getSystemService使用汇总_getsystemserviceappops

作者：我家小花儿 | 2024-05-18 15:57:09

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getsystemserviceappops

getSystemService

使用案例

WifiManager wifiManager = (WifiManager)getSystemService(Context.WIFI_SERVICE);	
WifiManager wifiManager = (WifiManager)getSystemService("wifi");
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部分Manager

Manager	常量	String
AccessibilityManager	ACCESSIBILITY_SERVICE	accessibility
AccountManager	ACCOUNT_SERVICE	account
ActivityManager	ACTIVITY_SERVICE	activity
AlarmManager	ALARM_SERVICE	alarm
AppWidgetManager	APPWIDGET_SERVICE	appwidget
AppOpsManager	APP_OPS_SERVICE	appops
AudioManager	AUDIO_SERVICE	audio
BatteryManager	BATTERY_SERVICE	batterymanager
BluetoothManager	BLUETOOTH_SERVICE	bluetooth
CameraManager	CAMERA_SERVICE	camera
CaptioningManager	CAPTIONING_SERVICE	captioning
CarrierConfigManager	CARRIER_CONFIG_SERVICE	carrier_config
ClipboardManager	CLIPBOARD_SERVICE	clipboard
CompanionDeviceManager	COMPANION_DEVICE_SERVICE	companiondevice
ConnectivityManager	CONNECTIVITY_SERVICE	connectivity
ConsumerIrManager	CONSUMER_IR_SERVICE	consumer_ir
DevicePolicyManager	DEVICE_POLICY_SERVICE	device_policy
DisplayManager	DISPLAY_SERVICE	display
DownloadManager	DOWNLOAD_SERVICE	download
DropBoxManager	DROPBOX_SERVICE	dropbox
FingerprintManager	FINGERPRINT_SERVICE	fingerprint
HardwarePropertiesManager	HARDWARE_PROPERTIES_SERVICE	hardware_properties
InputMethodManager	INPUT_METHOD_SERVICE	input_method
InputManager	INPUT_SERVICE	input
JobScheduler	JOB_SCHEDULER_SERVICE	jobscheduler
KeyguardManager	KEYGUARD_SERVICE	keyguard
LauncherApps	LAUNCHER_APPS_SERVICE	launcherapps
LayoutInflater	LAYOUT_INFLATER_SERVICE	layout_inflater
LocationManager	LOCATION_SERVICE	location
MediaProjectionManager	MEDIA_PROJECTION_SERVICE	media_projection
MediaRouter	MEDIA_ROUTER_SERVICE	media_router
MediaSessionManager	MEDIA_SESSION_SERVICE	media_session
MidiManager	MIDI_SERVICE	midi
NetworkStatsManager	NETWORK_STATS_SERVICE	netstats
NfcManager	NFC_SERVICE	nfc
NotificationManager	NOTIFICATION_SERVICE	notification
NsdManager	NSD_SERVICE	servicediscovery
PowerManager	POWER_SERVICE	power
PrintManager	PRINT_SERVICE	print
RestrictionsManager	RESTRICTIONS_SERVICE	restrictions
SearchManager	SEARCH_SERVICE	search
SensorManager	SENSOR_SERVICE	sensor
ShortcutManager	SHORTCUT_SERVICE	shortcut
StorageManager	STORAGE_SERVICE	storage
StorageStatsManager	STORAGE_STATS_SERVICE	storagestats
SystemHealthManager	SYSTEM_HEALTH_SERVICE	systemhealth
TelecomManager	TELECOM_SERVICE	telecom
TelephonyManager	TELEPHONY_SERVICE	phone
TelephonyManager	TELEPHONY_SUBSCRIPTION_SERVICE	telephony_subscription_service
TextClassificationManager	TEXT_CLASSIFICATION_SERVICE	textclassification
TextServicesManager	TEXT_SERVICES_MANAGER_SERVICE	textservices
TvInputManager	TV_INPUT_SERVICE	tv_input
UiModeManager	UI_MODE_SERVICE	uimode
UsageStatsManager	USAGE_STATS_SERVICE	usagestats
UsbManager	USB_SERVICE	usb
UserManager	USER_SERVICE	user
Vibrator	VIBRATOR_SERVICE	vibrator
WallpaperManager	WALLPAPER_SERVICE	wallpaper
WifiAwareManager	WIFI_AWARE_SERVICE	wifiaware
WifiP2pManager	WIFI_P2P_SERVICE	wifip2p
WifiManager	WIFI_SERVICE	wifi
WindowManager	WINDOW_SERVICE	window

TelephonyManager

作用

管理手机通话状态

获取电话信息（设备信息，sim卡信息以及网络信息）

监听电话状态（呼叫状态服务状态，信号强度状态等）

调用电话拨号器拨打电话

WindowManager

int h = windowManager.getDefauwltDisplay().getHeight();
int w = windowManager.getDefaultDisplay().getWidth();
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