diff --git a/apk/sample.apk b/apk/sample.apk
new file mode 100644
index 0000000..73b1355
Binary files /dev/null and b/apk/sample.apk differ
diff --git a/app/build.gradle b/app/build.gradle
index 532cabd..0db5527 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -11,12 +11,22 @@ android {
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
+
     buildTypes {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+
+    android.applicationVariants.all { variant ->
+        variant.outputs.each { output ->
+            if (output.outputFile != null && output.outputFile.name.endsWith('.apk')) {
+                def name = "${rootDir}/apk/sample.apk"
+                output.outputFile = file(name)
+            }
+        }
+    }
 }
 
 dependencies {
diff --git a/app/src/main/java/com/xw/samlpe/bubbleseekbar/MainActivity.java b/app/src/main/java/com/xw/samlpe/bubbleseekbar/MainActivity.java
index f2e1517..8ada5cc 100644
--- a/app/src/main/java/com/xw/samlpe/bubbleseekbar/MainActivity.java
+++ b/app/src/main/java/com/xw/samlpe/bubbleseekbar/MainActivity.java
@@ -9,6 +9,7 @@
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import com.xw.repo.BubbleSeekBar;
 
@@ -49,7 +50,14 @@ public void onClick(View view) {
             }
         });
 
-        mBubbleSeekBar5.setOnProgressChangedListener(new BubbleSeekBar.OnProgressChangedListener() {
+        mBubbleSeekBar0.setOnProgressChangedListener(new BubbleSeekBar.OnProgressChangedListenerAdapter() {
+            @Override
+            public void getProgressOnActionUp(int progress) {
+                Toast.makeText(MainActivity.this, "progressOnActionUp:" + progress, Toast.LENGTH_SHORT).show();
+            }
+        });
+
+        mBubbleSeekBar5.setOnProgressChangedListener(new BubbleSeekBar.OnProgressChangedListenerAdapter() {
             @Override
             public void onProgressChanged(int progress) {
                 mStringBuilder.delete(0, mStringBuilder.length());
@@ -73,6 +81,13 @@ public void onScrollChanged(ObservableScrollView scrollView, int x, int y, int o
             }
         });
 
+        mBubbleSeekBar6.setOnProgressChangedListener(new BubbleSeekBar.OnProgressChangedListenerAdapter() {
+            @Override
+            public void getProgressOnFinally(int progress) {
+                Toast.makeText(MainActivity.this, "progressOnFinally(int):" + progress, Toast.LENGTH_SHORT).show();
+            }
+        });
+
     }
 
     @Override
diff --git a/sample.apk b/sample.apk
deleted file mode 100644
index 5d429f9..0000000
Binary files a/sample.apk and /dev/null differ