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 getVolumn(Context context) {
    AudioManager audioManger = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
    return audioManger.getStreamVolume(AudioManager.STREAM_MUSIC);
}

From source file:Main.java

public static int getScreenWidth(Context context) {
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    return wm.getDefaultDisplay().getWidth();
}

From source file:Main.java

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

From source file:Main.java

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

From source file:Main.java

public static String getCarrier(Context context) {
    TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    return tm == null ? null : tm.getNetworkOperatorName();
}

From source file:Main.java

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

From source file:Main.java

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

From source file:Main.java

public static String queryCountryCode(Context context) {
    TelephonyManager tel = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    return tel.getNetworkCountryIso();
}

From source file:Main.java

public static int getMobileDataNetworkState(Context context) {
    TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    return tm.getDataState();
}

From source file:Main.java

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