intent传值

今天我们来探讨一下android的传值问题。

主要实现功能为第一个页面实现信息的填写，在第二个页面实现第一个页面信息的输出

效果图为：

第一个activity实现了对单选、复选、文本框值的获取与传递

////////////////////UIZuoYeActivity///////////////

//第一个activity

packagecn.class3g.activity;



importandroid.app.Activity;

importandroid.content.Intent;

importandroid.os.Bundle;



importandroid.view.View;

importandroid.view.View.OnClickListener;

importandroid.widget.Button;

importandroid.widget.CheckBox;

importandroid.widget.EditText;

importandroid.widget.RadioButton;

importandroid.widget.RadioGroup;

importandroid.widget.Spinner;



publicclassUIZuoYeActivityextendsActivityimplementsOnClickListener{

/**Calledwhentheactivityisfirstcreated.*/

RadioGrouprg=null;

RadioButtonmanRB=null;

RadioButtonrb=null;

Buttonbtn=null;

EditTextnameET=null;



CheckBoxlan,zu,pai,ping;



Spinnercity;



@Override

publicvoidonCreate(BundlesavedInstanceState){

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

findView();

}



privatevoidfindView(){

btn=(Button)this.findViewById(R.id.putinId);

nameET=(EditText)this.findViewById(R.id.nameId);

manRB=(RadioButton)this.findViewById(R.id.manId);



lan=(CheckBox)this.findViewById(R.id.lanId);

zu=(CheckBox)this.findViewById(R.id.zuId);

pai=(CheckBox)this.findViewById(R.id.paiId);

ping=(CheckBox)this.findViewById(R.id.pingId);



city=(Spinner)this.findViewById(R.id.cityId);

btn.setOnClickListener(this);

}



@Override

publicvoidonClick(Viewv){

//TODOAuto-generatedmethodstub

//封装bundle对象

Bundlebundle=newBundle();

//获取EditText文本框内容

bundle.putString("name","用户名称："+nameET.getText().toString());

//获取RadioGroup单选内容

if(manRB.isChecked()){

bundle.putString("sex","性别：男");

}else{

bundle.putString("sex","性别：女");

}

//获取CheckBox复选框内容

Stringtemp="爱好：";

if(lan.isChecked()){

temp+=lan.getText().toString();

}

if(zu.isChecked()){

temp+="";

temp+=zu.getText().toString();

}

if(pai.isChecked()){

temp+="";

temp+=pai.getText().toString();

}

if(ping.isChecked()){

temp+="";

temp+=ping.getText().toString();

}

bundle.putString("hobby",temp);

//获取Spinner下拉菜单内容

bundle.putString("city","城市："+city.getSelectedItem().toString());



Intentintent=newIntent(UIZuoYeActivity.this,PutInActivity.class);

//传递

intent.putExtras(bundle);

startActivity(intent);



}

}

////////////////////UIZuoYeActivity///////////////

//第一个activity

package cn.class3g.activity;

 

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

 

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.CheckBox;

import android.widget.EditText;

import android.widget.RadioButton;

import android.widget.RadioGroup;

import android.widget.Spinner;

 

public class UIZuoYeActivity extends Activity implements OnClickListener {

   /** Called when the activity is first created. */

   RadioGroup rg = null;

   RadioButton manRB = null;

   RadioButton rb = null;

   Button btn = null;

   EditText nameET = null;

 

   CheckBox lan, zu, pai, ping;

 

   Spinner city;

 

   @Override

   public void onCreate(Bundle savedInstanceState) {

      super.onCreate(savedInstanceState);

      setContentView(R.layout.main);

      findView();

   }

 

   private void findView() {

      btn = (Button) this.findViewById(R.id.putinId);

      nameET = (EditText) this.findViewById(R.id.nameId);

      manRB = (RadioButton) this.findViewById(R.id.manId);

 

      lan = (CheckBox) this.findViewById(R.id.lanId);

      zu = (CheckBox) this.findViewById(R.id.zuId);

      pai = (CheckBox) this.findViewById(R.id.paiId);

      ping = (CheckBox) this.findViewById(R.id.pingId);

 

      city = (Spinner) this.findViewById(R.id.cityId);

      btn.setOnClickListener(this);

   }

 

   @Override

   public void onClick(View v) {

      // TODO Auto-generated method stub

      // 封装bundle对象

      Bundle bundle = new Bundle();

      // 获取EditText文本框内容

      bundle.putString("name", "用户名称：" + nameET.getText().toString());

      // 获取RadioGroup单选内容

      if (manRB.isChecked()) {

        bundle.putString("sex", "性别：男");

      } else {

        bundle.putString("sex", "性别：女");

      }

      // 获取CheckBox复选框内容

      String temp = "爱好：";

      if (lan.isChecked()) {

        temp += lan.getText().toString();

      }

      if (zu.isChecked()) {

        temp += "";

        temp += zu.getText().toString();

      }

      if (pai.isChecked()) {

        temp += "";

        temp += pai.getText().toString();

      }

      if (ping.isChecked()) {

        temp += "";

        temp += ping.getText().toString();

      }

      bundle.putString("hobby", temp);

      // 获取Spinner下拉菜单内容

      bundle.putString("city", "城市：" + city.getSelectedItem().toString());

 

      Intent intent = new Intent(UIZuoYeActivity.this, PutInActivity.class);

      // 传递

      intent.putExtras(bundle);

      startActivity(intent);

 

   }

}

第一个界面实现了整体布局

//////////////////////main.xml///////////////////

//第一个界面

<?xmlversion="1.0"encoding="utf-8"?>

<LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical">



<TextView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="@string/title"/>



<TableLayout

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:stretchColumns="1">



<TableRow>



<TextView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="@string/name"/>



<EditText

android:id="@+id/nameId"

android:layout_width="fill_parent"

android:layout_height="wrap_content"/>

</TableRow>



<TableRow>



<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_gravity="center"

android:text="@string/sex"/>



<RadioGroup

android:id="@+id/sexId"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:checkedButton="@+id/manId"

android:orientation="horizontal">



<RadioButton

android:id="@id/manId"

android:text="男"/>



<RadioButton

android:id="@+id/womanId"

android:text="女"/>

</RadioGroup>

</TableRow>



<TableRow>



<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_gravity="center"

android:text="@string/city"/>



<Spinner

android:id="@+id/cityId"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:entries="@array/城市"

android:prompt="@string/city"/>

</TableRow>



<TableRow>



<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_gravity="center"

android:text="@string/hobby"/>



<TableLayout

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:stretchColumns="1">



<TableRow>



<CheckBox

android:id="@+id/lanId"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="篮球"/>



<CheckBox

android:id="@+id/zuId"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="足球"/>

</TableRow>

</TableLayout>

</TableRow>



<TableRow>



<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"/>



<TableLayout

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:stretchColumns="1">



<TableRow>



<CheckBox

android:id="@+id/paiId"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="排球"/>



<CheckBox

android:id="@+id/pingId"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="乒乓球"/>

</TableRow>

</TableLayout>

</TableRow>

</TableLayout>



<RelativeLayout

android:layout_width="match_parent"

android:layout_height="match_parent">



<Button

android:id="@+id/putinId"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_centerInParent="true"

android:text="@string/putin"/>

</RelativeLayout>



</LinearLayout>

//////////////////////main.xml///////////////////

//第一个界面

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="vertical" >

 

    <TextView

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="@string/title" />

 

    <TableLayout

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:stretchColumns="1" >

 

        <TableRow >

 

            <TextView

                android:layout_width="fill_parent"

                android:layout_height="wrap_content"

                android:text="@string/name" />

 

            <EditText

                android:id="@+id/nameId"

                android:layout_width="fill_parent"

                android:layout_height="wrap_content" />

        </TableRow>

 

        <TableRow >

 

            <TextView

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_gravity="center"

                android:text="@string/sex" />

 

            <RadioGroup

                android:id="@+id/sexId"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:checkedButton="@+id/manId"

                android:orientation="horizontal" >

 

                <RadioButton

                    android:id="@id/manId"

                    android:text="男" />

 

                <RadioButton

                    android:id="@+id/womanId"

                    android:text="女" />

            </RadioGroup>

        </TableRow>

 

        <TableRow >

 

            <TextView

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_gravity="center"

                android:text="@string/city" />

 

            <Spinner

                android:id="@+id/cityId"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:entries="@array/城市"

                android:prompt="@string/city" />

        </TableRow>

 

        <TableRow >

 

            <TextView

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_gravity="center"

                android:text="@string/hobby" />

 

            <TableLayout

                android:layout_width="fill_parent"

                android:layout_height="wrap_content"

                android:stretchColumns="1" >

 

                <TableRow >

 

                    <CheckBox

                        android:id="@+id/lanId"

                        android:layout_width="wrap_content"

                        android:layout_height="wrap_content"

                        android:text="篮球" />

 

                    <CheckBox

                        android:id="@+id/zuId"

                        android:layout_width="wrap_content"

                        android:layout_height="wrap_content"

                        android:text="足球" />

                </TableRow>

            </TableLayout>

        </TableRow>

 

        <TableRow >

 

            <TextView

                android:layout_width="wrap_content"

                android:layout_height="wrap_content" />

 

            <TableLayout

                android:layout_width="fill_parent"

                android:layout_height="wrap_content"

                android:stretchColumns="1" >

 

                <TableRow >

 

                    <CheckBox

                        android:id="@+id/paiId"

                        android:layout_width="wrap_content"

                        android:layout_height="wrap_content"

                        android:text="排球" />

 

                    <CheckBox

                        android:id="@+id/pingId"

                        android:layout_width="wrap_content"

                        android:layout_height="wrap_content"

                        android:text="乒乓球" />

                </TableRow>

            </TableLayout>

        </TableRow>

    </TableLayout>

 

    <RelativeLayout

        android:layout_width="match_parent"

        android:layout_height="match_parent" >

 

        <Button

            android:id="@+id/putinId"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_centerInParent="true"

            android:text="@string/putin" />

    </RelativeLayout>

 

</LinearLayout>

第二个activity实现了对第一个界面输入内容的获取，获取到内容后，然后List迭代，用ListView在第二个界面上显示出来

//////////////////PutInActivity///////////////////

//第二个activity

packagecn.class3g.activity;



importjava.util.ArrayList;

importjava.util.List;



importandroid.app.Activity;

importandroid.os.Bundle;

importandroid.view.View;

importandroid.view.View.OnClickListener;

importandroid.widget.ArrayAdapter;

importandroid.widget.Button;

importandroid.widget.ListView;



publicclassPutInActivityextendsActivity{



ListViewlistView=null;

Bundlebundle;



//TextViewlistView=null;

@Override

protectedvoidonCreate(BundlesavedInstanceState){

//TODOAuto-generatedmethodstub

super.onCreate(savedInstanceState);

this.setContentView(R.layout.putin);



listView=(ListView)findViewById(R.id.listId);



//接收

bundle=this.getIntent().getExtras();



List<String>list=newArrayList<String>();

list.add(bundle.getString("name"));

list.add(bundle.getString("sex"));

list.add(bundle.getString("city"));

list.add(bundle.getString("hobby"));



ArrayAdapter<String>Adapter=newArrayAdapter<String>(this,

android.R.layout.simple_list_item_1,list);

listView.setAdapter(Adapter);



Buttonbtn=(Button)this.findViewById(R.id.returnId);

btn.setOnClickListener(newOnClickListener(){



@Override

publicvoidonClick(Viewv){

//TODOAuto-generatedmethodstub

setContentView(R.layout.main);

}

});

}

}

//////////////////PutInActivity///////////////////

//第二个activity

package cn.class3g.activity;

 

import java.util.ArrayList;

import java.util.List;

 

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.ArrayAdapter;

import android.widget.Button;

import android.widget.ListView;

 

public class PutInActivity extends Activity {

 

   ListView listView = null;

   Bundle bundle;

 

   // TextView listView = null;

   @Override

   protected void onCreate(Bundle savedInstanceState) {

      // TODO Auto-generated method stub

      super.onCreate(savedInstanceState);

      this.setContentView(R.layout.putin);

 

      listView = (ListView) findViewById(R.id.listId);

 

      // 接收

      bundle = this.getIntent().getExtras();

 

      List<String> list = new ArrayList<String>();

      list.add(bundle.getString("name"));

      list.add(bundle.getString("sex"));

      list.add(bundle.getString("city"));

      list.add(bundle.getString("hobby"));

 

      ArrayAdapter<String> Adapter = new ArrayAdapter<String>(this,

           android.R.layout.simple_list_item_1, list);

      listView.setAdapter(Adapter);

 

      Button btn = (Button) this.findViewById(R.id.returnId);

      btn.setOnClickListener(new OnClickListener() {

 

        @Override

        public void onClick(View v) {

           // TODO Auto-generated method stub

           setContentView(R.layout.main);

        }

      });

   }

}

//////////////////////putin.xml/////////////////////

//第二个界面

<?xmlversion="1.0"encoding="utf-8"?>

<LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical">



<TextView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="@string/title"/>



<ListView

android:id="@+id/listId"

android:layout_width="fill_parent"

android:layout_height="wrap_content"/>



<Button

android:id="@+id/returnId"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="返回"/>



</LinearLayout>

//////////////////////putin.xml/////////////////////

//第二个界面

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical" >

 

    <TextView

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="@string/title" />

 

    <ListView

        android:id="@+id/listId"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content" />

 

    <Button

        android:id="@+id/returnId"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="返回" />

 

</LinearLayout>