Implement insanely polished version of HUE 18

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+}
+
+android {
+    compileSdkVersion 30
+
+    defaultConfig {
+        applicationId "me.profiluefter.profinote"
+        minSdkVersion 24
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    buildFeatures {
+//        viewBinding true
+        dataBinding true
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'androidx.core:core-ktx:1.3.2'
+    implementation 'androidx.activity:activity-ktx:1.2.0'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.0'
+}

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"
+    package="me.profiluefter.profinote">
+
+    <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/Theme.Notian">
+        <activity
+            android:name=".NoteEditorActivity"
+            android:windowSoftInputMode="adjustResize" />
+        <activity android:name=".NoteDetailsActivity" />
+        <activity android:name=".MainActivity">
+            <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/me/profiluefter/profinote/MainActivity.kt

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+package me.profiluefter.profinote
+
+import android.content.Intent
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuItem
+import android.view.View
+import androidx.activity.viewModels
+import androidx.appcompat.app.AppCompatActivity
+import androidx.databinding.DataBindingUtil
+import androidx.recyclerview.widget.DividerItemDecoration
+import androidx.recyclerview.widget.RecyclerView
+import com.google.android.material.snackbar.Snackbar
+import me.profiluefter.profinote.databinding.ActivityMainBinding
+import me.profiluefter.profinote.models.MainActivityViewModel
+import me.profiluefter.profinote.models.Note
+
+class MainActivity : AppCompatActivity() {
+    private val viewModel: MainActivityViewModel by viewModels()
+
+    private val editorRequestCode = 187
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        val binding: ActivityMainBinding =
+            DataBindingUtil.setContentView(this, R.layout.activity_main)
+
+        binding.viewModel = viewModel
+        binding.lifecycleOwner = this
+
+        val adapter = NotesAdapter(viewModel.notes.value!!, this)
+        viewModel.notes.observe(this) {
+            adapter.notes = it
+        }
+
+        val recyclerView = findViewById<RecyclerView>(R.id.notes)
+        recyclerView.adapter = adapter
+        recyclerView.addItemDecoration(
+            DividerItemDecoration(
+                recyclerView.context,
+                DividerItemDecoration.VERTICAL
+            )
+        )
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+        menuInflater.inflate(R.menu.main_menu, menu)
+        return super.onCreateOptionsMenu(menu)
+    }
+
+    fun onNewNote(item: MenuItem) {
+        val intent = Intent(this, NoteEditorActivity::class.java)
+        intent.putExtra("position", -1)
+        startActivityForResult(
+            intent,
+            editorRequestCode
+        ) //TODO: Replace with registerForActivityResult(StartActivityForResult())
+    }
+
+    fun onSaveNotes(item: MenuItem) {
+        viewModel.saveNotes()
+        Snackbar.make(findViewById(R.id.notes), R.string.saved_notes, Snackbar.LENGTH_SHORT).show()
+    }
+
+    fun onEditNote(index: Int) {
+        val intent = Intent(this, NoteEditorActivity::class.java)
+        intent.putExtra("position", index)
+        intent.putExtra("note", viewModel.notes.value!![index])
+        startActivityForResult(
+            intent,
+            editorRequestCode
+        ) //TODO: Replace with registerForActivityResult(StartActivityForResult())
+    }
+
+    fun onShowNoteDetails(index: Int) {
+        val intent = Intent(this, NoteDetailsActivity::class.java)
+        intent.putExtra("note", viewModel.notes.value!![index])
+        startActivity(intent)
+    }
+
+    fun onDeleteNote(index: Int, view: View) {
+        val note = viewModel.notes.value!![index]
+        viewModel.deleteNote(index)
+        val snackbar = Snackbar.make(view, R.string.note_deleted, Snackbar.LENGTH_SHORT)
+        snackbar.setAction(R.string.undo) {
+            viewModel.setNote(-1, note)
+        }
+        snackbar.show()
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        when (requestCode) {
+            editorRequestCode -> {
+                if (resultCode != RESULT_OK) return
+
+                val note = data!!.getSerializableExtra("note") as Note
+                val position = data.getIntExtra("position", -1)
+                viewModel.setNote(position, note)
+            }
+            else -> super.onActivityResult(requestCode, resultCode, data)
+        }
+    }
+}

app/src/main/java/me/profiluefter/profinote/NoteDetailsActivity.kt

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+package me.profiluefter.profinote
+
+import android.os.Bundle
+import android.view.MenuItem
+import androidx.appcompat.app.AppCompatActivity
+import androidx.databinding.DataBindingUtil
+import me.profiluefter.profinote.databinding.ActivityNoteDetailsBinding
+import me.profiluefter.profinote.models.Note
+
+class NoteDetailsActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        val binding: ActivityNoteDetailsBinding =
+            DataBindingUtil.setContentView(this, R.layout.activity_note_details)
+
+        binding.lifecycleOwner = this
+        binding.note = intent.extras!!["note"] as Note
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return when (item.itemId) {
+            android.R.id.home -> {
+                finish()
+                true
+            }
+            else -> super.onOptionsItemSelected(item)
+        }
+    }
+}

app/src/main/java/me/profiluefter/profinote/NoteEditorActivity.kt

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+package me.profiluefter.profinote
+
+import android.app.DatePickerDialog
+import android.app.TimePickerDialog
+import android.content.Intent
+import android.os.Bundle
+import android.view.MenuItem
+import android.view.View
+import androidx.activity.viewModels
+import androidx.appcompat.app.AppCompatActivity
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import me.profiluefter.profinote.databinding.ActivityNoteEditorBinding
+import me.profiluefter.profinote.models.Note
+import me.profiluefter.profinote.models.NoteEditorActivityViewModel
+import java.util.*
+
+class NoteEditorActivity : AppCompatActivity() {
+    private val viewModel: NoteEditorActivityViewModel by viewModels {
+        object : ViewModelProvider.Factory {
+            override fun <T : ViewModel?> create(modelClass: Class<T>): T {
+                return modelClass.getConstructor(Note::class.java, Int::class.java)
+                    .newInstance(
+                        intent.getSerializableExtra("note") as Note?,
+                        intent.getIntExtra("position", -1)
+                    )
+            }
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        val binding = ActivityNoteEditorBinding.inflate(layoutInflater)
+        binding.lifecycleOwner = this
+        binding.viewModel = viewModel
+        setContentView(binding.root)
+
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return when (item.itemId) {
+            android.R.id.home -> {
+                setResult(RESULT_CANCELED)
+                finish()
+                true
+            }
+            else -> super.onOptionsItemSelected(item)
+        }
+    }
+
+    fun saveNote(view: View) {
+        val intent = Intent()
+        intent.putExtra("note", viewModel.note)
+        intent.putExtra("position", viewModel.notePosition)
+        setResult(RESULT_OK, intent)
+        finish()
+    }
+
+    fun openTimePicker(view: View) {
+        val calendar = Calendar.getInstance()
+        val dialog = TimePickerDialog(
+            this,
+            { _, hour, minute -> viewModel.setTime(hour, minute) },
+            calendar.get(Calendar.HOUR_OF_DAY),
+            calendar.get(Calendar.MINUTE),
+            false
+        )
+        dialog.show()
+    }
+
+    fun openDatePicker(view: View) {
+        val calendar = Calendar.getInstance()
+        val dialog = DatePickerDialog(
+            this,
+            { _, year, month, day -> viewModel.setDate(day, month, year) },
+            calendar.get(Calendar.YEAR),
+            calendar.get(Calendar.MONTH),
+            calendar.get(Calendar.DAY_OF_MONTH)
+        )
+        dialog.show()
+    }
+}