switching infinite adapter on the fly.

Author: smarteist

app/src/main/java/com/smarteist/imageslider/MainActivity.java

@@ -8,6 +8,7 @@
 
 import com.smarteist.autoimageslider.IndicatorView.PageIndicatorView;
 import com.smarteist.autoimageslider.IndicatorView.animation.type.IndicatorAnimationType;
+import com.smarteist.autoimageslider.IndicatorView.draw.controller.DrawController;
 import com.smarteist.autoimageslider.SliderAnimations;
 import com.smarteist.autoimageslider.SliderView;
 import com.smarteist.imageslider.Model.SliderItem;
@@ -41,12 +42,12 @@ protected void onCreate(Bundle savedInstanceState) {
  sliderView.setAutoCycle(true);
  sliderView.startAutoCycle();
 
- /*sliderView.setOnIndicatorClickListener(new DrawController.ClickListener() {
+ sliderView.setOnIndicatorClickListener(new DrawController.ClickListener() {
  @Override
  public void onIndicatorClicked(int position) {
- sliderView.setCurrentPagePosition(position);
+ sliderView.setInfiniteAdapterEnabled(position % 2 == 0);
  }
- });*/
+ });
 
  }
 

autoimageslider/src/main/java/com/smarteist/autoimageslider/SliderPager.java

@@ -477,7 +477,11 @@ public void setAdapter(PagerAdapter adapter) {
  mObserver = new PagerObserver();
  }
  setAdapterViewPagerObserver(mObserver);
- mAdapter.registerDataSetObserver(mObserver);
+ try {
+ mAdapter.registerDataSetObserver(mObserver);
+ } catch (Exception ignored) {
+ // maybe there is a registered observer
+ }
  mPopulatePending = false;
  final boolean wasFirstLayout = mFirstLayout;
  mFirstLayout = true;

autoimageslider/src/main/java/com/smarteist/autoimageslider/SliderView.java

@@ -13,8 +13,10 @@
 import android.view.View;
 import android.view.animation.Interpolator;
 import android.widget.FrameLayout;
+
 import androidx.annotation.NonNull;
 import androidx.viewpager.widget.PagerAdapter;
+
 import com.smarteist.autoimageslider.IndicatorView.PageIndicatorView;
 import com.smarteist.autoimageslider.IndicatorView.animation.type.IndicatorAnimationType;
 import com.smarteist.autoimageslider.IndicatorView.animation.type.BaseAnimation;
@@ -214,6 +216,7 @@ public void setSliderAdapter(@NonNull SliderViewAdapter pagerAdapter) {
  //registerAdapterDataObserver();
  mSliderPager.setAdapter(mInfinitePagerAdapter);
  mPagerAdapter.dataSetChangedListener(this);
+ // set slider on correct position whether its infinite or not.
  setCurrentPagePosition(0);
  }
 
@@ -225,12 +228,19 @@ public void setSliderAdapter(@NonNull SliderViewAdapter pagerAdapter, boolean in
  this.mIsInfiniteAdapter = infiniteAdapter;
  if (!infiniteAdapter) {
  this.mPagerAdapter = pagerAdapter;
- mSliderPager.setAdapter(pagerAdapter);
+ this.mSliderPager.setAdapter(pagerAdapter);
  } else {
  setSliderAdapter(pagerAdapter);
  }
  }
 
+
+ public void setInfiniteAdapterEnabled(boolean enabled) {
+ if (mPagerAdapter != null) {
+ setSliderAdapter(mPagerAdapter, enabled);
+ }
+ }
+
  /**
  * @return Sliders Pager
  */
@@ -398,6 +408,7 @@ public void setSliderAnimationDuration(int duration, Interpolator interpolator)
  }
 
  /**
+ * This method handles correct position whether slider is on infinite mode or not
  * @param position changes position of slider
  * items manually.
  */