Merge "DO NOT MERGE Backporting potential usb tapjacking precaution." into nyc-dev

    <!-- accessibility label for paging indicator in quick settings [CHAR LIMITi=NONE] -->

    <string name="accessibility_quick_settings_page">Page <xliff:g name="current_page" example="1">%1$d</xliff:g> of <xliff:g name="num_pages" example="2">%2$d</xliff:g></string>

    <!-- Warning shown when user input has been blocked due to another app overlaying screen

     content. Since we don't know what the app is showing on top of the input target, we

     can't verify user consent. [CHAR LIMIT=NONE] -->

    <string name="touch_filtered_warning">Because an app is obscuring a permission request, Settings

        can’t verify your response.</string>

</resources>

import android.os.SystemProperties;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.MotionEvent;

import android.view.View;

import android.view.Window;

import android.view.WindowManager;

import android.widget.CheckBox;

import android.widget.Toast;

import com.android.internal.app.AlertActivity;

import com.android.internal.app.AlertController;

    @Override

    public void onCreate(Bundle icicle) {

        Window window = getWindow();

        window.addPrivateFlags(WindowManager.LayoutParams.PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);

        window.setType(WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG);

        super.onCreate(icicle);

        if (SystemProperties.getInt("service.adb.tcp.port", 0) == 0) {

        ap.mView = checkbox;

        setupAlert();

        // adding touch listener on affirmative button - checks if window is obscured

        // if obscured, do not let user give permissions (could be tapjacking involved)

        final View.OnTouchListener filterTouchListener = new View.OnTouchListener() {

            public boolean onTouch(View v, MotionEvent event) {

                // Filter obscured touches by consuming them.

                if (((event.getFlags() & MotionEvent.FLAG_WINDOW_IS_OBSCURED) != 0)

                    || ((event.getFlags() & MotionEvent.FLAG_WINDOW_IS_PARTIALLY_OBSCURED) != 0)) {

                    if (event.getAction() == MotionEvent.ACTION_UP) {

                        Toast.makeText(v.getContext(),

                                R.string.touch_filtered_warning,

                                Toast.LENGTH_SHORT).show();

                    }

                    return true;

                }

                return false;

            }

        };

        mAlert.getButton(BUTTON_POSITIVE).setOnTouchListener(filterTouchListener);

    }

    private class UsbDisconnectedReceiver extends BroadcastReceiver {