├── .gitignore
├── .idea
├── codeStyles
│ └── Project.xml
├── gradle.xml
├── misc.xml
└── runConfigurations.xml
├── Readme.txt
├── app
├── .gitignore
├── build.gradle
├── proguard-rules.pro
└── src
│ ├── androidTest
│ └── java
│ │ └── com
│ │ └── example
│ │ └── chirag
│ │ └── upi_payments
│ │ └── ExampleInstrumentedTest.java
│ ├── main
│ ├── AndroidManifest.xml
│ ├── java
│ │ └── com
│ │ │ └── example
│ │ │ └── chirag
│ │ │ └── upi_payments
│ │ │ └── MainActivity.java
│ └── res
│ │ ├── drawable-v24
│ │ └── ic_launcher_foreground.xml
│ │ ├── drawable
│ │ └── ic_launcher_background.xml
│ │ ├── layout
│ │ └── activity_main.xml
│ │ ├── mipmap-anydpi-v26
│ │ ├── ic_launcher.xml
│ │ └── ic_launcher_round.xml
│ │ ├── mipmap-hdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-mdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-xhdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-xxhdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-xxxhdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ └── values
│ │ ├── colors.xml
│ │ ├── strings.xml
│ │ └── styles.xml
│ └── test
│ └── java
│ └── com
│ └── example
│ └── chirag
│ └── upi_payments
│ └── ExampleUnitTest.java
├── build.gradle
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
└── settings.gradle
/.gitignore:
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1 | *.iml
2 | .gradle
3 | /local.properties
4 | /.idea/caches/build_file_checksums.ser
5 | /.idea/libraries
6 | /.idea/modules.xml
7 | /.idea/workspace.xml
8 | .DS_Store
9 | /build
10 | /captures
11 | .externalNativeBuild
12 |
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/.idea/codeStyles/Project.xml:
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/.idea/runConfigurations.xml:
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/Readme.txt:
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1 | Link to the youtube tutorial : https://www.youtube.com/watch?v=gIr_G6MG0pI
2 | Link to the youtube channel : https://www.youtube.com/channel/UCLIFAN-83cSg5EsKJApAscQ
3 |
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/app/.gitignore:
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1 | /build
2 |
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/app/build.gradle:
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1 | apply plugin: 'com.android.application'
2 |
3 | android {
4 | compileSdkVersion 28
5 | defaultConfig {
6 | applicationId "com.example.chirag.upi_payments"
7 | minSdkVersion 15
8 | targetSdkVersion 28
9 | versionCode 1
10 | versionName "1.0"
11 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
12 | }
13 | buildTypes {
14 | release {
15 | minifyEnabled false
16 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
17 | }
18 | }
19 | }
20 |
21 | dependencies {
22 | implementation fileTree(dir: 'libs', include: ['*.jar'])
23 | implementation 'com.android.support:appcompat-v7:28.0.0'
24 | implementation 'com.android.support.constraint:constraint-layout:1.1.3'
25 | testImplementation 'junit:junit:4.12'
26 | androidTestImplementation 'com.android.support.test:runner:1.0.2'
27 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
28 | }
29 |
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/app/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # You can control the set of applied configuration files using the
3 | # proguardFiles setting in build.gradle.
4 | #
5 | # For more details, see
6 | # http://developer.android.com/guide/developing/tools/proguard.html
7 |
8 | # If your project uses WebView with JS, uncomment the following
9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | # public *;
13 | #}
14 |
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 |
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
22 |
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/app/src/androidTest/java/com/example/chirag/upi_payments/ExampleInstrumentedTest.java:
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1 | package com.example.chirag.upi_payments;
2 |
3 | import android.content.Context;
4 | import android.support.test.InstrumentationRegistry;
5 | import android.support.test.runner.AndroidJUnit4;
6 |
7 | import org.junit.Test;
8 | import org.junit.runner.RunWith;
9 |
10 | import static org.junit.Assert.*;
11 |
12 | /**
13 | * Instrumented test, which will execute on an Android device.
14 | *
15 | * @see Testing documentation
16 | */
17 | @RunWith(AndroidJUnit4.class)
18 | public class ExampleInstrumentedTest {
19 | @Test
20 | public void useAppContext() {
21 | // Context of the app under test.
22 | Context appContext = InstrumentationRegistry.getTargetContext();
23 |
24 | assertEquals("com.example.chirag.upi_payments", appContext.getPackageName());
25 | }
26 | }
27 |
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/app/src/main/AndroidManifest.xml:
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/app/src/main/java/com/example/chirag/upi_payments/MainActivity.java:
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1 | package com.example.chirag.upi_payments;
2 |
3 | import android.content.Context;
4 | import android.content.Intent;
5 | import android.net.ConnectivityManager;
6 | import android.net.NetworkInfo;
7 | import android.net.Uri;
8 | import android.support.v7.app.AppCompatActivity;
9 | import android.os.Bundle;
10 | import android.util.Log;
11 | import android.view.View;
12 | import android.widget.Button;
13 | import android.widget.EditText;
14 | import android.widget.Toast;
15 |
16 | import java.util.ArrayList;
17 |
18 | public class MainActivity extends AppCompatActivity {
19 |
20 | EditText amountEt, noteEt, nameEt, upiIdEt;
21 | Button send;
22 |
23 | final int UPI_PAYMENT = 0;
24 |
25 | @Override
26 | protected void onCreate(Bundle savedInstanceState) {
27 | super.onCreate(savedInstanceState);
28 | setContentView(R.layout.activity_main);
29 |
30 | initializeViews();
31 |
32 | send.setOnClickListener(new View.OnClickListener() {
33 | @Override
34 | public void onClick(View view) {
35 | //Getting the values from the EditTexts
36 | String amount = amountEt.getText().toString();
37 | String note = noteEt.getText().toString();
38 | String name = nameEt.getText().toString();
39 | String upiId = upiIdEt.getText().toString();
40 | payUsingUpi(amount, upiId, name, note);
41 | }
42 | });
43 | }
44 |
45 | void initializeViews() {
46 | send = findViewById(R.id.send);
47 | amountEt = findViewById(R.id.amount_et);
48 | noteEt = findViewById(R.id.note);
49 | nameEt = findViewById(R.id.name);
50 | upiIdEt = findViewById(R.id.upi_id);
51 | }
52 |
53 | void payUsingUpi(String amount, String upiId, String name, String note) {
54 |
55 | Uri uri = Uri.parse("upi://pay").buildUpon()
56 | .appendQueryParameter("pa", upiId)
57 | .appendQueryParameter("pn", name)
58 | .appendQueryParameter("tn", note)
59 | .appendQueryParameter("am", amount)
60 | .appendQueryParameter("cu", "INR")
61 | .build();
62 |
63 |
64 | Intent upiPayIntent = new Intent(Intent.ACTION_VIEW);
65 | upiPayIntent.setData(uri);
66 |
67 | // will always show a dialog to user to choose an app
68 | Intent chooser = Intent.createChooser(upiPayIntent, "Pay with");
69 |
70 | // check if intent resolves
71 | if(null != chooser.resolveActivity(getPackageManager())) {
72 | startActivityForResult(chooser, UPI_PAYMENT);
73 | } else {
74 | Toast.makeText(MainActivity.this,"No UPI app found, please install one to continue",Toast.LENGTH_SHORT).show();
75 | }
76 |
77 | }
78 |
79 | @Override
80 | protected void onActivityResult(int requestCode, int resultCode, Intent data) {
81 | super.onActivityResult(requestCode, resultCode, data);
82 |
83 | switch (requestCode) {
84 | case UPI_PAYMENT:
85 | if ((RESULT_OK == resultCode) || (resultCode == 11)) {
86 | if (data != null) {
87 | String trxt = data.getStringExtra("response");
88 | Log.d("UPI", "onActivityResult: " + trxt);
89 | ArrayList dataList = new ArrayList<>();
90 | dataList.add(trxt);
91 | upiPaymentDataOperation(dataList);
92 | } else {
93 | Log.d("UPI", "onActivityResult: " + "Return data is null");
94 | ArrayList dataList = new ArrayList<>();
95 | dataList.add("nothing");
96 | upiPaymentDataOperation(dataList);
97 | }
98 | } else {
99 | Log.d("UPI", "onActivityResult: " + "Return data is null"); //when user simply back without payment
100 | ArrayList dataList = new ArrayList<>();
101 | dataList.add("nothing");
102 | upiPaymentDataOperation(dataList);
103 | }
104 | break;
105 | }
106 | }
107 |
108 | private void upiPaymentDataOperation(ArrayList data) {
109 | if (isConnectionAvailable(MainActivity.this)) {
110 | String str = data.get(0);
111 | Log.d("UPIPAY", "upiPaymentDataOperation: "+str);
112 | String paymentCancel = "";
113 | if(str == null) str = "discard";
114 | String status = "";
115 | String approvalRefNo = "";
116 | String response[] = str.split("&");
117 | for (int i = 0; i < response.length; i++) {
118 | String equalStr[] = response[i].split("=");
119 | if(equalStr.length >= 2) {
120 | if (equalStr[0].toLowerCase().equals("Status".toLowerCase())) {
121 | status = equalStr[1].toLowerCase();
122 | }
123 | else if (equalStr[0].toLowerCase().equals("ApprovalRefNo".toLowerCase()) || equalStr[0].toLowerCase().equals("txnRef".toLowerCase())) {
124 | approvalRefNo = equalStr[1];
125 | }
126 | }
127 | else {
128 | paymentCancel = "Payment cancelled by user.";
129 | }
130 | }
131 |
132 | if (status.equals("success")) {
133 | //Code to handle successful transaction here.
134 | Toast.makeText(MainActivity.this, "Transaction successful.", Toast.LENGTH_SHORT).show();
135 | Log.d("UPI", "responseStr: "+approvalRefNo);
136 | }
137 | else if("Payment cancelled by user.".equals(paymentCancel)) {
138 | Toast.makeText(MainActivity.this, "Payment cancelled by user.", Toast.LENGTH_SHORT).show();
139 | }
140 | else {
141 | Toast.makeText(MainActivity.this, "Transaction failed.Please try again", Toast.LENGTH_SHORT).show();
142 | }
143 | } else {
144 | Toast.makeText(MainActivity.this, "Internet connection is not available. Please check and try again", Toast.LENGTH_SHORT).show();
145 | }
146 | }
147 |
148 | public static boolean isConnectionAvailable(Context context) {
149 | ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
150 | if (connectivityManager != null) {
151 | NetworkInfo netInfo = connectivityManager.getActiveNetworkInfo();
152 | if (netInfo != null && netInfo.isConnected()
153 | && netInfo.isConnectedOrConnecting()
154 | && netInfo.isAvailable()) {
155 | return true;
156 | }
157 | }
158 | return false;
159 | }
160 | }
161 |
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