first commit

Author: Avadh H. Kachhadiya

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

.idea/.gitignore

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+/build

.idea/compiler.xml

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+plugins {
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+    id("kotlin-kapt")
+}
+
+android {
+    namespace = "com.example.roomhandson"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "com.example.roomhandson"
+        minSdk = 24
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildFeatures {
+        viewBinding = true
+    }
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+}
+
+dependencies {
+
+    implementation("androidx.core:core-ktx:1.12.0")
+    implementation("androidx.appcompat:appcompat:1.6.1")
+    implementation("com.google.android.material:material:1.11.0")
+    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+
+    implementation("androidx.lifecycle:lifecycle-livedata-ktx:2.7.0")
+    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.7.0")
+    implementation("androidx.activity:activity-ktx:1.8.2")
+    implementation("androidx.fragment:fragment-ktx:1.6.2")
+
+    // Room DB
+    kapt("androidx.room:room-compiler:2.6.1")
+    implementation("androidx.room:room-ktx:2.6.1")
+    implementation("androidx.room:room-runtime:2.6.1")
+}

.idea/deploymentTargetDropDown.xml

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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

.idea/gradle.xml

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+package com.example.roomhandson
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.example.roomhandson", appContext.packageName)
+    }
+}

.idea/kotlinc.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">
+
+    <application
+        android:name=".app.NotesApp"
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.RoomHandsOn"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <meta-data
+            android:name="preloaded_fonts"
+            android:resource="@array/preloaded_fonts" />
+    </application>
+
+</manifest>

.idea/migrations.xml

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+package com.example.roomhandson
+
+import android.os.Bundle
+import androidx.activity.viewModels
+import androidx.appcompat.app.AppCompatActivity
+import com.example.roomhandson.app.NotesApp
+import com.example.roomhandson.databinding.ActivityMainBinding
+import com.example.roomhandson.ui.home.NotesAdapter
+import com.example.roomhandson.ui.note.AddNoteFragment
+import com.example.roomhandson.utils.AppToast
+import com.example.roomhandson.viewmodels.home.NotesViewModel
+import com.example.roomhandson.viewmodels.home.NotesViewModelFactory
+
+
+class MainActivity : AppCompatActivity() {
+
+    lateinit var binding: ActivityMainBinding
+    private val notesViewModel: NotesViewModel by viewModels {
+        NotesViewModelFactory((application as NotesApp).repository)
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        binding.noteFAB.setOnClickListener {
+            onCreateNoteClickHandler(null)
+        }
+
+        setAdapter()
+        fragmentResultHandler()
+    }
+
+    private fun setAdapter() {
+        notesViewModel.allNote.observe(this) { note ->
+            binding.rvNotes.adapter = NotesAdapter(note) {
+                onCreateNoteClickHandler(it)
+            }
+        }
+    }
+
+    private fun onCreateNoteClickHandler(id: Int?) {
+        binding.noteFAB.hide()
+        supportFragmentManager.beginTransaction().replace(R.id.homeView, AddNoteFragment(id)).addToBackStack(null)
+            .commit()
+    }
+
+    private fun fragmentResultHandler() {
+        supportFragmentManager.setFragmentResultListener("createNote", this) { _, bundle ->
+            val updatedNoteString = bundle.getString("updatedNoteBundle")
+            val newNoteString = bundle.getString("newNoteBundle")
+            val emptyNoteString = bundle.getString("emptyNoteBundle")
+            val deleteNoteString = bundle.getString("deleteNoteBundle")
+
+            val appToast = AppToast()
+
+            if (emptyNoteString != null) appToast.showToast(emptyNoteString, this).show()
+
+            if (updatedNoteString != null) appToast.showToast(updatedNoteString, this).show()
+
+            if (newNoteString != null) appToast.showToast(newNoteString, this).show()
+
+            if (deleteNoteString != null) {
+                appToast.showSnackBar(deleteNoteString, binding.homeView).setAction("Undo") {
+                    notesViewModel.restoreNote()
+                }.show()
+
+            }
+        }
+    }
+}

.idea/misc.xml

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+package com.example.roomhandson.app
+
+import android.app.Application
+import com.example.roomhandson.data.local.databse.NotesDatabase
+import com.example.roomhandson.data.repository.NotesRepository
+
+class NotesApp : Application() {
+
+    private val database by lazy { NotesDatabase.getDatabase(this) }
+    val repository by lazy { NotesRepository(database.notesDao()) }
+}

app/.gitignore

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+package com.example.roomhandson.data.local.dao
+
+import androidx.lifecycle.LiveData
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy.Companion.IGNORE
+import androidx.room.Query
+import androidx.room.Update
+import com.example.roomhandson.data.local.enitities.Note
+
+@Dao
+interface NotesDao {
+    @Query("SELECT * FROM notes_table ORDER BY id ASC")
+    fun getAllNotes(): LiveData<List<Note>>
+
+    @Query("SELECT * FROM notes_table WHERE id=:id")
+    suspend fun getNoteById(id: Int): Note
+
+    @Insert(onConflict = IGNORE)
+    suspend fun createNote(note: Note)
+
+    @Update
+    suspend fun updateNote(note: Note)
+
+    @Delete
+    suspend fun deleteNote(note: Note)
+}

app/build.gradle.kts

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+package com.example.roomhandson.data.local.databse
+
+import android.content.Context
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+import com.example.roomhandson.data.local.dao.NotesDao
+import com.example.roomhandson.data.local.enitities.Note
+import com.example.roomhandson.utils.Constants
+
+@Database(entities = [Note::class], version = 1, exportSchema = false)
+abstract class NotesDatabase : RoomDatabase() {
+
+    abstract fun notesDao(): NotesDao
+
+    companion object {
+        @Volatile
+        private var INSTANCE: NotesDatabase? = null
+
+        fun getDatabase(context: Context): NotesDatabase {
+            return INSTANCE ?: synchronized(this) {
+                val instance = Room.databaseBuilder(
+                    context.applicationContext, NotesDatabase::class.java, Constants.NOTE_DB
+                ).build()
+
+                INSTANCE = instance
+                instance
+            }
+        }
+    }
+}