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 getScreenHeight(Context context) {
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);

    Display display = wm.getDefaultDisplay();
    DisplayMetrics metrics = new DisplayMetrics();
    display.getMetrics(metrics);//from www.j a v a 2  s . co  m

    return metrics.heightPixels;
}

From source file:Main.java

/**
 * Return the mobile number.//  ww  w  .j  a va2 s. c o m
 *
 * @param context
 * @return
 */
public static String getMobileNumber(Context context) {
    TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    return tm.getLine1Number();
}

From source file:Main.java

public static boolean isNetworkConnected(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
    return activeNetwork != null && activeNetwork.isConnectedOrConnecting();
}

From source file:Main.java

public static String getIMSI(Context context) {
    TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    String imsi = tm.getSubscriberId();
    if (imsi == null)
        imsi = "";
    return imsi;/*from   w  w  w  .ja  v  a 2 s.  co  m*/
}

From source file:Main.java

public static boolean isGpsOpen(Context context) {
    LocationManager lm = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
    if (lm.isProviderEnabled(android.location.LocationManager.GPS_PROVIDER)) {
        return true;
    } else {//  w  ww . j  a  v  a 2  s. com
        return false;
    }
}

From source file:Main.java

public static boolean hasInternet(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    return cm.getActiveNetworkInfo() != null;
}

From source file:Main.java

/**
 * Return the IMEI code//  ww w  .  j a  v  a2  s .c o m
 *
 * @param context
 * @return
 */
public static String getImeiCode(Context context) {
    TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    return tm.getDeviceId();
}

From source file:Main.java

public static String getOperater(Context context) {
    TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    if (tm == null || 5 != tm.getSimState()) {
        return "";
    }//www.  j  a  v a 2s. c o  m
    return tm.getSimOperator();
}

From source file:Main.java

static public Boolean toggleWifi(Context context) {
    WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    return toggleWifi(wifiManager, wifiManager.isWifiEnabled());
}

From source file:Main.java

public static void initialise(Context context) {
    cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
}