Added feature to allow progress style

Library object now needs to be instantiated

setIsProgressStyle to control progress

.gitignore

@@ -1,5 +1,6 @@
 *.iml
 .gradle
+.idea/
 /local.properties
 /.idea/workspace.xml
 /.idea/libraries

app/src/main/java/com/avontell/pagerindicatorbinderexample/MainActivity.java

@@ -37,11 +37,13 @@ protected void onCreate(Bundle savedInstanceState) {
         int unselectedImage = R.drawable.indicator_unselected;
 
         // Bind the view pager to the indicatorContainer
-        IndicatorBinder.bind(this,
+        IndicatorBinder sample = new IndicatorBinder().bind(this,
                                   viewPager,
                                   indicatorContainer,
                                   selectedImage,
                                   unselectedImage);
+        // Set whether you want a progress style
+        sample.setProgressStyle(true);
 
         // EXAMPLE WITH TABS -----------------------------------------------------------------------
 
@@ -56,7 +58,7 @@ protected void onCreate(Bundle savedInstanceState) {
         tabViews.get(1).setText("Tab 2");
         tabViews.get(2).setText("Tab 3");
         tabViews.get(3).setText("Tab 4");
-        tabViews.get(4).setText("Tab 6");
+        tabViews.get(4).setText("Tab 5");
 
         // Set the requested colors
         int selectedBackgroundColor = R.color.tabBackgroundSelected;
@@ -67,7 +69,7 @@ protected void onCreate(Bundle savedInstanceState) {
         // Grab the LinearLayout
         LinearLayout tabContainer = (LinearLayout) findViewById(R.id.tab_container);
 
-        IndicatorBinder.bindTextTabs(this,
+        new IndicatorBinder().bindTextTabs(this,
                                      viewPager,
                                      tabContainer,
                                      tabViews,

app/src/main/res/layout/activity_main.xml

@@ -11,7 +11,7 @@
         android:orientation="horizontal"
         android:layout_width="match_parent"
         android:layout_height="30dp"
-        android:id="@+id/tab_container"></LinearLayout>
+        android:id="@+id/tab_container"/>
 
     <android.support.v4.view.ViewPager
         android:layout_width="match_parent"

indicatorbinder/src/main/java/com/avontell/pagerindicatorbinder/IndicatorBinder.java

@@ -9,6 +9,8 @@
 import android.view.Gravity;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.animation.Animation;
+import android.view.animation.TranslateAnimation;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.ScrollView;
@@ -25,6 +27,26 @@
  */
 public class IndicatorBinder {
 
+    private boolean isProgressStyle = false;
+
+    /**
+     * Returns if the current indicator is set to progress style or not
+     * @return returns true or false
+     */
+    public boolean isProgressStyle() {
+        return isProgressStyle;
+    }
+
+    /**
+     * Set whether the indicators are set to selected as your swipe through the view pager or not
+     * Currently only setup to work with bind method
+     * Default is false
+     * @param progressStyle boolean for progress style
+     */
+    public void setProgressStyle(boolean progressStyle) {
+        isProgressStyle = progressStyle;
+    }
+
     /**
      * Binds the viewPager to indicatorContainer, such that indicatorContainer has a list of
      * indicators, all displaying the drawable at indicatorOffResource except for the ith child,
@@ -37,7 +59,7 @@ public class IndicatorBinder {
      * @param indicatorOnResource The drawable to display for indicators that are not selected
      * @param indicatorOffResource The drawable to display for the selected indicator
      */
-    public static void bind(@NonNull final Context context,
+    public IndicatorBinder bind(@NonNull final Context context,
                             @NonNull final ViewPager viewPager,
                             @NonNull final ViewGroup indicatorContainer,
                             @DrawableRes final int indicatorOnResource,
@@ -72,11 +94,12 @@ public void onPageSelected(int position) {
 
                 for(int i = 0; i < numItems; i++){
                     ImageView indicator = (ImageView) indicatorContainer.getChildAt(i);
-                    if(i == position){
-                        indicator.setImageDrawable(selected);
+
+                    if(isProgressStyle){
+                        indicator.setImageDrawable((i <= position) ? selected : unselected);
                     }
                     else {
-                        indicator.setImageDrawable(unselected);
+                        indicator.setImageDrawable((i == position) ? selected : unselected);
                     }
                 }
             }
@@ -86,7 +109,7 @@ public void onPageScrollStateChanged(int state) {
 
             }
         });
-
+        return this;
     }
 
     /**
@@ -103,7 +126,7 @@ public void onPageScrollStateChanged(int state) {
      * @param textSelectedColor The text color resource for a selected tab
      * @param textUnselectedColor The text color resource for an unselected tab
      */
-    public static void bindTextTabs(
+    public IndicatorBinder bindTextTabs(
             @NonNull final Context context,
             @NonNull final ViewPager viewPager,
             @NonNull final LinearLayout tabContainer,
@@ -148,7 +171,6 @@ public void onClick(View view) {
             });
 
             tabContainer.addView(tab);
-
         }
 
         // Set listener for ViewPager changes
@@ -178,7 +200,7 @@ public void onPageScrollStateChanged(int state) {
 
             }
         });
-
+        return this;
     }
 
     /**