\n \ubcf8 \uae00\uc5d0\uc11c\ub294 \uc790\ubc14\ub97c \ud65c\uc6a9\ud558\uc5ec \uc548\ub4dc\ub85c\uc774\ub4dc \ud50c\ub7ab\ud3fc\uc5d0\uc11c \uac1c\uc120\ub41c \ud560 \uc77c \ubaa9\ub85d(To-Do List) \uc571\uc744 \uac1c\ubc1c\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4. \uc774 \uac15\uc88c\ub294 \ucd08\uae09\uc790\ubd80\ud130 \uc911\uae09\uc790\uae4c\uc9c0 \ubaa8\ub450\uac00 \ub530\ub77c\ud560 \uc218 \uc788\ub3c4\ub85d \uc0c1\uc138\ud558\uac8c \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \uae30\ucd08\uc801\uc778 \ud560 \uc77c \ubaa9\ub85d \uc571\uc744 \ub9cc\ub4e4\uace0, \uae30\ub2a5\uc744 \uac1c\uc120\ud558\uc5ec \uc0ac\uc6a9\uc790\uc5d0\uac8c \ub354 \ub098\uc740 \uacbd\ud5d8\uc744 \uc81c\uacf5\ud558\ub294 \ubc29\ubc95\uc744 \ubc30\uc6c1\ub2c8\ub2e4.\n <\/p>\n
\n Android Studio\ub97c \uc5f4\uace0 \uc0c8\ub85c\uc6b4 \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \u201cEmpty Activity\u201d\ub97c \uc120\ud0dd\ud558\uace0, \ud504\ub85c\uc81d\ud2b8 \uc774\ub984\uc744 \u201cToDoListApp\u201d, \ud328\ud0a4\uc9c0 \uc774\ub984\uc744 \u201ccom.example.todolist\u201d\ub85c \uc124\uc815\ud569\ub2c8\ub2e4.\n <\/p>\n
\n Kotlin \ub300\uc2e0 Java\ub97c \uc120\ud0dd\ud558\uc5ec \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \uc124\uc815\ub41c \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uae30\ubcf8\uc801\uc778 \uad6c\uc870\uac00 \uc790\ub3d9\uc73c\ub85c \uc0dd\uc131\ub429\ub2c8\ub2e4.\n <\/p>\n
\n \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\ub294 \uc8fc\ub85c XML\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc124\uacc4\ud558\uba70, \uc544\ub798\uc640 \uac19\uc740 \ub808\uc774\uc544\uc6c3\uc744 \uad6c\uc131\ud569\ub2c8\ub2e4. \u2018activity_main.xml\u2019 \ud30c\uc77c\uc744 \uc5f4\uace0 \uc544\ub798 \ucf54\ub4dc\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4.\n <\/p>\n
\n \n <LinearLayout xmlns:android=\"http:\/\/schemas.android.com\/apk\/res\/android\"\n android:layout_width=\"match_parent\"\n android:layout_height=\"match_parent\"\n android:orientation=\"vertical\">\n\n <EditText\n android:id=\"@+id\/editTextTask\"\n android:layout_width=\"match_parent\"\n android:layout_height=\"wrap_content\"\n android:hint=\"\ud560 \uc77c\uc744 \uc785\ub825\ud558\uc138\uc694\"\/>\n\n <Button\n android:id=\"@+id\/buttonAdd\"\n android:layout_width=\"wrap_content\"\n android:layout_height=\"wrap_content\"\n android:text=\"\ucd94\uac00\"\/>\n\n <ListView\n android:id=\"@+id\/listViewTasks\"\n android:layout_width=\"match_parent\"\n android:layout_height=\"0dp\"\n android:layout_weight=\"1\"\/>\n\n <\/LinearLayout>\n <\/code>\n <\/pre>\n\n \uc704 \ucf54\ub4dc\uc5d0\uc11c EditText\ub294 \uc0ac\uc6a9\uc790\uac00 \ud560 \uc77c\uc744 \uc785\ub825\ud560 \uc218 \uc788\ub294 \ud14d\uc2a4\ud2b8 \ud544\ub4dc\ub97c \uc81c\uacf5\ud558\uba70, Button\uc740 \ud560 \uc77c\uc744 \ubaa9\ub85d\uc5d0 \ucd94\uac00\ud558\ub294 \ubc84\ud2bc\uc785\ub2c8\ub2e4. ListView\ub294 \ucd94\uac00\ub41c \ud560 \uc77c \ubaa9\ub85d\uc744 \ud45c\uc2dc\ud569\ub2c8\ub2e4.\n <\/p>\n
3. \ub370\uc774\ud130 \uc800\uc7a5\uc18c \ubc0f \uad00\ub9ac<\/h2>\n
\n \ud560 \uc77c \ubaa9\ub85d\uc744 \uc800\uc7a5\ud558\uae30 \uc704\ud574 List\uc640 \uac19\uc740 \uc790\ub8cc\uad6c\uc870\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub9ac\uc2a4\ud2b8\uc5d0 \ucd94\uac00\ud560 \ud56d\ubaa9\uc744 \ubaa8\ub378 \ud074\ub798\uc2a4\uc778 \u201cTask\u201d\ub85c \uc815\uc758\ud569\ub2c8\ub2e4.\n <\/p>\n
\n \n public class Task {\n private String task;\n private boolean isCompleted;\n\n public Task(String task) {\n this.task = task;\n this.isCompleted = false;\n }\n\n public String getTask() {\n return task;\n }\n\n public boolean isCompleted() {\n return isCompleted;\n }\n\n public void completeTask() {\n isCompleted = true;\n }\n }\n <\/code>\n <\/pre>\n\n \uc774\uc81c MainActivity.java\uc5d0\uc11c \uc785\ub825\ub41c \ud560 \uc77c\uc744 \ubaa9\ub85d\uc5d0 \ucd94\uac00\ud558\uae30 \uc704\ud55c \ub85c\uc9c1\uc744 \uad6c\ud604\ud569\ub2c8\ub2e4. ListView\uc640 ArrayAdapter\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub9ac\uc2a4\ud2b8\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4.\n <\/p>\n
4. \ud560 \uc77c \ucd94\uac00 \ubc0f \uc0ad\uc81c \uae30\ub2a5 \uad6c\ud604<\/h2>\n
\n MainActivity.java \ud30c\uc77c\uc744 \uc5f4\uace0 \ud560 \uc77c\uc744 \ucd94\uac00\ud558\ub294 \uae30\ub2a5\uc744 \uad6c\ud604\ud569\ub2c8\ub2e4. \uc544\ub798 \ucf54\ub4dc\ub97c \ucd94\uac00\ud558\uc138\uc694.\n <\/p>\n
\n \n import android.os.Bundle;\n import android.view.View;\n import android.widget.AdapterView;\n import android.widget.ArrayAdapter;\n import android.widget.Button;\n import android.widget.EditText;\n import android.widget.ListView;\n\n import androidx.appcompat.app.AppCompatActivity;\n\n import java.util.ArrayList;\n\n public class MainActivity extends AppCompatActivity {\n\n private ArrayList<Task> taskList;\n private ArrayAdapter<String> adapter;\n private EditText editTextTask;\n private ListView listViewTasks;\n\n @Override\n protected void onCreate(Bundle savedInstanceState) {\n super.onCreate(savedInstanceState);\n setContentView(R.layout.activity_main);\n\n editTextTask = findViewById(R.id.editTextTask);\n Button buttonAdd = findViewById(R.id.buttonAdd);\n listViewTasks = findViewById(R.id.listViewTasks);\n\n taskList = new ArrayList<>();\n adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, new ArrayList<>());\n listViewTasks.setAdapter(adapter);\n\n buttonAdd.setOnClickListener(new View.OnClickListener() {\n @Override\n public void onClick(View v) {\n String taskInput = editTextTask.getText().toString();\n if (!taskInput.isEmpty()) {\n Task task = new Task(taskInput);\n taskList.add(task);\n adapter.add(task.getTask());\n editTextTask.setText(\"\");\n }\n }\n });\n\n listViewTasks.setOnItemClickListener(new AdapterView.OnItemClickListener() {\n @Override\n public void onItemClick(AdapterView<?> parent, View view, int position, long id) {\n Task task = taskList.get(position);\n if (task.isCompleted()) {\n task.completeTask();\n } else {\n task.completeTask();\n }\n adapter.notifyDataSetChanged();\n }\n });\n }\n }\n <\/code>\n <\/pre>\n\n \uc704\uc758 \ucf54\ub4dc\uc5d0\uc11c \uc0ac\uc6a9\uc790\uac00 \uc785\ub825\ud55c \ud560 \uc77c\uc744 \ud655\uc778\ud558\uc5ec \ub9ac\uc2a4\ud2b8\uc5d0 \ucd94\uac00\ud558\ub294 \uae30\ub2a5\uacfc \ub9ac\uc2a4\ud2b8 \ud56d\ubaa9\uc744 \ud074\ub9ad \uc2dc \uc644\ub8cc \uc5ec\ubd80\ub97c \ud1a0\uae00\ud558\ub294 \uae30\ub2a5\uc744 \uad6c\ud604\ud588\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc0ac\uc6a9\uc790\ub294 \ud560 \uc77c\uc758 \uc0c1\ud0dc\ub97c \uc27d\uac8c \uad00\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n
5. \ud560 \uc77c \uc644\ub8cc \ud45c\uc2dc \uae30\ub2a5 \uad6c\ud604<\/h2>\n
\n \uc0ac\uc6a9\uc790\uac00 \ud560 \uc77c\uc744 \uc644\ub8cc\ud588\uc744 \ub54c \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uac1c\uc120\ud558\uae30 \uc704\ud574\uc11c \ud56d\ubaa9\uc758 \ubc30\uacbd\uc0c9\uc744 \ubcc0\uacbd\ud558\ub294 \ubc29\ubc95\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4. ArrayAdapter\uc5d0\uc11c getView \uba54\uc11c\ub4dc\ub97c \uc7ac\uc815\uc758\ud558\uc5ec \uc644\ub8cc\ub41c \ud56d\ubaa9\uc758 \uc0c9\uc0c1\uc744 \ubcc0\uacbd\ud569\ub2c8\ub2e4.\n <\/p>\n
\n \n import android.content.Context;\n import android.graphics.Color;\n import android.view.LayoutInflater;\n import android.view.View;\n import android.view.ViewGroup;\n import android.widget.ArrayAdapter;\n import android.widget.TextView;\n\n import java.util.List;\n\n public class TaskAdapter extends ArrayAdapter<Task> {\n\n public TaskAdapter(Context context, List<Task> tasks) {\n super(context, 0, tasks);\n }\n\n @Override\n public View getView(int position, View convertView, ViewGroup parent) {\n Task task = getItem(position);\n if (convertView == null) {\n convertView = LayoutInflater.from(getContext()).inflate(android.R.layout.simple_list_item_1, parent, false);\n }\n TextView textView = convertView.findViewById(android.R.id.text1);\n textView.setText(task.getTask());\n if (task.isCompleted()) {\n textView.setTextColor(Color.GRAY);\n } else {\n textView.setTextColor(Color.BLACK);\n }\n return convertView;\n }\n }\n <\/code>\n <\/pre>\n\n MainActivity.java\uc5d0\uc11c adapter\ub97c TaskAdapter\ub85c \uad50\uccb4\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\uc81c \uc0ac\uc6a9\uc790\ub294 \uc644\ub8cc\ub41c \ud56d\ubaa9\uc758 \uc0c9\uc0c1\uc774 \ud68c\uc0c9\uc73c\ub85c \ubcc0\uacbd\ub418\uc5b4 \uc27d\uac8c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n
6. \uc571\uc758 UI \uac1c\uc120<\/h2>\n
\n \uc571\uc758 \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uae30 \uc704\ud574 \ub2e4\uc591\ud55c UI \uc694\uc18c\ub97c \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc0ac\uc6a9\uc790\uc5d0\uac8c \ud560 \uc77c\uc744 \uc785\ub825\ud558\ub77c\ub294 \uc548\ub0b4 \uba54\uc2dc\uc9c0\ub97c \ucd94\uac00\ud558\uac70\ub098, \uc0ac\uc6a9\uc790\uac00 \ud560 \uc77c\uc744 \uc644\ub8cc\ud55c \ud6c4 \ud655\uc778 \uba54\uc2dc\uc9c0\ub97c \ud45c\uc2dc\ud558\ub294 \ubc29\ubc95\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ucd94\uac00\ub85c, RecyclerView\ub97c \uc0ac\uc6a9\ud558\uba74 \ud6a8\uc728\uc801\uc778 \ub370\uc774\ud130 \uad00\ub9ac\ub97c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n
\n \n <androidx.recyclerview.widget.RecyclerView\n android:id=\"@+id\/recyclerViewTasks\"\n android:layout_width=\"match_parent\"\n android:layout_height=\"0dp\"\n android:layout_weight=\"1\"\/>\n <\/code>\n <\/pre>\n\n RecyclerView\ub97c \uc0ac\uc6a9\ud558\uba74 \ub354 \ub9ce\uc740 \ub370\uc774\ud130 \ud56d\ubaa9\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac04\ub2e8\ud55c \uc544\uc774\ud15c \ud074\ub9ad \uc560\ub2c8\uba54\uc774\uc158\uc744 \ucd94\uac00\ud558\uc5ec \uc0ac\uc6a9\uc790\uac00 \uc571\uc744 \uc0ac\uc6a9\ud558\uba74\uc11c \ub354 \ub098\uc740 \uacbd\ud5d8\uc744 \ud560 \uc218 \uc788\ub3c4\ub85d \ub9cc\ub4e4\uc5b4\ubcf4\uc138\uc694.\n <\/p>\n
7. \uc571 \ubc30\ud3ec \ubc0f \ub9c8\ubb34\ub9ac<\/h2>\n
\n \uc571 \uac1c\ubc1c\uc744 \uc644\ub8cc\ud558\uace0 \ub098\uba74, Google Play Store\uc5d0 \ubc30\ud3ec\ud558\uc5ec \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. AndroidManifest.xml \ud30c\uc77c\uc5d0 \ud544\uc694\ud55c \uad8c\ud55c\uc744 \uc124\uc815\ud558\uace0, \uc571\uc744 \ube4c\ub4dc\ud558\uc5ec APK \ud30c\uc77c\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4.\n <\/p>\n
\n \ubc30\ud3ec \ud6c4 \uc0ac\uc6a9\uc790 \ud53c\ub4dc\ubc31\uc744 \ud1b5\ud574 \uc571\uc744 \uc9c0\uc18d\uc801\uc73c\ub85c \uac1c\uc120\ud560 \uc218 \uc788\uc73c\uba70, \ucd94\uac00\uc801\uc778 \uae30\ub2a5\uc744 \uc5c5\ub370\uc774\ud2b8 \uc2dc \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc744 \ub354\uc6b1 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n
\uacb0\ub860<\/h2>\n
\n \uc624\ub298\uc740 \uc790\ubc14\uc640 Android Studio\ub97c \ud65c\uc6a9\ud558\uc5ec \uac1c\uc120\ub41c \ud560 \uc77c \ubaa9\ub85d \uc571\uc744 \uac1c\ubc1c\ud558\ub294 \uacfc\uc815\uc744 \uc0b4\ud3b4\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \uc5ec\ub7ec\ubd84\uc774 \ubc30\uc6b4 \ub0b4\uc6a9\uc774 \uc2e4\uc81c \uc571 \uac1c\ubc1c\uc5d0 \ub3c4\uc6c0\uc774 \ub418\uae38 \ubc14\ub78d\ub2c8\ub2e4. \ucd94\uac00\uc801\uc778 \uae30\ub2a5 \uad6c\ud604\uc73c\ub85c \uc571\uc744 \ub354\uc6b1 \ubc1c\uc804\uc2dc\ud0a4\uace0 \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc720\uc6a9\ud55c \ub3c4\uad6c\ub85c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c \uac15\uc88c\uc5d0\uc11c\ub294 \ub354 \uc2ec\ud654\ub41c \uc8fc\uc81c\ub97c \ub2e4\ub8f0 \uc608\uc815\uc774\ub2c8 \ub9ce\uc740 \uae30\ub300 \ubd80\ud0c1\ub4dc\ub9bd\ub2c8\ub2e4.\n <\/p>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"