Merge pull request #13 from Aftermoon-dev/develop-SimpleView

Manage constructor and change pattern to Singleton

app/src/main/java/com/bluecat/view404Demo/MainActivity.kt

@@ -16,28 +16,47 @@
 
 package com.bluecat.view404Demo
 
+import android.graphics.Color
 import android.os.Bundle
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import com.bluecat.view404.View404
+import com.bluecat.view404.View404CustomLayout
 import com.bluecat.view404.show404
 import kotlinx.android.synthetic.main.activity_main.*
 import kotlinx.android.synthetic.main.activity_main.dismissError
 
 class MainActivity : AppCompatActivity() {
 
     private var view404: View404? = null
+    private var view404CustomLayout: View404CustomLayout? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
 
+        view404CustomLayout = View404CustomLayout.getInstance(
+            context = applicationContext,
+            bgColor = Color.parseColor("#ffffff"),
+            errMsg = "에러발생!"
+        )
+
+        /** It's same as
+
+        view404CustomLayout = View404CustomLayout.getInstance(applicationContext).apply {
+            bgColor = Color.parseColor("#ffffff")
+            errMsg = "에러발생!"
+            //errImg = null
+        }
+
+         **/
+
+
         showError.setOnClickListener {
             if (view404 == null) {
-                view404 = View404(this, R.layout.layout_404)
+                view404 = View404(this, view404CustomLayout?.inflate()!!)
                 Toast.makeText(this, "shown", Toast.LENGTH_SHORT).show()
 
-                //parentLayout.show404(view404!!)
                 errorLayout.show404(view404!!, R.anim.view404_fade_in_default)
             } else {
                 Toast.makeText(this, "already shown", Toast.LENGTH_SHORT).show()

view404/src/main/java/com/bluecat/view404/View404.kt

@@ -21,27 +21,21 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.view.animation.AnimationUtils
+import androidx.annotation.LayoutRes
 import androidx.core.view.ViewCompat
 
-class View404(private val context: Context, layout: Int) {
+class View404 {
 
+    private val context: Context
     /** NoneNull type */
-    private var layoutInflater: LayoutInflater =
-        context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
+    private var layoutInflater: LayoutInflater
 
-    /** initialized in show method. */
-    private var parentView: ViewGroup? = null
-
-    /** public getter, private setter */
-    var view404: View
-        private set
+    /** initialization(Layout Resource ID)*/
+    constructor(context: Context, @LayoutRes layout: Int) {
+        this.context = context
+        layoutInflater =
+            context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
 
-    /** public getter, private setter */
-    var isShowing = false
-        private set
-
-    /** initialization */
-    init {
         /** 'apply' refer to the context object as a lambda receiver by keyword 'this',
         it returns context object. */
         view404 = layoutInflater.inflate(layout, null).apply {
@@ -52,12 +46,32 @@ class View404(private val context: Context, layout: Int) {
         }
     }
 
+    /** initialization(Custom View) */
+    constructor(context: Context, layout: View) {
+        this.context = context
+        layoutInflater =
+            context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
+        view404 = layout
+    }
+
+
+    /** initialized in show method. */
+    private var parentView: ViewGroup? = null
+
+    /** public getter, private setter */
+    var view404: View? = null
+        private set
+
+    /** public getter, private setter */
+    var isShowing = false
+        private set
+
     /** shows the view404 on the parent view.
-        if you want to put another fadeIn animation, you can do that. */
-    fun show(parentView: ViewGroup?, fadeInAnimation:Int = R.anim.not_move_activity) {
+    if you want to put another fadeIn animation, you can do that. */
+    fun show(parentView: ViewGroup?, fadeInAnimation: Int = R.anim.not_move_activity) {
         if (!isShowing && parentView != null) {
             this.parentView = parentView
-            view404.startAnimation(AnimationUtils.loadAnimation(context, fadeInAnimation))
+            view404!!.startAnimation(AnimationUtils.loadAnimation(context, fadeInAnimation))
             /** 'run' refer to the context object as a lambda receiver by keyword 'this',
             it returns the lambda result. */
             this.parentView?.run {
@@ -67,16 +81,16 @@ class View404(private val context: Context, layout: Int) {
                 invalidate()
             }
 
-            ViewCompat.setTranslationZ(view404, 99f)
+            ViewCompat.setTranslationZ(view404!!, 99f)
             isShowing = true
         }
     }
 
     /** dismiss the view404 on the parent view.
-        if you want to put another fadeOut animation, you can do that. */
-    fun dismiss(fadeOutAnimation:Int = R.anim.not_move_activity) {
+    if you want to put another fadeOut animation, you can do that. */
+    fun dismiss(fadeOutAnimation: Int = R.anim.not_move_activity) {
         if (isShowing) {
-            view404.startAnimation(AnimationUtils.loadAnimation(context, fadeOutAnimation))
+            view404!!.startAnimation(AnimationUtils.loadAnimation(context, fadeOutAnimation))
             parentView?.removeView(view404)
             isShowing = false
         }

view404/src/main/java/com/bluecat/view404/View404CustomLayout.kt

@@ -0,0 +1,54 @@
+package com.bluecat.view404
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import kotlinx.android.synthetic.main.view404_customlayout.view.*
+
+class View404CustomLayout private constructor() {
+
+    private lateinit var layoutInflater: LayoutInflater
+    private lateinit var customLayout: View
+
+    /** option area */
+    var bgColor: Int = R.color.custom_background_default
+    var errMsg: String = ""
+    var errImg: Int? = null
+
+    /** Static area */
+    companion object {
+        @SuppressLint("InflateParams")
+        @JvmStatic
+        fun getInstance(context: Context) = View404CustomLayout().apply {
+            layoutInflater =
+                context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
+            customLayout = layoutInflater.inflate(R.layout.view404_customlayout, null).apply {
+                layoutParams = ViewGroup.LayoutParams(
+                    ViewGroup.LayoutParams.MATCH_PARENT,
+                    ViewGroup.LayoutParams.MATCH_PARENT
+                )
+            }
+        }
+
+        @JvmStatic
+        fun getInstance(
+            context: Context,
+            bgColor: Int = R.color.custom_background_default,
+            errMsg: String = "",
+            errImg: Int? = null
+        ) = getInstance(context).apply {
+            this.bgColor = bgColor
+            this.errMsg = errMsg
+            this.errImg = errImg
+        }
+    }
+
+
+    fun inflate(): View = customLayout.apply {
+        setBackgroundColor(bgColor)
+        errorText.text = errMsg
+        errImg?.let { errorImage.setImageResource(it) }
+    }
+}

view404/src/main/res/drawable/ic_error_outline.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M11,15h2v2h-2zM11,7h2v6h-2zM11.99,2C6.47,2 2,6.48 2,12s4.47,10 9.99,10C17.52,22 22,17.52 22,12S17.52,2 11.99,2zM12,20c-4.42,0 -8,-3.58 -8,-8s3.58,-8 8,-8 8,3.58 8,8 -3.58,8 -8,8z"/>
+</vector>

view404/src/main/res/layout/view404_customlayout.xml

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright 2019 Team Mulro in BlueCat-Community
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#ffffff">
+
+    <ImageView
+        android:id="@+id/errorImage"
+        android:layout_width="64dp"
+        android:layout_height="64dp"
+        android:scaleType="fitXY"
+        android:layout_centerHorizontal="true"
+        android:layout_centerInParent="true"
+        android:src="@drawable/ic_error_outline" />
+
+    <TextView
+        android:id="@+id/errorText"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textAlignment="center"
+        android:gravity="center"
+        android:textSize="15sp"
+        android:textStyle="bold"
+        android:layout_below="@+id/errorImage"
+        android:text="Error!" />
+</RelativeLayout>

view404/src/main/res/values/colors.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="custom_background_default">#ffffff</color>
+
+</resources>