Merge pull request #18 from erkutaras/develop

convert kotlin ShowcaseUtil class

README.md

@@ -28,7 +28,7 @@ allprojects {
 **Step 2.** Add the library dependency to your project build.gradle:
 ```
 dependencies {
-    implementation 'com.github.erkutaras:ShowcaseView:1.3.1'
+    implementation 'com.github.erkutaras:ShowcaseView:1.3.2'
 }
 ```
 

library/build.gradle

@@ -11,7 +11,7 @@ android {
         targetSdkVersion 28
         minSdkVersion 14
         versionCode 14
-        versionName "1.3.1"
+        versionName "1.3.2"
     }
 
     buildTypes {

library/src/main/java/com/erkutaras/showcaseview/ShowcaseUtils.kt

@@ -0,0 +1,70 @@
+package com.erkutaras.showcaseview
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.content.SharedPreferences
+import android.content.res.Resources
+import android.util.TypedValue
+
+/**
+ * Created by erkutaras on 25.02.2018.
+ */
+
+class ShowcaseUtils {
+
+    companion object {
+
+        @JvmStatic
+        fun convertDpToPx(dp: Float): Float {
+            return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, Resources.getSystem().displayMetrics)
+        }
+
+        @JvmStatic
+        fun isNonNull(o: Any?): Boolean {
+            return o != null
+        }
+
+        @JvmStatic
+        fun isNull(o: Any?): Boolean {
+            return o == null
+        }
+
+        @JvmStatic
+        fun isNotZero(f: Float): Boolean {
+            return f != 0f
+        }
+    }
+
+    internal class ShowcaseSP @SuppressLint("CommitPrefEdits")
+    private constructor(appContext: Context) {
+
+        private val SHARED_PREF_NAME = "intro"
+
+        private val sharedPreferences: SharedPreferences
+        private val editor: SharedPreferences.Editor
+
+        private val sp by lazy { ShowcaseSP(appContext) }
+
+        init {
+            this.sharedPreferences = appContext.getSharedPreferences(SHARED_PREF_NAME, Context.MODE_PRIVATE)
+            this.editor = sharedPreferences.edit()
+        }
+
+        fun show(key: String) {
+            editor.putBoolean(key, true)
+            editor.commit()
+        }
+
+        fun getShowing(key: String): Boolean {
+            return sharedPreferences.getBoolean(key, false)
+        }
+
+        companion object {
+
+            @JvmStatic
+            fun instance(appContext: Context): ShowcaseSP {
+                return ShowcaseSP(appContext).sp
+            }
+        }
+    }
+}