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Android中监听短信的两种方法

2015-04-24 12:03 651 查看

1、监听广播

缺点，因为优先级的原因可能接收不到。

代码:

public static final String TAG = "ImiChatSMSReceiver";
public static final String SMS_RECEIVED_ACTION = "android.provider.Telephony.SMS_RECEIVED";
public void onReceive(Context context, Intent intent)
{
if (intent.getAction().equals(SMS_RECEIVED_ACTION))
{
SmsMessage[] messages = getMessagesFromIntent(intent);
for (SmsMessage message : messages)
{
String text = message.getOriginatingAddress() + " : " +
message.getDisplayOriginatingAddress() + " : " +
message.getDisplayMessageBody() + " : " +
message.getTimestampMillis();
String num = message.getOriginatingAddress();
Log.i(TAG, "-------------" + text);
Toast.makeText(context, text, Toast.LENGTH_LONG).show();
sendMessage(num, "来自" + num + "的短信已经收到", context);
context.getContentResolver().registerContentObserver(Uri.parse("content://sms/"), true, new SmsObserver(new Handler(), context));
}
}
}
public void sendMessage(String num, String text, Context context)
{
SmsManager smsManager = SmsManager.getDefault();
PendingIntent sentIntent = PendingIntent.getBroadcast(context, 0, new Intent(), 0);
String strContent = text;
smsManager.sendTextMessage(num, null, strContent, sentIntent, null);
TelephonyManager tl = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
int itype = tl.getPhoneType();
Log.i(TAG, "-------------" + "当前卡类型为：" + itype);
if (itype == TelephonyManager.PHONE_TYPE_GSM)
{
Toast.makeText(context, "当前卡类型为：GSM", Toast.LENGTH_LONG).show();
}
else if (itype == TelephonyManager.PHONE_TYPE_CDMA)
{
Toast.makeText(context, "当前卡类型为 : CDMA", Toast.LENGTH_LONG).show();
}
else if (itype == TelephonyManager.PHONE_TYPE_NONE)
{
Toast.makeText(context, "当前卡类型为：NONE", Toast.LENGTH_LONG).show();
}
}
public final SmsMessage[] getMessagesFromIntent(Intent intent)
{
Object[] messages = (Object[]) intent.getSerializableExtra("pdus");
byte[][] pduObjs = new byte[messages.length][];
for (int i = 0; i < messages.length; i++)
{
pduObjs[i] = (byte[]) messages[i];
}
byte[][] pdus = new byte[pduObjs.length][];
int pduCount = pdus.length;
SmsMessage[] msgs = new SmsMessage[pduCount];
for (int i = 0; i < pduCount; i++)
{
pdus[i] = pduObjs[i];
msgs[i] = SmsMessage.createFromPdu(pdus[i]);
}
return msgs;
}

2、采用观察方法，监听短信数据库

public class SmsObserver extends ContentObserver
{
private Context mContext;
public SmsObserver(Handler handler , Context context)
{
super(handler);
mContext = context;
}
public void onChange(boolean selfChange)
{
super.onChange(selfChange);
Cursor cursor =null;
try
{
//读取收件箱中的短信
cursor = mContext.getContentResolver().query(Uri.parse("content://sms/inbox"), null, null, null, "date desc");
String body;
boolean hasDone =false;
if (cursor !=null)
{
while (cursor.moveToNext())
{
body = cursor.getString(cursor.getColumnIndex("body"));
if(body !=null)//&& body.equals("【startMyActivity】"
{
hasDone =true;
break;
}
if (hasDone)
{
break;
}
}
}
}
catch(Exception e)
{
e.printStackTrace();
}
finally
{
if(cursor!=null)    cursor.close();
}
}
}

用到的权限：

<uses-permission android:name="android.permission.SEND_SMS" />
<uses-permission android:name="android.permission.RECEIVE_SMS" />
<uses-permission android:name="android.permission.READ_SMS" />

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