diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..69665be
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,30 @@
+language: android
+
+android:
+  components:
+    - tools
+    - platform-tools
+    - extra-android-support
+    - extra-android-m2repository
+
+jdk:
+  - oraclejdk8
+
+branches:
+  except:
+    - gh-pages
+
+before_install:
+  - mkdir "$ANDROID_HOME/licenses" || true
+  - echo -e "\n8933bad161af4178b1185d1a37fbf41ea5269c55\nd56f5187479451eabf01fb78af6dfcb131a6481e\nd56f5187479451eabf01fb78af6dfcb131a6481e\n24333f8a63b6825ea9c5514f83c2829b004d1fee" > "$ANDROID_HOME/licenses/android-sdk-license"
+
+licenses:
+  - android-sdk-license-.+
+  - '.+'
+
+script:
+  ./gradlew clean build
+
+cache:
+  directories:
+    - $HOME/.m2
diff --git a/app/build.gradle b/app/build.gradle
index 14a3e28..5cf7a3f 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,8 +9,8 @@ copper {
     projectName = "AskSample"
 
     publications {
-        genSourcesForVariant = {false}
-        artiConfig = project.hasProperty('artiServer')?project.artiServer:"arti01"
+        genSourcesForVariant = { false }
+        artiConfig = project.hasProperty('artiServer') ? project.artiServer : "arti01"
     }
 }
 
@@ -25,7 +25,7 @@ android {
         targetSdkVersion 28
         versionCode versioning.info.versionCode
         versionName versioning.info.display
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -39,36 +39,41 @@ android {
         exclude 'META-INF/main.kotlin_module'
         exclude 'META-INF/lib_release.kotlin_module'
     }
+
+    // Butterknife requires Java 8.
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
 }
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {
-        exclude group: 'com.android.support', module: 'support-annotations'
-    })
-    implementation 'com.android.support:appcompat-v7:28.0.0'
-    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
-    implementation 'com.android.support:design:28.0.0'
-    implementation 'com.android.support:support-media-compat:28.0.0'
-    implementation 'com.android.support:support-v4:28.0.0'
-    implementation 'com.android.support:cardview-v7:28.0.0'
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'com.google.android.material:material:1.1.0'
+    implementation 'androidx.media:media:1.1.0'
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    implementation 'androidx.cardview:cardview:1.0.0'
+    implementation 'androidx.preference:preference:1.1.0'
+    implementation 'com.takisoft.preferencex:preferencex:1.1.0'
 
     // Coppernic
-    implementation 'fr.coppernic.sdk.ask:CpcAsk:3.5.2'
-    implementation 'fr.coppernic.sdk.core:CpcCore:1.8.14'
-    implementation'fr.coppernic.sdk.cpcutils:CpcUtilsLib:6.18.4'
+    implementation 'fr.coppernic.sdk.ask:CpcAsk:chasse'
+    implementation 'fr.coppernic.sdk.core:CpcCore:1.9.0'
+    implementation 'fr.coppernic.sdk.cpcutils:CpcUtilsLib:6.19.0'
 
     // Butter knife
-    implementation 'com.jakewharton:butterknife:8.8.1'
-    annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
+    implementation 'com.jakewharton:butterknife:10.2.0'
+    annotationProcessor 'com.jakewharton:butterknife-compiler:10.2.0'
 
     // Timber
     implementation 'com.jakewharton.timber:timber:4.7.1'
     implementation 'fr.bipi.treessence:treessence:0.3.0'
 
-    testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test:rules:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-contrib:3.0.2'
+    testImplementation 'junit:junit:4.13'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test:rules:1.2.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-contrib:3.2.0'
 }
diff --git a/app/src/androidTest/java/fr/coppernic/samples/ask/HuntInstrumentedTest.java b/app/src/androidTest/java/fr/coppernic/samples/ask/HuntInstrumentedTest.java
index 65142e4..887c19d 100644
--- a/app/src/androidTest/java/fr/coppernic/samples/ask/HuntInstrumentedTest.java
+++ b/app/src/androidTest/java/fr/coppernic/samples/ask/HuntInstrumentedTest.java
@@ -1,18 +1,7 @@
 package fr.coppernic.samples.ask;
 
-import android.app.PendingIntent;
-import android.content.BroadcastReceiver;
 import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
 import android.os.SystemClock;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.espresso.UiController;
-import android.support.test.espresso.ViewAction;
-import android.support.test.espresso.matcher.ViewMatchers;
-import android.support.test.filters.LargeTest;
-import android.support.test.rule.ActivityTestRule;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.View;
 import android.widget.TextView;
 
@@ -23,11 +12,20 @@
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import static android.support.test.espresso.Espresso.onView;
-import static android.support.test.espresso.action.ViewActions.click;
-import static android.support.test.espresso.matcher.ViewMatchers.isAssignableFrom;
-import static android.support.test.espresso.matcher.ViewMatchers.withId;
-import static org.junit.Assert.*;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.espresso.UiController;
+import androidx.test.espresso.ViewAction;
+import androidx.test.espresso.matcher.ViewMatchers;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.LargeTest;
+import androidx.test.rule.ActivityTestRule;
+
+import static androidx.test.espresso.Espresso.onView;
+import static androidx.test.espresso.action.ViewActions.click;
+import static androidx.test.espresso.matcher.ViewMatchers.isAssignableFrom;
+import static androidx.test.espresso.matcher.ViewMatchers.withId;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
 /**
  * Instrumentation test, which will execute on an Android device.
@@ -42,9 +40,9 @@ public class HuntInstrumentedTest {
     public ActivityTestRule<MainActivity> activityRule = new ActivityTestRule<> (MainActivity.class);
 
     @Test
-    public void useAppContext() throws Exception {
+    public void useAppContext() {
         // Context of the app under test.
-        Context appContext = InstrumentationRegistry.getTargetContext();
+        Context appContext = ApplicationProvider.getApplicationContext();
 
         assertEquals("fr.coppernic.samples.ask", appContext.getPackageName());
     }
@@ -84,7 +82,7 @@ public void stabilityTest() {
             clickOnEnterHuntPhase();
             SystemClock.sleep(500);
             String result = getText(ViewMatchers.withId(R.id.tvAtrValue));
-            assertTrue(result.compareTo(initialValue) == 0);
+            assertEquals(0, result.compareTo(initialValue));
         }
     }
 
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 4ab43f8..b19bf7c 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -11,7 +11,10 @@
         android:roundIcon="@drawable/rfid_blue"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
-        tools:ignore="GoogleAppIndexingWarning">
+        tools:ignore="AllowBackup,GoogleAppIndexingWarning">
+        <activity
+            android:name=".settings.SettingsActivity"
+            android:label="@string/title_activity_settings"></activity>
         <activity
             android:name=".MainActivity"
             android:label="@string/app_name"
diff --git a/app/src/main/java/fr/coppernic/samples/ask/App.java b/app/src/main/java/fr/coppernic/samples/ask/App.java
index c645ea6..02424d7 100644
--- a/app/src/main/java/fr/coppernic/samples/ask/App.java
+++ b/app/src/main/java/fr/coppernic/samples/ask/App.java
@@ -1,6 +1,8 @@
 package fr.coppernic.samples.ask;
 
 import android.app.Application;
+import android.view.Window;
+import android.view.WindowManager;
 
 import timber.log.Timber;
 
diff --git a/app/src/main/java/fr/coppernic/samples/ask/MainActivity.java b/app/src/main/java/fr/coppernic/samples/ask/MainActivity.java
index deb3148..4bc1518 100644
--- a/app/src/main/java/fr/coppernic/samples/ask/MainActivity.java
+++ b/app/src/main/java/fr/coppernic/samples/ask/MainActivity.java
@@ -1,20 +1,27 @@
 package fr.coppernic.samples.ask;
 
+import android.content.Intent;
+import android.content.SharedPreferences;
 import android.os.Bundle;
-import android.support.design.widget.Snackbar;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.SwitchCompat;
-import android.support.v7.widget.Toolbar;
+import android.view.Menu;
+import android.view.MenuItem;
 import android.view.View;
 import android.widget.Button;
 import android.widget.CompoundButton;
 import android.widget.RadioGroup;
 import android.widget.TextView;
 
+import com.google.android.material.snackbar.Snackbar;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.SwitchCompat;
+import androidx.appcompat.widget.Toolbar;
+import androidx.preference.PreferenceManager;
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnCheckedChanged;
 import butterknife.OnClick;
+import fr.coppernic.samples.ask.settings.SettingsActivity;
 import fr.coppernic.sdk.ask.Defines;
 import fr.coppernic.sdk.ask.Reader;
 import fr.coppernic.sdk.ask.ReaderListener;
@@ -30,6 +37,7 @@
 import fr.coppernic.sdk.utils.io.InstanceListener;
 import timber.log.Timber;
 
+@SuppressWarnings("Convert2Lambda")
 public class MainActivity extends AppCompatActivity implements PowerListener, InstanceListener<Reader> {
     // RFID reader
     private Reader reader;
@@ -46,6 +54,8 @@ public class MainActivity extends AppCompatActivity implements PowerListener, In
     TextView tvAtrValue;
     @BindView(R.id.btnSamGetAtr)
     Button btnGetSamAtr;
+    //Settings
+    private SharedPreferences sharedPreferences;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -56,6 +66,8 @@ protected void onCreate(Bundle savedInstanceState) {
 
         ButterKnife.bind(this);
 
+        sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
         PowerManager.get().registerListener(this);
     }
 
@@ -69,6 +81,22 @@ protected void onDestroy() {
 
     // InstanceListener implementation
 
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.menu, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == R.id.action_settings) {
+            Intent intent = new Intent(this, SettingsActivity.class);
+            startActivity(intent);
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
     @Override
     public void onCreated(Reader reader) {
         this.reader = reader;
@@ -135,6 +163,7 @@ public void onSwCardDetectionCheckedChanged(final CompoundButton buttonView, boo
         if (checked) {
             // Clears Tag data
             showTag(null);
+
             // Sets the card detection
             sCARD_SearchExt search = new sCARD_SearchExt();
             search.OTH = 1;
@@ -148,7 +177,8 @@ public void onSwCardDetectionCheckedChanged(final CompoundButton buttonView, boo
             search.MV5k = 1;
             search.TICK = 1;
             int mask = Defines.SEARCH_MASK_INNO | Defines.SEARCH_MASK_ISOA | Defines.SEARCH_MASK_ISOB | Defines.SEARCH_MASK_MIFARE | Defines.SEARCH_MASK_MONO | Defines.SEARCH_MASK_MV4K | Defines.SEARCH_MASK_MV5K | Defines.SEARCH_MASK_TICK | Defines.SEARCH_MASK_OTH;
-            SearchParameters parameters = new SearchParameters(search, mask, (byte) 0x01, (byte) 0x00);
+            SearchParameters parameters =
+                new SearchParameters(search, mask, (byte) 0x01, getTimeout(), getRfOffTimeout());
             // Starts card detection
             reader.startDiscovery(parameters, new ReaderListener() {
                 @Override
@@ -330,4 +360,24 @@ public void onPowerUp(CpcResult.RESULT result, Peripheral peripheral) {
     public void onPowerDown(CpcResult.RESULT result, Peripheral peripheral) {
         enableUiAfterReaderInstantiation(false);
     }
+
+    private byte getTimeout() {
+
+        String s = sharedPreferences.getString(SettingsActivity.KEY_SEARCH_TIMEOUT, "200");
+        if (s == null) {
+            s = "200";
+        }
+
+        int i = Integer.parseInt(s);
+
+        return (byte) (i / 10);
+    }
+
+    private long getRfOffTimeout() {
+        String s = sharedPreferences.getString(SettingsActivity.KEY_RF_OFF_TIMEOUT, "0");
+        if (s == null) {
+            s = "0";
+        }
+        return Long.parseLong(s);
+    }
 }
diff --git a/app/src/main/java/fr/coppernic/samples/ask/settings/SettingsActivity.java b/app/src/main/java/fr/coppernic/samples/ask/settings/SettingsActivity.java
new file mode 100644
index 0000000..e1ec0cd
--- /dev/null
+++ b/app/src/main/java/fr/coppernic/samples/ask/settings/SettingsActivity.java
@@ -0,0 +1,37 @@
+package fr.coppernic.samples.ask.settings;
+
+import android.os.Bundle;
+
+import com.takisoft.preferencex.PreferenceFragmentCompat;
+
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import fr.coppernic.samples.ask.R;
+
+public class SettingsActivity extends AppCompatActivity {
+
+    public static final String KEY_SEARCH_TIMEOUT = "search_timeout";
+    public static final String KEY_RF_OFF_TIMEOUT = "rf_off_timeout";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.settings_activity);
+        getSupportFragmentManager()
+            .beginTransaction()
+            .replace(R.id.settings, new SettingsFragment())
+            .commit();
+        ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+    }
+
+    public static class SettingsFragment extends PreferenceFragmentCompat {
+        @Override
+        public void onCreatePreferencesFix(@Nullable Bundle savedInstanceState, String rootKey) {
+            setPreferencesFromResource(R.xml.root_preferences, rootKey);
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_settings.xml b/app/src/main/res/drawable/ic_settings.xml
new file mode 100644
index 0000000..9319555
--- /dev/null
+++ b/app/src/main/res/drawable/ic_settings.xml
@@ -0,0 +1,13 @@
+<!-- drawable/settings.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFFFF"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#000"
+        android:pathData="M12,15.5A3.5,3.5 0 0,1 8.5,12A3.5,3.5 0 0,1 12,8.5A3.5,3.5 0 0,1 15.5,12A3.5,3.5 0 0,1 12,15.5M19.43,12.97C19.47,12.65 19.5,12.33 19.5,12C19.5,11.67 19.47,11.34 19.43,11L21.54,9.37C21.73,9.22 21.78,8.95 21.66,8.73L19.66,5.27C19.54,5.05 19.27,4.96 19.05,5.05L16.56,6.05C16.04,5.66 15.5,5.32 14.87,5.07L14.5,2.42C14.46,2.18 14.25,2 14,2H10C9.75,2 9.54,2.18 9.5,2.42L9.13,5.07C8.5,5.32 7.96,5.66 7.44,6.05L4.95,5.05C4.73,4.96 4.46,5.05 4.34,5.27L2.34,8.73C2.21,8.95 2.27,9.22 2.46,9.37L4.57,11C4.53,11.34 4.5,11.67 4.5,12C4.5,12.33 4.53,12.65 4.57,12.97L2.46,14.63C2.27,14.78 2.21,15.05 2.34,15.27L4.34,18.73C4.46,18.95 4.73,19.03 4.95,18.95L7.44,17.94C7.96,18.34 8.5,18.68 9.13,18.93L9.5,21.58C9.54,21.82 9.75,22 10,22H14C14.25,22 14.46,21.82 14.5,21.58L14.87,18.93C15.5,18.67 16.04,18.34 16.56,17.94L19.05,18.95C19.27,19.03 19.54,18.95 19.66,18.73L21.66,15.27C21.78,15.05 21.73,14.78 21.54,14.63L19.43,12.97Z"
+        tools:ignore="VectorPath" />
+</vector>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index aac8647..ad93211 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,25 +1,26 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context="fr.coppernic.samples.ask.MainActivity">
+    tools:context="fr.coppernic.samples.ask.MainActivity"
+    android:keepScreenOn="true">
 
-    <android.support.design.widget.AppBarLayout
+    <com.google.android.material.appbar.AppBarLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:theme="@style/AppTheme.AppBarOverlay">
 
-        <android.support.v7.widget.Toolbar
+        <androidx.appcompat.widget.Toolbar
             android:id="@+id/toolbar"
             android:layout_width="match_parent"
             android:layout_height="?attr/actionBarSize"
             android:background="?attr/colorPrimary"
             app:popupTheme="@style/AppTheme.PopupOverlay" />
 
-    </android.support.design.widget.AppBarLayout>
+    </com.google.android.material.appbar.AppBarLayout>
 
     <include layout="@layout/content_main" />
 
-</android.support.design.widget.CoordinatorLayout>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/app/src/main/res/layout/content_main.xml b/app/src/main/res/layout/content_main.xml
index db31f84..6779047 100644
--- a/app/src/main/res/layout/content_main.xml
+++ b/app/src/main/res/layout/content_main.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -9,7 +9,7 @@
     tools:showIn="@layout/activity_main">
 
 
-    <android.support.v7.widget.CardView
+    <androidx.cardview.widget.CardView
         android:id="@+id/cvBasics"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
@@ -23,7 +23,7 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintHorizontal_bias="0.0">
 
-        <android.support.constraint.ConstraintLayout
+        <androidx.constraintlayout.widget.ConstraintLayout
             android:layout_width="match_parent"
             android:layout_height="match_parent">
 
@@ -41,7 +41,7 @@
                 android:layout_marginRight="8dp"
                 app:layout_constraintRight_toRightOf="parent" />
 
-            <android.support.v7.widget.SwitchCompat
+            <androidx.appcompat.widget.SwitchCompat
                 android:id="@+id/swPower"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
@@ -52,7 +52,7 @@
                 android:layout_marginStart="8dp"
                 app:layout_constraintLeft_toLeftOf="parent" />
 
-            <android.support.v7.widget.SwitchCompat
+            <androidx.appcompat.widget.SwitchCompat
                 android:id="@+id/swOpen"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
@@ -77,11 +77,11 @@
                 app:layout_constraintLeft_toLeftOf="parent"
                 android:layout_marginTop="8dp"
                 app:layout_constraintTop_toBottomOf="@+id/swOpen" />
-        </android.support.constraint.ConstraintLayout>
+        </androidx.constraintlayout.widget.ConstraintLayout>
 
-    </android.support.v7.widget.CardView>
+    </androidx.cardview.widget.CardView>
 
-    <android.support.v7.widget.CardView
+    <androidx.cardview.widget.CardView
         android:id="@+id/cvCardDetection"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
@@ -95,11 +95,11 @@
         android:layout_marginEnd="8dp"
         app:layout_constraintHorizontal_bias="0.0">
 
-        <android.support.constraint.ConstraintLayout
+        <androidx.constraintlayout.widget.ConstraintLayout
             android:layout_width="match_parent"
             android:layout_height="match_parent">
 
-            <android.support.v7.widget.SwitchCompat
+            <androidx.appcompat.widget.SwitchCompat
                 android:id="@+id/swCardDetection"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
@@ -172,11 +172,11 @@
                 app:layout_constraintTop_toBottomOf="@+id/tvAtr"
                 android:layout_marginStart="8dp"
                 android:layout_marginEnd="8dp" />
-        </android.support.constraint.ConstraintLayout>
+        </androidx.constraintlayout.widget.ConstraintLayout>
 
-    </android.support.v7.widget.CardView>
+    </androidx.cardview.widget.CardView>
 
-    <android.support.v7.widget.CardView
+    <androidx.cardview.widget.CardView
         android:id="@+id/cvSam"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
@@ -190,7 +190,7 @@
         app:layout_constraintBottom_toBottomOf="parent"
         android:layout_marginBottom="8dp">
 
-        <android.support.constraint.ConstraintLayout
+        <androidx.constraintlayout.widget.ConstraintLayout
             android:layout_width="match_parent"
             android:layout_height="match_parent">
 
@@ -311,8 +311,8 @@
                 android:layout_marginRight="8dp"
                 app:layout_constraintRight_toRightOf="parent" />
 
-        </android.support.constraint.ConstraintLayout>
+        </androidx.constraintlayout.widget.ConstraintLayout>
 
-    </android.support.v7.widget.CardView>
+    </androidx.cardview.widget.CardView>
 
-</android.support.constraint.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/settings_activity.xml b/app/src/main/res/layout/settings_activity.xml
new file mode 100644
index 0000000..de6591a
--- /dev/null
+++ b/app/src/main/res/layout/settings_activity.xml
@@ -0,0 +1,9 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <FrameLayout
+        android:id="@+id/settings"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/menu/menu.xml b/app/src/main/res/menu/menu.xml
new file mode 100644
index 0000000..8c09734
--- /dev/null
+++ b/app/src/main/res/menu/menu.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:context=".citizen.CitizenActivity">
+
+    <item
+        android:id="@+id/action_settings"
+        android:icon="@drawable/ic_settings"
+        android:orderInCategory="70"
+        android:title="@string/action_settings"
+        app:showAsAction="always"
+        tools:ignore="AlwaysShowAction" />
+</menu>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 7ea5c73..d7d9d25 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -20,4 +20,14 @@
     <string name="hsp_innovatron">HSP Innovatron</string>
     <string name="error_selecting_sam">Error selecting SAM</string>
     <string name="error_resetting_sam">Error resetting SAM</string>
+    <string name="title_activity_settings">Settings</string>
+
+    <!-- Preference Titles -->
+    <string name="discovery_header">Discovery</string>
+    <string name="sync_header">Sync</string>
+
+    <!-- Messages Preferences -->
+    <string name="title_search_timeout">Search timeout (ms)</string>
+    <string name="title_rf_off_timeout">Rf off timeout (ms)</string>
+
 </resources>
diff --git a/app/src/main/res/xml/root_preferences.xml b/app/src/main/res/xml/root_preferences.xml
new file mode 100644
index 0000000..07beb92
--- /dev/null
+++ b/app/src/main/res/xml/root_preferences.xml
@@ -0,0 +1,40 @@
+<!--
+  ~ Copyright 2018 The app Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <PreferenceCategory app:title="@string/discovery_header">
+
+        <EditTextPreference
+            android:digits="0123456789"
+            android:inputType="numberDecimal"
+            app:defaultValue="200"
+            app:key="search_timeout"
+            app:title="@string/title_search_timeout"
+            app:useSimpleSummaryProvider="true" />
+
+        <EditTextPreference
+            android:digits="0123456789"
+            android:inputType="numberDecimal"
+            app:defaultValue="0"
+            app:key="rf_off_timeout"
+            app:title="@string/title_rf_off_timeout"
+            app:useSimpleSummaryProvider="true" />
+
+    </PreferenceCategory>
+
+</PreferenceScreen>
diff --git a/build.gradle b/build.gradle
index fa94336..7358876 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,11 +1,12 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
     repositories {
-        maven { url 'https://artifactory.coppernic.fr/artifcatory/plugins-release'}
+        maven { url 'https://artifactory.coppernic.fr/artifactory/plugins-release'}
         maven { url 'https://artifactory.coppernic.fr/artifactory/libs-release'}
         maven { url "https://plugins.gradle.org/m2/" }
         jcenter()
         google()
+
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.2.0'
@@ -16,9 +17,10 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
-        maven { url 'https://artifactory.coppernic.fr/artifcatory/plugins-release'}
+        maven { url 'https://artifactory.coppernic.fr/artifactory/plugins-release'}
         maven { url 'https://artifactory.coppernic.fr/artifactory/libs-release'}
         google()
+        mavenLocal()
     }
 }
 
diff --git a/gradle.properties b/gradle.properties
index aac7c9b..9e6fce1 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,6 +9,8 @@
 
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
+android.enableJetifier=true
+android.useAndroidX=true
 org.gradle.jvmargs=-Xmx1536m
 
 # When configured, Gradle will run in incubating parallel mode.