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 void vibrate(Context context, long milliseonds) {
    Vibrator vib = (Vibrator) context.getSystemService(Service.VIBRATOR_SERVICE);
    vib.vibrate(milliseonds);/*from w  w w  .j  av a  2  s. co m*/
}

From source file:Main.java

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

From source file:Main.java

public static DisplayMetrics getDisplayMetrices(Context context) {
    WindowManager windowManger = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    DisplayMetrics outMetrics = new DisplayMetrics();
    windowManger.getDefaultDisplay().getMetrics(outMetrics);
    return outMetrics;
}

From source file:Main.java

public static MulticastLock openWifiBrocast(Context context) {
    WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    MulticastLock multicastLock = wifiManager.createMulticastLock("MediaRender");
    if (multicastLock != null) {
        multicastLock.acquire();/*from www .  ja  v a2  s . com*/
    }
    return multicastLock;
}

From source file:Main.java

public static void hideKeyBoard(View view, Context context) {
    InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
    imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
}

From source file:Main.java

public static void closeBoard(Context mcontext) {
    InputMethodManager imm = (InputMethodManager) mcontext.getSystemService(Context.INPUT_METHOD_SERVICE);
    if (imm.isActive())
        imm.toggleSoftInput(InputMethodManager.SHOW_IMPLICIT, InputMethodManager.HIDE_NOT_ALWAYS);
}

From source file:Main.java

public static boolean isConnected(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 boolean isAvailable(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo info = cm.getActiveNetworkInfo();
    return info != null && info.isAvailable();
}

From source file:Main.java

public static boolean haveInternet(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    final NetworkInfo networkInfo = cm == null ? null : cm.getActiveNetworkInfo();
    return networkInfo != null && networkInfo.isConnectedOrConnecting();
}

From source file:Main.java

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