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 paramContext) {

    return ((TelephonyManager) paramContext.getSystemService(Context.TELEPHONY_SERVICE)).getSubscriberId();

}

From source file:Main.java

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

From source file:Main.java

public static boolean checkIsScreenOn(Context context) {
    PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
    return pm.isScreenOn();
}

From source file:Main.java

public static void setCurrentVolume(int percent, Context mc) {
    AudioManager am = (AudioManager) mc.getSystemService(Context.AUDIO_SERVICE);
    int maxvolume = am.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
    am.setStreamVolume(AudioManager.STREAM_MUSIC, (maxvolume * percent) / 100,
            AudioManager.FLAG_PLAY_SOUND | AudioManager.FLAG_SHOW_UI);
    am.setMode(AudioManager.MODE_INVALID);
}

From source file:Main.java

public static int getWifiIsEnabled(Context context) {
    wifiManager = (WifiManager) context.getSystemService("wifi");
    if (wifiManager.isWifiEnabled()) {
        return 0;
    }//from  w  w w  .j  a v a 2  s  .  c  om
    return -1;
}

From source file:Main.java

private static ClipboardManager getClipboard(Context context) {
    return (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
}

From source file:Main.java

public static void vibrate(Context thisActivity) {
    Vibrator vibe = (Vibrator) thisActivity.getSystemService(Context.VIBRATOR_SERVICE);

    //28 ms is the default short android vibrate time length
    vibe.vibrate(28);/* w  w w.  ja  va  2 s .c om*/
}

From source file:Main.java

private static int getHeapSize(final Context context) {

    return ((ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE)).getMemoryClass() * 1024
            * 1024;/* w ww .j a va  2s  . com*/
}

From source file:Main.java

public static int getScreeHeight(Context context) {
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    return wm.getDefaultDisplay().getHeight();

}

From source file:Main.java

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