Android--Activity在跳轉時攜帶資料

標籤：

首先看看兩種傳遞方法樣本：（一個簡單姻緣計算機）

主Activity

import android.os.Bundle;import android.app.Activity;import android.content.Intent;import android.view.Menu;import android.view.View;public class MainActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);    }    public void click(View v){    Intent intent = new Intent(this, SecondActivity.class);    //把資料封裝至intent對象中//    intent.putExtra("malename", "張三");//    intent.putExtra("femalename", "芙蓉姐姐");        //把資料封裝至bundle對象中    Bundle bundle = new Bundle();    bundle.putString("malename", "<span style="font-family: Arial, Helvetica, sans-serif;">張三</span>"<span style="font-family: Arial, Helvetica, sans-serif;">);</span>    bundle.putString("femalename", "芙蓉姐姐");        //把bundle對象封裝至intent對象中    intent.putExtras(bundle);    startActivity(intent);    }    }

import java.util.Random;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.widget.TextView;public class SecondActivity extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.activity_second);Intent intent = getIntent();//從intent對象中把封裝好的資料取出來//String maleName = intent.getStringExtra("malename");//String feMaleName = intent.getStringExtra("femalename");Bundle bundle = intent.getExtras();String maleName = bundle.getString("malename");String feMaleName = bundle.getString("femalename");Random rd = new Random();int yinyuan = rd.nextInt(100);TextView tv = (TextView) findViewById(R.id.tv);tv.setText(maleName + "和" + feMaleName + "的姻緣值為" + yinyuan);}}

activity_main.xml:

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context=".MainActivity"     android:orientation="vertical"    >    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="這是姻緣計算機，很準的喲" />    <EditText         android:id="@+id/et_malename"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="張三"        />    <EditText         android:id="@+id/et_femalename"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="芙蓉姐姐"        />    <Button         android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="計算"        android:onClick="click"        /></LinearLayout>

activity_second.xml：

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context=".MainActivity" >    <TextView        android:id="@+id/tv"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="這是第二個Activity" /></RelativeLayout>

Android--Activity在跳轉時攜帶資料