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 String getIMSI(Context context) {

    TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    String imsi = tm.getSubscriberId();
    return imsi;/*  www .  j  a v a 2  s. co m*/
}

From source file:Main.java

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

From source file:Main.java

public static boolean isOnWifi(Context context) {
    WifiManager lWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    return lWifiManager == null ? false
            : lWifiManager.isWifiEnabled() && lWifiManager.getConnectionInfo() != null
                    && lWifiManager.getConnectionInfo().getIpAddress() != 0;
}

From source file:Main.java

public static int getWifiState(Context context) {
    WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    if (wifiManager != null) {
        return wifiManager.getWifiState();
    }//  w w  w .  j  a v a  2 s  .  co  m
    return WifiManager.WIFI_STATE_DISABLED;
}

From source file:Main.java

public static int getScreenWidth(Context context) {
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    Display display = wm.getDefaultDisplay();
    DisplayMetrics metrics = new DisplayMetrics();
    display.getMetrics(metrics);// ww w  .  j  a v  a  2  s .com

    return metrics.widthPixels;
}

From source file:Main.java

private static void getScreenMetric(Context cxt) {
    WindowManager wm = (WindowManager) cxt.getSystemService(Context.WINDOW_SERVICE);
    Display display = wm.getDefaultDisplay();
    Point size = new Point();
    display.getSize(size);/*from   w w w .j a va  2s. c  o  m*/
    mScreenWidth = size.x;
    mScreenHeight = size.y;
}

From source file:Main.java

public static String getSubscriberId(Context context) {
    TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    String tel = tm.getSubscriberId();
    return TextUtils.isEmpty(tel) ? "" : tel;
}

From source file:Main.java

public static String getPhoneMac(Context context) {

    WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);

    WifiInfo info = wifi.getConnectionInfo();

    return info.getMacAddress();

}

From source file:Main.java

public static String getDeviceID(Context context) {
    TelephonyManager mngr = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    String deviceID = mngr.getDeviceId();
    return deviceID;
}

From source file:Main.java

public static String getIPAddress(Context context) {
    WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    int ipAddress = wifiManager.getConnectionInfo().getIpAddress();
    return String.format("%d.%d.%d.%d", (ipAddress & 0xff), (ipAddress >> 8 & 0xff), (ipAddress >> 16 & 0xff),
            (ipAddress >> 24 & 0xff));
}