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Payement.java

+package com.example.fund_restart;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+
+public class Payement extends AppCompatActivity implements View.OnClickListener {
+    Button don_pay;
+    String money = String.valueOf(10);
+    String url;
+    private static final int TEZ_REQUEST_CODE = 123;
+    private static final String GOOGLE_TEZ_PACKAGE_NAME = "com.google.android.apps.nbu.paisa.user";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_payement);
+        Bundle b = getIntent().getExtras();
+        String url = b.getString("url");
+        don_pay = findViewById(R.id.don_pay);
+        don_pay.setOnClickListener(this);
+        String he = url;
+
+        /*       Uri uri =
+                    new Uri.Builder()
+                            .scheme("upi")
+                            .authority("pay")
+                            .appendQueryParameter("pa", "cmrfbihar@idbi")
+                            .appendQueryParameter("pn", "Test Merchant")
+                            .appendQueryParameter("mc", "1234")
+                            .appendQueryParameter("tr", "123456789")
+                            .appendQueryParameter("tn", "Little help")
+                            .appendQueryParameter("am", "1.01")
+                            .appendQueryParameter("cu", "INR")
+                            .appendQueryParameter("url", "https://gpay.app.goo.gl/31gzbM")
+                            .build();
+            Intent intent = new Intent(Intent.ACTION_VIEW);
+            intent.setData(uri);
+            intent.setPackage(GOOGLE_TEZ_PACKAGE_NAME);
+            startActivityForResult(intent, TEZ_REQUEST_CODE);
+
+
+            Uri uri =
+                    new Uri.Builder()
+                            .scheme("upi")
+                            .authority("pay")
+                            .appendQueryParameter("pa", "dhanushg100@okhdfcbank")
+                            .appendQueryParameter("pn", "Test Merchant")
+                            .appendQueryParameter("mc", "1234")
+                            .appendQueryParameter("tr", "123456789")
+                            .appendQueryParameter("tn", "Little Help")
+                            .appendQueryParameter("am", "1.01")
+                            .appendQueryParameter("cu", "INR")
+                            .appendQueryParameter("url", "https://gpay.app.goo.gl/ypFRwR")
+                            .build();
+            Intent intent = new Intent(Intent.ACTION_VIEW);
+            intent.setData(uri);
+             intent.setPackage(GOOGLE_TEZ_PACKAGE_NAME);
+            startActivityForResult(intent, TEZ_REQUEST_CODE);*/
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (v == don_pay) {
+            if (url == "bihar") {
+                Uri uri =
+                        new Uri.Builder()
+                                .scheme("upi")
+                                .authority("pay")
+                                .appendQueryParameter("pa", "cmrfbihar@idbi")
+                                .appendQueryParameter("pn", "Test Merchant")
+                                .appendQueryParameter("mc", "1234")
+                                .appendQueryParameter("tr", "123456789")
+                                .appendQueryParameter("tn", "Little help")
+                                .appendQueryParameter("am", money)
+                                .appendQueryParameter("cu", "INR")
+                                .appendQueryParameter("url", "https://gpay.app.goo.gl/31gzbM")
+                                .build();
+                Intent intent = new Intent(Intent.ACTION_VIEW);
+                intent.setData(uri);
+                intent.setPackage(GOOGLE_TEZ_PACKAGE_NAME);
+                startActivityForResult(intent, TEZ_REQUEST_CODE);
+            }
+
+
+        }
+    }
+}