blacklist fragment

app/src/main/java/net/headlezz/notificationlogger/BlacklistFragment.java

@@ -0,0 +1,15 @@
+package net.headlezz.notificationlogger;
+
+import android.app.Activity;
+import android.support.v4.app.Fragment;
+import android.support.v7.app.AppCompatActivity;
+
+public class BlacklistFragment extends Fragment {
+
+    @SuppressWarnings("ConstantConditions")
+    @Override
+    public void onAttach(Activity activity) {
+        super.onAttach(activity);
+        ((AppCompatActivity) activity).getSupportActionBar().setTitle("Blacklist");
+    }
+}

app/src/main/java/net/headlezz/notificationlogger/PreferenceActivity.java

@@ -24,7 +24,6 @@ public class PreferenceActivity extends AppCompatActivity implements PreferenceF
         ButterKnife.bind(this);
         setSupportActionBar(mToolbar);
         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-        getSupportActionBar().setTitle(R.string.title_settings);
 
         if(getSupportFragmentManager().findFragmentById(R.id.fragment_holder) == null) {
             PreferenceFragment pf = new PreferenceFragment();
@@ -34,6 +33,7 @@ public class PreferenceActivity extends AppCompatActivity implements PreferenceF
         }
     }
 
+    @Override
     public void showAboutScreen() {
         // TODO add other libraries
         LibsSupportFragment aboutFrag = new LibsBuilder()
@@ -47,4 +47,12 @@ public class PreferenceActivity extends AppCompatActivity implements PreferenceF
                 .addToBackStack("about")
                 .commit();
     }
+
+    @Override
+    public void showBlacklistScreen() {
+        getSupportFragmentManager().beginTransaction()
+                .replace(R.id.fragment_holder, new BlacklistFragment())
+                .addToBackStack("blacklist")
+                .commit();
+    }
 }

app/src/main/java/net/headlezz/notificationlogger/PreferenceFragment.java

@@ -2,6 +2,7 @@ package net.headlezz.notificationlogger;
 
 import android.app.Activity;
 import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceFragmentCompat;
 
@@ -10,32 +11,40 @@ public class PreferenceFragment extends PreferenceFragmentCompat implements Pref
     private PreferenceCallbacks mCallbacks;
 
     final String PREF_ABOUT = "pref_about";
-
+    final String PREF_BLACKLIST = "pref_blacklist";
 
 
     interface PreferenceCallbacks {
         void showAboutScreen();
+        void showBlacklistScreen();
     }
 
     @Override
     public void onCreatePreferences(Bundle bundle, String s) {
         addPreferencesFromResource(R.xml.preferences);
         findPreference(PREF_ABOUT).setOnPreferenceClickListener(this);
+        findPreference(PREF_BLACKLIST).setOnPreferenceClickListener(this);
     }
 
     @Override
     public boolean onPreferenceClick(Preference preference) {
-        if(preference.getKey().equals(PREF_ABOUT)) {
+        String key = preference.getKey();
+        if(key.equals(PREF_ABOUT)) {
             mCallbacks.showAboutScreen();
             return true;
+        } else if(key.equals(PREF_BLACKLIST)) {
+            mCallbacks.showBlacklistScreen();
+            return true;
         }
         return false;
     }
 
+    @SuppressWarnings("ConstantConditions")
     @Override
     public void onAttach(Activity activity) {
         super.onAttach(activity);
         mCallbacks = (PreferenceCallbacks) activity;
+        ((AppCompatActivity) activity).getSupportActionBar().setTitle("Settings");
     }
 
     @Override