是的,Android系统可以通过调用短信管理器的接口来获取未读信息。具体的代码可以参考以下示例:
```java
Uri uri = Uri.parse("content://sms/inbox");
String[] projection = new String[]{"_id", "address", "person", "body", "date", "read"};
String selection = "read = 0"; // 0表示未读消息
String sortOrder = "date desc";
Cursor cursor = getContentResolver().query(uri, projection, selection, null, sortOrder);
if (cursor != null && cursor.moveToFirst()) {
do {
// 获取短信的相关信息
String id = cursor.getString(cursor.getColumnIndex("_id"));
String address = cursor.getString(cursor.getColumnIndex("address"));
String body = cursor.getString(cursor.getColumnIndex("body"));
long date = cursor.getLong(cursor.getColumnIndex("date"));
// 更新短信为已读状态
ContentValues values = new ContentValues();
values.put("read", "1");
getContentResolver().update(uri, values, "_id = ?", new String[]{id});
// 处理短信内容
// ...
} while (cursor.moveToNext());
}
if (cursor != null) {
cursor.close();
}
```
以上代码会查询未读的短信,并将其标记为已读状态。你可以在`do-while`循环中处理每条短信的内容,如显示通知、提取关键信息等。请注意,你需要获取读取短信的权限`