강원대 Android_주민철_1주차 과제(1,2단계) 제출

README.md

@@ -1 +1,23 @@
 # android-contacts
+# 1단계 - 연락처 추가
+## 기능 요구사항
+간단한 연락처를 구현한다.
+- 연락처를 추가한다.
+- 이름과 전화번호는 필수 값이다.
+  - 입력하지 않으면 토스트 메시지를 보여준다.
+- 전화번호 입력은 숫자만 가능하다.
+- 더보기를 눌러 입력 폼을 확장할 수 있다.
+  - 생일, 성별, 메모 입력 폼이 등장한다.
+  - 성별을 둘 중 하나를 선택할 수 있다.
+- 저장 버튼을 누르면 '저장이 완료 되었습니다' 라는 토스트 메시지를 보여준다.
+- 취소 버튼을 누르면 '취소 되었습니다' 라는 토스트 메시지를 보여준다.
+
+# 2단계 - 연락처 목록
+## 기능 요구사항
+간단한 연락처를 구현한다.
+- 연락처 등록 화면을 구현한다.
+- 연락처를 저장하면 목록에 추가된다.
+- 저장된 연락처가 많을 경우 목록은 스크롤 되어야 한다.
+- 추가된 연락처를 선택하여 상세 화면을 볼 수 있다.
+- 연락처 작성 중 뒤로가기 버튼을 누르면 확인 팝업이 나타난다.
+- 추가된 연락처는 앱을 다시 실행하면 유지되지 않는다.

app/build.gradle.kts

@@ -1,6 +1,7 @@
 plugins {
     id("com.android.application")
     id("org.jetbrains.kotlin.android")
+    id ("org.jetbrains.kotlin.kapt")
 }
 
 android {
@@ -33,6 +34,9 @@ android {
     kotlinOptions {
         jvmTarget = "17"
     }
+	buildFeatures {
+		viewBinding = true
+	}
 }
 
 dependencies {
@@ -41,7 +45,36 @@ dependencies {
     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")
+	implementation("androidx.activity:activity:1.9.0")
+	implementation("androidx.navigation:navigation-fragment-ktx:2.6.0")
+	implementation("androidx.navigation:navigation-ui-ktx:2.6.0")
+	testImplementation("junit:junit:4.13.2")
     androidTestImplementation("androidx.test.ext:junit:1.1.5")
     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+
+    val room_version = "2.6.1"
+
+    implementation("androidx.room:room-runtime:$room_version")
+    annotationProcessor("androidx.room:room-compiler:$room_version")
+
+    // To use Kotlin annotation processing tool (kapt)
+    kapt("androidx.room:room-compiler:$room_version")
+
+    // optional - Kotlin Extensions and Coroutines support for Room
+    implementation("androidx.room:room-ktx:$room_version")
+
+    // optional - RxJava2 support for Room
+    implementation("androidx.room:room-rxjava2:$room_version")
+
+    // optional - RxJava3 support for Room
+    implementation("androidx.room:room-rxjava3:$room_version")
+
+    // optional - Guava support for Room, including Optional and ListenableFuture
+    implementation("androidx.room:room-guava:$room_version")
+
+    // optional - Test helpers
+    testImplementation("androidx.room:room-testing:$room_version")
+
+    // optional - Paging 3 Integration
+    implementation("androidx.room:room-paging:$room_version")
 }

app/src/main/AndroidManifest.xml

@@ -12,15 +12,37 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.Contacts"
         tools:targetApi="31">
+        <activity
+            android:name=".ContactDetail"
+            android:exported="false" />
+        <activity
+            android:name=".MainActivity2"
+            android:exported="true"
+            android:theme="@style/Theme.Contacts">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
         <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>
+        <activity
+            android:name=".AddContact"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
     </application>
 
-</manifest>
+</manifest>

app/src/main/java/campus/tech/kakao/contacts/AddContact.kt

@@ -0,0 +1,178 @@
+package campus.tech.kakao.contacts
+
+import android.app.DatePickerDialog
+import android.os.Bundle
+import android.util.Log
+import android.view.KeyEvent
+import android.view.View
+import android.view.ViewGroup
+import android.widget.EditText
+import android.widget.PopupWindow
+import android.widget.RadioButton
+import android.widget.TextView
+import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import androidx.room.Room
+import campus.tech.kakao.contacts.Contact.Companion.MIGRATION_1_2
+import campus.tech.kakao.contacts.Contact.Companion.MIGRATION_2_3
+import java.time.Month
+import java.util.Calendar
+
+class AddContact : AppCompatActivity() {
+    // Declare UI elements
+    private lateinit var name: EditText
+    private lateinit var phone: EditText
+    private lateinit var mail: EditText
+    private lateinit var birth: TextView
+    private var sex:String? = null
+    private lateinit var female: RadioButton
+    private lateinit var male: RadioButton
+    private lateinit var memo: EditText
+    private lateinit var save: TextView
+    private lateinit var cancel: TextView
+    private lateinit var moreText: TextView
+    private lateinit var birthSexMemo: View
+
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_addcontact)
+        // Initialize UI elements
+        name = findViewById(R.id.name)
+        phone = findViewById(R.id.phone)
+        mail = findViewById(R.id.mail)
+        birth = findViewById(R.id.birth)
+        female = findViewById(R.id.female)
+        male = findViewById(R.id.male)
+        memo = findViewById(R.id.memo)
+        save = findViewById(R.id.save)
+        cancel = findViewById(R.id.cancel)
+        birthSexMemo = findViewById(R.id.birthSexMemo)
+        moreText = findViewById(R.id.moreText)
+        birth.setOnClickListener {
+            showDatePickerDialog()
+        }
+        // 더보기 버튼 클릭 시
+        moreText.setOnClickListener {
+            if (moreText.visibility == View.VISIBLE) {
+                moreText.visibility = View.GONE
+                birthSexMemo.visibility = View.VISIBLE
+            } else {
+                moreText.visibility = View.VISIBLE
+                birthSexMemo.visibility = View.GONE
+            }
+        }
+        // Initialize database
+        val database = Room.databaseBuilder(
+            applicationContext,
+            ContactDatabase::class.java, "database-name"
+        ).addMigrations(MIGRATION_1_2, MIGRATION_2_3).allowMainThreadQueries().build()
+
+        // 저장 버튼 클릭 시
+        save.setOnClickListener {
+            if (name.text.isEmpty()) {
+                Toast.makeText(this, "이름은 필수 값입니다", Toast.LENGTH_SHORT).show()
+            }
+            else if (phone.text.isEmpty()) {
+                Toast.makeText(this, "전화 번호는 필수 값입니다", Toast.LENGTH_SHORT).show()
+            }
+            else{
+                if (female.isChecked) {
+                    sex = "여자"
+                }
+                else if (male.isChecked) {
+                    sex = "남자"
+                }
+                // Insert data into database
+                val contact = Contact(
+                    name.text.toString(),
+                    phone.text.toString(),
+                    mail.text.toString(),
+                    birth.text.toString(),
+                    sex,
+                    memo.text.toString()
+                )
+                database.contactDao().insert(contact)
+                Toast.makeText(this, "저장이 완료 되었습니다", Toast.LENGTH_SHORT).show()
+                finish()
+            }
+
+        }
+        // 연락처 데이터 로그에 표시
+        fun loadAllData(){
+            if (database.contactDao() == null){
+                Log.d("contacttest", "null")
+            }
+            else{
+                val list = database.contactDao().getAll()
+                list.forEach {
+                    Log.d("contacttest", ""+it.id+", "+it.name+", "+it.phone+", "+it.email+", "+it.birth+", "+it.sex+", "+it.memo)
+                }
+            }
+        }
+        //취소 버튼 클릭 시
+        cancel.setOnClickListener {
+            Toast.makeText(this, "취소 되었습니다", Toast.LENGTH_SHORT).show()
+            loadAllData()
+            finish()
+        }
+
+
+
+
+    }
+
+    // 생일 선택 팝업창
+    fun showDatePickerDialog() {
+        val calendar = Calendar.getInstance()
+        val datePicker = DatePickerDialog(
+            this, {DatePicker, year:Int, month:Int, dayOfMonth:Int ->
+                //월과 일 포맷을 00으로 설정
+                var Month = "${month + 1}"
+                if (month < 9) {
+                    Month = "0${Month}"
+                }
+                var Day = "${dayOfMonth}"
+                if (dayOfMonth < 10) {
+                    Day = "0${Day}"
+                }
+                birth.text = "${year}.${Month}.${Day}"
+            }, calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH))
+        datePicker.show()
+    }
+    //팝업창 설정
+    fun popupMessage(){
+        //팝업 UI 설정
+        val popupView = layoutInflater.inflate(R.layout.popup_message, null)
+        val write = popupView.findViewById<TextView>(R.id.write)
+        val exit = popupView.findViewById<TextView>(R.id.exit)
+
+        val popupBuilder = AlertDialog.Builder(this).setView(popupView)
+        val popupWindow = popupBuilder.show()
+        //작성하기 버튼 클릭 시 팝업창 닫기
+        write.setOnClickListener {
+            popupWindow.dismiss()
+        }
+        //나가기 버튼 클릭 시 연락처 목록으로 이동
+        exit.setOnClickListener {
+            finish()
+        }
+    }
+
+    //뒤로 가기 버튼 클릭 시
+    override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
+        //뒤로 가기 버튼 클릭하고 나머지 텍스트가 있을 경우
+        if (keyCode == KeyEvent.KEYCODE_BACK
+            && (name.text.isNotEmpty() || phone.text.isNotEmpty()
+                    || mail.text.isNotEmpty() || birth.text.isNotEmpty()
+                    || (female.isChecked || male.isChecked) || memo.text.isNotEmpty())) {
+            popupMessage()
+            return true
+        }
+        else if (keyCode == KeyEvent.KEYCODE_BACK){
+            finish()
+        }
+        return false
+    }
+}

app/src/main/java/campus/tech/kakao/contacts/Contact.kt

@@ -0,0 +1,71 @@
+package campus.tech.kakao.contacts
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+@Entity
+class Contact (
+	@PrimaryKey(autoGenerate = true) val id: Int,
+	@ColumnInfo(name = "name") val name: String,
+	@ColumnInfo(name = "phone") val phone: String,
+	@ColumnInfo(name = "email") val email: String?,
+	@ColumnInfo(name = "birth") val birth: String?,
+	@ColumnInfo(name = "sex") val sex: String?,
+	@ColumnInfo(name = "memo") val memo: String?
+){
+	constructor(name: String, phone: String, email: String?, birth: String?, sex: String?, memo: String?):
+			this(0, name, phone, email, birth, sex, memo)
+
+	companion object {
+		// 테이블 변경 사항
+		val MIGRATION_1_2 = object : Migration(1, 2) {
+			override fun migrate(database: SupportSQLiteDatabase) {
+				database.execSQL(
+					"CREATE TABLE new_Contact (" +
+							"id INTEGER PRIMARY KEY NOT NULL, " +
+							"name TEXT NOT NULL, " +
+							"phone INTEGER NOT NULL, " +
+							"email TEXT, " +
+							"birth TEXT, " +
+							"sex TEXT, " +
+							"memo TEXT)"
+				)
+				// 데이터 복사
+				database.execSQL(
+					"INSERT INTO new_Contact (id, name, phone, email, birth, sex, memo) " +
+							"SELECT id, name, CAST(phone AS INTEGER), email, birth, sex, memo FROM Contact")
+				// 이전 테이블 제거
+				database.execSQL("DROP TABLE Contact")
+
+				// 새 테이블 이름 바꾸기
+				database.execSQL("ALTER TABLE new_Contact RENAME TO Contact")
+			}
+		}
+		val MIGRATION_2_3 = object : Migration(2, 3) {
+			override fun migrate(database: SupportSQLiteDatabase) {
+				database.execSQL(
+					"CREATE TABLE new_Contact (" +
+							"id INTEGER PRIMARY KEY NOT NULL, " +
+							"name TEXT NOT NULL, " +
+							"phone TEXT NOT NULL, " +
+							"email TEXT, " +
+							"birth TEXT, " +
+							"sex TEXT, " +
+							"memo TEXT)"
+				)
+				// 데이터 복사
+				database.execSQL(
+					"INSERT INTO new_Contact (id, name, phone, email, birth, sex, memo) " +
+							"SELECT id, name, CAST(phone AS TEXT), email, birth, sex, memo FROM Contact")
+				// 이전 테이블 제거
+				database.execSQL("DROP TABLE Contact")
+
+				// 새 테이블 이름 바꾸기
+				database.execSQL("ALTER TABLE new_Contact RENAME TO Contact")
+			}
+		}
+	}
+}

app/src/main/java/campus/tech/kakao/contacts/ContactDao.kt

@@ -0,0 +1,26 @@
+package campus.tech.kakao.contacts
+
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy.Companion.REPLACE
+import androidx.room.Query
+
+@Dao
+interface ContactDao {
+	@Insert(onConflict = REPLACE)
+	fun insert(contact: Contact)
+
+	@Query("SELECT * FROM Contact")
+	fun getAll(): List<Contact>
+
+	@Query("SELECT * FROM Contact WHERE id = :id")
+	fun getById(id: Int): Contact
+
+	@Query("DELETE FROM Contact WHERE id = :id")
+	fun deleteById(id: Int)
+
+	@Query("DELETE FROM Contact")
+	fun deleteAll()
+
+}
+