需要修改引擎下面的Cocos2dxEditBoxDialog.java文件

修改的代码如下：

/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2013-2014 Chukong Technologies Inc.

http://www.cocos2d-x.org

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all copies or substantial portions of the Software.

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IMPLIED,INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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package org.cocos2dx.lib;

import android.app.Dialog;
import android.content.Context;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.os.Handler;
import android.text.InputFilter;
import android.text.InputType;
import android.util.TypedValue;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.TextView.OnEditorActionListener;

public class Cocos2dxEditBoxDialog extends Dialog {
    // ===========================================================
    // Constants
    // ===========================================================

    /**
     * The user is allowed to enter any text,including line breaks.
     */
    private final int kEditBoxInputModeAny = 0;

    /**
     * The user is allowed to enter an e-mail address.
     */
    private final int kEditBoxInputModeEmailAddr = 1;

    /**
     * The user is allowed to enter an integer value.
     */
    private final int kEditBoxInputModeNumeric = 2;

    /**
     * The user is allowed to enter a phone number.
     */
    private final int kEditBoxInputModePhoneNumber = 3;

    /**
     * The user is allowed to enter a URL.
     */
    private final int kEditBoxInputModeUrl = 4;

    /**
     * The user is allowed to enter a real number value. This extends kEditBoxInputModeNumeric by allowing a decimal point.
     */
    private final int kEditBoxInputModeDecimal = 5;

    /**
     * The user is allowed to enter any text,except for line breaks.
     */
    private final int kEditBoxInputModeSingleLine = 6;

    /**
     * Indicates that the text entered is confidential data that should be obscured whenever possible. This implies EDIT_Box_INPUT_FLAG_SENSITIVE.
     */
    private final int kEditBoxInputFlagPassword = 0;

    /**
     * Indicates that the text entered is sensitive data that the implementation must never store into a dictionary or table for use in predictive,auto-completing,or other accelerated input schemes. A credit card number is an example of sensitive data.
     */
    private final int kEditBoxInputFlagSensitive = 1;

    /**
     * This flag is a hint to the implementation that during text editing,the initial letter of each word should be capitalized.
     */
    private final int kEditBoxInputFlagInitialCapsWord = 2;

    /**
     * This flag is a hint to the implementation that during text editing,the initial letter of each sentence should be capitalized.
     */
    private final int kEditBoxInputFlagInitialCapsSentence = 3;

    /**
     * Capitalize all characters automatically.
     */
    private final int kEditBoxInputFlagInitialCapsAllCharacters = 4;

    private final int kKeyboardReturnTypeDefault = 0;
    private final int kKeyboardReturnTypeDone = 1;
    private final int kKeyboardReturnTypeSend = 2;
    private final int kKeyboardReturnTypeSearch = 3;
    private final int kKeyboardReturnTypeGo = 4;

    // ===========================================================
    // Fields
    // ===========================================================

    private EditText mInputEditText;
    private TextView mTextViewTitle;
    private Button mButtonOK;

    private final String mTitle;
    private final String mMessage;
    private final int mInputMode;
    private final int mInputFlag;
    private final int mReturnType;
    private final int mMaxLength;

    private int mInputFlagConstraints;
    private int mInputModeContraints;
    private boolean mIsMultiline;

    // ===========================================================
    // Constructors
    // ===========================================================

    public Cocos2dxEditBoxDialog(final Context pContext,final String pTitle,final String pMessage,final int pInputMode,final int pInputFlag,final int pReturnType,final int pMaxLength) {
        super(pContext,android.R.style.Theme_Translucent_NoTitleBar_Fullscreen);
//      super(context,R.style.Theme_Translucent);

        this.mTitle = pTitle;
        this.mMessage = pMessage;
        this.mInputMode = pInputMode;
        this.mInputFlag = pInputFlag;
        this.mReturnType = pReturnType;
        this.mMaxLength = pMaxLength;
    }

    @Override
    protected void onCreate(final Bundle pSavedInstanceState) {
        super.onCreate(pSavedInstanceState);

        this.getWindow().setBackgroundDrawable(new ColorDrawable(0x80000000));

        final LinearLayout layout = new LinearLayout(this.getContext());
        layout.setOrientation(LinearLayout.VERTICAL);

        final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,ViewGroup.LayoutParams.MATCH_PARENT);

        this.mTextViewTitle = new TextView(this.getContext());
        final LinearLayout.LayoutParams textviewParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.WRAP_CONTENT);
        textviewParams.leftMargin = textviewParams.rightMargin = this.convertDipsToPixels(10);
        this.mTextViewTitle.setTextSize(TypedValue.COMPLEX_UNIT_DIP,20);
        layout.addView(this.mTextViewTitle,textviewParams);

        //增加的布局
        final LinearLayout childLayout = new LinearLayout(this.getContext());
        childLayout.setOrientation(LinearLayout.HORIZONTAL);
        final LinearLayout.LayoutParams childLayoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,ViewGroup.LayoutParams.MATCH_PARENT);

        this.mInputEditText = new EditText(this.getContext());
        final LinearLayout.LayoutParams editTextParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,ViewGroup.LayoutParams.WRAP_CONTENT);
        editTextParams.leftMargin = editTextParams.rightMargin = this.convertDipsToPixels(10);
        editTextParams.weight = 1;

        //
        childLayout.addView(this.mInputEditText,editTextParams);
        //按钮
        this.mButtonOK = new Button(this.getContext());
        this.mButtonOK.setText("确定");
        this.mButtonOK.setOnClickListener(new OnClickListener());

        //
        final LinearLayout.LayoutParams buttonParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.WRAP_CONTENT);  
        buttonParams.leftMargin = this.convertDipsToPixels(0);  
        buttonParams.rightMargin = this.convertDipsToPixels(10);  
        childLayout.addView(this.mButtonOK,buttonParams); // 加入到child layout

        layout.addView(childLayout,childLayoutParams);
        //layout.addView(this.mInputEditText,editTextParams);

        this.setContentView(layout,layoutParams);

        this.getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);

        this.mTextViewTitle.setText(this.mTitle);
        this.mInputEditText.setText(this.mMessage);

        int oldImeOptions = this.mInputEditText.getImeOptions();
        this.mInputEditText.setImeOptions(oldImeOptions | EditorInfo.IME_FLAG_NO_EXTRACT_UI);
        oldImeOptions = this.mInputEditText.getImeOptions();

        switch (this.mInputMode) {
            case kEditBoxInputModeAny:
                this.mInputModeContraints = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_FLAG_MULTI_LINE;
                break;
            case kEditBoxInputModeEmailAddr:
                this.mInputModeContraints = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS;
                break;
            case kEditBoxInputModeNumeric:
                this.mInputModeContraints = InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED;
                break;
            case kEditBoxInputModePhoneNumber:
                this.mInputModeContraints = InputType.TYPE_CLASS_PHONE;
                break;
            case kEditBoxInputModeUrl:
                this.mInputModeContraints = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI;
                break;
            case kEditBoxInputModeDecimal:
                this.mInputModeContraints = InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_DECIMAL | InputType.TYPE_NUMBER_FLAG_SIGNED;
                break;
            case kEditBoxInputModeSingleLine:
                this.mInputModeContraints = InputType.TYPE_CLASS_TEXT;
                break;
            default:

                break;
        }

        if (this.mIsMultiline) {
            this.mInputModeContraints |= InputType.TYPE_TEXT_FLAG_MULTI_LINE;
        }

        this.mInputEditText.setInputType(this.mInputModeContraints | this.mInputFlagConstraints);

        switch (this.mInputFlag) {
            case kEditBoxInputFlagPassword:
                this.mInputFlagConstraints = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD;
                break;
            case kEditBoxInputFlagSensitive:
                this.mInputFlagConstraints = InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS;
                break;
            case kEditBoxInputFlagInitialCapsWord:
                this.mInputFlagConstraints = InputType.TYPE_TEXT_FLAG_CAP_WORDS;
                break;
            case kEditBoxInputFlagInitialCapsSentence:
                this.mInputFlagConstraints = InputType.TYPE_TEXT_FLAG_CAP_SENTENCES;
                break;
            case kEditBoxInputFlagInitialCapsAllCharacters:
                this.mInputFlagConstraints = InputType.TYPE_TEXT_FLAG_CAP_CHARACTERS;
                break;
            default:
                break;
        }

        this.mInputEditText.setInputType(this.mInputFlagConstraints | this.mInputModeContraints);

        switch (this.mReturnType) {
            case kKeyboardReturnTypeDefault:
                this.mInputEditText.setImeOptions(oldImeOptions | EditorInfo.IME_ACTION_NONE);
                break;
            case kKeyboardReturnTypeDone:
                this.mInputEditText.setImeOptions(oldImeOptions | EditorInfo.IME_ACTION_DONE);
                break;
            case kKeyboardReturnTypeSend:
                this.mInputEditText.setImeOptions(oldImeOptions | EditorInfo.IME_ACTION_SEND);
                break;
            case kKeyboardReturnTypeSearch:
                this.mInputEditText.setImeOptions(oldImeOptions | EditorInfo.IME_ACTION_SEARCH);
                break;
            case kKeyboardReturnTypeGo:
                this.mInputEditText.setImeOptions(oldImeOptions | EditorInfo.IME_ACTION_GO);
                break;
            default:
                this.mInputEditText.setImeOptions(oldImeOptions | EditorInfo.IME_ACTION_NONE);
                break;
        }

        if (this.mMaxLength > 0) {
            this.mInputEditText.setFilters(new InputFilter[] { new InputFilter.LengthFilter(this.mMaxLength) });
        }

        final Handler initHandler = new Handler();
        initHandler.postDelayed(new Runnable() {
            @Override
            public void run() {
                Cocos2dxEditBoxDialog.this.mInputEditText.requestFocus();
                Cocos2dxEditBoxDialog.this.mInputEditText.setSelection(Cocos2dxEditBoxDialog.this.mInputEditText.length());
                Cocos2dxEditBoxDialog.this.openKeyboard();
            }
        },200);

        this.mInputEditText.setOnEditorActionListener(new OnEditorActionListener() {
            @Override
            public boolean onEditorAction(final TextView v,final int actionId,final KeyEvent event) {
                // If user didn't set keyboard type,this callback will be invoked twice with 'KeyEvent.ACTION_DOWN' and 'KeyEvent.ACTION_UP'.
                if (actionId != EditorInfo.IME_NULL || (actionId == EditorInfo.IME_NULL && event != null && event.getAction() == KeyEvent.ACTION_DOWN)) {
                    Cocos2dxHelper.setEditTextDialogResult(Cocos2dxEditBoxDialog.this.mInputEditText.getText().toString());
                    Cocos2dxEditBoxDialog.this.closeKeyboard();
                    Cocos2dxEditBoxDialog.this.dismiss();
                    return true;
                }
                return false;
            }
        });
    }
    
 // 按钮点击事件
    class OnClickListener implements android.view.View.OnClickListener {
    	@Override 
    	public void onClick(View v) {
    		// 回调给Cocos2d并且关闭键盘
    		Cocos2dxHelper.setEditTextDialogResult(Cocos2dxEditBoxDialog.this.mInputEditText.getText().toString());
            Cocos2dxEditBoxDialog.this.closeKeyboard();
            Cocos2dxEditBoxDialog.this.dismiss();
    	}
    }

    // ===========================================================
    // Getter & Setter
    // ===========================================================

    // ===========================================================
    // Methods for/from SuperClass/Interfaces
    // ===========================================================

    // ===========================================================
    // Methods
    // ===========================================================

    private int convertDipsToPixels(final float pDIPs) {
        final float scale = this.getContext().getResources().getDisplayMetrics().density;
        return Math.round(pDIPs * scale);
    }

    private void openKeyboard() {
        final InputMethodManager imm = (InputMethodManager) this.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.showSoftInput(this.mInputEditText,0);
    }

    private void closeKeyboard() {
        final InputMethodManager imm = (InputMethodManager) this.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.hideSoftInputFromWindow(this.mInputEditText.getWindowToken(),0);
    }

    // ===========================================================
    // Inner and Anonymous Classes
    // ===========================================================
}

最后的效果就是输入框右边加了一个确定按钮