package com.example.sudoku;

import java.security.PublicKey;

import android.os.Build;
import android.os.Bundle;
import android.provider.SyncStateContract.Helpers;
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.ActionBar;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;

import android.widget.Button;

@SuppressLint("NewApi")
public class MainActivity extends Activity  {
    
    Button btn;
Intent intent =new Intent();
private MenuInflater MenuInflaterinflater;



//Bundle bundle = new Bundle();
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
@SuppressLint("NewApi")
@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ActionBar actionBar = getActionBar();//获取ActionBar对象
        actionBar.setDisplayShowHomeEnabled(true);//显示应用程序图标
        actionBar.setDisplayHomeAsUpEnabled(true);//将应用程序图标转变为可点击图标，并添加一个返回箭头。

         btn=(Button)findViewById(R.id.about_button);
            btn.setOnClickListener(new OnClickListener(){
                @Override
                public void onClick(View arg0) {
                    // TODO Auto-generated method stub
                    //Intent intent = new Intent();
                    //Bundle bundle = new Bundle();
                    intent.setClass(MainActivity.this,SecondActivity.class);
                    startActivity(intent);
                    MainActivity.this.finish();

                
    }
            });
   
            
    }
            

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        MenuInflater inflater = new MenuInflater(this);
    
        inflater.inflate(R.menu.main, menu);
    return super.onCreateOptionsMenu(menu);

    }
    
     public boolean onOptionsItemSelected(MenuItem item){
         switch(item.getItemId()){
         case android.R.id.home:
             Intent intent = new Intent(this,MainActivity.class);
             intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
             startActivity(intent);
             break;
         case R.id.item1:
             Intent intent1=new Intent(this,Help.class);
               startActivity(intent1);
               break;
         case R.id.item2:
             Intent intent2=new Intent(this,About.class);
               startActivity(intent2);
               break;
         case R.id.item3:
             Intent intent3=new Intent(this,new_Game.class);
               startActivity(intent3);
               break;
               default:
                   break;

             
         }
    return super.onOptionsItemSelected(item);