Android 新开启Activity返回结果（发送短信应用）
界面：
界面XML:
主界面：
<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=".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:layout_marginTop="15dp"
android:hint="请输入或者选择联系人"
android:inputType="number" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:hint="点击选择"
android:onClick="selectContact" />
</RelativeLayout>
<EditText
android:id="@+id/et_content"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="请输入短信内容"
android:inputType="textMultiLine"
android:minLines="5" />
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="发送"
android:onClick="sendSms" />
</LinearLayout>
联系人选择界面：
<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=".SelectContactActivity" >
<ListView
android:id="@+id/lv_contacts"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</RelativeLayout>
<?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:id="@+id/tv_contact_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
android:text="姓名："
android:textColor="#000000"
android:textSize="20sp" />
<TextView
android:id="@+id/tv_contact_phone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
android:text="电话："
android:textColor="#99000000"
android:textSize="17sp" />
</LinearLayout>
主AC代码：
package com.example.sms.sender.pro;
import java.util.ArrayList;
import com.contact.utils.ContactModel;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.telephony.SmsManager;
import android.text.TextUtils;
import android.view.Menu;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;
public class MainActivity extends Activity
{
private EditText et_phone;
private EditText et_sms;
private ContactModel model=null;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
et_phone=(EditText) findViewById(R.id.et_number);
et_sms=(EditText)findViewById(R.id.et_content);
}
@Override
public boolean onCreateOptionsMenu(Menu menu)
{
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
/*
* 激活新的Activity用于选择联系人
*/
public void selectContact(View v)
{
//开启一个Activity并获取其返回的结果
startActivityForResult(new Intent(this, SelectContactActivity.class), 0);
}
public void sendSms(View v)
{
String number=model==null?et_phone.getText().toString().trim():model.getPhone();
String sms=et_sms.getText().toString().trim();
if(TextUtils.isEmpty(number))
{
Toast.makeText(this, "请输入号码或选择联系人", Toast.LENGTH_SHORT).show();
return;
}
if(TextUtils.isEmpty(sms))
{
Toast.makeText(this, "请输入短信内容", Toast.LENGTH_SHORT).show();
return;
}
SmsManager smsManager=SmsManager.getDefault();
ArrayList<String> contents=smsManager.divideMessage(sms);
try
{
smsManager.sendMultipartTextMessage(number, "", contents, null, null);
Toast.makeText(this, "已发送", Toast.LENGTH_SHORT).show();
} catch (Exception e)
{
Toast.makeText(this, "发送失败："+e.getMessage(), Toast.LENGTH_SHORT).show();
}
}
/*
* 新开启的Activity关闭时候调用
*/
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
Bundle bundle=data.getExtras();
model=(ContactModel) bundle.getSerializable("model");
et_phone.setText(model.getName()+":"+model.getPhone());
super.onActivityResult(requestCode, resultCode, data);
}
}
选择联系人AC:
package com.example.sms.sender.pro;
import java.util.List;
import com.contact.utils.ContactHelper;
import com.contact.utils.ContactModel;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;
public class SelectContactActivity extends Activity
{
private ListView lv_contact;
private List<ContactModel> contacts;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_select_contact);
lv_contact=(ListView)findViewById(R.id.lv_contacts);
contacts=ContactHelper.getContactList(this);
lv_contact.setAdapter(new ContactAdapter());
lv_contact.setOnItemClickListener(new OnItemClickListener()
{
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id)
{
Intent intent=new Intent(SelectContactActivity.this,MainActivity.class);
intent.putExtra("model", contacts.get(position));
setResult(0, intent);
finish();
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu)
{
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.select_contact, menu);
return true;
}
private class ContactAdapter extends BaseAdapter{
@Override
public int getCount()
{
return contacts.size();
}
@Override
public Object getItem(int position)
{
return contacts.get(position);
}
@Override
public long getItemId(int position)
{
// TODO Auto-generated method stub
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent)
{
ContactModel model=contacts.get(position);
View view=View.inflate(SelectContactActivity.this,R.layout.contact_item, null);
TextView tv_name=(TextView) view.findViewById(R.id.tv_contact_name);
TextView tv_phone=(TextView) view.findViewById(R.id.tv_contact_phone);
tv_name.setText(model.getName());
tv_phone.setText(model.getPhone());
return view;
}
}
}
工具类：
package com.contact.utils;
import java.io.Serializable;
public class ContactModel implements Serializable
{
private String contact_id;
private String name;
private String phone;
private String email;
/**
* @return the name
*/
public String getName()
{
return name;
}
/**
* @param name
* the name to set
*/
public void setName(String name)
{
this.name = name;
}
/**
* @return the phone
*/
public String getPhone()
{
if (null != phone)
{
return phone.replace("-", "").replace(" ", "");
}
return "";
}
/**
* @param phone
* the phone to set
*/
public void setPhone(String phone)
{
this.phone = phone;
}
/**
* @return the email
*/
public String getEmail()
{
return email;
}
/**
* @param email
* the email to set
*/
public void setEmail(String email)
{
this.email = email;
}
/**
* @return the contact_id
*/
public String getContact_id()
{
return contact_id;
}
/**
* @param contact_id
* the contact_id to set
*/
public void setContact_id(String contact_id)
{
this.contact_id = contact_id;
}
}
package com.contact.utils;
import java.util.ArrayList;
import java.util.List;
import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.text.TextUtils;
public class ContactHelper
{
public static List<ContactModel> getContactList(Context context)
{
List<ContactModel> models = new ArrayList<ContactModel>();
ContentResolver resolver = context.getContentResolver();
Uri raw_contacts_uri = Uri.parse("content://com.android.contacts/raw_contacts");
Uri data_uri = Uri.parse("content://com.android.contacts/data");
Cursor cursor = resolver.query(raw_contacts_uri, null, null, null, null);
while (cursor.moveToNext())
{
String contactid = cursor.getString(cursor.getColumnIndex("contact_id"));
System.out.println(contactid + "\n");
ContactModel model = new ContactModel();
if (null != contactid)
{
Cursor data_cursor = resolver.query(data_uri, null, "raw_contact_id=?", new String[]
{ contactid }, null);
while (data_cursor.moveToNext())
{
String data1 = data_cursor.getString(data_cursor.getColumnIndex("data1"));
String mimetype = data_cursor.getString(data_cursor.getColumnIndex("mimetype"));
if (data1 != null && mimetype != null)
{
System.out.println("mimetype=" + mimetype + ";data1=" + data1);
if ("vnd.android.cursor.item/name".equals(mimetype))
{
model.setName(data1);
} else if ("vnd.android.cursor.item/phone_v2".equals(mimetype))
{
model.setPhone(data1);
}
}
}
if (model.getName() != null && model.getPhone() != null)
{
if (!TextUtils.isEmpty(model.getName()) && !TextUtils.isEmpty(model.getPhone()))
{
models.add(model);
}
}
data_cursor.close();
}
}
cursor.close();
return models;
}
}