1. Modified code and packages.

Author: rcsingh1234

.idea/caches/build_file_checksums.ser

@@ -1,4 +1,4 @@
-package com.amit.animation;
+package com.amit.anim;
 
 import android.annotation.TargetApi;
 import android.app.Activity;
@@ -18,7 +18,6 @@
  * 2018 May 14 - Monday - 03:05 PM
  * This AnimUtil class will help with animation
 **/
-
 public class AnimUtil
 {
     private static final String TAG = AnimUtil.class.getSimpleName();
@@ -29,15 +28,15 @@ public class AnimUtil
      *
      * @param context - context of the activity
     **/
-    public static void slideFromRightToLeftAnim(@NonNull Context context)
+    public static void slideActivityFromRightToLeft(@NonNull Context context)
     {
         try
         {
             ((Activity) context).overridePendingTransition(R.anim.slide_in_right, R.anim.slide_out_left);
         }
         catch (Exception e)
         {
-            Log.e(TAG, "slideActivityLeftToRight: exception while animating activity:\n");
+            Log.e(TAG, "slideActivityFromRightToLeft: exception while animating activity:\n");
             e.printStackTrace();
         }
     }
@@ -48,7 +47,7 @@ public static void slideFromRightToLeftAnim(@NonNull Context context)
      *
      * @param context - context of the activity
      **/
-    public static void slideFromLeftToRightAnim(@NonNull Context context)
+    public static void slideActivityFromLeftToRight(@NonNull Context context)
     {
         try
         {
@@ -67,15 +66,15 @@ public static void slideFromLeftToRightAnim(@NonNull Context context)
      *
      * @param context - context of the activity
     **/
-    public static void fadeInFadeOutAnim(@NonNull Context context)
+    public static void activityFadeInFadeOut(@NonNull Context context)
     {
         try
         {
             ((Activity) context).overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
         }
         catch (Exception e)
         {
-            Log.e(TAG, "fadeInFadeOutActivity: exception while animating acivity.");
+            Log.e(TAG, "activityFadeInFadeOut: exception while animating acivity.");
             e.printStackTrace();
         }
     }
@@ -86,7 +85,7 @@ public static void fadeInFadeOutAnim(@NonNull Context context)
      *
      * @param context - context of the activity
     **/
-    public static void slideFromLeftWithStayAnim(@NonNull Context context)
+    public static void slideActivityFromLeftWithStay(@NonNull Context context)
     {
         try
         {
@@ -105,15 +104,15 @@ public static void slideFromLeftWithStayAnim(@NonNull Context context)
      *
      * @param context - context of the activity
     **/
-    public static void slideFromRightWithStayAnim(@NonNull Context context)
+    public static void slideActivityFromRightWithStay(@NonNull Context context)
     {
         try
         {
             ((Activity) context).overridePendingTransition(R.anim.slide_in_right, R.anim.anim_stay);
         }
         catch (Exception e)
         {
-            Log.e(TAG, "slideActivityFromLeftWithStay: exception while animating activity.");
+            Log.e(TAG, "slideActivityFromRightWithStay: exception while animating activity.");
             e.printStackTrace();
         }
     }
@@ -124,15 +123,15 @@ public static void slideFromRightWithStayAnim(@NonNull Context context)
      *
      * @param context - context of the activity
     **/
-    public static void slideFromBottomWithStayAnim(@NonNull Context context)
+    public static void slideActivityFromBottomWithStay(@NonNull Context context)
     {
         try
         {
             ((Activity) context).overridePendingTransition(R.anim.bottom_to_up, R.anim.anim_stay);
         }
         catch (Exception e)
         {
-            Log.e(TAG, "slideFromBottomWithStayAnim: exception while animating.");
+            Log.e(TAG, "slideActivityFromBottomWithStay: exception while animating.");
             e.printStackTrace();
         }
     }
@@ -143,7 +142,7 @@ public static void slideFromBottomWithStayAnim(@NonNull Context context)
      *
      * @param context - context of the activity
     **/
-    public static void slideFromUpWithStayAnim(@NonNull Context context)
+    public static void slideActivityFromUpWithStay(@NonNull Context context)
     {
         try
         {

.idea/misc.xml

@@ -0,0 +1,37 @@
+package com.amit.anim;
+
+/**
+ * The Easing class provides a collection of ease functions. It does not use the standard 4 param
+ * ease signature. Instead it uses a single param which indicates the current linear ratio (0 to 1) of the tween.
+ */
+public enum Ease
+{
+    LINEAR,
+    QUAD_IN,
+    QUAD_OUT,
+    QUAD_IN_OUT,
+    CUBIC_IN,
+    CUBIC_OUT,
+    CUBIC_IN_OUT,
+    QUART_IN,
+    QUART_OUT,
+    QUART_IN_OUT,
+    QUINT_IN,
+    QUINT_OUT,
+    QUINT_IN_OUT,
+    SINE_IN,
+    SINE_OUT,
+    SINE_IN_OUT,
+    BACK_IN,
+    BACK_OUT,
+    BACK_IN_OUT,
+    CIRC_IN,
+    CIRC_OUT,
+    CIRC_IN_OUT,
+    BOUNCE_IN,
+    BOUNCE_OUT,
+    BOUNCE_IN_OUT,
+    ELASTIC_IN,
+    ELASTIC_OUT,
+    ELASTIC_IN_OUT
+}

app/src/main/java/com/amit/animation/AnimUtil.java renamed to app/src/main/java/com/amit/anim/AnimUtil.java

@@ -0,0 +1,28 @@
+package com.amit.anim;
+
+import android.animation.TimeInterpolator;
+import android.support.annotation.NonNull;
+
+/**
+ * Created by Amit Jangid on 21,May,2018
+ **/
+public class EaseInterpolator implements TimeInterpolator
+{
+    private final Ease ease;
+
+    public EaseInterpolator(@NonNull Ease ease)
+    {
+        this.ease = ease;
+    }
+
+    @Override
+    public float getInterpolation(float input)
+    {
+        return EaseProvider.get(this.ease, input);
+    }
+
+    public Ease getEase()
+    {
+        return ease;
+    }
+}