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Is it possible to send an SMS from an Android app and change the sender number, so that the receiver will see the SMS as coming from someone else?
I'm not doing this for pranks or illegal systems, it's something necessary.
Thank you
I don't believe this is possible, and would find it highly questionable if it were.
If you're simply looking to give someone the ability to send a message to a number using your app as a service. Then try using Twilio www.twilio.com or something similar where you can pick a number and send message to others. Although you will be paying for the SMS's that are sent and this may not be what you want.
This is possible, but you need a sms server/gateway or an online provider which does it for you. You could even enter text as your number (companies like facebook and google do this).
A site I found: http://api.textmagic.com/
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I want to make a chat app in which all features of chat like messaging, sharing video, image, and emoji, etc. I found a lot of tutorials for that but no one says how to chat with only those you know or have in contacts to prevent unwanted disturbance to the users from others. How to make such an app with flutter?
One way is by reading all the contacts number form the phone and then check if that phone number is registered
One feature/method I can think of is using referral/invite. The person can only join the app only if he is invited and the invitation is approved by the admin. This way you can have control over who accesses your app.
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i want to make an application about how to receive Notification from other phone but i don't know how to do it,i'm already search the keyword still didn't have a match with my problem, please can u give me an advice or tell me how i'm gonna do it?thank you
You have to use client-server communication for your requirement.
In that you have to follow step as:
Create server to listen client.
Retrieve notification from device A (as a client).
send data to device B(as a server).
you can refer link for server-client communication
https://www.journaldev.com/741/java-socket-programming-server-client
http://www.coderzheaven.com/2017/05/01/client-server-programming-in-android-send-message-to-the-client-and-back/
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In Xamarin forms I want to sent email directly from app without opening email client. I want user to type in text and just send it with predefined subject to predefined email address. I need implementation for IOS and Android. Is it possible to do within share project in Xamarin forms?
I think you should ask yourself if that really is the best approach, I think it would be better to have some call to your back-end and have that send it for you.
But I'm not the one to judge your requirements, so if I'm just looking for a solution why not setup a SendGrid account (free up til a whole bunch of mails in Azure) and use the SendGrid API (easily accessible through a NuGet package) to send your mail. There are probably some more alternatives like this out there.
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I want to create an application, when I enter any mobile number it should give me current location of that number.
Guys please help me if it is possible then tell me how it is possible ?
you cant get the location from cell number !!!!!
though there are some applications in some countries which they do something like this but the mechanism is different.
how they work is, user registers in their app and they use Cell Number as username for registering users. then this way they can tell you the location of other users by phone number. (you can just see users' location who registered in app)
since there isnt any way to get the cell number programatically so such system you want cant exist unless the user gives you the number and you verify it some how (sending code sms and etc) and thats what the apps i mentioned are doing.
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In the Android application, I am developing a one functionality that sends sms messages to given numbers automatically when the application is running. That function is working properly but after the messages is sent the cost for that messages prompts on a alert box.
Normally when I send a message that alert box prompts. But in my application I want to disable it because it disturbs to my application. How can I achieve that.
If you have any Idea then Please Guide me.
Thanks,
Reena
These pop-ups are flash messages that are generated by SIMCARD network provider. There is nothing you can do about it from your app end to put an end to them. But, you can stop it by disabling SIMCARD Services settings.
For disabling flash message you may check the link:
http://www.imobileandroid.com/disable-pop-flash-message-vodafone-android/
It has a process mentioned. So if you can have your all customers devices with you, sure you can stop it, otherwise NO.
Authors Note : Better stop worrying about it ;)