Fix 2431663: Ensure password field retains focus in PasswordUnlockScreen.

package com.android.internal.policy.impl;

import android.content.Context;

import android.graphics.Rect;

import com.android.internal.telephony.IccCard.State;

import com.android.internal.widget.LockPatternUtils;

import com.android.internal.widget.PasswordEntryKeyboardView;

import android.text.Editable;

import android.util.Log;

import android.view.KeyEvent;

import android.view.LayoutInflater;

import android.view.View;

import android.view.inputmethod.EditorInfo;

import android.widget.Button;

import android.widget.EditText;

import android.widget.LinearLayout;

import android.widget.TextView;

                : PasswordEntryKeyboardHelper.KEYBOARD_MODE_NUMERIC);

        updateMonitor.registerConfigurationChangeCallback(this);

        setFocusableInTouchMode(true);

        mPasswordEntry.requestFocus();

    }

    @Override

    protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) {

        // send focus to the password field

        return mPasswordEntry.requestFocus(direction, previouslyFocusedRect);

    }

    /** {@inheritDoc} */

    public boolean needsInput() {

        return false;