常用控件的学习

package loujin.android;
import java.util.Calendar;
import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.TimePickerDialog;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.MultiAutoCompleteTextView;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.TimePicker;

public class AndroidprojectActivity extends Activity {
      private static final String[]    m_Countries    = { "信息系", "贸经系", "机电系", "旅游系", "轻纺系","工商系" };
      private static final String[]   autoString={"TextView","ListView","Tost","EditText","RadioGroup",
         "RadioButton","CheckBox","Spinner","AutoCompleteTextView","Image","ImageButton"};
    
      private TextView                m_TextView, k_TextView,d_TextView,t_TextView;
      private Spinner                m_Spinner;
      private ArrayAdapter<String>    adapter;
      Button         m_dpButton;
      Button         m_tpButton;
      Calendar         c;


      /** Called when the activity is first created. */
      @Override
     public void onCreate(Bundle savedInstanceState)
      {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.main);
            MultiAutoCompleteTextView mm_AutoCompleteTextView = (MultiAutoCompleteTextView) findViewById(R.id.MultiAutoCompleteTextView01);
            //将adapter添加到AutoCompleteTextView中
            mm_AutoCompleteTextView.setAdapter(adapter);
            mm_AutoCompleteTextView.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());
            m_TextView = (TextView) findViewById(R.id.TextView1);
            m_Spinner = (Spinner) findViewById(R.id.Spinner1);
            k_TextView=(TextView)findViewById(R.id.TextView2);
            //时间
            c=Calendar.getInstance();
            d_TextView=(TextView)findViewById(R.id.TextView3);
            t_TextView=(TextView)findViewById(R.id.TextView4);
            m_dpButton = (Button)findViewById(R.id.button1);
            m_tpButton = (Button)findViewById(R.id.button2);

        //将可选内容与ArrayAdapter连接
        adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, m_Countries);

        //设置下拉列表的风格
        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        
        //将adapter添加到m_Spinner中
        m_Spinner.setAdapter(adapter);
        
        //添加事件监听
        m_Spinner.setOnItemSelectedListener(new Spinner.OnItemSelectedListener() {

            @Override
            public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3)
            {
                m_TextView.setText("你所在的系为：" + m_Countries[arg2]);
                //设置显示当前选择的项
                arg0.setVisibility(View.VISIBLE);
            }

            @Override
            public void onNothingSelected(AdapterView<?> arg0)
            {
                // TODO Auto-generated method stub
            }

        });
         
        //提示框
                ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
                 android.R.layout.simple_dropdown_item_1line, autoString);
                MultiAutoCompleteTextView mm_AutoCompleteTextView1 = (MultiAutoCompleteTextView) findViewById(R.id.MultiAutoCompleteTextView01);
                 //将adapter添加到AutoCompleteTextView中
                mm_AutoCompleteTextView1.setAdapter(adapter);
                mm_AutoCompleteTextView1.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());
                //设置时间
                m_dpButton.setOnClickListener(new Button.OnClickListener(){
                    public void onClick(View v)
                    {
                        new DatePickerDialog(AndroidprojectActivity.this,
                            new DatePickerDialog.OnDateSetListener()
                            {
                                public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth)
                                {
                                    //设置日历
                                    t_TextView.setText("你设置的日期为："+ year+"年"+ (monthOfYear+1)+"月"+dayOfMonth+"日");
                                    //设置显示当前选择的项
                                    view.setVisibility(View.VISIBLE);
                                }
                            },c.get(Calendar.YEAR), c.get(Calendar.MONTH), c.get(Calendar.DAY_OF_MONTH)).show();
                    }
                });
                
                m_tpButton.setOnClickListener(new Button.OnClickListener() {
                    public void onClick(View v)
                    {
                        new TimePickerDialog(AndroidprojectActivity.this,
                            new TimePickerDialog.OnTimeSetListener()
                            {
                                public void onTimeSet(TimePicker view, int hourOfDay,int minute)
                                {
                                    //设置时间
                                    d_TextView.setText("你设置的时间为：" + hourOfDay+"点"+minute+"分");
                                    //设置显示当前选择的项
                                    view.setVisibility(View.VISIBLE);
                                }
                            },c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE), true).show();
                    }
                });
        
    }
    
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/RelativeLayout1"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:filterTouchesWhenObscured="true"
    android:orientation="vertical" >

    <Button
        android:id="@+id/button1"
        android:layout_width="77dp"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_centerVertical="true"
        android:text="日期" />

    <TextView
        android:id="@+id/TextView4"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_above="@+id/button1"
        android:layout_alignParentLeft="true"
        android:layout_marginBottom="14dp"
        android:text="@string/TextView4" />

    <MultiAutoCompleteTextView
        android:id="@+id/MultiAutoCompleteTextView01"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_above="@+id/TextView4"
        android:layout_alignParentLeft="true"
        android:layout_marginBottom="16dp" />

    <TextView
        android:id="@+id/TextView1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:text="@string/hello" />

    <TextView
        android:id="@+id/TextView2"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_above="@+id/MultiAutoCompleteTextView01"
        android:layout_alignParentLeft="true"
        android:text="@string/TextView2" />

    <Spinner
        android:id="@+id/Spinner1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/TextView1"
        android:layout_marginTop="14dp" />

    <Button
        android:id="@+id/button2"
        android:layout_width="77dp"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/button1"
        android:layout_marginTop="64dp"
        android:text="时间" />

    <TextView
        android:id="@+id/TextView3"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/button1"
        android:layout_marginTop="30dp"
        android:text="@string/TextView3" />

</RelativeLayout>