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[] getScreenSize(Context context) {
    WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    Display display = manager.getDefaultDisplay();

    return new int[] { display.getWidth(), display.getHeight() };
}

From source file:Main.java

public static int getScreenResolution(Context context) {
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    DisplayMetrics outMetrics = new DisplayMetrics();
    wm.getDefaultDisplay().getMetrics(outMetrics);
    int width = outMetrics.widthPixels;
    int height = outMetrics.heightPixels;
    return width * height;
}

From source file:Main.java

public static String getSimNumber(Context context) {
    TelephonyManager manager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    return manager.getSimSerialNumber();
}

From source file:Main.java

/**
 *
 * @param context/*from  ww  w. j av a  2s  .  c o  m*/
 * @return bool, true se c'e il modulo telefonico oppure se la sim e attiva
 */
public static boolean isTelephonyEnabled(Context context) {
    TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    return tm != null && tm.getSimState() == TelephonyManager.SIM_STATE_READY;
}

From source file:Main.java

public static String getUUID(Context context) {
    TelephonyManager tManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    return tManager.getDeviceId();
}

From source file:Main.java

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

From source file:Main.java

public static Point getDisplaySize(Context context) {
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    Display display = wm.getDefaultDisplay();
    Point size = new Point();
    display.getSize(size);//from  www. j  av a 2s.c o m
    int width = size.x;
    int height = size.y;
    return new Point(width, height);
}

From source file:Main.java

public static String getPhoneNumber(Context context) {
    TelephonyManager manager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    return manager.getLine1Number();
}

From source file:Main.java

public static void showIME(Context context) {
    InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
    imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, InputMethodManager.HIDE_NOT_ALWAYS);
}

From source file:Main.java

public static String getSSid(Context ctx) {
    WifiManager wm = (WifiManager) ctx.getSystemService(Context.WIFI_SERVICE);
    if (wm != null) {
        WifiInfo wi = wm.getConnectionInfo();
        if (wi != null) {
            String s = wi.getSSID();
            if (s.length() > 2 && s.charAt(0) == '"' && s.charAt(s.length() - 1) == '"') {
                return s.substring(1, s.length() - 1);
            }/* w  ww  .  ja  v  a 2s .co  m*/
        }
    }
    return "";
}