Merged.

MPChartLib/src/com/github/mikephil/charting/animation/ChartAnimator.java

@@ -5,6 +5,12 @@
 import android.animation.ValueAnimator.AnimatorUpdateListener;
 import android.annotation.SuppressLint;
 
+/**
+ * Object responsible for all animations in the Chart. ANIMATIONS ONLY WORK FOR
+ * API LEVEL 11 (Android 3.0.x) AND HIGHER.
+ * 
+ * @author Philipp Jahoda
+ */
 @SuppressLint("NewApi")
 public class ChartAnimator {
 

MPChartLib/src/com/github/mikephil/charting/charts/Chart.java

@@ -195,7 +195,7 @@ protected void init() {
             mAnimator = new ChartAnimator();
         else
             mAnimator = new ChartAnimator(new AnimatorUpdateListener() {
-                
+
                 @Override
                 public void onAnimationUpdate(ValueAnimator animation) {
                     ViewCompat.postInvalidateOnAnimation(Chart.this);
@@ -993,8 +993,7 @@ protected void drawMarkers() {
 
     /**
      * ################ ################ ################ ################
-     * Animation support below Honeycomb thanks to Jake Wharton's awesome
-     * nineoldandroids library: https://github.com/JakeWharton/NineOldAndroids
+     * ANIMATIONS ONLY WORK FOR API LEVEL 11 (Android 3.0.x) AND HIGHER.
      */
     /** CODE BELOW THIS RELATED TO ANIMATION */
 
@@ -1010,7 +1009,8 @@ public ChartAnimator getAnimator() {
     /**
      * Animates the drawing / rendering of the chart on both x- and y-axis with
      * the specified animation time. If animate(...) is called, no further
-     * calling of invalidate() is necessary to refresh the chart.
+     * calling of invalidate() is necessary to refresh the chart. ANIMATIONS
+     * ONLY WORK FOR API LEVEL 11 (Android 3.0.x) AND HIGHER.
      *
      * @param durationMillisX
      * @param durationMillisY
@@ -1022,7 +1022,8 @@ public void animateXY(int durationMillisX, int durationMillisY) {
     /**
      * Animates the rendering of the chart on the x-axis with the specified
      * animation time. If animate(...) is called, no further calling of
-     * invalidate() is necessary to refresh the chart.
+     * invalidate() is necessary to refresh the chart. ANIMATIONS ONLY WORK FOR
+     * API LEVEL 11 (Android 3.0.x) AND HIGHER.
      *
      * @param durationMillis
      */
@@ -1033,7 +1034,8 @@ public void animateX(int durationMillis) {
     /**
      * Animates the rendering of the chart on the y-axis with the specified
      * animation time. If animate(...) is called, no further calling of
-     * invalidate() is necessary to refresh the chart.
+     * invalidate() is necessary to refresh the chart. ANIMATIONS ONLY WORK FOR
+     * API LEVEL 11 (Android 3.0.x) AND HIGHER.
      *
      * @param durationMillis
      */

README.md

@@ -408,11 +408,11 @@ All chart types support animations that can be used to create / build up the cha
  - `animateXY(int xDuration, int yDuration)`: Animates both horizontal and vertical axis, resulting in a left/right bottom/top build-up.
 
 ```java
-mChart.animateX(3000f); // animate horizontal 3000 milliseconds
+mChart.animateX(3000); // animate horizontal 3000 milliseconds
 // or:
-mChart.animateY(3000f); // animate vertical 3000 milliseconds
+mChart.animateY(3000); // animate vertical 3000 milliseconds
 // or:
-mChart.animateXY(3000f, 3000f); // animate horizontal and vertical 3000 milliseconds
+mChart.animateXY(3000, 3000); // animate horizontal and vertical 3000 milliseconds
 ```
 
 If `animate(...)` (of any kind) is called, no further calling of `invalidate()` is necessary to refresh the chart.