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android短信驗證碼怎麽利用contentobserve自動讀取

 android上獲取短信信息主要有BroadcastReceiver方式與數據庫方式,要實時的話就BroadcastReceiver比較方便

public class SMSReceiver extends BroadcastReceiver{

private String verifyCode="";

public static final String TAG = "SMSReceiver";

public static final String SMS_RECEIVED_ACTION = "android.provider.Telephony.SMS_RECEIVED";

@Override

public void onReceive(Context context, Intent intent){

if (intent.getAction().equals(SMS_RECEIVED_ACTION)){

SmsMessage[] messages = getMessagesFromIntent(intent);

for (SmsMessage message : messages){

Log.i(TAG, message.getOriginatingAddress() + " : " +

message.getDisplayOriginatingAddress() + " : " +

message.getDisplayMessageBody() + " : " +

message.getTimestampMillis());

String smsContent=message.getDisplayMessageBody();

Log.i(TAG, smsContent);

writeFile(smsContent);//將短信內容寫入SD卡

}

}

}

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;

}

//將短信內容寫到SD卡上的文件裏,便於將文件pull到PC,這樣可方便其它如WWW/WAP平臺的自動化

@SuppressLint("SdCardPath")

public void writeFile(String str){

String filePath="/mnt/sdcard/verifyCode.txt";

byte [] bytes = str.getBytes();

try{

File file=new File(filePath);

file.createNewFile();

FileOutputStream fos=new FileOutputStream(file);

fos.write(bytes);

fos.close();

}catch(IOException e){

e.printStackTrace();

}

}

如此當有短信收到時就可以將短信內容寫到SD卡中的文件裏

在另壹個java類中寫個讀取文件內容的方法,並在寫測試用例過程中,將得到的String按驗證碼的具體位置截取即可。

public String read(String str) throws IOException{

File file=new File(str);

FileInputStream fis=new FileInputStream(file);

StringBuffer sb=new StringBuffer();

BufferedInputStream bis=new BufferedInputStream(fis);

BufferedReader read = new BufferedReader (new InputStreamReader(bis));

int c=0;

while ((c=read.read())!=-1) {

sb.append((char) c);

}

read.close();

bis.close();

fis.close();

Log.i(TAG, sb.toString());

String verify=sb.toString();

return verify;

}

最後需要在manifest中增加申明,且註冊權限

<receiver android:name="com.cplatform.surfdesktop.test.util.SMSReceiver">

<intent-filter>

<action android:name="android.provider.Telephony.SMS_RECEIVED" />

</intent-filter>

</receiver>

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

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>

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

測試過程中需要用到短信驗證碼時就可以實時獲取了