收发短信应该是每个手机最基本的功能之一了，即使是许多年前的老手机也都会具备这项功能，而Android 作为出色的智能手机操作系统，自然也少不了在这方面的支持。今天我们开始自己创建一个简单的发送和接收短信的应用。
目录导航
接收短信
项目的结构如下：一个简单的接收和发送短信的功能
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" 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一、定义一个接收短信的广播：当手机接收到一条短信的时候，系统会发出一条值为android.provider.Telephony.SMS_RECEIVED 的广播，这条广播里携带着与短信相关的所有数据。
// 接收短信的广播
class MessageReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Bundle bundle = intent.getExtras();
Object[] pdus = (Object[]) bundle.get("pdus"); // 提取短信消息
SmsMessage[] messages = new SmsMessage[pdus.length];
for (int i = 0; i < messages.length; i++) {
messages[i] = SmsMessage.createFromPdu((byte[]) pdus[i]);
}
String address = messages[0].getOriginatingAddress(); // 获取发送方号码
String fullMessage = "";
for (SmsMessage message : messages) {
fullMessage += message.getMessageBody(); // 获取短信内容
}
textView.setText("address; " + address + ", message: " + fullMessage);
abortBroadcast();
}
}
二、 注册广播，这里我们动态在代码中注册：
// 注册接收广播
IntentFilter intentFilter1 = new IntentFilter();
intentFilter1.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY);
intentFilter1.addAction("android.provider.Telephony.SMS_RECEIVED");
messageReceiver = new MessageReceiver();
registerReceiver(messageReceiver, intentFilter1);
三、 声明权限：
<uses-permission android:name="android.permission.SEND_SMS" />
<uses-permission android:name="android.permission.RECEIVE_SMS" />
发送短信
一、 发送短信：用getDefault方法得到SmsManager对象，调用sendTextMessage方法发送短信
// 发送短信
public void send(View view) {
SmsManager smsManager = SmsManager.getDefault();
String destinationAddress = "15527100207";
String text = "我爱你！"; Intent intent1 = new Intent(SENT_SMS_ACTION);
PendingIntent sentIntent = PendingIntent.getBroadcast(this, 0, intent1, 0);
Intent intent2 = new Intent(DELIVERY_SMS_ACTION);
PendingIntent deliveryIntent = PendingIntent.getBroadcast(this, 0, intent2, 0);
smsManager.sendTextMessage(destinationAddress, null, text, sentIntent, deliveryIntent); // aidl服务,进程间的通信
}
我们具体了解一下sendTextMessage方法一个参数的含义：
public void sendTextMessage(String destinationAddress, String scAddress, String text,PendingIntent sentIntent, PendingIntent deliveryIntent)
destinationAddress: // 目的地，也就是对方的手机号
scAddress： // 服务中心地址，为空的话就是默认的SMSC
text： // 发送消息的具体内容
sentIntent： // 当消息成功或者失败发送时，就发起这个广播
deliveryIntent： // 当消息到达目的地时，就发起这个广播
三、 sentIntent的广播：
// 发送短信的状态广播
class MessageBroadcast extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// 一个10位数的号码发送，也能成功，但是对方没有接收短信。
if (getResultCode() == RESULT_OK) {
Toast.makeText(MainActivity.this, "发送成功!", Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(MainActivity.this, "发送失败!", Toast.LENGTH_SHORT).show();
}
}
}
四、 deliveryIntent的广播：
// 当消息被传递给收件人时
class DeliveryBroadcast extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Toast.makeText(MainActivity.this, "对方接收短信成功!", Toast.LENGTH_SHORT).show();
}
}