android

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东软实训之android界面创建

activity_main.xml

</RelativeLayout>

activity_sec.xml

</RelativeLayout>

SecActivity.java

package com.example.zty1;

import java.util.ArrayList;
import java.util.List;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
//import android.widget.Button;
import android.widget.ListView;

public class SecActivity extends Activity {

private ListView userlv;
List list;
//定义菜单项
final static int menu_index=Menu.FIRST;
final static int menu_content=Menu.FIRST+1;
final static int menu_last=Menu.FIRST+2;

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_sec);
  userlv=(ListView)findViewById(R.id.uerlistView1);
  //重点，listview的实现依赖适配器，而适配器依赖数据源。
  //第三步，创建集合数据源。

  list=new ArrayList();//初始化集合对象。
  //向集合对象中加入数据。
  list.add("tom");
  list.add("jane");
  list.add("join");
  list.add("ben");
  list.add("sun");
  //第四步，创建适配器对象。
  //参1：表示当前适配器的宿主。必须写
  //参2：表示当前适配器的呈现形式，用简单列表形式呈现数据。
  //参3：表示数据源。
  ArrayAdapter<String>adapter=
    new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,list);
  //第五步：把适配器绑定到listview控件中。
  userlv.setAdapter(adapter);
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
  // Inflate the menu; this adds items to the action bar if it is present.
  //getMenuInflater().inflate(R.menu.sec, menu);
  menu.add(0, menu_index, 0, "首页").setIcon(android.R.drawable.btn_star);
  menu.add(0, menu_content, 1, "内容").setIcon(android.R.drawable.btn_star);
  menu.add(0, menu_last, 2, "尾页").setIcon(android.R.drawable.btn_star_big_off);

  //

  return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
  // TODO Auto-generated method stub
  //return super.onOptionsItemSelected(item);
  switch(item.getItemId()){
    case menu_index:
     System.out.println("menu_index");
     return true;
    case menu_content:
     System.out.println("menu_content");
     return true;
    case menu_last:
     System.out.println("menu_last");
     return true;

  }
return false;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
  // TODO Auto-generated method stub
  return true;//super.onPrepareOptionsMenu(menu);

}
}

MainActivity.java

package com.example.zty1;

import android.net.Uri;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends Activity {
private Button btn;//创建一个按钮对象
private EditText et1;
private EditText et2;
private Button btn2;
private Button btn3;

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  btn=(Button)findViewById(R.id.bton);
  btn2=(Button)findViewById(R.id.btn2);
  et1=(EditText)findViewById(R.id.uname);
  et2=(EditText)findViewById(R.id.pwd);
  btn3=(Button)findViewById(R.id.sendsms);
  btn.setOnClickListener(new OnClickListener(){

   //private TextView et1;
   //private TextView et2;

   @Override
   public void onClick(View arg0) {
    // TODO Auto-generated method stub
    //在此方法内部写具体事件，什么事件呢？由一个Activity转向另一个Activity.
    //System.out.println("hello,android........");//向控制台输出内容。
    //要成功的进行跳转需要用到intent这个对象。
    //第一个参数是原来的类，出发站。要以.this结尾。
    //第二个参数是要跳转的类，终点站。要以.class结尾。
    //intent意图对象，指定了起始和终点。
    //intent in=new intent(MainActivity.this,SecActivity.class);
    //startActivity(in);
    String user=et1.getText().toString();
    String code=et2.getText().toString();
    if(user.equals("z3")&&code.equals("z3")){

     Intent in=new Intent(MainActivity.this,SecActivity.class);
     startActivity(in);}


   }

  });//btn.setOnClickListener

  btn2.setOnClickListener(new OnClickListener(){

   @Override
   public void onClick(View arg0) {
    // TODO Auto-generated method stub
    Intent in2=new Intent();
    in2.setAction(Intent.ACTION_CALL);
    in2.setData(Uri.parse("tel:18363852573"));
    startActivity(in2);
   }});


  btn3.setOnClickListener(new OnClickListener(){

   @Override
   public void onClick(View arg0) {
    // TODO Auto-generated method stub
    Intent in3=new Intent();
    in3.setAction(Intent.ACTION_SENDTO);
    in3.setData(Uri.parse("smsto:18363852573"));
    in3.putExtra("sms_body","大好山河");
    startActivity(in3);

   }});

}//oncreate.


@Override
public boolean onCreateOptionsMenu(Menu menu) {
  // Inflate the menu; this adds items to the action bar if it is present.
  getMenuInflater().inflate(R.menu.main, menu);
  return true;
}

}

R.java

/* AUTO-GENERATED FILE. DO NOT MODIFY.
*
* This class was automatically generated by the
* aapt tool from the resource data it found. It
* should not be modified by hand.
*/

package com.example.zty1;

public final class R {
    public static final class attr {
    }
    public static final class dimen {
        /** Default screen margins, per the Android Design guidelines.

         Customize dimensions originally defined in res/values/dimens.xml (such as
         screen margins) for sw720dp devices (e.g. 10" tablets) in landscape here.

         */
        public static final int activity_horizontal_margin=0x7f040000;
        public static final int activity_vertical_margin=0x7f040001;
    }
    public static final class drawable {
        public static final int ic_launcher=0x7f020000;
    }
    public static final class id {
        public static final int action_settings=0x7f08000b;
        public static final int btn2=0x7f080007;
        public static final int bton=0x7f080006;
        public static final int button1=0x7f080002;
        public static final int button2=0x7f080009;
        public static final int pwd=0x7f080004;
        public static final int sendsms=0x7f080008;
        public static final int textView1=0x7f080000;
        public static final int textView2=0x7f080001;
        public static final int textView3=0x7f080003;
        public static final int uerlistView1=0x7f08000a;
        public static final int uname=0x7f080005;
    }
    public static final class layout {
        public static final int activity_main=0x7f030000;
        public static final int activity_sec=0x7f030001;
    }
    public static final class menu {
        public static final int main=0x7f070000;
        public static final int sec=0x7f070001;
    }
    public static final class string {
        public static final int action_settings=0x7f050001;
        public static final int app_name=0x7f050000;
        public static final int hello_world=0x7f050002;
        public static final int title_activity_sec=0x7f050003;
    }
    public static final class style {
        /**
        Base application theme, dependent on API level. This theme is replaced
        by AppBaseTheme from res/values-vXX/styles.xml on newer devices.

            Theme customizations available in newer API levels can go in
            res/values-vXX/styles.xml, while customizations related to
            backward-compatibility can go here.

        Base application theme for API 11+. This theme completely replaces
        AppBaseTheme from res/values/styles.xml on API 11+ devices.

API 11 theme customizations can go here.

        Base application theme for API 14+. This theme completely replaces
        AppBaseTheme from BOTH res/values/styles.xml and
        res/values-v11/styles.xml on API 14+ devices.

API 14 theme customizations can go here.
         */
        public static final int AppBaseTheme=0x7f060000;
        /** Application theme.
All customizations that are NOT specific to a particular API-level can go here.
         */
        public static final int AppTheme=0x7f060001;
    }
}

activity_main.xml

</RelativeLayout>