android 使用静态变量传递数据

<Button
        android:id="@+id/button"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="测试使用静态变量传递数据" >
</Button>

private Button button;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        button = (Button) this.findViewById(R.id.button);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                // 声明一个意图
                Intent intent = new Intent();
                intent.setClass(MainActivity.this, OtherActivity.class);
                OtherActivity.age = 21;
                OtherActivity.name = "young";
                startActivity(intent);
            }
        });
    }

<TextView android:id="@+id/msg" android:layout_width="fill_parent" android:layout_height="fill_parent"></TextView>    

    private TextView textview;
    public static String name;
    public static int age;
    public OtherActivity() {
        // TODO Auto-generated constructor stub
    }
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        setContentView(R.layout.other);//加载布局文件
        textview = (TextView)this.findViewById(R.id.msg);
        textview.setText("name-->"+name+"\n"+"age-->"+age);
    }

<activity android:name=".OtherActivity"></activity>