stop an animation on fast subsequent step changes

README.md

@@ -7,7 +7,7 @@ Usage
 -----
 
 1. Add jcenter() to repositories block in your gradle file.
-2. Add `compile 'com.shuhart.stepview:stepview:1.1.0'` to your dependencies.
+2. Add `compile 'com.shuhart.stepview:stepview:1.1.1'` to your dependencies.
 2. Add `StepView` into your layouts or view hierarchy.
 3. Look into the sample for additional details on how to use and configure the library.
 

sample/src/main/java/com/shuhart/stepview/sample/MainActivity.java

@@ -11,6 +11,7 @@
 import java.util.ArrayList;
 
 public class MainActivity extends AppCompatActivity {
+    private int currentStep = 0;
 
     @SuppressLint("SetTextI18n")
     @Override
@@ -27,13 +28,15 @@ protected void onCreate(Bundle savedInstanceState) {
         findViewById(R.id.next).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                stepView.go(stepView.getCurrentStep() + 1, true);
+                currentStep++;
+                stepView.go(currentStep, true);
             }
         });
         findViewById(R.id.back).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                stepView.go(stepView.getCurrentStep() - 1, true);
+                currentStep--;
+                stepView.go(currentStep, true);
             }
         });
     }

stepview/build.gradle

@@ -15,7 +15,7 @@ ext {
     siteUrl = 'https://github.com/shuhart/StepView'
     gitUrl = 'https://github.com/shuhart/StepView.git'
 
-    libraryVersion = '1.1.0'
+    libraryVersion = '1.1.1'
 
     developerId = 'shuhart'
     developerName = 'Redrick Shuhart'

stepview/src/main/java/com/shuhart/stepview/StepView.java

@@ -12,6 +12,7 @@
 import android.support.annotation.IntDef;
 import android.support.annotation.Nullable;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.view.View;
 
 import com.shuhart.stepview.animation.AnimatorListener;
@@ -142,6 +143,7 @@ public void go(int step, boolean animate) {
         if (step >= START_STEP && step < steps.size()) {
             if (animate && animationType != ANIMATION_NONE) {
                 if (Math.abs(step - currentStep) > 1) {
+                    endAnimation();
                     currentStep = step;
                     invalidate();
                 } else {
@@ -157,10 +159,14 @@ public void go(int step, boolean animate) {
         }
     }
 
-    private void animate(final int step) {
+    private void endAnimation() {
         if (animator != null && animator.isRunning()) {
             animator.end();
         }
+    }
+
+    private void animate(final int step) {
+        endAnimation();
         animator = getAnimator(step);
         if (animator == null) {
             return;