diff --git a/example/build.gradle b/example/build.gradle
index 4ea626c..480a3e5 100644
--- a/example/build.gradle
+++ b/example/build.gradle
@@ -5,7 +5,7 @@ android {
     buildToolsVersion "25.0.2"
     defaultConfig {
         applicationId "com.goodiebag.pinview.example"
-        minSdkVersion 21
+        minSdkVersion 15
         targetSdkVersion 25
         versionCode 1
         versionName "1.0"
diff --git a/example/src/main/java/com/goodiebag/pinview/example/MainActivity.java b/example/src/main/java/com/goodiebag/pinview/example/MainActivity.java
index 1d8b8c2..ac8d515 100644
--- a/example/src/main/java/com/goodiebag/pinview/example/MainActivity.java
+++ b/example/src/main/java/com/goodiebag/pinview/example/MainActivity.java
@@ -19,29 +19,5 @@ public class MainActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-        LinearLayout linearLayout = (LinearLayout) findViewById(R.id.activity_main);
-        pinview1 = (Pinview) findViewById(R.id.pinview1);
-        pinview2 = (Pinview) findViewById(R.id.pinview2);
-        pinview3 = (Pinview) findViewById(R.id.pinview3);
-        pinview4 = (Pinview) findViewById(R.id.pinview4);
-        b = (Button) findViewById(R.id.btn);
-        b.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-//                 int random = ThreadLocalRandom.current().nextInt(50, 60);
-//                random*=getResources().getDisplayMetrics().density;
-//                Log.d("random", "" + random);
-//                pinview1.setPinWidth(random);
-//                pinview2.setPinWidth(random);
-//                pinview3.setPinWidth(random);
-//                pinview4.setPinWidth(random);
-
-                pinview1.setPinBackgroundRes(R.drawable.sample_background);
-                pinview1.setInputType(Pinview.InputType.TEXT);
-                pinview2.setPassword(!pinview2.isPassword());
-                pinview3.setPassword(!pinview3.isPassword());
-                pinview4.setPassword(!pinview4.isPassword());
-            }
-        });
     }
 }
diff --git a/example/src/main/res/layout/activity_main.xml b/example/src/main/res/layout/activity_main.xml
index 61bddfc..ce1535d 100644
--- a/example/src/main/res/layout/activity_main.xml
+++ b/example/src/main/res/layout/activity_main.xml
@@ -11,17 +11,14 @@
     android:paddingRight="@dimen/activity_horizontal_margin"
     android:paddingTop="@dimen/activity_vertical_margin">
 
-    <Button
-        android:id="@+id/btn"
+    <TextView
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:text="set"/>
-
+        android:text="Number"/>
     <com.goodiebag.pinview.Pinview
         android:id="@+id/pinview1"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:background="#CCC"
         app:cursorVisible="false"
         app:hint="0"
         app:inputType="number"
@@ -31,12 +28,14 @@
         app:pinLength="4"
         app:pinWidth="40dp" />
 
-
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Text"/>
     <com.goodiebag.pinview.Pinview
         android:id="@+id/pinview2"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:background="#CCC"
         app:cursorVisible="false"
         app:hint="0"
         app:inputType="text"
@@ -46,29 +45,35 @@
         app:pinLength="4"
         app:pinWidth="40dp" />
 
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Number-Password"/>
     <com.goodiebag.pinview.Pinview
         android:id="@+id/pinview3"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:background="#CCC"
         app:cursorVisible="false"
         app:hint="0"
-        app:inputType="text"
-        app:password="false"
+        app:inputType="number"
+        app:password="true"
         app:pinBackground="@drawable/example_drawable"
         app:pinHeight="40dp"
         app:pinLength="4"
         app:pinWidth="40dp" />
 
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Text-Password"/>
     <com.goodiebag.pinview.Pinview
         android:id="@+id/pinview4"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:background="#CCC"
         app:cursorVisible="false"
         app:hint="0"
-        app:inputType="number"
-        app:password="false"
+        app:inputType="text"
+        app:password="true"
         app:pinBackground="@drawable/example_drawable"
         app:pinHeight="40dp"
         app:pinLength="4"
diff --git a/pinview/src/main/java/com/goodiebag/pinview/Pinview.java b/pinview/src/main/java/com/goodiebag/pinview/Pinview.java
index 79aaabd..404f051 100644
--- a/pinview/src/main/java/com/goodiebag/pinview/Pinview.java
+++ b/pinview/src/main/java/com/goodiebag/pinview/Pinview.java
@@ -78,10 +78,7 @@ public Pinview(Context context, AttributeSet attrs) {
     public Pinview(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
         setGravity(Gravity.CENTER);
-        //init fields and attributes
         init(context, attrs, defStyleAttr);
-        //style and draw it
-        //styleEditText();
     }
 
     private void init(Context context, AttributeSet attrs, int defStyleAttr) {
@@ -131,7 +128,6 @@ private void createEditTexts() {
     private void initAttributes(Context context, AttributeSet attrs, int defStyleAttr) {
         if (attrs != null) {
             final TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.Pinview, defStyleAttr, 0);
-            //array.
             mPinBackground = array.getResourceId(R.styleable.Pinview_pinBackground, mPinBackground);
             mPinLength = array.getInt(R.styleable.Pinview_pinLength, mPinLength);
             mPinHeight = (int) array.getDimension(R.styleable.Pinview_pinHeight, mPinHeight);
@@ -182,18 +178,17 @@ public boolean onTouch(View view, MotionEvent motionEvent) {
             default:
                 it = TYPE_CLASS_TEXT;
         }
-        if (mPassword) {
-            if (inputType == InputType.NUMBER) {
-                it = TYPE_CLASS_NUMBER | TYPE_NUMBER_VARIATION_PASSWORD;
-            } else if (inputType == InputType.TEXT) {
-                it = TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_PASSWORD;
-            }
-        }
+//        if (mPassword) {
+//            if (inputType == InputType.NUMBER) {
+//                it = TYPE_CLASS_NUMBER | TYPE_NUMBER_VARIATION_PASSWORD;
+//            } else if (inputType == InputType.TEXT) {
+//                it = TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_PASSWORD;
+//            }
+//        }
         styleEditText.setInputType(it);
         styleEditText.addTextChangedListener(this);
         styleEditText.setOnFocusChangeListener(this);
         styleEditText.setOnKeyListener(this);
-        //this.addView(styleEditText);
     }
 
     public String getValue() {