获取屏幕状态

private boolean isScreenOn () { if (android.os.Build.VERSION.SDK_INT >= 20) { // I'm counting // STATE_DOZE, STATE_OFF, STATE_DOZE_SUSPENDED // all as "OFF" DisplayManager dm = (DisplayManager) getSystemService(Context.DISPLAY_SERVICE); Display[] displays = dm.getDisplays(); for (Display display : displays) { if (display.getState () == Display.STATE_ON || display.getState () == Display.STATE_UNKNOWN) { return true; } } return false; } // If you use less than API20: PowerManager powerManager = (PowerManager) getSystemService(POWER_SERVICE); if (powerManager.isScreenOn ()) { return true; } return false; }