java\/<\/strong>: \uc790\ubc14 \uc18c\uc2a4 \ud30c\uc77c\uc774 \uc800\uc7a5\ub418\ub294 \ud3f4\ub354\ub85c, \uc571\uc758 \uc8fc\uc694 \ub85c\uc9c1\uc744 \uc791\uc131\ud558\ub294 \uacf3\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n4. \uac04\ub2e8\ud55c \uc571 \uac1c\ubc1c\ud558\uae30<\/h2>\n
\uc5ec\uae30\uc11c\ub294 \ubc84\ud2bc\uc744 \ud074\ub9ad\ud588\uc744 \ub54c “Hello, Android!”\ub77c\ub294 \uba54\uc2dc\uc9c0\ub97c \ud45c\uc2dc\ud558\ub294 \uac04\ub2e8\ud55c \uc571\uc744 \ub9cc\ub4e4\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
4.1 \ub808\uc774\uc544\uc6c3 \uc124\uc815<\/h3>\n
\uc6b0\uc120 activity_main.xml<\/code> \ud30c\uc77c\uc744 \uc218\uc815\ud558\uc5ec \ubc84\ud2bc\uacfc \ud14d\uc2a4\ud2b8 \ubdf0\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc774 \ud30c\uc77c\uc740 res\/layout\/<\/code> \ud3f4\ub354 \ub0b4\uc5d0 \uc704\uce58\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc758 \ucf54\ub4dc\ub97c \uc785\ub825\ud574 \uc8fc\uc138\uc694:<\/p>\n<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<RelativeLayout xmlns:android=\"http:\/\/schemas.android.com\/apk\/res\/android\"\n android:layout_width=\"match_parent\"\n android:layout_height=\"match_parent\">\n\n <TextView\n android:id=\"@+id\/text_view\"\n android:layout_width=\"wrap_content\"\n android:layout_height=\"wrap_content\"\n android:text=\"Hello!\"\n android:layout_centerInParent=\"true\"\n android:textSize=\"24sp\" \/>\n\n <Button\n android:id=\"@+id\/button\"\n android:layout_width=\"wrap_content\"\n android:layout_height=\"wrap_content\"\n android:text=\"\ud074\ub9ad\ud558\uc138\uc694\"\n android:layout_below=\"@id\/text_view\"\n android:layout_centerHorizontal=\"true\"\n android:layout_marginTop=\"20dp\" \/>\n\n<\/RelativeLayout>\n<\/code><\/pre>\n4.2 \uc790\ubc14 \ucf54\ub4dc \uc791\uc131<\/h3>\n
\ub2e4\uc74c\uc73c\ub85c, \uba54\uc778 \uc561\ud2f0\ube44\ud2f0 \ud30c\uc77c(MainActivity.java<\/code>)\uc744 \uc218\uc815\ud558\uc5ec \ubc84\ud2bc \ud074\ub9ad \uc774\ubca4\ud2b8\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4. java\/com.example.yourapp\/<\/code> \ud3f4\ub354 \ub0b4\uc5d0 \uc704\uce58\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc758 \ucf54\ub4dc\ub85c \uc218\uc815\ud574 \uc8fc\uc138\uc694:<\/p>\npackage com.example.yourapp;\n\nimport android.os.Bundle;\nimport android.view.View;\nimport android.widget.Button;\nimport android.widget.TextView;\nimport androidx.appcompat.app.AppCompatActivity;\n\npublic class MainActivity extends AppCompatActivity {\n\n private TextView textView;\n private Button button;\n\n @Override\n protected void onCreate(Bundle savedInstanceState) {\n super.onCreate(savedInstanceState);\n setContentView(R.layout.activity_main);\n\n textView = findViewById(R.id.text_view);\n button = findViewById(R.id.button);\n\n button.setOnClickListener(new View.OnClickListener() {\n @Override\n public void onClick(View v) {\n textView.setText(\"Hello, Android!\");\n }\n });\n }\n}\n<\/code><\/pre>\n5. \uc571 \uc2e4\ud589\ud558\uae30<\/h2>\n
\uc774\uc81c \uc571\uc744 \uc2e4\ud589\ud560 \ucc28\ub840\uc785\ub2c8\ub2e4. \uc544\ub798\uc758 \ub2e8\uacc4\ub97c \ub530\ub77c \uc9c4\ud589\ud574 \uc8fc\uc138\uc694.<\/p>\n
\n- \uc548\ub4dc\ub85c\uc774\ub4dc \uc2a4\ud29c\ub514\uc624\uc758 \ud234\ubc14\uc5d0\uc11c “Run” \ubc84\ud2bc\uc744 \ud074\ub9ad\ud569\ub2c8\ub2e4.<\/li>\n
- \uac00\uc0c1 \uc7a5\uce58 \ub610\ub294 \ubb3c\ub9ac\uc801 \uc7a5\uce58\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. \uac00\uc0c1 \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\ub824\uba74 Android Virtual Device(AVD)\ub97c \uc124\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uae30\ubcf8\uc801\uc73c\ub85c AVD\uac00 \uc124\uce58\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc740 \uacbd\uc6b0, AVD Manager\ub97c \ud1b5\ud574 \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n
- \uc571\uc774 \ube4c\ub4dc\ub418\uba74 \uc120\ud0dd\ud55c \uc7a5\uce58\uc5d0\uc11c \uc2e4\ud589\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n
5.1 AVD \uc124\uc815\ud558\uae30<\/h3>\n
\uac00\uc0c1 \uc7a5\uce58\ub97c \uc124\uc815\ud558\ub824\uba74 \ub2e4\uc74c \ub2e8\uacc4\ub97c \uc218\ud589\ud558\uc2ed\uc2dc\uc624:<\/p>\n
\n- \uc548\ub4dc\ub85c\uc774\ub4dc \uc2a4\ud29c\ub514\uc624\uc5d0\uc11c “AVD Manager” \uc544\uc774\ucf58\uc744 \ud074\ub9ad\ud569\ub2c8\ub2e4.<\/li>\n
- “Create Virtual Device”\ub97c \ud074\ub9ad\ud558\uace0 \uc6d0\ud558\ub294 \uc7a5\uce58\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li>\n
- \uc120\ud0dd\ud55c \uc7a5\uce58\uc5d0 \uc0ac\uc6a9\ud560 \uc2dc\uc2a4\ud15c \uc774\ubbf8\uc9c0\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li>\n
- “Finish”\ub97c \ud074\ub9ad\ud558\uc5ec \uac00\uc0c1 \uc7a5\uce58\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n
6. \uc571 \uc2e4\ud589 \uacb0\uacfc<\/h2>\n
\uc571\uc774 \uc131\uacf5\uc801\uc73c\ub85c \uc2e4\ud589\ub41c\ub2e4\uba74, \ubc84\ud2bc\uc744 \ud074\ub9ad\ud588\uc744 \ub54c “Hello, Android!”\ub77c\ub294 \uba54\uc2dc\uc9c0\uac00 TextView<\/code>\uc5d0 \ud45c\uc2dc\ub429\ub2c8\ub2e4. \uc774\ub807\uac8c \uac04\ub2e8\ud55c \uc571\uc744 \ud1b5\ud574 \uc548\ub4dc\ub85c\uc774\ub4dc \uac1c\ubc1c\uc758 \uae30\ubcf8\uc801\uc778 \ud750\ub984\uc744 \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n7. \uacb0\ub860<\/h2>\n
\uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 \uc790\ubc14\ub97c \ud65c\uc6a9\ud55c \uc548\ub4dc\ub85c\uc774\ub4dc \uc571\uac1c\ubc1c\uc758 \uc2dc\uc791\uc744 \ub2e4\ub8e8\uc5c8\uc2b5\ub2c8\ub2e4. \uc548\ub4dc\ub85c\uc774\ub4dc \uc2a4\ud29c\ub514\uc624\uc758 \uc124\uce58 \ubc29\ubc95, \uc0c8\ub85c\uc6b4 \ud504\ub85c\uc81d\ud2b8 \uc0dd\uc131, \uc571 \uad6c\uc870 \uc774\ud574, \uac04\ub2e8\ud55c \uc571 \uac1c\ubc1c \ubc0f \uc2e4\ud589 \ubc29\ubc95\uae4c\uc9c0 \ucd1d 7\ub2e8\uacc4\ub85c \ub098\ub204\uc5b4 \uc124\uba85\ud588\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacfc\uc815\uc744 \ud1b5\ud574 \uac1c\ubc1c\uc790\ub294 \uae30\ubcf8\uc801\uc778 \uc571\uc744 \uc190\uc27d\uac8c \ub9cc\ub4e4\uace0 \uc2e4\ud589\ud560 \uc218 \uc788\uac8c \ub418\uba70, \uc774\ud6c4\uc5d0\ub294 \ub354 \ubcf5\uc7a1\ud55c \uc571 \uac1c\ubc1c\ub85c \ub098\uc544\uac08 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc774\uc81c \uc5ec\ub7ec\ubd84\uc740 \uc790\ubc14\uc640 \uc548\ub4dc\ub85c\uc774\ub4dc \uc2a4\ud29c\ub514\uc624\ub97c \ud65c\uc6a9\ud558\uc5ec \uc790\uc2e0\uc758 \uc571\uc744 \uac1c\ubc1c\ud560 \uc218 \uc788\ub294 \uae30\ubcf8\uae30\ub97c \uac16\ucd94\uac8c \ub41c \uac83\uc785\ub2c8\ub2e4. \uc55e\uc73c\ub85c gele\uc5d0\uc11c \ubcf4\ub2e4 \ub2e4\uc591\ud55c \uae30\ub2a5\uacfc \uc5f0\uad00\ub41c \ud0d0\uc0c9\uc744 \ud1b5\ud574 \uc790\ubc14\uc640 \uc548\ub4dc\ub85c\uc774\ub4dc \uac1c\ubc1c\uc758 \uae4a\uc774\ub97c \ub354\ud574\ubcf4\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n
8. \ub2e4\uc74c \ub2e8\uacc4: \ub354 \uc775\uc219\ud574\uc9c0\uae30<\/h2>\n
\uc5ec\uae30\uc11c \ud55c \uac78\uc74c \ub354 \ub098\uc544\uac00\ub824\uba74, \ub2e4\uc591\ud55c \ub9ac\uc18c\uc2a4\ub97c \ud65c\uc6a9\ud558\uc5ec \uc790\uc2e0\uc758 \uc571\uc744 \ubc1c\uc804\uc2dc\ud0a4\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc740 \uc8fc\uc81c\ub4e4\uc744 \ub2e4\ub8e8\uc5b4 \ubcf4\uc2dc\uba74 \uc88b\uc2b5\ub2c8\ub2e4:<\/p>\n
\n- \uc548\ub4dc\ub85c\uc774\ub4dc UI \ucef4\ud3ec\ub10c\ud2b8: ListView, RecyclerView, Toolbar \ub4f1<\/li>\n
- \ub370\uc774\ud130 \uc800\uc7a5: SQLite, Shared Preferences<\/li>\n
- \ub124\ud2b8\uc6cc\ud0b9: Retrofit, Volley<\/li>\n
- \uba40\ud2f0\ubbf8\ub514\uc5b4: \uce74\uba54\ub77c, \uc624\ub514\uc624 \ub179\uc74c \uae30\ub2a5 \ub4f1<\/li>\n<\/ul>\n
\uc774 \ubaa8\ub4e0 \uacfc\uc815\ub4e4\uc774 \uc5ec\ub7ec\ubd84\uc744 \ub354 \ub098\uc740 \uc548\ub4dc\ub85c\uc774\ub4dc \uac1c\ubc1c\uc790\ub85c \uc131\uc7a5\uc2dc\ud0a4\ub294 \ub370 \uc911\uc694\ud55c \uae38\uc7a1\uc774\uac00 \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n