android 跳转并传接参数

android 跳转并传递参数

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package com.sun.hello;

import android.app.Activity;

import android.content.Intent;

import android.location.GpsStatus.Listener;

import android.net.Uri;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.Toast;

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public class HelloActivity extends Activity {

private Button button = null;

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

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

button = (Button) findViewById(R.id.but1);

button.setOnClickListener(listener);

}

private OnClickListener listener = new OnClickListener() {

public void onClick(View v) {

// TODO Auto-generated method stub

Intent intent = new Intent();

intent.setClass(HelloActivity.this, SecondActivity.class);//

intent.putExtra("str","Intent demo");

startActivity(intent);

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}

};

}

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SecondActivity。java

package com.sun.hello;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.widget.Button;

import android.widget.TextView;

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public class SecondActivity extends Activity {

private Button button;

private TextView secondTxt;

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.secondmain);

Intent intent=getIntent();

Bundle bundle=intent.getExtras();

String str=bundle.getString("str");

secondTxt=(TextView)findViewById(R.id.secondTxt);

secondTxt.setText(str);

}

}

main.xml<?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/hello" /><Button? ? ?android:id="@+id/but1" ? ?android:layout_width="wrap_content" ? ?android:layout_height="wrap_content" ? ?android:text="Call" ? ?/>? ??
</LinearLayout>

secondmain.xml<?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:id="@+id/secondTxt"? ? ? ? android:layout_width="fill_parent"? ? ? ? android:layout_height="wrap_content"? ? ? ? android:text="second" /><Button? ? ?android:id="@+id/secondbut1" ? ?android:layout_width="wrap_content" ? ?android:layout_height="wrap_content" ? ?android:text="SecondText" ? ?/>? ??
</LinearLayout>



AndroidManifest.xml<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"? ? package="com.sun.hello"? ? android:versionCode="1"? ? android:versionName="1.0" >
? ? <uses-sdk android:minSdkVersion="15" />
? ? <application? ? ? ? android:icon="@drawable/ic_launcher"? ? ? ? android:label="@string/app_name" >? ? ? ? <activity? ? ? ? ? ? android:name=".HelloActivity"? ? ? ? ? ? android:label="@string/app_name" >? ? ? ? ? ? <intent-filter>? ? ? ? ? ? ? ? <action android:name="android.intent.action.MAIN" />
? ? ? ? ? ? ? ? <category android:name="android.intent.category.LAUNCHER" />? ? ? ? ? ? </intent-filter>? ? ? ? </activity>? ? ? ? <activity? ? ? ? ? ? android:name=".SecondActivity"? ? ? ? ? ? android:label="@string/app_name" >? ? ? ? ? ? <intent-filter>? ? ? ? ? ? ? ? <action android:name="android.intent.action.MAIN" />
? ? ? ? ? ? ? ? <category android:name="android.intent.category.LAUNCHER" />? ? ? ? ? ? </intent-filter>? ? ? ? </activity>? ? </application><uses-permission android:name="android.permission.CALL_PHONE" /><uses-permission android:name="android.permission.SEND_SMS"/></manifest>

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