Example usage for android.content Context getSystemService

Introduction

In this page you can find the example usage for android.content Context getSystemService.

Prototype

@SuppressWarnings("unchecked")
public final @Nullable <T> T getSystemService(@NonNull Class<T> serviceClass)

Source Link

Document

Return the handle to a system-level service by class.

Usage

From source file:Main.java

public static int getScreenWidth(Context context) {
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    int width = wm.getDefaultDisplay().getWidth();
    return width;
}

From source file:Main.java

public static View inflate(int layout, ViewGroup root, Context context) {
    LayoutInflater i = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    return i.inflate(layout, root);
}

From source file:Main.java

/**
 * @param ctx// w  w w . j  ava 2  s.c om
 *         The {@link context}.
 * 
 * @return A {@link String} representing the device's MAC address
 */

public static String getDeviceId(Context ctx) {
    WifiManager wm = (WifiManager) ctx.getSystemService(Context.WIFI_SERVICE);
    String wmac = wm.getConnectionInfo().getMacAddress();
    return wmac;
}

From source file:Main.java

public static String getResolution(Context context) {
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    Display display = wm.getDefaultDisplay();
    return display.getWidth() + "*" + display.getHeight();
}

From source file:Main.java

@SuppressWarnings("deprecation")
public static int getDisplayMetricsHeight(Context mContext) {
    WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
    return wm.getDefaultDisplay().getHeight();
}

From source file:Main.java

public static List<RunningAppProcessInfo> getRunningProcesses(Context ctx) {
    ActivityManager am = (ActivityManager) ctx.getSystemService(Context.ACTIVITY_SERVICE);

    return am.getRunningAppProcesses();
}

From source file:Main.java

public static boolean isWifiEnable(Context context) {
    WifiManager mgr = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    if (mgr == null)
        return false;
    int state = mgr.getWifiState();
    return state == WifiManager.WIFI_STATE_ENABLED || state == WifiManager.WIFI_STATE_ENABLING;
}

From source file:Main.java

public static boolean gpsWorkIsAvailable(Context context) {
    LocationManager lm = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
    return lm.isProviderEnabled(LocationManager.GPS_PROVIDER);
}

From source file:Main.java

public static void wakeLockOn(Context context) {
    PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
    if (wl == null)
        wl = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP, "CLOCK_ALARM");
    wl.acquire();//from   www .j a  v  a  2  s . c o  m
}

From source file:Main.java

/**
 * return if screen on/*  w w w  . j a  v a 2  s. c  om*/
 * @param context
 * @return
 */
public static boolean isScreenOn(Context context) {
    PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
    return pm.isScreenOn();
}