{"id":30436,"date":"2024-10-28T03:50:36","date_gmt":"2024-10-28T03:50:36","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=30436"},"modified":"2024-11-26T06:48:36","modified_gmt":"2024-11-26T06:48:36","slug":"%ec%bd%94%ed%8b%80%eb%a6%b0-%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-%eb%b0%b0%ed%84%b0%eb%a6%ac-%ec%a0%95%eb%b3%b4-%ec%95%b1-%eb%a7%8c%eb%93%a4","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/30436\/","title":{"rendered":"\ucf54\ud2c0\ub9b0 \uc548\ub4dc\ub85c\uc774\ub4dc \uc571\uac1c\ubc1c \uac15\uc88c, \ubc30\ud130\ub9ac \uc815\ubcf4 \uc571 \ub9cc\ub4e4\uae30"},"content":{"rendered":"

<\/p>\n

\ucd5c\uadfc \ub4e4\uc5b4 \ubaa8\ubc14\uc77c \uc571 \uac1c\ubc1c\uc758 \uc911\uc694\uc131\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c, \ub9ce\uc740 \uac1c\ubc1c\uc790\ub4e4\uc774 \uc548\ub4dc\ub85c\uc774\ub4dc \ud50c\ub7ab\ud3fc\uc5d0\uc11c\uc758 \uc571 \uac1c\ubc1c\uc744 \ubc30\uc6b0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 \ucf54\ud2c0\ub9b0\uc744 \ud65c\uc6a9\ud558\uc5ec \ubc30\ud130\ub9ac \uc815\ubcf4\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uac04\ub2e8\ud55c \uc571\uc744 \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc740 \ucf54\ud2c0\ub9b0\uc758 \uae30\ubcf8 \uac1c\ub150\uc744 \uc774\ud574\ud558\uace0, \uc548\ub4dc\ub85c\uc774\ub4dc \uc571 \uac1c\ubc1c\uc5d0 \ud544\uc694\ud55c \ud544\uc218 \uc694\uc18c\ub97c \ud655\uc778\ud558\ub294 \uc88b\uc740 \uae30\ud68c\uac00 \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n

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

\uc548\ub4dc\ub85c\uc774\ub4dc \uc571 \uac1c\ubc1c\uc744 \uc2dc\uc791\ud558\uae30 \uc704\ud574, \uba3c\uc800 \ud544\uc694\ud55c \ub3c4\uad6c\ub4e4\uc744 \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. \uc8fc\ub85c \uc0ac\uc6a9\ud558\ub294 IDE\ub294 Android Studio<\/strong>\uc785\ub2c8\ub2e4. Android Studio\ub294 \ucf54\ud2c0\ub9b0\uc73c\ub85c \uac1c\ubc1c\ud560 \uc218 \uc788\ub294 \uae30\ub2a5\uc744 \uc9c0\uc6d0\ud558\uba70, \uac15\ub825\ud55c \ucf54\ub4dc \ud3b8\uc9d1\uae30\uc640 \ub514\ubc84\uae45 \ub3c4\uad6c\ub97c \ud3ec\ud568\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

    \n
  1. Android Studio \ub2e4\uc6b4\ub85c\ub4dc \ubc0f \uc124\uce58: Android Studio \uacf5\uc2dd \uc6f9\uc0ac\uc774\ud2b8<\/a>\uc5d0\uc11c \ucd5c\uc2e0 \ubc84\uc804\uc744 \ub2e4\uc6b4\ub85c\ub4dc\ud558\uc5ec \uc124\uce58\ud558\uc138\uc694.<\/li>\n
  2. SDK \ubc0f Emulator \uc124\uce58: Android Studio\ub97c \ucc98\uc74c \uc2e4\ud589\ud558\uba74 SDK(SDK Manager)\uc640 Emulator\ub97c \uc124\uce58\ud558\ub3c4\ub85d \uc548\ub0b4\ud569\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc740 \ud544\uc218\uc785\ub2c8\ub2e4.<\/li>\n
  3. \ucf54\ud2c0\ub9b0 \ud50c\ub7ec\uadf8\uc778 \ud655\uc778: Android Studio\ub294 \uae30\ubcf8\uc801\uc73c\ub85c \ucf54\ud2c0\ub9b0\uc744 \uc9c0\uc6d0\ud558\uc9c0\ub9cc, \ud544\uc694 \uc2dc \ud50c\ub7ec\uadf8\uc778\uc744 \ud655\uc778\ud558\uace0 \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n

    2. \uc0c8 \ud504\ub85c\uc81d\ud2b8 \uc0dd\uc131<\/h2>\n

    Android Studio\uc5d0\uc11c \uc0c8 \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud558\ub294 \uacfc\uc815\uc740 \uac04\ub2e8\ud569\ub2c8\ub2e4.<\/p>\n

      \n
    1. Android Studio\ub97c \uc2e4\ud589\ud558\uace0, Start a new Android Studio project<\/strong>\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li>\n
    2. \ud504\ub85c\uc81d\ud2b8 \ud15c\ud50c\ub9bf\uc73c\ub85c Empty Activity<\/strong>\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li>\n
    3. \ud504\ub85c\uc81d\ud2b8 \uc774\ub984\uc744 BatteryInfoApp<\/strong>\ub85c \uc124\uc815\ud558\uace0, \ud328\ud0a4\uc9c0 \uc774\ub984\uc740 com.example.batteryinfo<\/strong>\ub85c \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/li>\n
    4. \ucf54\ud2c0\ub9b0\uc744 \uc120\ud0dd\ud558\uace0, \ucd5c\uc18c SDK\ub294 API 21 (Lollipop)\ub85c \uc124\uc815\ud569\ub2c8\ub2e4.<\/li>\n
    5. \ub9c8\uc9c0\ub9c9\uc73c\ub85c Finish<\/strong>\ub97c \ud074\ub9ad\ud558\uc5ec \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n

      3. \uc571 \uad6c\uc870 \uc774\ud574\ud558\uae30<\/h2>\n

      \uc548\ub4dc\ub85c\uc774\ub4dc \uc571\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc561\ud2f0\ube44\ud2f0(Activity), \ud504\ub798\uadf8\uba3c\ud2b8(Fragment), \uc11c\ube44\uc2a4(Service) \ub4f1\uc758 \uad6c\uc131 \uc694\uc18c\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ubc88 \uc608\uc81c\uc5d0\uc11c\ub294 MainActivity<\/strong>\ub97c \uc8fc \uc561\ud2f0\ube44\ud2f0\ub85c \uc0ac\uc6a9\ud558\uc5ec \ubc30\ud130\ub9ac \uc815\ubcf4\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n

      \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud558\uba74 app\/src\/main\/java\/com\/example\/batteryinfo\/MainActivity.kt<\/strong> \ud30c\uc77c\uacfc app\/src\/main\/res\/layout\/activity_main.xml<\/strong> \ud30c\uc77c\uc774 \uc0dd\uc131\ub429\ub2c8\ub2e4.<\/p>\n

      4. \ubc30\ud130\ub9ac \uc815\ubcf4 \uc77d\uae30<\/h2>\n

      \uc548\ub4dc\ub85c\uc774\ub4dc\uc5d0\uc11c\ub294 \uc2dc\uc2a4\ud15c \uc11c\ube44\uc2a4\uc640 BroadcastReceiver\ub97c \ud65c\uc6a9\ud558\uc5ec \ubc30\ud130\ub9ac \uc815\ubcf4\ub97c \uc77d\uc5b4\uc62c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc30\ud130\ub9ac \uc815\ubcf4\ub97c \ubc1b\uc544\uc624\uae30 \uc704\ud574 BatteryManager<\/strong>\uc640 BroadcastReceiver<\/strong>\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n

      4.1. \ucf54\ub4dc \uc791\uc131<\/h3>\n

      \uba3c\uc800, \ubc30\ud130\ub9ac \uc815\ubcf4\ub97c \ud45c\uc2dc\ud560 \ub808\uc774\uc544\uc6c3\uc744 \uc815\uc758\ud558\uaca0\uc2b5\ub2c8\ub2e4. activity_main.xml<\/strong> \ud30c\uc77c\uc744 \uc218\uc815\ud558\uc5ec \ubc30\ud130\ub9ac \uc0c1\ud0dc\uc640 \ud37c\uc13c\ud2b8\ub97c \ud45c\uc2dc\ud558\ub294 TextView\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n

      \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\/battery_percentage\"\n            android:layout_width=\"wrap_content\"\n            android:layout_height=\"wrap_content\"\n            android:layout_centerInParent=\"true\"\n            android:textSize=\"24sp\"\n            android:text=\"Battery: 0%\"\n            android:padding=\"16dp\"\/>\n\n        <TextView\n            android:id=\"@+id\/battery_status\"\n            android:layout_width=\"wrap_content\"\n            android:layout_height=\"wrap_content\"\n            android:layout_below=\"@id\/battery_percentage\"\n            android:layout_centerHorizontal=\"true\"\n            android:textSize=\"18sp\"\n            android:text=\"Status: Unknown\"\/>\n\n    <\/RelativeLayout>\n    <\/pre>\n
      \uc774\uc81c MainActivity.kt<\/strong> \ud30c\uc77c\uc744 \uc218\uc815\ud558\uc5ec \ubc30\ud130\ub9ac \uc815\ubcf4\ub97c \uc77d\ub294 \ub85c\uc9c1\uc744 \ucd94\uac00\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc640 \uac19\uc774 \ucf54\ub4dc\ub97c \uc791\uc131\ud569\ub2c8\ub2e4.<\/p>\n
      \n    package com.example.batteryinfo\n\n    import android.content.BroadcastReceiver\n    import android.content.Context\n    import android.content.Intent\n    import android.content.IntentFilter\n    import android.os.BatteryManager\n    import androidx.appcompat.app.AppCompatActivity\n    import android.os.Bundle\n    import android.widget.TextView\n\n    class MainActivity : AppCompatActivity() {\n\n        private lateinit var batteryPercentage: TextView\n        private lateinit var batteryStatus: TextView\n\n        override fun onCreate(savedInstanceState: Bundle?) {\n            super.onCreate(savedInstanceState)\n            setContentView(R.layout.activity_main)\n\n            batteryPercentage = findViewById(R.id.battery_percentage)\n            batteryStatus = findViewById(R.id.battery_status)\n\n            val batteryStatusIntent = registerReceiver(null, IntentFilter(Intent.ACTION_BATTERY_CHANGED))\n            val batteryLevel = batteryStatusIntent?.getIntExtra(BatteryManager.EXTRA_LEVEL, -1) ?: -1\n            val batteryScale = batteryStatusIntent?.getIntExtra(BatteryManager.EXTRA_SCALE, -1) ?: -1\n            val batteryPercent = (batteryLevel \/ batteryScale.toFloat() * 100).toInt()\n\n            batteryPercentage.text = \"Battery: $batteryPercent%\"\n\n            when (batteryStatusIntent?.getIntExtra(BatteryManager.EXTRA_STATUS, -1)) {\n                BatteryManager.BATTERY_STATUS_CHARGING -> {\n                    batteryStatus.text = \"Status: Charging\"\n                }\n                BatteryManager.BATTERY_STATUS_DISCHARGING -> {\n                    batteryStatus.text = \"Status: Discharging\"\n                }\n                BatteryManager.BATTERY_STATUS_FULL -> {\n                    batteryStatus.text = \"Status: Full\"\n                }\n                else -> {\n                    batteryStatus.text = \"Status: Unknown\"\n                }\n            }\n        }\n    }\n    <\/pre>\n
      4.2. \uc124\uba85<\/h3>\n
      \uc704 \ucf54\ub4dc\uc5d0\uc11c\ub294 BatteryManager<\/strong>\ub97c \ud1b5\ud574 \ubc30\ud130\ub9ac \uc0c1\ud0dc\uc640 \ud37c\uc13c\ud2b8\ub97c \uc77d\uc5b4\uc624\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ubc30\ud130\ub9ac \uc0c1\ud0dc\ub294 BatteryManager.EXTRA_STATUS<\/strong>\ub97c \ud1b5\ud574 \ud655\uc778\ud558\uace0, \ubc30\ud130\ub9ac \ub808\ubca8\uacfc \uc2a4\ucf00\uc77c\uc744 \ud1b5\ud574 \ud37c\uc13c\ud2b8\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4. \uc774\ud6c4, \ud574\ub2f9 \uc815\ubcf4\ub97c TextView\uc5d0 \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n
      5. \uc571 \uc2e4\ud589 \ubc0f \ud14c\uc2a4\ud2b8<\/h2>\n
      \uc571\uc774 \uc900\ube44\ub418\uc5c8\uc73c\ub2c8, \uc2e4\uc81c \uae30\uae30 \ub610\ub294 \uc5d0\ubbac\ub808\uc774\ud130\uc5d0\uc11c \uc2e4\ud589\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. Android Studio\uc758 \uc0c1\ub2e8 \uba54\ub274\uc5d0\uc11c Run<\/strong> \ubc84\ud2bc\uc744 \ud074\ub9ad\ud558\uac70\ub098 Shift + F10<\/strong>\uc744 \ub20c\ub7ec \uc571\uc744 \uc2e4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5d0\ubbac\ub808\uc774\ud130\uc5d0\uc11c \uc571\uc744 \uc2e4\ud589\ud558\uba74 \ubc30\ud130\ub9ac \uc0c1\ud0dc\uc640 \ud37c\uc13c\ud2b8\uac00 \ud654\uba74\uc5d0 \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/p>\n
      6. \ucd94\uac00 \uae30\ub2a5 \uad6c\ud604\ud558\uae30<\/h2>\n
      \uae30\ubcf8\uc801\uc778 \ubc30\ud130\ub9ac \uc815\ubcf4 \uc571\uc744 \ub9cc\ub4e0 \ud6c4, \ucd94\uac00\uc801\uc73c\ub85c \uad6c\ud604\ud560 \uc218 \uc788\ub294 \uae30\ub2a5 \uba87 \uac00\uc9c0\ub97c \uace0\ub824\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
      6.1. \ubc30\ud130\ub9ac \ubcc0\ud654 \uac10\uc9c0<\/h3>\n
      \ubc30\ud130\ub9ac \uc0c1\ud0dc\uac00 \ubcc0\ud654\ud560 \ub54c\ub9c8\ub2e4 \ubcc0\ud654\ub97c \uac10\uc9c0\ud558\uc5ec UI\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\ub294 \ubc29\ubc95\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574\uc11c\ub294 BroadcastReceiver<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubc30\ud130\ub9ac \uc0c1\ud0dc \ubcc0\ud654 \uc774\ubca4\ud2b8\ub97c \uc218\uc2e0\ud558\uace0, UI\ub97c \uc5c5\ub370\uc774\ud2b8\ud574\uc57c \ud569\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc774 \ucf54\ub4dc\ub97c \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
      \n    private val batteryReceiver = object : BroadcastReceiver() {\n        override fun onReceive(context: Context?, intent: Intent?) {\n            val level = intent?.getIntExtra(BatteryManager.EXTRA_LEVEL, -1) ?: -1\n            val scale = intent?.getIntExtra(BatteryManager.EXTRA_SCALE, -1) ?: -1\n            val batteryPercent = (level \/ scale.toFloat() * 100).toInt()\n\n            batteryPercentage.text = \"Battery: $batteryPercent%\"\n            when (intent?.getIntExtra(BatteryManager.EXTRA_STATUS, -1)) {\n                BatteryManager.BATTERY_STATUS_CHARGING -> {\n                    batteryStatus.text = \"Status: Charging\"\n                }\n                BatteryManager.BATTERY_STATUS_DISCHARGING -> {\n                    batteryStatus.text = \"Status: Discharging\"\n                }\n                BatteryManager.BATTERY_STATUS_FULL -> {\n                    batteryStatus.text = \"Status: Full\"\n                }\n                else -> {\n                    batteryStatus.text = \"Status: Unknown\"\n                }\n            }\n        }\n    }\n\n    override fun onStart() {\n        super.onStart()\n        val filter = IntentFilter(Intent.ACTION_BATTERY_CHANGED)\n        registerReceiver(batteryReceiver, filter)\n    }\n\n    override fun onStop() {\n        super.onStop()\n        unregisterReceiver(batteryReceiver)\n    }\n    <\/pre>\n
      6.2. UI \ub514\uc790\uc778 \uac1c\uc120\ud558\uae30<\/h3>\n
      \uae30\ubcf8 \ub808\uc774\uc544\uc6c3\uc744 \ubc14\ud0d5\uc73c\ub85c \ubc30\ud130\ub9ac \uc544\uc774\ucf58\uc774\ub098 \uadf8\ub798\ud504\ub97c \ucd94\uac00\ud558\uc5ec UI\ub97c \ub354\uc6b1 \uc9c1\uad00\uc801\uc73c\ub85c \ub9cc\ub4e4\uc5b4\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0ac\uc6a9\uc790 \uacbd\ud5d8(UX)\uc744 \uace0\ub824\ud558\uc5ec \ub2e4\uc591\ud55c \ub514\uc790\uc778 \uc694\uc18c\ub97c \ucd94\uac00\ud558\ub294 \uac83\ub3c4 \uc88b\uc740 \ubc29\ud5a5\uc785\ub2c8\ub2e4.<\/p>\n
      7. \uacb0\ub860<\/h2>\n
      \ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 \ucf54\ud2c0\ub9b0\uc744 \ud65c\uc6a9\ud558\uc5ec \uac04\ub2e8\ud55c \ubc30\ud130\ub9ac \uc815\ubcf4 \uc571\uc744 \ub9cc\ub4e4\uc5b4 \ubcf4\uc558\uc2b5\ub2c8\ub2e4. \ubc30\ud130\ub9ac \uc815\ubcf4\ub97c \uc77d\uc5b4\uc624\ub294 \uae30\ubcf8\uc801\uc778 \ubc29\ubc95\uc744 \uc775\ud614\uc73c\uba70, \ucd94\ud6c4 \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \ucd94\uac00\ud558\uc5ec \uc131\uc7a5\ud558\ub294 \uc571 \uac1c\ubc1c\uc790\ub85c \uac70\ub4ed\ub0a0 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4. \uc55e\uc73c\ub85c\ub3c4 \uc548\ub4dc\ub85c\uc774\ub4dc \uc571 \uac1c\ubc1c\uc5d0 \ub300\ud55c \uc9c0\uc18d\uc801\uc778 \uad00\uc2ec\uacfc \ud559\uc2b5\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4. \ub2e4\uc591\ud55c \ub3c4\uad6c\uc640 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \ud1b5\ud574 \ub098\ub9cc\uc758 \ud6cc\ub96d\ud55c \uc571\uc744 \uac1c\ubc1c\ud574 \ubcf4\uc138\uc694!<\/p>\n
      8. \ucc38\uace0 \uc790\ub8cc<\/h2>\n