diff --git a/README.md b/README.md
index 3ded28d..71ebe86 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,7 @@ Advance
         android:visibility="visible"  //visible or gone
         app:indicatorName="BallPulseIndicator"//Indicator Name
         app:indicatorColor="your color"
+        app:animationDuration="desired duration" // Animation duration in milliseconds. Use this to control animation speed.
         />
 ```
 
diff --git a/app/src/main/java/com/wang/avi/sample/IndicatorActivity.java b/app/src/main/java/com/wang/avi/sample/IndicatorActivity.java
index 94073c6..5e6e78d 100644
--- a/app/src/main/java/com/wang/avi/sample/IndicatorActivity.java
+++ b/app/src/main/java/com/wang/avi/sample/IndicatorActivity.java
@@ -1,9 +1,15 @@
 package com.wang.avi.sample;
 
+import android.content.DialogInterface;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
+import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
+import android.text.InputFilter;
+import android.text.InputType;
+import android.util.TypedValue;
 import android.view.View;
+import android.widget.EditText;
 
 import com.wang.avi.AVLoadingIndicatorView;
 
@@ -21,8 +27,11 @@ protected void onCreate(@Nullable Bundle savedInstanceState) {
         setContentView(R.layout.activity_indicator);
 
         String indicator=getIntent().getStringExtra("indicator");
+        int duration = getIntent().getIntExtra("duration", 0);
         avi= (AVLoadingIndicatorView) findViewById(R.id.avi);
+        avi.setAnimationDuration(duration);
         avi.setIndicator(indicator);
+        setUpDialog();
     }
 
     public void hideClick(View view) {
@@ -34,4 +43,36 @@ public void showClick(View view) {
         avi.show();
         // or avi.smoothToShow();
     }
+
+    public void durationClick(View view) {
+        dialog.show();
+    }
+
+    private EditText editText;
+    private AlertDialog dialog;
+    private void setUpDialog(){
+        editText = new EditText(this);
+        editText.setInputType(InputType.TYPE_CLASS_NUMBER);
+        editText.setFilters(new InputFilter[] {new InputFilter.LengthFilter(5)});
+        int padding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 20,
+                getResources().getDisplayMetrics());
+        dialog = new AlertDialog.Builder(this)
+                .setTitle("Animation duration")
+                .setMessage("Enter desired animation duration in milliseconds.")
+                .setView(editText, padding, padding, padding,  padding)
+                .setPositiveButton("APPLY", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        String duration = editText.getText().toString().trim();
+                        if (!duration.isEmpty()) {
+                            setIntent(getIntent().putExtra("duration", Integer.parseInt(duration)));
+                            recreate();
+                        }
+                    }
+                })
+                .setNegativeButton("CANCEL", null)
+                .create();
+
+    }
+
 }
diff --git a/app/src/main/java/com/wang/avi/sample/MyCustomIndicator.java b/app/src/main/java/com/wang/avi/sample/MyCustomIndicator.java
index 56fe1a0..11d5604 100644
--- a/app/src/main/java/com/wang/avi/sample/MyCustomIndicator.java
+++ b/app/src/main/java/com/wang/avi/sample/MyCustomIndicator.java
@@ -51,7 +51,7 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
 
             ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.3f,1);
 
-            scaleAnim.setDuration(750);
+            scaleAnim.setDuration(getDuration());
             scaleAnim.setRepeatCount(-1);
             scaleAnim.setStartDelay(delays[i]);
 
@@ -68,5 +68,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
-
+    @Override
+    public int getDefaultDuration() {
+        return 750;
+    }
 }
diff --git a/app/src/main/res/layout/activity_indicator.xml b/app/src/main/res/layout/activity_indicator.xml
index 7c87600..7b613f1 100644
--- a/app/src/main/res/layout/activity_indicator.xml
+++ b/app/src/main/res/layout/activity_indicator.xml
@@ -34,6 +34,14 @@
             android:onClick="showClick"
             />
 
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:onClick="durationClick"
+            android:text="DURATION"
+            />
+
         <Button
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
diff --git a/library/src/main/java/com/wang/avi/AVLoadingIndicatorView.java b/library/src/main/java/com/wang/avi/AVLoadingIndicatorView.java
index a5f4abf..480158b 100644
--- a/library/src/main/java/com/wang/avi/AVLoadingIndicatorView.java
+++ b/library/src/main/java/com/wang/avi/AVLoadingIndicatorView.java
@@ -19,9 +19,9 @@
 
 public class AVLoadingIndicatorView extends View {
 
-    private static final String TAG="AVLoadingIndicatorView";
+    private static final String TAG = "AVLoadingIndicatorView";
 
-    private static final BallPulseIndicator DEFAULT_INDICATOR=new BallPulseIndicator();
+    private static final BallPulseIndicator DEFAULT_INDICATOR = new BallPulseIndicator();
 
     private static final int MIN_SHOW_TIME = 500; // ms
     private static final int MIN_DELAY = 500; // ms
@@ -63,31 +63,32 @@ public void run() {
 
     private Indicator mIndicator;
     private int mIndicatorColor;
+    private int mAnimationDuration;
 
     private boolean mShouldStartAnimationDrawable;
 
     public AVLoadingIndicatorView(Context context) {
         super(context);
-        init(context, null,0,0);
+        init(context, null, 0, 0);
     }
 
     public AVLoadingIndicatorView(Context context, AttributeSet attrs) {
         super(context, attrs);
-        init(context, attrs,0,R.style.AVLoadingIndicatorView);
+        init(context, attrs, 0, R.style.AVLoadingIndicatorView);
     }
 
     public AVLoadingIndicatorView(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
-        init(context, attrs,defStyleAttr,R.style.AVLoadingIndicatorView);
+        init(context, attrs, defStyleAttr, R.style.AVLoadingIndicatorView);
     }
 
     @TargetApi(Build.VERSION_CODES.LOLLIPOP)
     public AVLoadingIndicatorView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
         super(context, attrs, defStyleAttr, defStyleRes);
-        init(context,attrs,defStyleAttr,R.style.AVLoadingIndicatorView);
+        init(context, attrs, defStyleAttr, R.style.AVLoadingIndicatorView);
     }
 
-    private void init(Context context,AttributeSet attrs,int defStyleAttr, int defStyleRes) {
+    private void init(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
         mMinWidth = 24;
         mMaxWidth = 48;
         mMinHeight = 24;
@@ -100,10 +101,11 @@ private void init(Context context,AttributeSet attrs,int defStyleAttr, int defSt
         mMaxWidth = a.getDimensionPixelSize(R.styleable.AVLoadingIndicatorView_maxWidth, mMaxWidth);
         mMinHeight = a.getDimensionPixelSize(R.styleable.AVLoadingIndicatorView_minHeight, mMinHeight);
         mMaxHeight = a.getDimensionPixelSize(R.styleable.AVLoadingIndicatorView_maxHeight, mMaxHeight);
-        String indicatorName=a.getString(R.styleable.AVLoadingIndicatorView_indicatorName);
-        mIndicatorColor=a.getColor(R.styleable.AVLoadingIndicatorView_indicatorColor, Color.WHITE);
+        String indicatorName = a.getString(R.styleable.AVLoadingIndicatorView_indicatorName);
+        mIndicatorColor = a.getColor(R.styleable.AVLoadingIndicatorView_indicatorColor, Color.WHITE);
+        mAnimationDuration = a.getInteger(R.styleable.AVLoadingIndicatorView_animationDuration, 0);
         setIndicator(indicatorName);
-        if (mIndicator==null){
+        if (mIndicator == null) {
             setIndicator(DEFAULT_INDICATOR);
         }
         a.recycle();
@@ -123,6 +125,7 @@ public void setIndicator(Indicator d) {
             mIndicator = d;
             //need to set indicator color again if you didn't specified when you update the indicator .
             setIndicatorColor(mIndicatorColor);
+            setAnimationDuration(mAnimationDuration);
             if (d != null) {
                 d.setCallback(this);
             }
@@ -130,6 +133,11 @@ public void setIndicator(Indicator d) {
         }
     }
 
+    public void setAnimationDuration(int duration) {
+        this.mAnimationDuration = duration;
+        mIndicator.setDuration(duration);
+    }
+
 
     /**
      * setIndicatorColor(0xFF00FF00)
@@ -141,10 +149,11 @@ public void setIndicator(Indicator d) {
      * setIndicatorColor(0xFF00FF00)
      * or
      * setIndicatorColor(getResources().getColor(android.R.color.black))
+     *
      * @param color
      */
-    public void setIndicatorColor(int color){
-        this.mIndicatorColor=color;
+    public void setIndicatorColor(int color) {
+        this.mIndicatorColor = color;
         mIndicator.setColor(color);
     }
 
@@ -155,15 +164,16 @@ public void setIndicatorColor(int color){
      * 1. Only class Name,like "SimpleIndicator".(This way would use default package name with
      * "com.wang.avi.indicators")
      * 2. Class name with full package,like "com.my.android.indicators.SimpleIndicator".
+     *
      * @param indicatorName the class must be extend Indicator .
      */
-    public void setIndicator(String indicatorName){
-        if (TextUtils.isEmpty(indicatorName)){
+    public void setIndicator(String indicatorName) {
+        if (TextUtils.isEmpty(indicatorName)) {
             return;
         }
-        StringBuilder drawableClassName=new StringBuilder();
-        if (!indicatorName.contains(".")){
-            String defaultPackageName=getClass().getPackage().getName();
+        StringBuilder drawableClassName = new StringBuilder();
+        if (!indicatorName.contains(".")) {
+            String defaultPackageName = getClass().getPackage().getName();
             drawableClassName.append(defaultPackageName)
                     .append(".indicators")
                     .append(".");
@@ -174,7 +184,7 @@ public void setIndicator(String indicatorName){
             Indicator indicator = (Indicator) drawableClass.newInstance();
             setIndicator(indicator);
         } catch (ClassNotFoundException e) {
-            Log.e(TAG,"Didn't find your class , check the name again !");
+            Log.e(TAG, "Didn't find your class , check the name again !");
         } catch (InstantiationException e) {
             e.printStackTrace();
         } catch (IllegalAccessException e) {
@@ -182,13 +192,13 @@ public void setIndicator(String indicatorName){
         }
     }
 
-    public void smoothToShow(){
-        startAnimation(AnimationUtils.loadAnimation(getContext(),android.R.anim.fade_in));
+    public void smoothToShow() {
+        startAnimation(AnimationUtils.loadAnimation(getContext(), android.R.anim.fade_in));
         setVisibility(VISIBLE);
     }
 
-    public void smoothToHide(){
-        startAnimation(AnimationUtils.loadAnimation(getContext(),android.R.anim.fade_out));
+    public void smoothToHide() {
+        startAnimation(AnimationUtils.loadAnimation(getContext(), android.R.anim.fade_out));
         setVisibility(GONE);
     }
 
diff --git a/library/src/main/java/com/wang/avi/Indicator.java b/library/src/main/java/com/wang/avi/Indicator.java
index dfac444..2109c9d 100644
--- a/library/src/main/java/com/wang/avi/Indicator.java
+++ b/library/src/main/java/com/wang/avi/Indicator.java
@@ -19,7 +19,7 @@
 
 public abstract class Indicator extends Drawable implements Animatable {
 
-    private HashMap<ValueAnimator,ValueAnimator.AnimatorUpdateListener> mUpdateListeners=new HashMap<>();
+    private HashMap<ValueAnimator, ValueAnimator.AnimatorUpdateListener> mUpdateListeners = new HashMap<>();
 
     private ArrayList<ValueAnimator> mAnimators;
     private int alpha = 255;
@@ -27,10 +27,11 @@ public abstract class Indicator extends Drawable implements Animatable {
     protected Rect drawBounds = ZERO_BOUNDS_RECT;
 
     private boolean mHasAnimators;
+    private int mDuration;
 
-    private Paint mPaint=new Paint();
+    private Paint mPaint = new Paint();
 
-    public Indicator(){
+    public Indicator() {
         mPaint.setColor(Color.WHITE);
         mPaint.setStyle(Paint.Style.FILL);
         mPaint.setAntiAlias(true);
@@ -66,7 +67,7 @@ public void setColorFilter(ColorFilter colorFilter) {
 
     @Override
     public void draw(Canvas canvas) {
-        draw(canvas,mPaint);
+        draw(canvas, mPaint);
     }
 
     public abstract void draw(Canvas canvas, Paint paint);
@@ -95,8 +96,8 @@ private void startAnimators() {
 
             //when the animator restart , add the updateListener again because they
             // was removed by animator stop .
-            ValueAnimator.AnimatorUpdateListener updateListener=mUpdateListeners.get(animator);
-            if (updateListener!=null){
+            ValueAnimator.AnimatorUpdateListener updateListener = mUpdateListeners.get(animator);
+            if (updateListener != null) {
                 animator.addUpdateListener(updateListener);
             }
 
@@ -105,7 +106,7 @@ private void startAnimators() {
     }
 
     private void stopAnimators() {
-        if (mAnimators!=null){
+        if (mAnimators != null) {
             for (ValueAnimator animator : mAnimators) {
                 if (animator != null && animator.isStarted()) {
                     animator.removeAllUpdateListeners();
@@ -143,13 +144,14 @@ public boolean isRunning() {
     }
 
     /**
-     *  Your should use this to add AnimatorUpdateListener when
-     *  create animator , otherwise , animator doesn't work when
-     *  the animation restart .
+     * Your should use this to add AnimatorUpdateListener when
+     * create animator , otherwise , animator doesn't work when
+     * the animation restart .
+     *
      * @param updateListener
      */
-    public void addUpdateListener(ValueAnimator animator, ValueAnimator.AnimatorUpdateListener updateListener){
-        mUpdateListeners.put(animator,updateListener);
+    public void addUpdateListener(ValueAnimator animator, ValueAnimator.AnimatorUpdateListener updateListener) {
+        mUpdateListeners.put(animator, updateListener);
     }
 
     @Override
@@ -166,7 +168,7 @@ public void setDrawBounds(int left, int top, int right, int bottom) {
         this.drawBounds = new Rect(left, top, right, bottom);
     }
 
-    public void postInvalidate(){
+    public void postInvalidate() {
         invalidateSelf();
     }
 
@@ -174,28 +176,49 @@ public Rect getDrawBounds() {
         return drawBounds;
     }
 
-    public int getWidth(){
+    public int getWidth() {
         return drawBounds.width();
     }
 
-    public int getHeight(){
+    public int getHeight() {
         return drawBounds.height();
     }
 
-    public int centerX(){
+    public int centerX() {
         return drawBounds.centerX();
     }
 
-    public int centerY(){
+    public int centerY() {
         return drawBounds.centerY();
     }
 
-    public float exactCenterX(){
+    public float exactCenterX() {
         return drawBounds.exactCenterX();
     }
 
-    public float exactCenterY(){
+    public float exactCenterY() {
         return drawBounds.exactCenterY();
     }
 
+    public void setDuration(int duration) {
+        this.mDuration = duration;
+    }
+
+    public int getDuration() {
+        if (mDuration<=0) {
+            return getDefaultDuration();
+        }
+        return mDuration;
+    }
+
+    public abstract int getDefaultDuration();
+
+    /**
+     * This is used to multiply the delays so they will be
+     * in sync with the duration values.
+     * @return the multiplier.
+     */
+    public float getMultiplier() {
+        return getDuration() / getDefaultDuration();
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallBeatIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallBeatIndicator.java
index a8a6e15..47c6aa3 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallBeatIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallBeatIndicator.java
@@ -49,9 +49,9 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
         for (int i = 0; i < 3; i++) {
             final int index=i;
             ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.75f,1);
-            scaleAnim.setDuration(700);
+            scaleAnim.setDuration(getDuration());
             scaleAnim.setRepeatCount(-1);
-            scaleAnim.setStartDelay(delays[i]);
+            scaleAnim.setStartDelay((long) (delays[i]*getMultiplier()));
             addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
                 public void onAnimationUpdate(ValueAnimator animation) {
@@ -61,9 +61,9 @@ public void onAnimationUpdate(ValueAnimator animation) {
             });
 
             ValueAnimator alphaAnim=ValueAnimator.ofInt(255,51,255);
-            alphaAnim.setDuration(700);
+            alphaAnim.setDuration(getDuration());
             alphaAnim.setRepeatCount(-1);
-            alphaAnim.setStartDelay(delays[i]);
+            alphaAnim.setStartDelay((long) (delays[i]*getMultiplier()));
             addUpdateListener(alphaAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
                 public void onAnimationUpdate(ValueAnimator animation) {
@@ -78,4 +78,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
     }
 
 
+    @Override
+    public int getDefaultDuration() {
+        return 700;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallClipRotateIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallClipRotateIndicator.java
index 5d65321..415e551 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallClipRotateIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallClipRotateIndicator.java
@@ -35,7 +35,7 @@ public void draw(Canvas canvas, Paint paint) {
     public ArrayList<ValueAnimator> onCreateAnimators() {
         ArrayList<ValueAnimator> animators=new ArrayList<>();
         ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.6f,0.5f,1);
-        scaleAnim.setDuration(750);
+        scaleAnim.setDuration(getDuration());
         scaleAnim.setRepeatCount(-1);
         addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -45,7 +45,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
             }
         });
         ValueAnimator rotateAnim=ValueAnimator.ofFloat(0,180,360);
-        rotateAnim.setDuration(750);
+        rotateAnim.setDuration(getDuration());
         rotateAnim.setRepeatCount(-1);
         addUpdateListener(rotateAnim,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -59,4 +59,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 750;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallClipRotateMultipleIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallClipRotateMultipleIndicator.java
index 2c59506..9a6ab3a 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallClipRotateMultipleIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallClipRotateMultipleIndicator.java
@@ -55,7 +55,7 @@ public void draw(Canvas canvas, Paint paint) {
     public ArrayList<ValueAnimator> onCreateAnimators() {
         ArrayList<ValueAnimator> animators=new ArrayList<>();
         ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.6f,1);
-        scaleAnim.setDuration(1000);
+        scaleAnim.setDuration(getDuration());
         scaleAnim.setRepeatCount(-1);
         addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -66,7 +66,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
         });
 
         ValueAnimator rotateAnim=ValueAnimator.ofFloat(0, 180,360);
-        rotateAnim.setDuration(1000);
+        rotateAnim.setDuration(getDuration());
         rotateAnim.setRepeatCount(-1);
         addUpdateListener(rotateAnim,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -80,4 +80,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 1000;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallClipRotatePulseIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallClipRotatePulseIndicator.java
index 3687ed3..fbeae33 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallClipRotatePulseIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallClipRotatePulseIndicator.java
@@ -50,7 +50,7 @@ public void draw(Canvas canvas, Paint paint) {
     @Override
     public ArrayList<ValueAnimator> onCreateAnimators() {
         ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.3f,1);
-        scaleAnim.setDuration(1000);
+        scaleAnim.setDuration(getDuration());
         scaleAnim.setRepeatCount(-1);
         addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -61,7 +61,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
         });
 
         ValueAnimator scaleAnim2=ValueAnimator.ofFloat(1,0.6f,1);
-        scaleAnim2.setDuration(1000);
+        scaleAnim2.setDuration(getDuration());
         scaleAnim2.setRepeatCount(-1);
         addUpdateListener(scaleAnim2,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -72,7 +72,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
         });
 
         ValueAnimator rotateAnim=ValueAnimator.ofFloat(0, 180,360);
-        rotateAnim.setDuration(1000);
+        rotateAnim.setDuration(getDuration());
         rotateAnim.setRepeatCount(-1);
         addUpdateListener(rotateAnim,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -88,5 +88,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
-
+    @Override
+    public int getDefaultDuration() {
+        return 1000;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallGridBeatIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallGridBeatIndicator.java
index c115c6a..2388214 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallGridBeatIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallGridBeatIndicator.java
@@ -45,19 +45,22 @@ public void draw(Canvas canvas, Paint paint) {
         }
     }
 
+    private int[] durations={960, 930, 1190, 1130, 1340, 940, 1200, 820, 1190};
     @Override
     public ArrayList<ValueAnimator> onCreateAnimators() {
         ArrayList<ValueAnimator> animators=new ArrayList<>();
 
-        int[] durations={960, 930, 1190, 1130, 1340, 940, 1200, 820, 1190};
         int[] delays= {360, 400, 680, 410, 710, -150, -120, 10, 320};
 
+        float durationsMultiplier = getDuration()/durations[0];
+        float delaysMultiplier = getDuration()/delays[0];
+
         for (int i = 0; i < 9; i++) {
             final int index=i;
             ValueAnimator alphaAnim=ValueAnimator.ofInt(255, 168,255);
-            alphaAnim.setDuration(durations[i]);
+            alphaAnim.setDuration((long) (durations[i]*durationsMultiplier));
             alphaAnim.setRepeatCount(-1);
-            alphaAnim.setStartDelay(delays[i]);
+            alphaAnim.setStartDelay((long) (delays[i]*delaysMultiplier));
             addUpdateListener(alphaAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
                 public void onAnimationUpdate(ValueAnimator animation) {
@@ -71,6 +74,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
     }
 
 
-
-
+    @Override
+    public int getDefaultDuration() {
+        return durations[0];
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallGridPulseIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallGridPulseIndicator.java
index e0f043f..0d1f07c 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallGridPulseIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallGridPulseIndicator.java
@@ -60,18 +60,21 @@ public void draw(Canvas canvas, Paint paint) {
         }
     }
 
+    private int[] durations={720, 1020, 1280, 1420, 1450, 1180, 870, 1450, 1060};
     @Override
     public ArrayList<ValueAnimator> onCreateAnimators() {
         ArrayList<ValueAnimator> animators=new ArrayList<>();
-        int[] durations={720, 1020, 1280, 1420, 1450, 1180, 870, 1450, 1060};
         int[] delays= {-60, 250, -170, 480, 310, 30, 460, 780, 450};
 
+        float durationsMultiplier = getDuration()/durations[0];
+        float delaysMultiplier = getDuration()/delays[0];
+
         for (int i = 0; i < 9; i++) {
             final int index=i;
             ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.5f,1);
-            scaleAnim.setDuration(durations[i]);
+            scaleAnim.setDuration((long) (durations[i]*durationsMultiplier));
             scaleAnim.setRepeatCount(-1);
-            scaleAnim.setStartDelay(delays[i]);
+            scaleAnim.setStartDelay((long) (delays[i]*delaysMultiplier));
             addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
                 public void onAnimationUpdate(ValueAnimator animation) {
@@ -81,9 +84,9 @@ public void onAnimationUpdate(ValueAnimator animation) {
             });
 
             ValueAnimator alphaAnim=ValueAnimator.ofInt(255, 210, 122, 255);
-            alphaAnim.setDuration(durations[i]);
+            alphaAnim.setDuration((long) (durations[i]*durationsMultiplier));
             alphaAnim.setRepeatCount(-1);
-            alphaAnim.setStartDelay(delays[i]);
+            alphaAnim.setStartDelay((long) (delays[i]*delaysMultiplier));
             addUpdateListener(alphaAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
                 public void onAnimationUpdate(ValueAnimator animation) {
@@ -97,4 +100,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return durations[0];
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallPulseIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallPulseIndicator.java
index eef80b0..c2a91c2 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallPulseIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallPulseIndicator.java
@@ -47,9 +47,9 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
 
             ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.3f,1);
 
-            scaleAnim.setDuration(750);
+            scaleAnim.setDuration(getDuration());
             scaleAnim.setRepeatCount(-1);
-            scaleAnim.setStartDelay(delays[i]);
+            scaleAnim.setStartDelay((long) (delays[i]*getMultiplier()));
 
             addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
@@ -63,5 +63,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
-
+    @Override
+    public int getDefaultDuration() {
+        return 750;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallPulseRiseIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallPulseRiseIndicator.java
index afc48ce..e6c2aed 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallPulseRiseIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallPulseRiseIndicator.java
@@ -61,9 +61,13 @@ public void onAnimationUpdate(ValueAnimator animation) {
         });
         animator.setInterpolator(new LinearInterpolator());
         animator.setRepeatCount(-1);
-        animator.setDuration(1500);
+        animator.setDuration(getDuration());
         animators.add(animator);
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 1500;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallPulseSyncIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallPulseSyncIndicator.java
index 862f92d..c0fe792 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallPulseSyncIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallPulseSyncIndicator.java
@@ -38,9 +38,9 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
         for (int i = 0; i < 3; i++) {
             final int index=i;
             ValueAnimator scaleAnim=ValueAnimator.ofFloat(getHeight()/2,getHeight()/2-radius*2,getHeight()/2);
-            scaleAnim.setDuration(600);
+            scaleAnim.setDuration(getDuration());
             scaleAnim.setRepeatCount(-1);
-            scaleAnim.setStartDelay(delays[i]);
+            scaleAnim.setStartDelay((long) (delays[i]*getMultiplier()));
             addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
                 public void onAnimationUpdate(ValueAnimator animation) {
@@ -53,5 +53,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
-
+    @Override
+    public int getDefaultDuration() {
+        return 600;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallRotateIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallRotateIndicator.java
index de4d25b..b03af4c 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallRotateIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallRotateIndicator.java
@@ -60,7 +60,7 @@ public void draw(Canvas canvas, Paint paint) {
     public ArrayList<ValueAnimator> onCreateAnimators() {
         ArrayList<ValueAnimator> animators=new ArrayList<>();
         ValueAnimator scaleAnim=ValueAnimator.ofFloat(0.5f,1,0.5f);
-        scaleAnim.setDuration(1000);
+        scaleAnim.setDuration(getDuration());
         scaleAnim.setRepeatCount(-1);
         addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -78,7 +78,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
                 postInvalidate();
             }
         });
-        rotateAnim.setDuration(1000);
+        rotateAnim.setDuration(getDuration());
         rotateAnim.setRepeatCount(-1);
 
         animators.add(scaleAnim);
@@ -86,4 +86,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 1000;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallScaleIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallScaleIndicator.java
index 3e52f7c..e77cc0e 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallScaleIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallScaleIndicator.java
@@ -31,7 +31,7 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
         ArrayList<ValueAnimator> animators=new ArrayList<>();
         ValueAnimator scaleAnim=ValueAnimator.ofFloat(0,1);
         scaleAnim.setInterpolator(new LinearInterpolator());
-        scaleAnim.setDuration(1000);
+        scaleAnim.setDuration(getDuration());
         scaleAnim.setRepeatCount(-1);
         addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -43,7 +43,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
 
         ValueAnimator alphaAnim=ValueAnimator.ofInt(255, 0);
         alphaAnim.setInterpolator(new LinearInterpolator());
-        alphaAnim.setDuration(1000);
+        alphaAnim.setDuration(getDuration());
         alphaAnim.setRepeatCount(-1);
         addUpdateListener(alphaAnim,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -57,4 +57,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 1000;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallScaleMultipleIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallScaleMultipleIndicator.java
index 43d4aaa..c0dc78f 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallScaleMultipleIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallScaleMultipleIndicator.java
@@ -35,7 +35,7 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
             final int index=i;
             ValueAnimator scaleAnim=ValueAnimator.ofFloat(0,1);
             scaleAnim.setInterpolator(new LinearInterpolator());
-            scaleAnim.setDuration(1000);
+            scaleAnim.setDuration(getDuration());
             scaleAnim.setRepeatCount(-1);
             addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
@@ -44,11 +44,11 @@ public void onAnimationUpdate(ValueAnimator animation) {
                     postInvalidate();
                 }
             });
-            scaleAnim.setStartDelay(delays[i]);
+            scaleAnim.setStartDelay((long) (delays[i]*getMultiplier()));
 
             ValueAnimator alphaAnim=ValueAnimator.ofInt(255,0);
             alphaAnim.setInterpolator(new LinearInterpolator());
-            alphaAnim.setDuration(1000);
+            alphaAnim.setDuration(getDuration());
             alphaAnim.setRepeatCount(-1);
             addUpdateListener(alphaAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
@@ -57,7 +57,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
                     postInvalidate();
                 }
             });
-            scaleAnim.setStartDelay(delays[i]);
+            scaleAnim.setStartDelay((long) (delays[i]*getMultiplier()));
 
             animators.add(scaleAnim);
             animators.add(alphaAnim);
@@ -65,4 +65,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 1000;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallScaleRippleIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallScaleRippleIndicator.java
index d791f71..4afc4d1 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallScaleRippleIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallScaleRippleIndicator.java
@@ -26,7 +26,7 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
         ArrayList<ValueAnimator> animators=new ArrayList<>();
         ValueAnimator scaleAnim=ValueAnimator.ofFloat(0,1);
         scaleAnim.setInterpolator(new LinearInterpolator());
-        scaleAnim.setDuration(1000);
+        scaleAnim.setDuration(getDuration());
         scaleAnim.setRepeatCount(-1);
         addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -38,7 +38,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
 
         ValueAnimator alphaAnim=ValueAnimator.ofInt(0, 255);
         alphaAnim.setInterpolator(new LinearInterpolator());
-        alphaAnim.setDuration(1000);
+        alphaAnim.setDuration(getDuration());
         alphaAnim.setRepeatCount(-1);
         addUpdateListener(alphaAnim,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -53,4 +53,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 1000;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallScaleRippleMultipleIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallScaleRippleMultipleIndicator.java
index 5dc132b..e1dc069 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallScaleRippleMultipleIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallScaleRippleMultipleIndicator.java
@@ -29,7 +29,7 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
             final int index=i;
             ValueAnimator scaleAnim=ValueAnimator.ofFloat(0,1);
             scaleAnim.setInterpolator(new LinearInterpolator());
-            scaleAnim.setDuration(1000);
+            scaleAnim.setDuration(getDuration());
             scaleAnim.setRepeatCount(-1);
             addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
@@ -38,11 +38,11 @@ public void onAnimationUpdate(ValueAnimator animation) {
                     postInvalidate();
                 }
             });
-            scaleAnim.setStartDelay(delays[i]);
+            scaleAnim.setStartDelay((long) (delays[i]*getMultiplier()));
 
             ValueAnimator alphaAnim=ValueAnimator.ofInt(0,255);
             scaleAnim.setInterpolator(new LinearInterpolator());
-            alphaAnim.setDuration(1000);
+            alphaAnim.setDuration(getDuration());
             alphaAnim.setRepeatCount(-1);
             addUpdateListener(alphaAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
@@ -51,7 +51,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
                     postInvalidate();
                 }
             });
-            scaleAnim.setStartDelay(delays[i]);
+            scaleAnim.setStartDelay((long) (delays[i]*getMultiplier()));
 
             animators.add(scaleAnim);
             animators.add(alphaAnim);
@@ -59,4 +59,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 1000;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallSpinFadeLoaderIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallSpinFadeLoaderIndicator.java
index d93fbb3..31c6a73 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallSpinFadeLoaderIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallSpinFadeLoaderIndicator.java
@@ -57,9 +57,9 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
         for (int i = 0; i < 8; i++) {
             final int index=i;
             ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.4f,1);
-            scaleAnim.setDuration(1000);
+            scaleAnim.setDuration(getDuration());
             scaleAnim.setRepeatCount(-1);
-            scaleAnim.setStartDelay(delays[i]);
+            scaleAnim.setStartDelay((long) (delays[i]*getMultiplier()));
             addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
                 public void onAnimationUpdate(ValueAnimator animation) {
@@ -69,9 +69,9 @@ public void onAnimationUpdate(ValueAnimator animation) {
             });
 
             ValueAnimator alphaAnim=ValueAnimator.ofInt(255, 77, 255);
-            alphaAnim.setDuration(1000);
+            alphaAnim.setDuration(getDuration());
             alphaAnim.setRepeatCount(-1);
-            alphaAnim.setStartDelay(delays[i]);
+            alphaAnim.setStartDelay((long) (delays[i]*getMultiplier()));
             addUpdateListener(alphaAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
                 public void onAnimationUpdate(ValueAnimator animation) {
@@ -110,5 +110,8 @@ public Point(float x, float y){
         }
     }
 
-
+    @Override
+    public int getDefaultDuration() {
+        return 1000;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallTrianglePathIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallTrianglePathIndicator.java
index 1a3a9ba..cc82851 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallTrianglePathIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallTrianglePathIndicator.java
@@ -48,7 +48,7 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
                 translateYAnim=ValueAnimator.ofFloat(getHeight()-startY,startY,getHeight()-startY,getHeight()-startY);
             }
 
-            translateXAnim.setDuration(2000);
+            translateXAnim.setDuration(getDuration());
             translateXAnim.setInterpolator(new LinearInterpolator());
                 translateXAnim.setRepeatCount(-1);
             addUpdateListener(translateXAnim,new ValueAnimator.AnimatorUpdateListener() {
@@ -59,7 +59,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
                 }
             });
 
-            translateYAnim.setDuration(2000);
+            translateYAnim.setDuration(getDuration());
             translateYAnim.setInterpolator(new LinearInterpolator());
             translateYAnim.setRepeatCount(-1);
             addUpdateListener(translateYAnim,new ValueAnimator.AnimatorUpdateListener() {
@@ -76,5 +76,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
-
+    @Override
+    public int getDefaultDuration() {
+        return 2000;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallZigZagDeflectIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallZigZagDeflectIndicator.java
index 93aec2e..d14c289 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallZigZagDeflectIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallZigZagDeflectIndicator.java
@@ -29,7 +29,7 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
                 translateYAnim=ValueAnimator.ofFloat(getHeight()-startY,getHeight()-startY,startY,startY,getHeight()-startY);
             }
 
-            translateXAnim.setDuration(2000);
+            translateXAnim.setDuration(getDuration());
             translateXAnim.setInterpolator(new LinearInterpolator());
             translateXAnim.setRepeatCount(-1);
             addUpdateListener(translateXAnim,new ValueAnimator.AnimatorUpdateListener() {
@@ -40,7 +40,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
                 }
             });
 
-            translateYAnim.setDuration(2000);
+            translateYAnim.setDuration(getDuration());
             translateYAnim.setInterpolator(new LinearInterpolator());
             translateYAnim.setRepeatCount(-1);
             addUpdateListener(translateYAnim,new ValueAnimator.AnimatorUpdateListener() {
@@ -57,4 +57,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 2000;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/BallZigZagIndicator.java b/library/src/main/java/com/wang/avi/indicators/BallZigZagIndicator.java
index d01c8ff..45657fa 100644
--- a/library/src/main/java/com/wang/avi/indicators/BallZigZagIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/BallZigZagIndicator.java
@@ -43,7 +43,7 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
                 translateYAnim=ValueAnimator.ofFloat(getHeight()-startY,getHeight()-startY,getHeight()/2,getHeight()-startY);
             }
 
-            translateXAnim.setDuration(1000);
+            translateXAnim.setDuration(getDuration());
             translateXAnim.setInterpolator(new LinearInterpolator());
             translateXAnim.setRepeatCount(-1);
             addUpdateListener(translateXAnim,new ValueAnimator.AnimatorUpdateListener() {
@@ -54,7 +54,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
                 }
             });
 
-            translateYAnim.setDuration(1000);
+            translateYAnim.setDuration(getDuration());
             translateYAnim.setInterpolator(new LinearInterpolator());
             translateYAnim.setRepeatCount(-1);
             addUpdateListener(translateYAnim,new ValueAnimator.AnimatorUpdateListener() {
@@ -70,4 +70,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 1000;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/CubeTransitionIndicator.java b/library/src/main/java/com/wang/avi/indicators/CubeTransitionIndicator.java
index 181024f..9b23b67 100644
--- a/library/src/main/java/com/wang/avi/indicators/CubeTransitionIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/CubeTransitionIndicator.java
@@ -46,7 +46,7 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
                 translationXAnim=ValueAnimator.ofFloat(getWidth()-startX,startX,startX, getWidth()-startX,getWidth()-startX);
             }
             translationXAnim.setInterpolator(new LinearInterpolator());
-            translationXAnim.setDuration(1600);
+            translationXAnim.setDuration(getDuration());
             translationXAnim.setRepeatCount(-1);
             translationXAnim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
                 @Override
@@ -60,7 +60,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
             if (i==1){
                 translationYAnim=ValueAnimator.ofFloat(getHeight()-startY,getHeight()-startY,startY,startY,getHeight()-startY);
             }
-            translationYAnim.setDuration(1600);
+            translationYAnim.setDuration(getDuration());
             translationYAnim.setInterpolator(new LinearInterpolator());
             translationYAnim.setRepeatCount(-1);
             addUpdateListener(translationYAnim,new ValueAnimator.AnimatorUpdateListener() {
@@ -76,7 +76,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
         }
 
         ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.5f,1,0.5f,1);
-        scaleAnim.setDuration(1600);
+        scaleAnim.setDuration(getDuration());
         scaleAnim.setInterpolator(new LinearInterpolator());
         scaleAnim.setRepeatCount(-1);
         addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
@@ -88,7 +88,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
         });
 
         ValueAnimator rotateAnim=ValueAnimator.ofFloat(0,180,360,1.5f*360,2*360);
-        rotateAnim.setDuration(1600);
+        rotateAnim.setDuration(getDuration());
         rotateAnim.setInterpolator(new LinearInterpolator());
         rotateAnim.setRepeatCount(-1);
         addUpdateListener(rotateAnim,new ValueAnimator.AnimatorUpdateListener() {
@@ -103,4 +103,9 @@ public void onAnimationUpdate(ValueAnimator animation) {
         animators.add(rotateAnim);
         return animators;
     }
+
+    @Override
+    public int getDefaultDuration() {
+        return 1600;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/LineScaleIndicator.java b/library/src/main/java/com/wang/avi/indicators/LineScaleIndicator.java
index 83bfe86..f5bf6b3 100644
--- a/library/src/main/java/com/wang/avi/indicators/LineScaleIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/LineScaleIndicator.java
@@ -43,9 +43,9 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
         for (int i = 0; i < 5; i++) {
             final int index=i;
             ValueAnimator scaleAnim=ValueAnimator.ofFloat(1, 0.4f, 1);
-            scaleAnim.setDuration(1000);
+            scaleAnim.setDuration(getDuration());
             scaleAnim.setRepeatCount(-1);
-            scaleAnim.setStartDelay(delays[i]);
+            scaleAnim.setStartDelay((long) (delays[i]*getMultiplier()));
             addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
                 public void onAnimationUpdate(ValueAnimator animation) {
@@ -58,4 +58,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 1000;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/LineScalePartyIndicator.java b/library/src/main/java/com/wang/avi/indicators/LineScalePartyIndicator.java
index b316e23..8c783a3 100644
--- a/library/src/main/java/com/wang/avi/indicators/LineScalePartyIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/LineScalePartyIndicator.java
@@ -36,18 +36,21 @@ public void draw(Canvas canvas, Paint paint) {
         }
     }
 
-
+    private int[] durations={1260, 430, 1010, 730};
     @Override
     public ArrayList<ValueAnimator> onCreateAnimators() {
         ArrayList<ValueAnimator> animators=new ArrayList<>();
-        long[] durations=new long[]{1260, 430, 1010, 730};
-        long[] delays=new long[]{770, 290, 280, 740};
+        int[] delays={770, 290, 280, 740};
+
+        float durationsMultiplier = getDuration()/durations[0];
+        float delaysMultiplier = getDuration()/delays[0];
+
         for (int i = 0; i < 4; i++) {
             final int index=i;
             ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.4f,1);
-            scaleAnim.setDuration(durations[i]);
+            scaleAnim.setDuration((long) (durations[i]*durationsMultiplier));
             scaleAnim.setRepeatCount(-1);
-            scaleAnim.setStartDelay(delays[i]);
+            scaleAnim.setStartDelay((long) (delays[i]*delaysMultiplier));
             addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
                 public void onAnimationUpdate(ValueAnimator animation) {
@@ -60,5 +63,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
-
+    @Override
+    public int getDefaultDuration() {
+        return durations[0];
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/LineScalePulseOutIndicator.java b/library/src/main/java/com/wang/avi/indicators/LineScalePulseOutIndicator.java
index 2b02150..8755318 100644
--- a/library/src/main/java/com/wang/avi/indicators/LineScalePulseOutIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/LineScalePulseOutIndicator.java
@@ -17,9 +17,9 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
         for (int i = 0; i < 5; i++) {
             final int index=i;
             ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.3f,1);
-            scaleAnim.setDuration(900);
+            scaleAnim.setDuration(getDuration());
             scaleAnim.setRepeatCount(-1);
-            scaleAnim.setStartDelay(delays[i]);
+            scaleAnim.setStartDelay((long) (delays[i]*getMultiplier()));
             addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
                 public void onAnimationUpdate(ValueAnimator animation) {
@@ -32,4 +32,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 900;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/LineScalePulseOutRapidIndicator.java b/library/src/main/java/com/wang/avi/indicators/LineScalePulseOutRapidIndicator.java
index 51cfcdc..f7d4fb4 100644
--- a/library/src/main/java/com/wang/avi/indicators/LineScalePulseOutRapidIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/LineScalePulseOutRapidIndicator.java
@@ -17,9 +17,9 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
         for (int i = 0; i < 5; i++) {
             final int index=i;
             ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.4f,1);
-            scaleAnim.setDuration(1000);
+            scaleAnim.setDuration(getDuration());
             scaleAnim.setRepeatCount(-1);
-            scaleAnim.setStartDelay(delays[i]);
+            scaleAnim.setStartDelay((long) (delays[i]*getMultiplier()));
             addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
                 @Override
                 public void onAnimationUpdate(ValueAnimator animation) {
@@ -32,4 +32,8 @@ public void onAnimationUpdate(ValueAnimator animation) {
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 1000;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/PacmanIndicator.java b/library/src/main/java/com/wang/avi/indicators/PacmanIndicator.java
index 9a3a2e6..604514a 100644
--- a/library/src/main/java/com/wang/avi/indicators/PacmanIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/PacmanIndicator.java
@@ -62,7 +62,7 @@ public ArrayList<ValueAnimator> onCreateAnimators() {
         ArrayList<ValueAnimator> animators=new ArrayList<>();
         float startT=getWidth()/11;
         ValueAnimator translationAnim=ValueAnimator.ofFloat(getWidth()-startT,getWidth()/2);
-        translationAnim.setDuration(650);
+        translationAnim.setDuration(getDuration());
         translationAnim.setInterpolator(new LinearInterpolator());
         translationAnim.setRepeatCount(-1);
         addUpdateListener(translationAnim,new ValueAnimator.AnimatorUpdateListener() {
@@ -74,7 +74,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
         });
 
         ValueAnimator alphaAnim=ValueAnimator.ofInt(255,122);
-        alphaAnim.setDuration(650);
+        alphaAnim.setDuration(getDuration());
         alphaAnim.setRepeatCount(-1);
         addUpdateListener(alphaAnim,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -85,7 +85,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
         });
 
         ValueAnimator rotateAnim1=ValueAnimator.ofFloat(0, 45, 0);
-        rotateAnim1.setDuration(650);
+        rotateAnim1.setDuration(getDuration());
         rotateAnim1.setRepeatCount(-1);
         addUpdateListener(rotateAnim1,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -96,7 +96,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
         });
 
         ValueAnimator rotateAnim2=ValueAnimator.ofFloat(0,-45,0);
-        rotateAnim2.setDuration(650);
+        rotateAnim2.setDuration(getDuration());
         rotateAnim2.setRepeatCount(-1);
         addUpdateListener(rotateAnim2,new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -112,4 +112,9 @@ public void onAnimationUpdate(ValueAnimator animation) {
         animators.add(rotateAnim2);
         return animators;
     }
+
+    @Override
+    public int getDefaultDuration() {
+        return 650;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/SemiCircleSpinIndicator.java b/library/src/main/java/com/wang/avi/indicators/SemiCircleSpinIndicator.java
index 53a0b70..9212923 100644
--- a/library/src/main/java/com/wang/avi/indicators/SemiCircleSpinIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/SemiCircleSpinIndicator.java
@@ -34,10 +34,14 @@ public void onAnimationUpdate(ValueAnimator animation) {
                 postInvalidate();
             }
         });
-        rotateAnim.setDuration(600);
+        rotateAnim.setDuration(getDuration());
         rotateAnim.setRepeatCount(-1);
         animators.add(rotateAnim);
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 600;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/SquareSpinIndicator.java b/library/src/main/java/com/wang/avi/indicators/SquareSpinIndicator.java
index e2b8ae9..9a65b59 100644
--- a/library/src/main/java/com/wang/avi/indicators/SquareSpinIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/SquareSpinIndicator.java
@@ -58,7 +58,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
         });
         animator.setInterpolator(new LinearInterpolator());
         animator.setRepeatCount(-1);
-        animator.setDuration(2500);
+        animator.setDuration(getDuration());
 
         ValueAnimator animator1=ValueAnimator.ofFloat(0,0,180,180,0);
         addUpdateListener(animator1,new ValueAnimator.AnimatorUpdateListener() {
@@ -70,11 +70,15 @@ public void onAnimationUpdate(ValueAnimator animation) {
         });
         animator1.setInterpolator(new LinearInterpolator());
         animator1.setRepeatCount(-1);
-        animator1.setDuration(2500);
+        animator1.setDuration(getDuration());
 
         animators.add(animator);
         animators.add(animator1);
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 2500;
+    }
 }
diff --git a/library/src/main/java/com/wang/avi/indicators/TriangleSkewSpinIndicator.java b/library/src/main/java/com/wang/avi/indicators/TriangleSkewSpinIndicator.java
index 93364cd..547465c 100644
--- a/library/src/main/java/com/wang/avi/indicators/TriangleSkewSpinIndicator.java
+++ b/library/src/main/java/com/wang/avi/indicators/TriangleSkewSpinIndicator.java
@@ -64,7 +64,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
         });
         animator.setInterpolator(new LinearInterpolator());
         animator.setRepeatCount(-1);
-        animator.setDuration(2500);
+        animator.setDuration(getDuration());
 
         ValueAnimator animator1=ValueAnimator.ofFloat(0,0,180,180,0);
         addUpdateListener(animator1,new ValueAnimator.AnimatorUpdateListener() {
@@ -76,11 +76,15 @@ public void onAnimationUpdate(ValueAnimator animation) {
         });
         animator1.setInterpolator(new LinearInterpolator());
         animator1.setRepeatCount(-1);
-        animator1.setDuration(2500);
+        animator1.setDuration(getDuration());
 
         animators.add(animator);
         animators.add(animator1);
         return animators;
     }
 
+    @Override
+    public int getDefaultDuration() {
+        return 2500;
+    }
 }
diff --git a/library/src/main/res/values/attrs.xml b/library/src/main/res/values/attrs.xml
index 7a23b1a..c8c075f 100644
--- a/library/src/main/res/values/attrs.xml
+++ b/library/src/main/res/values/attrs.xml
@@ -8,6 +8,7 @@
         <attr name="maxHeight" format="dimension"/>
         <attr name="indicatorName" format="string"/>
         <attr name="indicatorColor" format="color"/>
+        <attr name="animationDuration" format="integer"/>
     </declare-styleable>
 
 </resources>
\ No newline at end of file