Made kotlin first util

README.md

@@ -19,28 +19,28 @@ Step 2. Add the dependency
 
 ```groovy
 dependencies {
-		implementation 'com.github.islamdidarmd:Kpref:0.1.0'
+		implementation 'com.github.islamdidarmd:Kpref:0.1.1'
 	}
 ```
 
 ### How to use
 
 ```kotlin
-        //save values in a default sharedPreference
-        Kprefs.initDefault(this)
+                //save values in a default sharedPreference
+                Kprefs.initDefault(this)
 
-        Kprefs.save("test", 10)
+                Kprefs.save("test", 10)
 
-        val x: Int? = Kprefs.get("test", Int::class.java)
+                val x: Int? = Kprefs.get("")
 
 
-        //save values in your preference
-        val pref = getSharedPreferences("my_preference", Context.MODE_PRIVATE)
-        Kprefs.init(pref)
+                //save values in your preference
+                val pref = getSharedPreferences("my_preference", Context.MODE_PRIVATE)
+                Kprefs.init(pref)
 
-        Kprefs.save("testMyPref", "Saved")
+                Kprefs.save("testMyPref", "Saved")
 
-        val value: String? = Kprefs.get("testMyPref", String::class.java)
+                val value: String? = Kprefs.get("")
 ```
 
 

app/src/main/java/com/didar/sharedprefshelper/MainActivity.kt

@@ -16,7 +16,7 @@ class MainActivity : AppCompatActivity() {
 
         Kprefs.save("test", 10)
 
-        val x: Int? = Kprefs.get("", Int::class.java)
+        val x: Int? = Kprefs.get("")
 
 
         //save values in your preference
@@ -25,6 +25,6 @@ class MainActivity : AppCompatActivity() {
 
         Kprefs.save("testMyPref", "Saved")
 
-        val value: String? = Kprefs.get("", String::class.java)
+        val value: String? = Kprefs.get("")
     }
 }

build.gradle

@@ -8,7 +8,7 @@ buildscript {
 
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.2'
+        classpath 'com.android.tools.build:gradle:3.5.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
         // NOTE: Do not place your application dependencies here; they belong

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Wed Mar 20 15:08:04 BDT 2019
+#Wed Oct 30 10:56:16 BDT 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip

kprefs/src/main/java/com/islamdidarmd/kprefs/Helper.kt

@@ -7,40 +7,40 @@ import android.util.Log
 import com.google.gson.Gson
 import java.lang.reflect.Type
 
-class Kprefs {
+object Kprefs {
+    val TAG = "Kprefs"
 
-    companion object {
-        val TAG = "Kprefs"
-
-        private var prefs: SharedPreferences? = null
+    var prefs: SharedPreferences? = null
+    val gson by lazy {
+        Gson()
+    }
 
-        fun initDefault(context: Context) {
-            if (prefs == null) {
-                prefs = PreferenceManager.getDefaultSharedPreferences(context.applicationContext)
-            }
+    fun initDefault(context: Context) {
+        if (prefs == null) {
+            prefs = PreferenceManager.getDefaultSharedPreferences(context.applicationContext)
         }
+    }
 
-        fun init(prefs: SharedPreferences) {
-            this.prefs = prefs
-        }
+    fun init(prefs: SharedPreferences) {
+        this.prefs = prefs
+    }
 
-        fun save(key: String, value: Any) {
-            if (prefs == null) {
-                throw NullPointerException("Kprefs not initialized. Data won't save...")
-            } else {
-                prefs!!.edit().putString(key, Gson().toJson(value)).apply()
-            }
+    fun save(key: String, value: Any) {
+        if (prefs == null) {
+            throw NullPointerException("Kprefs not initialized. Data won't save...")
+        } else {
+            prefs!!.edit().putString(key, gson.toJson(value)).apply()
         }
+    }
 
-        fun <T> get(key: String, type: Type): T? {
-            val x: T?
+    inline fun <reified T> get(key: String): T? {
+        val x: T?
 
-            if (prefs == null) {
-                throw NullPointerException("Kprefs not initialized. Data won't save...")
-            } else {
-                x = Gson().fromJson(prefs!!.getString(key, ""), type)
-            }
-            return x
+        if (prefs == null) {
+            throw NullPointerException("Kprefs not initialized. Data won't save...")
+        } else {
+            x = gson.fromJson(prefs!!.getString(key, ""), T::class.java)
         }
+        return x
     }
 }