fix issues #14

Author: niorgai

.idea/markdown-navigator.xml

@@ -24,7 +24,9 @@ Add the dependency
 ```groovy
 
 	dependencies {
-	        compile 'com.github.niorgai:StatusBarCompat:2.1.1'
+	        compile ('com.github.niorgai:StatusBarCompat:2.1.1', {
+                exclude group: 'com.android.support'
+            })
 	}
 ```
 

.idea/markdown-navigator/profiles_settings.xml

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.2'
+        classpath 'com.android.tools.build:gradle:2.2.3'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -24,13 +24,13 @@ task clean(type: Delete) {
 
 ext {
     configs = [
-            buildToolsVersion : "24.0.2",
-            compileSdkVersion : 24,
-            targetSdkVersion : 24
+            buildToolsVersion : "25.0.1",
+            compileSdkVersion : 25,
+            targetSdkVersion : 25
     ]
 
     libs = [
-            supportVersion : "24.2.1"
+            supportVersion : "25.1.0"
     ]
 }
 

README.md

@@ -186,11 +186,14 @@ static void setStatusBarColorForCollapsingToolbar(Activity activity, final AppBa
             public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
                 if (Math.abs(verticalOffset) > appBarLayout.getHeight() - collapsingToolbarLayout.getScrimVisibleHeightTrigger()) {
                     if (statusView.getAlpha() == 0) {
+                        statusView.animate().cancel();
                         statusView.animate().alpha(1f).setDuration(collapsingToolbarLayout.getScrimAnimationDuration()).start();
                     }
                 } else {
-                    statusView.animate().cancel();
-                    statusView.setAlpha(0);
+                    if (statusView.getAlpha() == 1) {
+                        statusView.animate().cancel();
+                        statusView.animate().alpha(0f).setDuration(collapsingToolbarLayout.getScrimAnimationDuration()).start();
+                    }
                 }
             }
         });

build.gradle

@@ -124,31 +124,40 @@ static void setStatusBarColorForCollapsingToolbar(Activity activity, final AppBa
             toolbar.setTag(true);
         }
 
-        collapsingToolbarLayout.setFitsSystemWindows(false);
         ViewCompat.setOnApplyWindowInsetsListener(collapsingToolbarLayout, new OnApplyWindowInsetsListener() {
             @Override
             public WindowInsetsCompat onApplyWindowInsets(View v, WindowInsetsCompat insets) {
                 return insets;
             }
         });
-        final ValueAnimator animator = ValueAnimator.ofArgb(Color.TRANSPARENT, statusColor)
-                .setDuration(collapsingToolbarLayout.getScrimAnimationDuration());
-        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
-            @Override
-            public void onAnimationUpdate(ValueAnimator animation) {
-                window.setStatusBarColor((Integer) animation.getAnimatedValue());
-            }
-        });
+        collapsingToolbarLayout.setFitsSystemWindows(false);
         appBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
             @Override
             public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
                 if (Math.abs(verticalOffset) > appBarLayout.getHeight() - collapsingToolbarLayout.getScrimVisibleHeightTrigger()) {
-                    if (window.getStatusBarColor() == Color.TRANSPARENT && !animator.isRunning()) {
+                    if (window.getStatusBarColor() == Color.TRANSPARENT) {
+                        ValueAnimator animator = ValueAnimator.ofArgb(Color.TRANSPARENT, statusColor)
+                                .setDuration(collapsingToolbarLayout.getScrimAnimationDuration());
+                        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+                            @Override
+                            public void onAnimationUpdate(ValueAnimator valueAnimator) {
+                                window.setStatusBarColor((Integer) valueAnimator.getAnimatedValue());
+                            }
+                        });
                         animator.start();
                     }
                 } else {
-                    animator.end();
-                    window.setStatusBarColor(Color.TRANSPARENT);
+                    if (window.getStatusBarColor() == statusColor) {
+                        ValueAnimator animator = ValueAnimator.ofArgb(statusColor, Color.TRANSPARENT)
+                                .setDuration(collapsingToolbarLayout.getScrimAnimationDuration());
+                        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+                            @Override
+                            public void onAnimationUpdate(ValueAnimator valueAnimator) {
+                                window.setStatusBarColor((Integer) valueAnimator.getAnimatedValue());
+                            }
+                        });
+                        animator.start();
+                    }
                 }
             }
         });