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 double getScreenWidth(Context context) {
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);

    return 0.0;//from   w  w w .ja v a 2s  . c  o m
}

From source file:Main.java

@SuppressWarnings("deprecation")
public static CharSequence getClipboard(Context context) {
    return ((android.text.ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE)).getText();
}

From source file:Main.java

public static String getMacAddress(Context context) {
    WifiManager wm = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    WifiInfo info = wm.getConnectionInfo();
    return info.getMacAddress();

}

From source file:Main.java

public static int getMemoryClass(Context context) {
    return ((ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE)).getMemoryClass();
}

From source file:Main.java

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

From source file:Main.java

public static void setVolume(int volume, Context context) {
    AudioManager manager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
    manager.setStreamVolume(AudioManager.STREAM_MUSIC, volume, 0);
}

From source file:Main.java

public static int getVolume(Context context) {
    AudioManager manager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
    return manager.getStreamVolume(AudioManager.STREAM_MUSIC);
}

From source file:Main.java

/**
 * Gets the device id.//from  ww  w . ja v  a 2s.co  m
 *
 * @param context the context
 * @return the device id
 */
public synchronized static String getDeviceId(Context context) {
    WifiManager wm = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    return wm.getConnectionInfo().getMacAddress();
}

From source file:Main.java

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

From source file:Main.java

public static void hideKeyboard(Context ctx, EditText editText) {
    ((InputMethodManager) ctx.getSystemService(Context.INPUT_METHOD_SERVICE))
            .hideSoftInputFromWindow(editText.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
}