First commit to library.

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+apply plugin: 'com.github.dcendents.android-maven'
+group = 'com.github.amitjangid80'
+
+android {
+    compileSdkVersion 27
+    defaultConfig {
+        minSdkVersion 19
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support:design:27.1.1'
+    implementation 'com.android.support:cardview-v7:27.1.1'
+    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.amit.kotlib">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme" />
+
+</manifest>

app/src/main/java/com/amit/kotlib/anim/AnimLoader.kt

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+package com.amit.kotlib.anim
+
+import android.content.Context
+import android.view.animation.AlphaAnimation
+import android.view.animation.Animation
+import android.view.animation.AnimationSet
+import android.view.animation.ScaleAnimation
+
+/**
+ * Created by Amit Jangid on 22,May,2018
+ */
+object AnimLoader {
+    fun getInAnimation(context: Context): AnimationSet {
+        val `in` = AnimationSet(context, null)
+
+        val alpha = AlphaAnimation(0.0f, 1.0f)
+        alpha.duration = 90
+
+        val scale1 = ScaleAnimation(
+                0.8f, 1.05f, 0.8f, 1.05f,
+                Animation.RELATIVE_TO_SELF, 0.5f,
+                Animation.RELATIVE_TO_SELF, 0.5f)
+
+        scale1.duration = 135
+
+        val scale2 = ScaleAnimation(
+                1.05f, 0.95f, 1.05f, 0.95f,
+                Animation.RELATIVE_TO_SELF, 0.5f,
+                Animation.RELATIVE_TO_SELF, 0.5f)
+
+        scale2.duration = 105
+        scale2.startOffset = 135
+
+        val scale3 = ScaleAnimation(
+                0.95f, 1f, 0.95f, 1.0f,
+                Animation.RELATIVE_TO_SELF, 0.5f,
+                Animation.RELATIVE_TO_SELF, 0.5f)
+
+        scale3.duration = 60
+        scale3.startOffset = 240
+
+        `in`.addAnimation(alpha)
+        `in`.addAnimation(scale1)
+        `in`.addAnimation(scale2)
+        `in`.addAnimation(scale3)
+
+        return `in`
+    }
+
+    fun getOutAnimation(context: Context): AnimationSet {
+        val out = AnimationSet(context, null)
+        val alpha = AlphaAnimation(1.0f, 0.0f)
+        alpha.duration = 150
+
+        val scale = ScaleAnimation(
+                1.0f, 0.6f, 1.0f, 0.6f,
+                Animation.RELATIVE_TO_SELF, 0.5f,
+                Animation.RELATIVE_TO_SELF, 0.5f)
+
+        scale.duration = 150
+        out.addAnimation(alpha)
+        out.addAnimation(scale)
+        return out
+    }
+}