Add files via upload

app/build.gradle

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+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-kapt'
+apply plugin: 'realm-android'
+
+android {
+    compileSdkVersion 29
+    buildToolsVersion "30.0.2"
+
+    defaultConfig {
+        applicationId "com.azhar.kodepos"
+        minSdkVersion 21
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+realm {
+    syncEnabled = true;
+}
+
+dependencies {
+    implementation fileTree(dir: "libs", include: ["*.jar"])
+    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'androidx.core:core-ktx:1.3.2'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.cardview:cardview:1.0.0'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+    testImplementation 'junit:junit:4.13'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+
+    implementation 'com.google.android.material:material:1.3.0'
+
+    implementation 'com.amitshekhar.android:android-networking:1.0.2'
+
+    implementation 'com.github.ivbaranov:materialfavoritebutton:0.1.5'
+
+}

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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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.azhar.kodepos">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <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"
+        android:usesCleartextTraffic="true"
+        tools:targetApi="q">
+        <activity android:name=".activities.FavoriteActivity" />
+        <activity
+            android:name=".activities.MainActivity"
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:windowSoftInputMode="stateAlwaysHidden">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/azhar/kodepos/activities/FavoriteActivity.kt

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+package com.azhar.kodepos.activities
+
+import android.app.Activity
+import android.graphics.Color
+import android.os.Build
+import android.os.Bundle
+import android.view.MenuItem
+import android.view.View
+import android.view.WindowManager
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.azhar.kodepos.R
+import com.azhar.kodepos.adapter.FavoriteAdapter
+import com.azhar.kodepos.model.ModelMain
+import com.azhar.kodepos.realm.RealmHelper
+import kotlinx.android.synthetic.main.activity_favorite.*
+import java.util.*
+
+class FavoriteActivity : AppCompatActivity() {
+
+    var modelMainList: List<ModelMain> = ArrayList()
+    var helper: RealmHelper? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_favorite)
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            window.decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
+                    View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN or
+                    View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
+        }
+
+        if (Build.VERSION.SDK_INT >= 21) {
+            setWindowFlag(this, WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS, false)
+            window.statusBarColor = Color.TRANSPARENT
+        }
+
+        helper = RealmHelper(this)
+
+        setSupportActionBar(toolbar)
+        assert(supportActionBar != null)
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+        supportActionBar?.setDisplayShowTitleEnabled(false)
+
+        rvListKodePos.setLayoutManager(LinearLayoutManager(this))
+        rvListKodePos.setHasFixedSize(true)
+
+        getFavorite()
+    }
+
+    private fun getFavorite() {
+        modelMainList = helper!!.showFavorite()
+        if (modelMainList.size == 0) {
+            tvNoData.visibility = View.VISIBLE
+            rvListKodePos.visibility = View.GONE
+        } else {
+            tvNoData.visibility = View.GONE
+            rvListKodePos.visibility = View.VISIBLE
+            rvListKodePos.adapter = FavoriteAdapter(this, modelMainList as ArrayList<ModelMain>)
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        getFavorite()
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        if (item.itemId == android.R.id.home) {
+            finish()
+            return true
+        }
+        return super.onOptionsItemSelected(item)
+    }
+
+    companion object {
+        fun setWindowFlag(activity: Activity, bits: Int, on: Boolean) {
+            val window = activity.window
+            val layoutParams = window.attributes
+            if (on) {
+                layoutParams.flags = layoutParams.flags or bits
+            } else {
+                layoutParams.flags = layoutParams.flags and bits.inv()
+            }
+            window.attributes = layoutParams
+        }
+    }
+
+}

app/src/main/java/com/azhar/kodepos/activities/MainActivity.kt

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+package com.azhar.kodepos.activities
+
+import android.app.ProgressDialog
+import android.content.Intent
+import android.os.Bundle
+import android.view.View
+import android.widget.*
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.androidnetworking.AndroidNetworking
+import com.androidnetworking.common.Priority
+import com.androidnetworking.error.ANError
+import com.androidnetworking.interfaces.JSONObjectRequestListener
+import com.azhar.kodepos.R
+import com.azhar.kodepos.adapter.MainAdapter
+import com.azhar.kodepos.model.ModelMain
+import com.azhar.kodepos.networking.ApiEndpoint
+import kotlinx.android.synthetic.main.activity_main.*
+import kotlinx.android.synthetic.main.toolbar_main.*
+import org.json.JSONException
+import org.json.JSONObject
+import java.util.*
+
+class MainActivity : AppCompatActivity() {
+
+    var mainAdapter: MainAdapter? = null
+    var modelMain: MutableList<ModelMain> = ArrayList()
+    var strInputTeks: String = ""
+    var progressDialog: ProgressDialog? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        progressDialog = ProgressDialog(this)
+        progressDialog?.setTitle("Mohon Tunggu...")
+        progressDialog?.setCancelable(false)
+        progressDialog?.setMessage("Sedang menampilkan data")
+
+        imageClear.setVisibility(View.GONE)
+        linearHasil.setVisibility(View.GONE)
+
+        rvListKodePos.setLayoutManager(LinearLayoutManager(this))
+        rvListKodePos.setHasFixedSize(true)
+
+        //membuka menu favorite
+        imageFavorite.setOnClickListener {
+            val intent = Intent(this@MainActivity, FavoriteActivity::class.java)
+            startActivity(intent)
+        }
+
+        //menghapus list hasil
+        imageClear.setOnClickListener {
+            teksInput.getText().clear()
+            modelMain.clear()
+            linearHasil.setVisibility(View.GONE)
+            imageClear.setVisibility(View.GONE)
+        }
+
+        //action menampilkan data
+        btnPencarian.setOnClickListener {
+            strInputTeks = teksInput.getText().toString()
+            if (strInputTeks.isEmpty()) {
+                Toast.makeText(this@MainActivity, "Form tidak boleh kosong!", Toast.LENGTH_SHORT).show()
+            } else {
+                //menampilkan data
+                getKodePos(strInputTeks)
+            }
+        }
+    }
+
+    private fun getKodePos(strInputTeks: String) {
+        progressDialog?.show()
+        modelMain.clear()
+        AndroidNetworking.get(ApiEndpoint.BASEURL)
+                .addPathParameter("query", strInputTeks)
+                .setPriority(Priority.MEDIUM)
+                .build()
+                .getAsJSONObject(object : JSONObjectRequestListener {
+                    override fun onResponse(response: JSONObject) {
+                        progressDialog?.dismiss()
+                        try {
+                            val jsonArray = response.getJSONArray("data")
+                            for (i in 0 until jsonArray.length()) {
+                                val jsonObjectKata = jsonArray.getJSONObject(i)
+                                val dataModel = ModelMain()
+                                dataModel.strProvinsi = jsonObjectKata.getString("province")
+                                dataModel.strKabupaten = jsonObjectKata.getString("city")
+                                dataModel.strKecamatan = jsonObjectKata.getString("subdistrict")
+                                dataModel.strKelurahan = jsonObjectKata.getString("urban")
+                                dataModel.strKodePos = jsonObjectKata.getString("postalcode")
+                                modelMain.add(dataModel)
+                            }
+                            mainAdapter = MainAdapter(this@MainActivity, modelMain)
+                            rvListKodePos.adapter = mainAdapter
+                            mainAdapter?.notifyDataSetChanged()
+                            imageClear.visibility = View.VISIBLE
+                            linearHasil.visibility = View.VISIBLE
+                        } catch (e: JSONException) {
+                            Toast.makeText(this@MainActivity, "Oops, gagal menampilkan jenis dokumen.",
+                                    Toast.LENGTH_SHORT).show()
+                        }
+                    }
+
+                    override fun onError(anError: ANError) {
+                        progressDialog?.dismiss()
+                        Toast.makeText(this@MainActivity, "Oops! Sepertinya ada masalah dengan koneksi internet kamu.",
+                                Toast.LENGTH_SHORT).show()
+                    }
+                })
+    }
+}

app/src/main/java/com/azhar/kodepos/adapter/FavoriteAdapter.kt

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+package com.azhar.kodepos.adapter
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import com.azhar.kodepos.R
+import com.azhar.kodepos.model.ModelMain
+import com.azhar.kodepos.realm.RealmHelper
+import com.google.android.material.snackbar.Snackbar
+import io.realm.Realm
+import kotlinx.android.synthetic.main.list_item_favorite.view.*
+
+/**
+ * Created by Azhar Rivaldi on 20-03-2021
+ */
+
+class FavoriteAdapter(private val context: Context, private val modelMain: List<ModelMain>) :
+        RecyclerView.Adapter<FavoriteAdapter.ViewHolder>() {
+
+    var realm: Realm? = null
+    var helper: RealmHelper? = null
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val view = LayoutInflater.from(parent.context).inflate(R.layout.list_item_favorite, parent, false)
+        return ViewHolder(view)
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val data = modelMain[position]
+        helper = RealmHelper(context)
+        realm = Realm.getDefaultInstance()
+        holder.tvProvinsi.text = data.strProvinsi
+        holder.tvKabupaten.text = data.strKabupaten
+        holder.tvKecamatan.text = data.strKecamatan
+        holder.tvKelurahan.text = data.strKelurahan
+        holder.tvKodePos.text = data.strKodePos
+        holder.imageDelete.setOnClickListener { view ->
+            helper!!.deleteKodePos(data.strKelurahan!!)
+            modelMain.removeAt(position)
+            notifyItemRemoved(position)
+            notifyItemRangeChanged(0, modelMain.size)
+            notifyDataSetChanged()
+            Snackbar.make(view, data.strKelurahan + " Removed from Favorite", Snackbar.LENGTH_SHORT).show()
+        }
+    }
+
+    override fun getItemCount(): Int {
+        return modelMain.size
+    }
+
+    internal class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+        var imageDelete: ImageView
+        var tvProvinsi: TextView
+        var tvKabupaten: TextView
+        var tvKecamatan: TextView
+        var tvKelurahan: TextView
+        var tvKodePos: TextView
+
+        init {
+            imageDelete = itemView.imageDelete
+            tvProvinsi = itemView.tvProvinsi
+            tvKabupaten = itemView.tvKabupaten
+            tvKecamatan = itemView.tvKecamatan
+            tvKelurahan = itemView.tvKelurahan
+            tvKodePos = itemView.tvKodePos
+        }
+    }
+
+}