Android 使用Bundle在Activity间传递数据

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main.xml

<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    >    <TextView        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="请输入您的注册信息"        android:textSize="20sp"         />    <TableRow >                <TextView             android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="用户名"        android:textSize="16sp"            />        <EditText             android:id="@+id/name"            android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:hint="请填写您想要注册的账号"        android:selectAllOnFocus="true"            />            </TableRow>        <TableRow >                <TextView             android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="密码"        android:textSize="16sp"            />                 <EditText             android:id="@+id/password"            android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:password="true"        android:selectAllOnFocus="true"            />            </TableRow>        <TableRow >                <TextView             android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="性别"        android:textSize="16sp"            />                <RadioGroup             android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:orientation="horizontal"            >                        <RadioButton                 android:id="@+id/male"                android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="男"        android:checked="true"        android:textSize="16sp"                />                        <RadioButton                 android:id="@+id/female"                android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="女"        android:textSize="16sp"                />                    </RadioGroup>            </TableRow>        <Button         android:id="@+id/bn"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="注册"        android:textSize="16sp"        /></TableLayout>

BundleTest.java

package com.example.bundletest;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.RadioButton;public class BundleTest extends Activity {Button bn;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);bn = (Button)findViewById(R.id.bn);bn.setOnClickListener(new OnClickListener(){@Overridepublic void onClick(View v) {// TODO Auto-generated method stubEditText name = (EditText)findViewById(R.id.name);EditText passwd = (EditText)findViewById(R.id.password);RadioButton male = (RadioButton)findViewById(R.id.male);String gender =male.isChecked()?"男":"女";Person p = new Person(name.getText().toString(),passwd.getText().toString(),gender);Bundle data = new Bundle();data.putSerializable("person", p);Intent intent = new Intent(BundleTest.this, ResultActivity.class);intent.putExtras(data);startActivity(intent);}});}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.bundle_test, menu);return true;}}

Person.java

package com.example.bundletest;import java.io.Serializable;public class Person implements Serializable{private String n, p, g;public Person(String name, String passwd, String gender) {// TODO Auto-generated constructor stubthis.n = name;this.p = passwd;this.g = gender;}public String getName() {// TODO Auto-generated method stubreturn this.n;}public String getPass() {// TODO Auto-generated method stubreturn this.p;}public String getGender() {// TODO Auto-generated method stubreturn this.g;}}

result.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical"    >    <TextView        android:id="@+id/name"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:textSize="18sp"         />        <TextView        android:id="@+id/passwd"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:textSize="18sp"         />        <TextView        android:id="@+id/gender"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:textSize="18sp"         />    </LinearLayout>

ResultActivity.java

package com.example.bundletest;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.widget.TextView;public class ResultActivity extends Activity{public void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.result);TextView name = (TextView) findViewById(R.id.name);TextView passwd = (TextView) findViewById(R.id.passwd);TextView gender = (TextView) findViewById(R.id.gender);Intent intent = getIntent();Person p = (Person)intent.getSerializableExtra("person");name.setText("您的用户名为:" + p.getName());passwd.setText("您的密码为:" + p.getPass());gender.setText("您的性别为:" + p.getGender());}}

运行结果显示图：

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