activity间数据传递实例_自定义短信发送器

<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:orientation="vertical"
tools:context="com.zgs.SendSMSByCustom.MainActivity" >

<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content" >

<EditText
android:id="@+id/et_number"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="请输入联系人号码" />

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@id/et_number"
android:layout_alignParentRight="true"
android:onClick="add"
android:text="+" />
</RelativeLayout>

<EditText
android:id="@+id/et_sms_content"
android:layout_width="match_parent"
android:layout_height="250dp"
android:gravity="top"
android:hint="请输入发送短信的内容" />

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="insert"
android:text="短信模板" />

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="sendSMS"
android:text="发送短信" />

</LinearLayout>

<?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" >

<ListView
android:id="@+id/lv_contact"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</ListView>

</LinearLayout>

<?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" >

<ListView
android:id="@+id/lv_template"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</ListView>

</LinearLayout>

<?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="horizontal" >

<TextView
android:id="@+id/tv_name"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="张三"
android:textColor="#000000"
android:textSize="25sp" />

<TextView
android:id="@+id/tv_phone"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:textColor="#000000"
android:textSize="25sp"
android:text="110" />

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="TextView"
android:textColor="#000000"
android:textAppearance="?android:attr/textAppearanceLarge" >

</TextView>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.zgs.SendSMSByCustom"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk
android:minSdkVersion="16"
android:targetSdkVersion="22" />
<uses-permission android:name="android.permission.SEND_SMS"/>

<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<!-- 在清单文件中配置新加的activity -->
<activity android:name="com.zgs.SendSMSByCustom.ContactActivity" >
</activity>
<activity android:name="com.zgs.SendSMSByCustom.TemplateActivity" >
</activity>
</application>

</manifest>

package com.zgs.SendSMSByCustom;

import java.util.ArrayList;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.telephony.SmsManager;
import android.view.View;
import android.widget.EditText;

public class MainActivity extends Activity {

private EditText et_number;
private EditText et_sms_content;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//[1]获取我们关心的控件
et_number = (EditText) findViewById(R.id.et_number);
et_sms_content = (EditText) findViewById(R.id.et_sms_content);
}

//点击+按钮跳转到联系人页面
public void add(View v){
//[1]创建意图对象，getApplicationContext()也可以获取context对象
Intent intent = new Intent(getApplicationContext(), ContactActivity.class);
//[2]开启Activity
//		startActivity(intent);
//[3]☆☆☆☆  如果一个页面开启另外一个页面  并且当开启的这个页面关闭的时候 还要返回数据  使用下面这个方法开启Activity
startActivityForResult(intent, 1);
}

//点击按钮 跳转到短信模板页面
public void insert(View v){
Intent intent = new Intent(this,TemplateActivity.class);
//☆☆☆开启Activity有2种方式
//(1)如果想要开启的Activity的界面的数据 用 startActivityForResult();
//(2)如果就是简简单单页面的跳转  就用startActivity()
startActivityForResult(intent, 2);
}

//点击按钮实现发送短信的逻辑
public void sendSMS(View v){
String number = et_number.getText().toString().trim();
String content = et_sms_content.getText().toString().trim();

//[1]获取smsManager的实例
SmsManager smsManager = SmsManager.getDefault();
//[1.1]如果短信内容过过多 发不出去  分条发送
ArrayList<String> divideMessages = smsManager.divideMessage(content);
for (String div : divideMessages) {
//[2]发送短信数据
smsManager.sendTextMessage(number, null, div, null, null);
}
}

//当我们开启的Activity的页面关闭的时候这个方法会调用
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == 1) {
//代表我要请求 ContactActivity的数据
String phone = data.getStringExtra("phone");
et_number.setText(phone);
}else if (requestCode == 2) {
//代表我要请求SmsTemplateActivity 的数据
String smscontent = data.getStringExtra("smscontent");
et_sms_content.setText(smscontent);
}

/*if (resultCode == 10) {
//说明数据是由 ContactActivity返回

String phone = data.getStringExtra("name");
et_number.setText(phone);

}else if (resultCode == 20) {
//说明数据是由SmsTemplateActivity返回
String smscontent = data.getStringExtra("smscontent");
et_sms_content.setText(smscontent);

}
*/
super.onActivityResult(requestCode, resultCode, data);
}

}

package com.zgs.SendSMSByCustom;

import java.util.ArrayList;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;

public class ContactActivity extends Activity {
private ArrayList<Contact> contactLists;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//加载布局
setContentView(R.layout.activity_contact);
//[1]找到lv控件
ListView lv_contact = (ListView) findViewById(R.id.lv_contact);
//[2]我想把手机当中 联系人的数据展示到listview上  等讲内容提供者在去获取真实数据

contactLists = new ArrayList<Contact>();
for (int i = 0; i < 10; i++) {

Contact contact = new Contact();
contact.setName("张三"+i);
contact.setPhone("1869100892"+i);
contactLists.add(contact);

}
//[3]展示数据  设置数据适配器
lv_contact.setAdapter(new MyAdapter());
//[4]给listview的条目设置点击事件
lv_contact.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
//[5]取出我们点中条目的数据
String phone = contactLists.get(position).getPhone();
System.out.println("phone:"+phone);
//[6]把phone 返回给第一个页面
Intent intent = new Intent();
intent.putExtra("phone", phone);
//[7]把数据返回给调用者 Call this to set the result that your activity will return to its caller.
setResult(10, intent);
//[8]关闭当前Activity mainActivity的onActivityResult方法就会执行
finish();
}
});
}

//创建数据适配器
private class MyAdapter extends BaseAdapter{
@Override
public int getCount() {
return contactLists.size();
}

@Override
public Object getItem(int position) {
return contactLists.get(position);
}

@Override
public long getItemId(int position) {
return position;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {

View  view;
if (convertView == null) {
view = View.inflate(getApplicationContext(), R.layout.item_contact, null);
}else {
//复用历史缓存对象
view = convertView;
}
//找到我们关心控件
TextView tv_name = (TextView) view.findViewById(R.id.tv_name);
TextView tv_phone = (TextView) view.findViewById(R.id.tv_phone);
//设置数据
tv_name.setText(contactLists.get(position).getName());
tv_phone.setText(contactLists.get(position).getPhone());
return view;
}
}

}

package com.zgs.SendSMSByCustom;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class TemplateActivity extends Activity {
String objects[] = {"我在开会,请稍后联系","我在吃饭,请稍后联系","我在打代码,请稍后联系","我在开车,请稍后联系","我在约会,请稍后联系"};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_template);

//[1]找到lv控件
ListView lv = (ListView) findViewById(R.id.lv_template);
//[2]创建数据适配器
ArrayAdapter<String> adapter = new ArrayAdapter<String>(getApplicationContext(), R.layout.item_template, objects);
//[3]把数据展示到listview上
lv.setAdapter(adapter);
//[4]给lv设置点击事件
lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
//[5]获取我们点中条目的数据
String smscontent = objects[position];
//[6]把这个数据返回给调用者
Intent intent = new Intent();
intent.putExtra("smscontent", smscontent);
//[7]通过这个方法把数据返回给调用者
setResult(20, intent);
//[8]要记得调用finish
finish();
}
});
}
}