先说一句：MIUI请放弃治疗！这里给个传送门：
MIUI通知类短信权限的坑
识别短信验证码并提取还是挺常见的一个需求。所要解决的问题主要有：
1、如何监听
2、如何提取短信中的验证码
3、监听多次调用问题
直接看下面代码吧，很明了。需要注意的点有就是onChange会多次调用。其实打Log就看的出了，收到一条短信会调用两次onChange，Log结果如下：
代码语言：javascript复制mUri===content://sms/raw/20
mUri===content://sms/inbox/20安卓7.0以上系统，点击标记为已读，也会调用一次
代码语言：javascript复制mUri===content://sms收到一条短信都是uri后面都会有确定的一个数字，对应数据库的_id，比如上面的20
代码语言：javascript复制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()) {//游标移动到first位置
/* 发件人的号码 */
String address = cursor.getString(cursor.getColumnIndex("address"));
/* 短信内容 */
String body = cursor.getString(cursor.getColumnIndex("body"));
LogUtils.d(TAG, "address:" address ",body:" body);
if (!body.contains("验证码")) {
return;
}
/* 利用正则提取验证码（根据实际情况修改） */
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) {
/*提取正则表达式，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内容，希望对大家的学习有所帮助。
