widget.Switch;
 import android.widget.TextView;
 
@@ -61,6 +64,8 @@ public class HomeActivity extends AppCompatActivity implements BalanceUpdateInte
     private Fragment overviewFragment;
     private Fragment currentFragment;
 
+    private DatabaseManager databaseManager;
+    private TextView alertTextView;
 
     private BalanceSwitchManagerInterface switchInterface;
 
@@ -81,6 +86,7 @@ public class HomeActivity extends AppCompatActivity implements BalanceUpdateInte
 
         drawerLayout = findViewById(R.id.drawer_layout);
         NavigationView navigationView = findViewById(R.id.nav_view);
+        databaseManager = new DatabaseManager(this);
 
         setListener((BalanceSwitchManagerInterface) holdingsFragment);
 
@@ -123,9 +129,35 @@ public class HomeActivity extends AppCompatActivity implements BalanceUpdateInte
             }
         });
 
+        setupSettingsAlert(navigationView);
+
         setupBalanceSwitch();
     }
 
+    private void setupSettingsAlert(NavigationView navigationView)
+    {
+        alertTextView = (TextView) navigationView.getMenu().findItem(R.id.navigation_settings).getActionView();
+        alertTextView.setTextColor(getResources().getColor(R.color.decreaseCandle));
+        alertTextView.setGravity(Gravity.CENTER);
+        alertTextView.setTypeface(null, Typeface.BOLD);
+
+        updateSettingsAlertNumber();
+    }
+
+    private void updateSettingsAlertNumber()
+    {
+        int disabledNumber = databaseManager.getDisabledExchangeAccountsNumber();
+
+        if(disabledNumber > 0)
+        {
+            alertTextView.setText(String.valueOf(disabledNumber));
+        }
+        else
+        {
+            alertTextView.setText("");
+        }
+    }
+
     @TargetApi(Build.VERSION_CODES.LOLLIPOP)
     public static void setStatusBarGradiant(Activity activity) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
@@ -197,6 +229,7 @@ public class HomeActivity extends AppCompatActivity implements BalanceUpdateInte
     protected void onResume() {
         super.onResume();
 
+        updateSettingsAlertNumber();
     }
 
     @Override

app/src/main/java/com/herbron/moodl/Activities/SettingsActivity.java

@@ -22,6 +22,7 @@ import android.preference.PreferenceActivity;
 import android.preference.PreferenceCategory;
 import android.preference.PreferenceFragment;
 import android.preference.PreferenceManager;
+import android.preference.PreferenceScreen;
 import android.preference.SwitchPreference;
 import android.security.keystore.KeyGenParameterSpec;
 import android.security.keystore.KeyPermanentlyInvalidatedException;
@@ -811,7 +812,16 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
                 }
             });
 
-            findPreference("exchange").setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+            DatabaseManager databaseManager = new DatabaseManager(getActivity().getBaseContext());
+            int disabledAcount = databaseManager.getDisabledExchangeAccountsNumber();
+            PreferenceScreen preferenceScreen = (PreferenceScreen) findPreference("exchange");
+
+            if(disabledAcount > 0)
+            {
+                preferenceScreen.setWidgetLayoutResource(R.layout.alert_layout);
+            }
+
+            preferenceScreen.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
                 @Override
                 public boolean onPreferenceClick(Preference preference) {
 

app/src/main/java/com/herbron/moodl/DataManagers/DatabaseManager.java

@@ -211,6 +211,17 @@ public class DatabaseManager extends SQLiteOpenHelper{
         return result.getInt(0);
     }
 
+    public int getDisabledExchangeAccountsNumber()
+    {
+        SQLiteDatabase db = this.getWritableDatabase();
+        String countQuerry = "SELECT COUNT() FROM " + TABLE_EXCHANGE_KEYS + " WHERE " + KEY_EXCHANGE_IS_ENABLED + "=0";
+        Cursor result = db.rawQuery(countQuerry, null);
+
+        result.moveToFirst();
+
+        return result.getInt(0);
+    }
+
     public void deleteExchangeAccountFromId(int id)
     {
         SQLiteDatabase db = this.getWritableDatabase();

app/src/main/res/layout/alert_layout.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ImageView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:src="@drawable/ic_error_24dp"/>

app/src/main/res/menu/summary_navigation_drawer.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
     <group android:checkableBehavior="single">
 
         <item
@@ -31,6 +32,7 @@
                 <item
                     android:id="@+id/navigation_settings"
                     android:icon="@drawable/ic_settings_black_24dp"
+                    app:actionViewClass="android.widget.TextView"
                     android:title="@string/title_activity_settings" />
 
             </group>