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 getHeapMemorySize(Context context) {
    ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    return manager.getMemoryClass() * 1024 * 1024;
}

From source file:Main.java

public static void cleanUpClipboard(Context context) {
    ClipboardManager cbm = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
    ClipData data = ClipData.newPlainText("", "");
    cbm.setPrimaryClip(data);// ww w .  ja  v a  2  s .c  o m
}

From source file:Main.java

public static boolean isInternetAtiva(Context ctx) {
    ConnectivityManager cm = (ConnectivityManager) ctx.getSystemService(Context.CONNECTIVITY_SERVICE);

    return cm.getActiveNetworkInfo() != null && cm.getActiveNetworkInfo().isConnectedOrConnecting();
}

From source file:Main.java

public static void visible_keyboard(Context ctx) {
    InputMethodManager imm = (InputMethodManager) ctx.getSystemService(Context.INPUT_METHOD_SERVICE);
    imm.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);
}

From source file:Main.java

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

From source file:Main.java

public static String getWifiAddress(Context c) {
    WifiManager wifiManager = (WifiManager) c.getSystemService(Context.WIFI_SERVICE);
    WifiInfo wifiInfo = wifiManager.getConnectionInfo();
    if (wifiInfo != null) {
        return wifiInfo.getMacAddress();
    }/*from ww  w  .  j  av a 2s  . c o  m*/
    return "";
}

From source file:Main.java

public static int getWindowHeight(Context context) {
    WindowManager wm = (WindowManager) (context.getSystemService(Context.WINDOW_SERVICE));
    DisplayMetrics dm = new DisplayMetrics();
    wm.getDefaultDisplay().getMetrics(dm);
    return dm.heightPixels;
}

From source file:Main.java

public static void cancelAlarm(Context context, PendingIntent pendingIntent) {
    ((AlarmManager) context.getSystemService(Context.ALARM_SERVICE)).cancel(pendingIntent);
}

From source file:Main.java

@SuppressWarnings("deprecation")
public static int getDeviceHeight(Context context) {
    WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    return manager.getDefaultDisplay().getHeight();
}

From source file:Main.java

public static int getWindowWidth(Context context) {
    WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    Display display = manager.getDefaultDisplay();
    return display.getWidth();
}