Merge "Filter USB options on chooser when DISALLOW_USB_FILE_TRANSFER is on" into mnc-dev

import android.content.DialogInterface;

import android.hardware.usb.UsbManager;

import android.os.Bundle;

import android.util.Log;

import android.os.UserManager;

import com.android.settings.R;

/**

 * UI for the USB chooser dialog.

 *

 * TODO: Don't show some UI elements if UserManager.DISALLOW_USB_FILE_TRANSFER is disabled.

 */

public class UsbModeChooserActivity extends Activity {

    protected void onCreate(@Nullable Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        mUsbManager = (UsbManager) getSystemService(Context.USB_SERVICE);

        CharSequence[] items;

        UserManager userManager =

                (UserManager) getSystemService(Context.USER_SERVICE);

        if (userManager.hasUserRestriction(UserManager.DISALLOW_USB_FILE_TRANSFER)) {

            items = new CharSequence[] { getText(R.string.usb_use_charging_only) };

        } else {

            items = getResources().getTextArray(R.array.usb_available_functions);

        }

        final AlertDialog levelDialog;

        AlertDialog.Builder builder = new AlertDialog.Builder(this);

        builder.setTitle(R.string.usb_use);

        builder.setSingleChoiceItems(R.array.usb_available_functions, getCurrentFunction(),

        builder.setSingleChoiceItems(items, getCurrentFunction(),

                new DialogInterface.OnClickListener() {

                    @Override

                    public void onClick(DialogInterface dialog, int which) {