This is a simple Android M-PESA SDK to allow you to integrate Safaricom M-PESA API dubbed Daraja in your Android App with ease without knowing a thing. It’s easy. I promise. 🚀
This version only offers the MPESA Express (STKPush) Support.
I will be having Kotlin support soon also, as well as examples!
These instructions will help you set up this library easily on your current project and working in no time. You only need a few configurations to start working!
To be able to use the following library, you will need to add the following gradle dependency in your build.gradle(module:app) file
dependencies {
implementation 'com.androidstudy:daraja:1.0.0'
}That is the basic set up needed to be able to use the library in your applications!
Daraja requires minSdkVersion Level 14 (Min Supported by Android Studio)
If you are using this Library,don't forget the following permission:
<uses-permission android:name="android.permission.INTERNET"/>
That's it, you have the required permissions and ready to go!
Simple use cases with MPESA Express (STKPush) will look something like this:
//For Sandbox Mode
Daraja daraja = Daraja.with(CONSUMER_KEY, CONSUMER_SECRET, new DarajaListener<AccessToken>() {
@Override
public void onResult(@NonNull AccessToken accessToken) {
Log.i(MainActivity.this.getClass().getSimpleName(), accessToken.getAccess_token());
}
@Override
public void onError(String error) {
Log.e(MainActivity.this.getClass().getSimpleName(), error);
}
});
//For Production Mode
Daraja daraja = Daraja.with(CONSUMER_KEY, CONSUMER_SECRET, Env.PRODUCTION, new DarajaListener<AccessToken>() {
@Override
public void onResult(@NonNull AccessToken accessToken) {
Log.i(MainActivity.this.getClass().getSimpleName(), accessToken.getAccess_token());
}
@Override
public void onError(String error) {
Log.e(MainActivity.this.getClass().getSimpleName(), error);
}
});Notice the Env.SANDBOX is OPTIONAL. Daraja uses SANDBOX as the Default Mode. To switch to Production Mode, pass the Env.PRODUCTION and let Daraja do the rest!
This initializes Daraja and also generates a Token to be used for further requests. This should be done in your Application onCreate Method, to allow Daraja generate the Authorization Token as early as possible.
With the Token generated, create a LNMExpress Object, to be able to pass it to the sendSTKPush method as shown below. Replace with actual values.
LNMExpress lnmExpress = new LNMExpress(
"BUSINESS_SHORT_CODE",
"PASS_KEY",
"AMOUNT",
"PARTY_A",
"PARTY_B",
"PHONE_NUMBER",
"CALLBACK_URL",
"ACCOUNT_REFERENCE",
"TRANSACTION_DESCRIPTION"
);You can now request an STKPush with ease.Just call the sendSTKPush as shown here:
//For both Sandbox and Production Mode
button.setOnClickListener(v -> daraja.sendSTKPush(lnmExpress,
new DarajaListener<LNMResult>() {
@Override
public void onResult(@NonNull LNMResult lnmResult) {
Log.i(MainActivity.this.getClass().getSimpleName(), lnmResult.ResponseDescription);
}
@Override
public void onError(String error) {
Log.i(MainActivity.this.getClass().getSimpleName(), error);
}
}
));This sanitizes all the data, as required by Safaricom before making a request for the STKPush. You only need to pass the parameters and Daraja will do the rest!
The following table highlights the requirements needed by Daraja, as described in the Safaricom Developer API Page
| Name | Description | Parameter Type | Possible Values |
|---|---|---|---|
| BusinessShortCode | The organization shortcode used to receive the transaction | Numeric | Shortcode (6 digits) |
| Passkey | Lipa Na Mpesa Online PassKey | Alpha-Numeric | |
| Amount | The amount to be transacted | Numeric | 100 |
| PartyA | The entity sending the funds | Numeric | MSISDN (12 digits) |
| PartyB | The organization receiving the funds | Numeric | Shortcode (6 digits) |
| PhoneNumber | The MSISDN sending the funds | Numeric | MSISDN (12 digits) |
| CallBackURL | Call Back URL | URL | https://ip or domain:port/path |
| AccountReference | Account Reference | Alpha-Numeric | Any combinations of letters and numbers |
| TransactionDesc | Description of the transaction | String | any string of less then 20 characters |
Get the Pass Key Here : https://developer.safaricom.co.ke/test_credentials
Make a simple Daraja request as shown in the code sample below. First, make sure your import these dependencies (or let Android Studio auto-import), and initialize a few configurations
import Daraja;
import DarajaListener;
import AccessToken;
import LNMExpress;
import LNMResult;
import butterknife.BindView;
import butterknife.ButterKnife;
public class MainActivity extends AppCompatActivity {
@BindView(R.id.editTextPhoneNumber)
EditText editTextPhoneNumber;
@BindView(R.id.sendButton)
Button sendButton;
//Declare Daraja :: Global Variable
Daraja daraja;
String phoneNumber;Inside your onCreate Method, set up Initialize Daraja as shown below:
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_main);
ButterKnife.bind(this);
//Init Daraja
//TODO :: REPLACE WITH YOUR OWN CREDENTIALS :: THIS IS SANDBOX DEMO
daraja = Daraja.with("EG6TJgOCyuVGHKUeJs0uLXKsLCANRjbo", "4F3tAlRZ4OzNZt0Y", new DarajaListener<AccessToken>() {
@Override
public void onResult(@NonNull AccessToken accessToken) {
Log.i(MainActivity.this.getClass().getSimpleName(), accessToken.getAccess_token());
Toast.makeText(MainActivity.this, "TOKEN : " + accessToken.getAccess_token(), Toast.LENGTH_SHORT).show();
}
@Override
public void onError(String error) {
Log.e(MainActivity.this.getClass().getSimpleName(), error);
}
});Make the Daraja STKPush request with ease now:
//TODO :: THIS IS A SIMPLE WAY TO DO ALL THINGS AT ONCE!!! DON'T DO THIS :)
sendButton.setOnClickListener(v -> {
//Get Phone Number from User Input
phoneNumber = editTextPhoneNumber.getText().toString().trim();
if (TextUtils.isEmpty(phoneNumber)) {
editTextPhoneNumber.setError("Please Provide a Phone Number");
return;
}
//TODO :: REPLACE WITH YOUR OWN CREDENTIALS :: THIS IS SANDBOX DEMO
LNMExpress lnmExpress = new LNMExpress(
"174379",
"bfb279f9aa9bdbcf158e97dd71a467cd2e0c893059b10f78e6b72ada1ed2c919", //https://developer.safaricom.co.ke/test_credentials
"100",
"254708374149",
"174379",
phoneNumber,
"http://mycallbackurl.com/checkout.php",
"001ABC",
"Goods Payment"
);
daraja.requestMPESAExpress(lnmExpress,
new DarajaListener<LNMResult>() {
@Override
public void onResult(@NonNull LNMResult lnmResult) {
Log.i(MainActivity.this.getClass().getSimpleName(), lnmResult.ResponseDescription);
}
@Override
public void onError(String error) {
Log.i(MainActivity.this.getClass().getSimpleName(), error);
}
}
);
});The whole process looks similar to these screenshots:
I am glad you’re interested in Daraja, and I’d love to see where you take it. If you would like to contribute code to this project you can do so through GitHub by Forking the Repository and creating a Pull Request.
When submitting code, please make every effort to follow existing conventions and style in order to keep the code as readable as possible. I look forward to you submitting a Pull Request.
Thanks, and please do take it for a joyride!
Juma Allan
MIT License
Copyright (c) 2018 Juma Allan
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