\n \uc548\ub4dc\ub85c\uc774\ub4dc \uac1c\ubc1c\uc744 \uc9c4\ud589\ud558\ub2e4 \ubcf4\uba74 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc77c\ubd80 \uc124\uc815\uac12\uc774\ub098 \uc0ac\uc6a9\uc790 \uc815\ubcf4\ub97c \ubcf4\uad00\ud574\uc57c \ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \n \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4\ub294 \uc548\ub4dc\ub85c\uc774\ub4dc\uc758 \uacbd\ub7c9 \ub370\uc774\ud130 \uc800\uc7a5\uc18c\ub85c, \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc124\uc815, \uc0ac\uc6a9\uc790 \uc815\ubcf4 \ub4f1\uc744 \uc27d\uac8c \uc800\uc7a5\ud558\uace0 \ubcf5\uad6c\ud560 \uc218 \uc788\ub294 \n \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub294 \uacfc\uc815\uc740 \ud06c\uac8c \uc138 \ub2e8\uacc4\ub85c \ub098\ub20c \uc218 \uc788\uc2b5\ub2c8\ub2e4: \n \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4\ub97c \uc0dd\uc131\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc758 \ucf54\ub4dc\ub294 `MainActivity` \ud074\ub798\uc2a4\uc5d0\uc11c \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4\ub97c \uc0dd\uc131\ud558\ub294 \uc608\uc2dc\uc785\ub2c8\ub2e4.\n <\/p>\n \n \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4\uc5d0 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud560 \ub54c\ub294 `Editor`\ub97c \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \uc544\ub798\ub294 \uc0ac\uc6a9\uc790 \uc774\ub984\uacfc \ub098\uc774\ub97c \uc800\uc7a5\ud558\ub294 \uc608\uc81c\uc785\ub2c8\ub2e4.\n <\/p>\n \n \uc800\uc7a5\ud55c \ub370\uc774\ud130\ub97c \uc870\ud68c\ud560 \ub54c\ub294 `getString` \ub610\ub294 `getInt` \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc544\ub798\uc758 \ucf54\ub4dc\ub294 \uc800\uc7a5\ub41c \uc0ac\uc6a9\uc790 \uc815\ubcf4\ub97c \uc870\ud68c\ud558\ub294 \uc608\uc81c\uc785\ub2c8\ub2e4.\n <\/p>\n \n \uc544\ub798\ub294 \uc804\uccb4\uc801\uc778 \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4\ub97c \ud65c\uc6a9\ud55c \uc608\uc81c \ucf54\ub4dc\uc785\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\uac00 \uc785\ub825\ud55c \uc815\ubcf4\ub97c \uc800\uc7a5\ud558\uace0, \uc800\uc7a5\ub41c \uc815\ubcf4\ub97c \ud654\uba74\uc5d0 \ud45c\uc2dc\ud558\ub294 \uc571\uc744 \ub9cc\ub4e4\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n \n \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4\ub294 \uc801\uc740 \uc591\uc758 \ub370\uc774\ud130 \uc800\uc7a5\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \n \ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4\ub97c \ud1b5\ud574 \uac04\ub2e8\ud55c \uc0ac\uc6a9\uc790 \uc815\ubcf4\ub97c \uc800\uc7a5\ud558\uace0 \uc870\ud68c\ud558\ub294 \ubc29\ubc95\uc744 \ubc30\uc6b0\uc558\uc2b5\ub2c8\ub2e4. <\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
\n \uc774\ub54c \uc0ac\uc6a9\ub418\ub294 \uac83\uc774 \ubc14\ub85c \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4(SharedPreferences)<\/strong>\uc785\ub2c8\ub2e4.
\n \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4\ub294 \uac04\ub2e8\ud55c \ud0a4-\uac12 \uc30d\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \ub370 \uc720\uc6a9\ud558\uba70, \uc801\uc740 \uc591\uc758 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \ub370 \uc801\ud569\ud569\ub2c8\ub2e4.
\n \ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4\ub97c \ud65c\uc6a9\ud558\uc5ec \uc0ac\uc6a9\uc790 \uc815\ubcf4\ub97c \uc800\uc7a5\ud558\uace0 \ubd88\ub7ec\uc624\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n1. \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4\ub780?<\/h2>\n
\n \uba54\ucee4\ub2c8\uc998\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc791\uc740 \ub370\uc774\ud130 \uc138\ud2b8\ub97c \uc800\uc7a5\ud558\ub294 \ub370 \uc801\ud569\ud558\uba70, \ub370\uc774\ud130\ub294 \uc571\uc758 \ub370\uc774\ud130 \ub514\ub809\ud1a0\ub9ac\uc5d0 XML \ud30c\uc77c \ud615\uc2dd\uc73c\ub85c \uc800\uc7a5\ub429\ub2c8\ub2e4.\n <\/p>\n2. \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub294 \uc774\uc720<\/h2>\n
\n
3. \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4\uc758 \uae30\ubcf8 \uc0ac\uc6a9\ubc95<\/h2>\n
\n \uc0dd\uc131<\/strong>, \ub370\uc774\ud130 \uc800\uc7a5<\/strong>, \ub370\uc774\ud130 \uc870\ud68c<\/strong>.\n <\/p>\n3.1 \uacf5\uc720\ub41c \ud504\ub9ac\ud37c\ub7f0\uc2a4 \uc0dd\uc131<\/h3>\n
SharedPreferences sharedPreferences = getSharedPreferences(\"MyPreferences\", MODE_PRIVATE);<\/code><\/pre>\n3.2 \ub370\uc774\ud130 \uc800\uc7a5<\/h3>\n
\nSharedPreferences.Editor editor = sharedPreferences.edit();\neditor.putString(\"username\", \"\ud64d\uae38\ub3d9\");\neditor.putInt(\"age\", 25);\neditor.apply();\n<\/code><\/pre>\n3.3 \ub370\uc774\ud130 \uc870\ud68c<\/h3>\n
\nString username = sharedPreferences.getString(\"username\", \"\uae30\ubcf8\uac12\");\nint age = sharedPreferences.getInt(\"age\", 0);\n<\/code><\/pre>\n4. \uc2e4\uc2b5 \uc608\uc81c<\/h2>\n
4.1 \ub808\uc774\uc544\uc6c3 \ud30c\uc77c (activity_main.xml)<\/h3>\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\/editTextUsername\"\n android:layout_width=\"match_parent\"\n android:layout_height=\"wrap_content\"\n android:hint=\"\uc0ac\uc6a9\uc790 \uc774\ub984\"\/>\n\n <EditText\n android:id=\"@+id\/editTextAge\"\n android:layout_width=\"match_parent\"\n android:layout_height=\"wrap_content\"\n android:hint=\"\ub098\uc774\"\n android:inputType=\"number\"\/>\n\n <Button\n android:id=\"@+id\/buttonSave\"\n android:layout_width=\"wrap_content\"\n android:layout_height=\"wrap_content\"\n android:text=\"\uc800\uc7a5\"\/>\n\n <TextView\n android:id=\"@+id\/textViewResult\"\n android:layout_width=\"wrap_content\"\n android:layout_height=\"wrap_content\"\/>\n\n <\/LinearLayout><\/code><\/pre>\n4.2 \uba54\uc778 \uc561\ud2f0\ube44\ud2f0 (MainActivity.java)<\/h3>\n
import android.content.SharedPreferences;\n import android.os.Bundle;\n import android.view.View;\n import android.widget.Button;\n import android.widget.EditText;\n import android.widget.TextView;\n import androidx.appcompat.app.AppCompatActivity;\n\n public class MainActivity extends AppCompatActivity {\n\n private SharedPreferences sharedPreferences;\n private EditText editTextUsername, editTextAge;\n private TextView textViewResult;\n\n @Override\n protected void onCreate(Bundle savedInstanceState) {\n super.onCreate(savedInstanceState);\n setContentView(R.layout.activity_main);\n\n editTextUsername = findViewById(R.id.editTextUsername);\n editTextAge = findViewById(R.id.editTextAge);\n textViewResult = findViewById(R.id.textViewResult);\n Button buttonSave = findViewById(R.id.buttonSave);\n\n sharedPreferences = getSharedPreferences(\"MyPreferences\", MODE_PRIVATE);\n loadStoredData();\n\n buttonSave.setOnClickListener(new View.OnClickListener() {\n @Override\n public void onClick(View v) {\n String username = editTextUsername.getText().toString();\n int age = Integer.parseInt(editTextAge.getText().toString());\n saveData(username, age);\n }\n });\n }\n\n private void saveData(String username, int age) {\n SharedPreferences.Editor editor = sharedPreferences.edit();\n editor.putString(\"username\", username);\n editor.putInt(\"age\", age);\n editor.apply();\n loadStoredData();\n }\n\n private void loadStoredData() {\n String username = sharedPreferences.getString(\"username\", \"\uae30\ubcf8\uac12\");\n int age = sharedPreferences.getInt(\"age\", 0);\n textViewResult.setText(\"\uc0ac\uc6a9\uc790 \uc774\ub984: \" + username + \"\\n\ub098\uc774: \" + age);\n }\n }<\/code><\/pre>\n5. \uc8fc\uc758\uc0ac\ud56d<\/h2>\n
\n \ud070 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\uac70\ub098 \ubcf5\uc7a1\ud55c \ub370\uc774\ud130 \uad6c\uc870\ub97c \uc800\uc7a5\ud574\uc57c \ud558\ub294 \uacbd\uc6b0 SQLite \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub098 Room \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.\n <\/p>\n6. \uacb0\ub860<\/h2>\n
\n \uc774\ub7ec\ud55c \uae30\ub2a5\uc744 \ud65c\uc6a9\ud558\uc5ec \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ub2e4\uc591\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n \ucd94\ud6c4\uc5d0\ub294 Room \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub354 \ub9ce\uc740 \ub370\uc774\ud130\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uad00\ub9ac\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574\uc11c\ub3c4 \ub2e4\ub8f0 \uc608\uc815\uc785\ub2c8\ub2e4.\n <\/p>\n