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 getScreenWidth(Context mContext) {
    WindowManager manager = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
    DisplayMetrics dm = new DisplayMetrics();
    manager.getDefaultDisplay().getMetrics(dm);
    return dm.widthPixels;
}

From source file:Main.java

public static void show(Context context) {
    InputMethodManager m = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
    m.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);
}

From source file:Main.java

/**
 * @param context Context of application
 * @return    MAC address/*from w  ww.  jav a 2  s  . c  o  m*/
 */
public static String getMacAddress(Context context) {
    WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    return wifiManager.getConnectionInfo().getMacAddress();
}

From source file:Main.java

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

From source file:Main.java

public static void adjustVoiceToSystemSame(Context context) {
    AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
    audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_SAME, 0);
}

From source file:Main.java

public static void showKeyboard(Context context, View view) {
    imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
    imm.showSoftInput(view, 0);/* ww w  .ja  v a2s  .c o  m*/
    //        imm.showSoftInput(view, InputMethodManager.SHOW_IMPLICIT);
}

From source file:Main.java

@TargetApi(11)
public static void copy(String content, Context context) {
    ClipboardManager cmb = (ClipboardManager) context.getSystemService("clipboard");
    cmb.setText(content.trim());/*from ww w. j  a va 2 s . c  o m*/
}

From source file:Main.java

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

From source file:Main.java

public static String getIMEI(Context context) {
    TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    String deviceId = tm.getDeviceId();
    tm = null;/*from  www  . j a va2s.  c o  m*/
    return deviceId;
}

From source file:Main.java

public static String getLocalMacAddress(Context context) {
    WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    WifiInfo info = wifi.getConnectionInfo();
    if (info != null) {
        return info.getMacAddress();
    }//ww w.  ja va  2 s . c o m

    return null;
}