{"id":30649,"date":"2024-10-28T04:01:22","date_gmt":"2024-10-28T04:01:22","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=30649"},"modified":"2024-11-26T06:47:53","modified_gmt":"2024-11-26T06:47:53","slug":"%ec%9e%90%eb%b0%94-%ec%95%88%eb%93%9c%eb%a1%9c%ec%9d%b4%eb%93%9c-%ec%95%b1%ea%b0%9c%eb%b0%9c-%ea%b0%95%ec%a2%8c-%ec%8b%9c%ea%b3%84-%ec%95%b1%ec%9d%98-%ec%8a%a4%ed%86%b1%ec%9b%8c%ec%b9%98-%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/30649\/","title":{"rendered":"\uc790\ubc14 \uc548\ub4dc\ub85c\uc774\ub4dc \uc571\uac1c\ubc1c \uac15\uc88c, \uc2dc\uacc4 \uc571\uc758 \uc2a4\ud1b1\uc6cc\uce58 \uae30\ub2a5 \ub9cc\ub4e4\uae30"},"content":{"rendered":"

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\n<\/header>\n
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\n \ud604\ub300\uc758 \uc2a4\ub9c8\ud2b8\ud3f0 \uc0ac\uc6a9\uc790\ub4e4\uc5d0\uac8c \uc2dc\uacc4 \uc571\uc740 \ud544\uc218 \ubd88\uac00\uacb0\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4.
\n \uc774\uc5d0 \ub530\ub77c \ub9ce\uc740 \uac1c\ubc1c\uc790\ub4e4\uc774 \uc2dc\uacc4 \uc571\uc744 \ub9cc\ub4e4\uace0, \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \ucd94\uac00\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.
\n \uc774 \uac15\uc88c\uc5d0\uc11c\ub294 \uc790\ubc14\ub85c \uc548\ub4dc\ub85c\uc774\ub4dc \uc571\uc744 \uac1c\ubc1c\ud558\uba74\uc11c \uc2a4\ud1b1\uc6cc\uce58 \uae30\ub2a5\uc744 \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n<\/section>\n

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1. \uac1c\ubc1c \ud658\uacbd \uc124\uc815<\/h2>\n

\n \uc2a4\ud1b1\uc6cc\uce58 \uc571\uc744 \uac1c\ubc1c\ud558\uae30 \uc704\ud574\uc11c\ub294 Android Studio\uc640 \uc790\ubc14 \uac1c\ubc1c \ud658\uacbd\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.
\n \uc544\ub798 \ub2e8\uacc4\uc5d0 \ub530\ub77c \uac1c\ubc1c \ud658\uacbd\uc744 \uc124\uc815\ud558\uc138\uc694.\n <\/p>\n

    \n
  1. \nAndroid Studio \ub2e4\uc6b4\ub85c\ub4dc \ubc0f \uc124\uce58:<\/strong>
    \n Android Studio\ub294 \uacf5\uc2dd\uc801\uc73c\ub85c \uc9c0\uc6d0\ub418\ub294 \uc548\ub4dc\ub85c\uc774\ub4dc \uac1c\ubc1c \ub3c4\uad6c\uc785\ub2c8\ub2e4.
    \n [Android Studio \ub2e4\uc6b4\ub85c\ub4dc \ud398\uc774\uc9c0](https:\/\/developer.android.com\/studio)\uc5d0\uc11c \ucd5c\uc2e0 \ubc84\uc804\uc744 \ub2e4\uc6b4\ub85c\ub4dc\ud558\uace0 \uc124\uce58\ud569\ub2c8\ub2e4.\n <\/li>\n
  2. \n\uc0c8 \ud504\ub85c\uc81d\ud2b8 \uc0dd\uc131:<\/strong>
    \n Android Studio\ub97c \uc2e4\ud589\ud558\uace0 “New Project”\ub97c \uc120\ud0dd\ud55c \ud6c4, “Empty Activity”\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.
    \n \ud504\ub85c\uc81d\ud2b8 \uc774\ub984\uc740 “StopwatchApp”\uc73c\ub85c \uc124\uc815\ud558\uace0, \uc790\ubc14\ub97c \uc120\ud0dd\ud558\uc138\uc694.\n <\/li>\n
  3. \nGradle \uc124\uc815:<\/strong>
    \n Gradle \ube4c\ub4dc\ub97c \ud1b5\ud574 \ud544\uc694\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \ucd94\uac00\ud558\uace0, SDK \ubc84\uc804\uc744 \uc124\uc815\ud569\ub2c8\ub2e4.
    \n `build.gradle` \ud30c\uc77c\uc5d0\uc11c `compileSdkVersion`\uacfc `targetSdkVersion`\uc744 \uc801\uc808\ud558\uac8c \uc124\uc815\ud569\ub2c8\ub2e4.\n <\/li>\n<\/ol>\n<\/section>\n
    \n

    2. UI \ub514\uc790\uc778\ud558\uae30<\/h2>\n

    \n \uc774\uc81c \uc2a4\ud1b1\uc6cc\uce58\uc758 UI\ub97c \ub514\uc790\uc778\ud558\uaca0\uc2b5\ub2c8\ub2e4. Android\uc5d0\uc11c XML\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub808\uc774\uc544\uc6c3\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.
    \n `activity_main.xml` \ud30c\uc77c\uc744 \uc5f4\uace0 \uc544\ub798\uc640 \uac19\uc774 \ucf54\ub4dc\ub97c \uc791\uc131\ud569\ub2c8\ub2e4.\n <\/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\/txtTimer\"\n        android:layout_width=\"wrap_content\"\n        android:layout_height=\"wrap_content\"\n        android:text=\"00:00:00\"\n        android:textSize=\"48sp\"\n        android:layout_centerInParent=\"true\"\/>\n\n    <Button\n        android:id=\"@+id\/btnStart\"\n        android:layout_width=\"wrap_content\"\n        android:layout_height=\"wrap_content\"\n        android:text=\"\uc2dc\uc791\"\n        android:layout_below=\"@id\/txtTimer\"\n        android:layout_marginTop=\"20dp\"\n        android:layout_alignParentStart=\"true\"\/>\n\n    <Button\n        android:id=\"@+id\/btnStop\"\n        android:layout_width=\"wrap_content\"\n        android:layout_height=\"wrap_content\"\n        android:text=\"\uc815\uc9c0\"\n        android:layout_below=\"@id\/txtTimer\"\n        android:layout_marginTop=\"20dp\"\n        android:layout_toEndOf=\"@id\/btnStart\"\n        android:layout_marginStart=\"20dp\"\/>\n\n    <Button\n        android:id=\"@+id\/btnReset\"\n        android:layout_width=\"wrap_content\"\n        android:layout_height=\"wrap_content\"\n        android:text=\"\ub9ac\uc14b\"\n        android:layout_below=\"@id\/txtTimer\"\n        android:layout_marginTop=\"20dp\"\n        android:layout_toEndOf=\"@id\/btnStop\"\n        android:layout_marginStart=\"20dp\"\/>\n\n<\/RelativeLayout><\/code><\/pre>\n
    \n            UI\ub294 \uc911\uc559\uc5d0 \uc2dc\uac04\uc744 \ud45c\uc2dc\ud558\ub294 `TextView`\uc640 \uc138 \uac1c\uc758 \ubc84\ud2bc(\uc2dc\uc791, \uc815\uc9c0, \ub9ac\uc14b)\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.
    \n            \uc774 \ubc84\ud2bc\uc744 \ud1b5\ud574 \uc2a4\ud1b1\uc6cc\uce58\uc758 \uae30\ub2a5\uc744 \uc81c\uc5b4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n        <\/p>\n<\/section>\n
    \n
    3. \uc2a4\ud1b1\uc6cc\uce58 \uae30\ub2a5 \uad6c\ud604<\/h2>\n
    \n            UI\uac00 \uc900\ube44\ub418\uc5c8\uc73c\uba74 \uc774\uc81c \uc2a4\ud1b1\uc6cc\uce58\uc758 \uae30\ub2a5\uc744 \uad6c\ud604\ud560 \ucc28\ub840\uc785\ub2c8\ub2e4.
    \n            `MainActivity.java` \ud30c\uc77c\uc744 \uc5f4\uace0 \uc544\ub798\uc640 \uac19\uc740 \ucf54\ub4dc\ub97c \uc791\uc131\ud569\ub2c8\ub2e4.\n        <\/p>\n
    package com.example.stopwatchapp;\n\nimport android.os.Bundle;\nimport android.os.SystemClock;\nimport android.view.View;\nimport android.widget.Button;\nimport android.widget.TextView;\nimport androidx.appcompat.app.AppCompatActivity;\n\npublic class MainActivity extends AppCompatActivity {\n    private TextView txtTimer;\n    private Button btnStart, btnStop, btnReset;\n    private long startTime = 0L;\n    private boolean isRunning = false;\n    private final Handler handler = new Handler();\n    \n    @Override\n    protected void onCreate(Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n        setContentView(R.layout.activity_main);\n        \n        txtTimer = findViewById(R.id.txtTimer);\n        btnStart = findViewById(R.id.btnStart);\n        btnStop = findViewById(R.id.btnStop);\n        btnReset = findViewById(R.id.btnReset);\n        \n        btnStart.setOnClickListener(new View.OnClickListener() {\n            @Override\n            public void onClick(View v) {\n                if (!isRunning) {\n                    startTime = SystemClock.elapsedRealtime();\n                    handler.postDelayed(runnable, 0);\n                    isRunning = true;\n                }\n            }\n        });\n\n        btnStop.setOnClickListener(new View.OnClickListener() {\n            @Override\n            public void onClick(View v) {\n                if (isRunning) {\n                    handler.removeCallbacks(runnable);\n                    isRunning = false;\n                }\n            }\n        });\n\n        btnReset.setOnClickListener(new View.OnClickListener() {\n            @Override\n            public void onClick(View v) {\n                handler.removeCallbacks(runnable);\n                txtTimer.setText(\"00:00:00\");\n                isRunning = false;\n            }\n        });\n    }\n\n    private final Runnable runnable = new Runnable() {\n        @Override\n        public void run() {\n            long elapsedMillis = SystemClock.elapsedRealtime() - startTime;\n            int seconds = (int) (elapsedMillis \/ 1000);\n            int minutes = seconds \/ 60;\n            seconds = seconds % 60;\n            int hours = minutes \/ 60;\n            minutes = minutes % 60;\n\n            txtTimer.setText(String.format(\"%02d:%02d:%02d\", hours, minutes, seconds));\n            handler.postDelayed(this, 1000);\n        }\n    };\n}<\/code><\/pre>\n
    \n            \uc704 \ucf54\ub4dc\ub294 \uc2a4\ud1b1\uc6cc\uce58\uc758 \uae30\ubcf8\uc801\uc778 \uae30\ub2a5\uc744 \ub2f4\uace0 \uc788\uc2b5\ub2c8\ub2e4.
    \n            `Handler`\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc8fc\uae30\uc801\uc73c\ub85c \uacbd\uacfc \uc2dc\uac04\uc744 \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4.\n        <\/p>\n