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android | ²¨Áø È­¸é¿¡¼­ ¾Û ½ÇÇàÇϱâ - Àáµç È­¸é ±ú¿ì±â - Àá±Ý È­¸é À§·Î ½ÇÇà -
7³â Àü
Àáµç È­¸éÀ» ±ú¿ì´Â ÀÏÀº push ¸¦ ¹Þ°Å³ª ¾Ë¶÷À» ¿ï¸®°Å³ª µî »ç¿ëÀÚ°¡ µð¹ÙÀ̽º¸¦ »ç¿ëÇÏÁö ¾Ê´Â »óÅ¿¡¼­ ¾ÛÀ» ½ÇÇàÇؾßÇÒ °æ¿ì »ç¿ëÇÒ ¼ö ÀÖ´Ù.


Àá±Ý È­¸é À§·Î activity (¾×ƼºñƼ) ¸¦ ¶ç¿öÁÙ ¼ö ÀÖ´Ù.
Àá±ÝÈ­¸é À§¿¡¼­ ½ÇÇàÇÏ°í ½ÍÀº activity (¾×ƼºñƼ) ÀÇ onCreate ÇÔ¼ö¿¡ ÇØ´ç ¿É¼ÇÀ» ÁØ´Ù.

getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
                | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
                | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
                | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);

FLAG_KEEP_SCREEN_ON : Screen À» ÄÑÁø »óÅ·ΠÀ¯Áö
FLAG_DISMISS_KEYGUARD : Keyguard¸¦ ÇØÁö
FLAG_TURN_SCREEN_ON : Screen On
FLAG_SHOW_WHEN_LOCKED : Lock È­¸é À§·Î ½ÇÇà

Àáµç È­¸éÀ» ±ú¿ö º¸ÀÚ.
PowerManager Ŭ·¡½º¸¦ ÀÌ¿ëÇÑ´Ù.

ÃÖÃÊ push ¸¦ ¹Þ´Â °÷À̳ª BroadcastReceiver Ŭ·¡½º°¡ ÀÖÀ» °ÍÀÌ´Ù.
°Å±â¿¡¼­ ½ÇÇàÇÏ¸é µÈ´Ù.

    private static PowerManager.WakeLock sCpuWakeLock;

        if (sCpuWakeLock != null) {
            return;
        }
        PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
        sCpuWakeLock = pm.newWakeLock(
            PowerManager.SCREEN_BRIGHT_WAKE_LOCK |
                        PowerManager.ACQUIRE_CAUSES_WAKEUP |
                        PowerManager.ON_AFTER_RELEASE, "hi");

        sCpuWakeLock.acquire();

      
        if (sCpuWakeLock != null) {
            sCpuWakeLock.release();
            sCpuWakeLock = null;
        }

1¹ø ¶óÀÎ : PowerManager.WakeLock ºó°´Ã¼ ¼±¾ðÇÑ´Ù.
6¹ø ¶óÀÎ : ½Ã½ºÅÛ¿¡¼­ PowerManager °´Ã¼¸¦ ¹Þ¾Æ¿Â´Ù.
7¹ø ¶óÀÎ : PowerManager  °´Ã¼¿¡ Á¦¾î·¹º§À» ¼±¾ðÇÑ´Ù.
12¹ø ¶óÀÎ : acquire ÇÔ¼ö¸¦ ½ÇÇàÇÏ¿© ¾ÛÀ» ±ú¿î´Ù. ( cpu ¸¦ ȹµæÇÏ´Â ? ¹¹ ÀÌ·±³»¿ëÀ» º»ÀûÀÌ ÀÖ¾î¿ä)
16¹ø ¶óÀÎ : acquire ÇÔ¼ö¸¦ »ç¿ëÇÏ¿´À¸¸é ²À release ¸¦ ÇØÁÖ¾î¾ß ÇÑ´Ù. cpu¸¦ Á¡À¯ÇÏ°Ô µÇ¾î ¹èÅ͸® ¼Ò¸ð³ª ¸Þ¸ð¸® ¼Ò¸ð¿¡ ¿µÇâÀ» ¹ÌÄ¥ ¼ö ÀÖ´Ù.

´ÙÀ½°ú °°ÀÌ permission (Æ۹̼Ç) À» ¼±¾ðÇØÁÖ¾î¾ß ÇÑ´Ù.
<uses-permission android:name="android.permission.WAKE_LOCK" />
cs

À§ 2°¡Áö ¹æ¹ýÀ» »ç¿ëÇÏ¿© Àáµç µð¹ÙÀ̽º¸¦ ±ú¿ì°í ƯÁ¤ activity¸¦ Àá±ÝÈ­¸é À§·Î ½ÇÇà½Ãų ¼ö ÀÖ´Ù.
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