Language Booster App

Language Booster.kt

Activity_main.xml:

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/background"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/languageBooster"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="28dp"
        android:fontFamily="@font/advent_pro_bold"
        android:text="@string/language_booster"
        android:textSize="30sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <soup.neumorphism.NeumorphCardView
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:padding="20dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/languageBooster"
        app:neumorph_shadowColorDark="@color/dark_shadow"
        app:neumorph_shadowColorLight="@color/light_shadow"
        app:neumorph_shapeAppearance="@style/NeumorphismCard">

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/main_list"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="1.0"
            app:layout_constraintStart_toStartOf="parent" />
    </soup.neumorphism.NeumorphCardView>

    <soup.neumorphism.NeumorphFloatingActionButton
        android:id="@+id/fab"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="16dp"
        android:layout_marginBottom="16dp"
        android:contentDescription="@string/app_name"
        android:padding="28dp"
        android:src="@drawable/baseline_add_24"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:neumorph_shadowColorDark="@color/dark_shadow"
        app:neumorph_shadowColorLight="@color/light_shadow"
        app:neumorph_shadowElevation="5dp"
        app:neumorph_shapeAppearance="@style/NeumorphismCard"
        tools:ignore="ImageContrastCheck" />
</androidx.constraintlayout.widget.ConstraintLayout>

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MainActivity.kt:

package com.iliya.dictianorylanguagebooster

import android.annotation.SuppressLint
import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import com.google.android.material.floatingactionbutton.FloatingActionButton
import soup.neumorphism.NeumorphFloatingActionButton

class MainActivity : AppCompatActivity() {
    private lateinit var recyclerView: RecyclerView
    private lateinit var fab: NeumorphFloatingActionButton
    private lateinit var adapter: RecyclerAdapter
    private lateinit var wordDBHelper: WordDBHelper
    private val listItems = ArrayList<Word>()
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        init()
    }

    private fun init() {
        bindViews()
        wordDBHelper = WordDBHelper(this)
        adapter = RecyclerAdapter(this, listItems,wordDBHelper)
        val layoutManager = LinearLayoutManager(this)
        recyclerView.layoutManager = layoutManager
        recyclerView.adapter = adapter
        fab.setOnClickListener {
            startActivity(Intent(this, AddWordActivity::class.java))
        }
    }

    fun bindViews() {
        recyclerView = findViewById(R.id.main_list)
        fab = findViewById(R.id.fab)
    }

    @SuppressLint("NotifyDataSetChanged")
    override fun onResume() {
        super.onResume()
        listItems.clear()
        listItems.addAll(wordDBHelper.getAllWords())
        adapter.notifyDataSetChanged()
    }
}


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RecyclerAdapter.kt:

package com.iliya.dictianorylanguagebooster

import android.content.Context
import android.provider.UserDictionary.Words
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.TextView
import androidx.lifecycle.viewmodel.viewModelFactory
import androidx.recyclerview.widget.RecyclerView
import com.bumptech.glide.Glide
import soup.neumorphism.NeumorphImageButton
import soup.neumorphism.NeumorphImageView

class RecyclerAdapter(private val contex:Context,private val words: ArrayList<Word>,private val wordDBHelper: WordDBHelper) :
    RecyclerView.Adapter<RecyclerAdapter.wordHolder>() {

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): wordHolder {
        val inflater = LayoutInflater.from(parent.context)
            .inflate(R.layout.recycler_item_layout, parent, false)
        return wordHolder(inflater)
    }

    override fun onBindViewHolder(holder: wordHolder, position: Int) {
        val item =  words[position]
        holder.keyword.text = "${item.keyword}:${item.meaning}"
        changestar(holder, item)
        if(position == words.size -1 ){
            holder.border.visibility =View.GONE
        }
        holder.star.setOnClickListener{
            item.star = !item.star
            wordDBHelper.updateWord(item)
            changestar(holder, item)
        }

        Glide
            .with(contex)
            .load("https://picsum.photos/70?rand="+System.currentTimeMillis())
            .centerCrop()
            .placeholder(R.drawable.rwerwe)
            .into(holder.img);
    }

    private fun changestar(
        holder: wordHolder,
        item: Word
    ) {
        holder.star.setImageResource(
            if (item.star) R.drawable.baseline_star_24
            else R.drawable.baseline_star_border_24
        )
    }

    override fun getItemCount(): Int {
        return words.size
    }

    class wordHolder(v: View) : RecyclerView.ViewHolder(v), View.OnClickListener {

        var keyword: TextView = v.findViewById(R.id.text_view)
        var star: NeumorphImageButton = v.findViewById(R.id.starbtn)
        var img: NeumorphImageView = v.findViewById(R.id.img)
        var border: View = v.findViewById(R.id.border)

        override fun onClick(v: View?) {
            TODO("Not yet implemented")
        }

    }
}

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WordDBHelper.kt:

package com.iliya.dictianorylanguagebooster

import android.annotation.SuppressLint
import android.content.ContentValues
import android.content.Context
import android.database.Cursor
import android.database.sqlite.SQLiteDatabase
import android.database.sqlite.SQLiteOpenHelper
import java.lang.Exception

class WordDBHelper(context: Context) :
    SQLiteOpenHelper(context, database_name, null, database_version) {
    override fun onCreate(db: SQLiteDatabase?) {
        db?.execSQL(SQL_CREATE_QUERY)
    }

    override fun onUpgrade(db: SQLiteDatabase?, oldVersion: Int, newVersion: Int) {
        db?.execSQL(SQL_DELETE_QUERY)
        onCreate(db)
    }

    fun insertWord(word: Word): Boolean {
        return try {
            val db = writableDatabase
            val valuse = ContentValues()
            valuse.put(DBContract.WordEntity.COLUMN_KEYWORD, word.keyword)
            valuse.put(DBContract.WordEntity.COLUMN_MEANING, word.meaning)
            valuse.put(DBContract.WordEntity.COLUMN_STAR, if (word.star) 1 else 0)
            db.insert(DBContract.WordEntity.TABLE_NAME, null, valuse)
            true
        } catch (e: Exception) {
            false
        }
    }

    @SuppressLint("Range")
    fun getAllWords(): ArrayList<Word> {
        val words = ArrayList<Word>()
        val db = readableDatabase
        var cursor: Cursor? = null
        try {
            cursor = db.rawQuery("SELECT * FROM ${DBContract.WordEntity.TABLE_NAME}", null)
        } catch (e: Exception) {
            db.execSQL(SQL_CREATE_QUERY)
            return ArrayList()
        }
        var keyword: String
        var meaning: String
        var stared: Boolean
        if (cursor.moveToFirst()) {
            while (!cursor.isAfterLast) {
                keyword =
                    cursor.getString(cursor.getColumnIndex(DBContract.WordEntity.COLUMN_KEYWORD))
                meaning =
                    cursor.getString(cursor.getColumnIndex(DBContract.WordEntity.COLUMN_MEANING))
                stared =
                    cursor.getInt(cursor.getColumnIndex(DBContract.WordEntity.COLUMN_STAR)) == 1
                words.add(Word(keyword, meaning, stared))
                cursor.moveToNext()
            }
        }
        return words
    }

    fun updateWord(word: Word): Boolean {
        return try {
            val db = writableDatabase
            val valuse = ContentValues()
            valuse.put(DBContract.WordEntity.COLUMN_MEANING, word.meaning)
            valuse.put(DBContract.WordEntity.COLUMN_STAR, if (word.star) 1 else 0)
            val where = "${DBContract.WordEntity.COLUMN_KEYWORD} = ?"
            val args = arrayOf(word.keyword)
            db.update(DBContract.WordEntity.TABLE_NAME, valuse, where, args)
            true
        } catch (e: Exception) {
            false
        }
    }

    companion object {
        const val database_version = 1
        const val database_name = "LanguageBooster.db"
        private val SQL_CREATE_QUERY = "CREATE TABLE ${DBContract.WordEntity.TABLE_NAME}" +
                " (${DBContract.WordEntity.COLUMN_KEYWORD} TEXT PRIMARY KEY," +
                " ${DBContract.WordEntity.COLUMN_MEANING} TEXT ," +
                " ${DBContract.WordEntity.COLUMN_STAR} NUMERIC)"
        private val SQL_DELETE_QUERY = "DROP TABLE IF EXISTS ${DBContract.WordEntity.TABLE_NAME}"
    }

}

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DBContract.object:

package com.iliya.dictianorylanguagebooster

import android.provider.BaseColumns

object DBContract {
    class WordEntity : BaseColumns {
        companion object{
            val TABLE_NAME = "words"
            val COLUMN_KEYWORD = "keyword"
            val COLUMN_MEANING = "meaning"
            val COLUMN_STAR = "star"
        }
    }
}

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Word.kt:

package com.iliya.dictianorylanguagebooster

data class Word(
    var keyword: String,
    var meaning: String,
    var star: Boolean
)

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recycler_item_layout.xml:

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:paddingLeft="8dp"
    android:paddingTop="3dp"
    android:paddingRight="8dp"
    android:paddingBottom="3dp">

    <soup.neumorphism.NeumorphCardView
        android:id="@+id/imgHolder"
        android:layout_width="70dp"
        android:layout_height="70dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:neumorph_shadowColorDark="@color/dark_shadow"
        app:neumorph_shadowColorLight="@color/light_shadow"
        app:neumorph_shadowElevation="4dp"
        app:neumorph_shapeAppearance="@style/NeumorphismCard"
        app:neumorph_shapeType="flat">

        <soup.neumorphism.NeumorphImageView
            android:id="@+id/img"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
    </soup.neumorphism.NeumorphCardView>

    <TextView
        android:id="@+id/text_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="84dp"
        android:layout_marginTop="20dp"
        android:fontFamily="@font/iransans"
        android:text="@string/text_view"
        android:textSize="20sp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <soup.neumorphism.NeumorphImageButton
        android:id="@+id/starbtn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="4dp"
        android:background="@color/background"
        android:contentDescription="@string/imagebottom"
        android:padding="18dp"
        android:src="@drawable/baseline_star_border_24"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.576"
        app:neumorph_shadowColorDark="@color/dark_shadow"
        app:neumorph_shadowColorLight="@color/light_shadow"
        app:neumorph_shadowElevation="5dp"
        app:neumorph_shapeAppearance="@style/NeumorphismCard"
        app:neumorph_shapeType="basin"
        tools:ignore="ImageContrastCheck" />

    <View
        android:id="@+id/border"
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:background="@color/dark_shadow"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/imgHolder" />

</androidx.constraintlayout.widget.ConstraintLayout>

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activity_splash_screen.xml:

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".splashscreen">

    <soup.neumorphism.NeumorphImageButton
        android:id="@+id/starbtn"
        android:layout_width="94dp"
        android:layout_height="97dp"
        android:layout_marginTop="240dp"
        android:background="@color/background"
        android:contentDescription="@string/imagebottom"
        android:padding="18dp"
        android:src="@drawable/logo2"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.498"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:neumorph_shadowColorDark="@color/dark_shadow"
        app:neumorph_shadowColorLight="@color/light_shadow"
        app:neumorph_shadowElevation="5dp"
        app:neumorph_shapeAppearance="@style/NeumorphismCard"
        app:neumorph_shapeType="basin"
        tools:ignore="ImageContrastCheck" />

    <ProgressBar
        android:id="@+id/progressBar"
        style="?android:attr/progressBarStyle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="68dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.498"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/starbtn" />

</androidx.constraintlayout.widget.ConstraintLayout>

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splashscreen.kt:

package com.iliya.dictianorylanguagebooster

import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.os.Handler
import android.os.Looper

class splashscreen : AppCompatActivity() {

    val waitsecount:Long = 500
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_splashscreen)

        Handler(Looper.getMainLooper()).postDelayed({
            val intent = Intent(this,MainActivity::class.java)
            startActivity(intent)
            finish()
        },waitsecount)
    }
}

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AddWordactivity.kt:

package com.iliya.dictianorylanguagebooster

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.Button
import android.widget.EditText
import android.widget.Toast

class AddWordActivity : AppCompatActivity() {
    private lateinit var keyword:EditText
    private lateinit var meaning:EditText
    private lateinit var btn_add_word:Button
    private lateinit var wordDBHelper:WordDBHelper
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_add_word)
        init()
    }
    private fun init(){
        bindViews()
        wordDBHelper = WordDBHelper(this)
        btn_add_word.setOnClickListener {
            if(keyword.text.isEmpty()){
                Toast.makeText(this,"Please Enter Word",Toast.LENGTH_SHORT).show()
                return@setOnClickListener
            }
            if(meaning.text.isEmpty()){
                Toast.makeText(this,"Please Enter Meaning",Toast.LENGTH_SHORT).show()
                return@setOnClickListener
            }
            val word = Word(keyword.text.toString(),meaning.text.toString(),false)
            val result = wordDBHelper.insertWord(word)
            if(result){
                Toast.makeText(this,"New Word Added",Toast.LENGTH_SHORT).show()
                finish()
            }else{
                Toast.makeText(this,"Error on adding New Word!!",Toast.LENGTH_SHORT).show()
            }
        }
    }
    fun bindViews(){
        keyword = findViewById(R.id.edittextword)
        meaning = findViewById(R.id.edittextmeaning)
        btn_add_word = findViewById(R.id.btn_add_word)
    }
}

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activity_add_word.xml:

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".AddWordActivity">

    <soup.neumorphism.NeumorphCardView
        android:id="@+id/neumorphCardView"
        android:layout_width="260dp"
        android:layout_height="175dp"
        android:layout_marginTop="92dp"
        android:padding="20dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.485"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:neumorph_shadowColorDark="@color/dark_shadow"
        app:neumorph_shadowColorLight="@color/light_shadow"
        app:neumorph_shapeAppearance="@style/NeumorphismCard">


        <EditText
            android:id="@+id/edittextword"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="15dp"
            android:autofillHints=""
            android:ems="10"
            android:hint="@string/word"
            android:inputType="text"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.384"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/textView"
            tools:ignore="LabelFor,TouchTargetSizeCheck" />

        <EditText
            android:id="@+id/edittextmeaning"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="70dp"
            android:ems="10"
            android:hint="@string/meaning"
            android:inputType="text"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.41"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/textView"
            tools:ignore="Autofill,LabelFor,TouchTargetSizeCheck" />

    </soup.neumorphism.NeumorphCardView>

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="36dp"
        android:fontFamily="@font/advent_pro_bold"
        android:text="@string/add_new_word_to_your_dictionary"
        android:textSize="20sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.496"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <soup.neumorphism.NeumorphButton
        android:id="@+id/btn_add_word"
        android:layout_width="122dp"
        android:layout_height="81dp"
        android:layout_marginTop="36dp"
        android:gravity="center"

        android:padding="20dp"
        android:text="@string/add_word"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.463"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/neumorphCardView"
        app:neumorph_shadowColorDark="@color/dark_shadow"
        app:neumorph_shadowColorLight="@color/light_shadow"
        app:neumorph_shadowElevation="5dp"
        app:neumorph_shapeAppearance="@style/NeumorphismCard">

    </soup.neumorphism.NeumorphButton>

</androidx.constraintlayout.widget.ConstraintLayout>