先說一句:MIUI請放棄治療!這里給個傳送門:
識別短信驗證碼并提取還是挺常見的一個需求。所要解決的問題主要有:
1、如何監(jiān)聽
2、如何提取短信中的驗證碼
3、監(jiān)聽多次調(diào)用問題
直接看下面代碼吧,很明了。需要注意的點有就是onChange會多次調(diào)用。其實打Log就看的出了,收到一條短信會調(diào)用兩次onChange,Log結(jié)果如下:
mUri===content://sms/raw/20mUri===content://sms/inbox/20
安卓7.0以上系統(tǒng),點擊標記為已讀,也會調(diào)用一次
mUri===content://sms
收到一條短信都是uri后面都會有確定的一個數(shù)字,對應(yīng)數(shù)據(jù)庫的_id,比如上面的20
public static class SMSCodeObserver extends ContentObserver {    private Activity mActivity;    private static final String TAG = "SMSCodeObserver";    private SMSCodeListener mSMSCodeListener;    private Uri mUri;    public void setSMSCodeListener(SMSCodeListener SMSCodeListener) {      mSMSCodeListener = SMSCodeListener;    }    public interface SMSCodeListener {      void onResult(String code);    }    public SMSCodeObserver(Handler handler, Activity activity) {      super(handler);      mActivity = activity;    }    public void register() {      mActivity.getContentResolver().registerContentObserver(          Uri.parse("content://sms/"), true, this);    }    public void unRegister() {      mActivity.getContentResolver().unregisterContentObserver(this);    }    @Override    public void onChange(boolean selfChange, Uri uri) {      super.onChange(selfChange, uri);      if (uri == null) {        mUri = Uri.parse("content://sms/inbox");      } else {        mUri = uri;      }      if (mUri.toString().contains("content://sms/raw") || mUri.toString().equals("content://sms")) {        return;      }      LogUtils.d(TAG, "mUri===" + mUri.toString());      AndPermission.with(mActivity)          .permission(Manifest.permission.READ_SMS)          .requestCode(100)          .callback(this)          .rationale(new RationaleListener() {            @Override            public void showRequestPermissionRationale(int requestCode, Rationale rationale) {              AndPermission.rationaleDialog(mActivity, rationale)                  .show();            }          })          .start();    }    @PermissionYes(100)    @SuppressWarnings("unused")    private void getPermissionYes(List<String> grantedPermissions) {      handleSMS();    }    @PermissionNo(100)    @SuppressWarnings("unused")    private void getPermissionNo(List<String> deniedPermissions) {      if (AndPermission.hasPermission(mActivity, Manifest.permission.READ_SMS)) {        handleSMS();      } else {        AndPermission.defaultSettingDialog(mActivity)            .show();      }    }    private void handleSMS() {       /* 按照日期倒序排序 */      Cursor cursor = mActivity.getContentResolver().query(mUri, null, null, null, "date desc");      if (cursor != null) {        if (cursor.moveToFirst()) {//游標移動到first位置          /* 發(fā)件人的號碼 */          String address = cursor.getString(cursor.getColumnIndex("address"));          /* 短信內(nèi)容 */          String body = cursor.getString(cursor.getColumnIndex("body"));          LogUtils.d(TAG, "address:" + address + ",body:" + body);          if (!body.contains("驗證碼")) {            return;          }          /* 利用正則提取驗證碼(根據(jù)實際情況修改) */          String code = getSMSCode(body);          if (code != null) {            if (mSMSCodeListener != null) {              mSMSCodeListener.onResult(code);            }            LogUtils.d(TAG, "code:" + code);          }        }        cursor.close();      }    }    private static String getSMSCode(String msg) {      /*提取正則表達式,需按需修改*/      Pattern p = Pattern.compile("(?<![0-9])([0-9]{6})(?![0-9])");      Matcher m = p.matcher(msg);      if (m.find()) {        LogUtils.d(TAG, m.group());        return m.group(0);      }      return null;    }  }以上就是本文的全部內(nèi)容,希望對大家的學習有所幫助,也希望大家多多支持VEVB武林網(wǎng)。
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