diff --git a/sample/build.gradle b/sample/build.gradle
index 3132762..7c87934 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -1,12 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 21
+    compileSdkVersion 22
     buildToolsVersion '21.1.2'
 
     defaultConfig {
         minSdkVersion 9
-        targetSdkVersion 21
+        targetSdkVersion 22
         versionCode 1
         versionName "1.0"
     }
@@ -23,7 +23,6 @@ repositories {
 }
 
 dependencies {
-    compile 'com.android.support:appcompat-v7:21.0.3'
-    compile fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
+    compile 'com.android.support:appcompat-v7:22.2.0'
     compile project(':library')
 }
\ No newline at end of file
diff --git a/sample/src/main/java/hotchemi/android/rate/sample/MainActivity.java b/sample/src/main/java/hotchemi/android/rate/sample/MainActivity.java
index 06e9c11..3e5dfa3 100644
--- a/sample/src/main/java/hotchemi/android/rate/sample/MainActivity.java
+++ b/sample/src/main/java/hotchemi/android/rate/sample/MainActivity.java
@@ -1,13 +1,13 @@
 package hotchemi.android.rate.sample;
 
 import android.os.Bundle;
-import android.support.v7.app.ActionBarActivity;
+import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 
 import hotchemi.android.rate.AppRate;
 import hotchemi.android.rate.OnClickButtonListener;
 
-public class MainActivity extends ActionBarActivity {
+public class MainActivity extends AppCompatActivity {
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -15,12 +15,11 @@ protected void onCreate(Bundle savedInstanceState) {
         setContentView(R.layout.activity_main);
 
         AppRate.with(this)
-                .setInstallDays(0) // default 10, 0 means install day.
-                .setLaunchTimes(1) // default 10 times.
+                .setInstallDays(3) // default 10, 0 means install day.
+                .setLaunchTimes(10) // default 10 times.
                 .setRemindInterval(2) // default 1 day.
                 .setShowNeutralButton(true) // default true.
-                .setDebug(false) // default false.
-                .setShowTitle(false) // default true
+                .setDebug(true) // default false.
                 .setOnClickButtonListener(new OnClickButtonListener() { // callback listener.
                     @Override
                     public void onClickButton(int which) {
@@ -29,7 +28,6 @@ public void onClickButton(int which) {
                 })
                 .monitor();
 
-        // Show a dialog if meets conditions.
         AppRate.showRateDialogIfMeetsConditions(this);
     }