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(Android™) PayPal - Generate Invoice NumberGenerates the next invoice number that is available to the user. Note: This example requires Chilkat v9.5.0.65 or greater.
// Important: Don't forget to include the call to System.loadLibrary // as shown at the bottom of this code sample. package com.test; import android.app.Activity; import com.chilkatsoft.*; import android.widget.TextView; import android.os.Bundle; public class SimpleActivity extends Activity { private static final String TAG = "Chilkat"; // Called when the activity is first created. @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Note: Requires Chilkat v9.5.0.65 or greater. // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Load our previously obtained access token. (see PayPal OAuth2 Access Token) CkJsonObject jsonToken = new CkJsonObject(); jsonToken.LoadFile("qa_data/tokens/paypal.json"); // Build the Authorization request header field value. CkStringBuilder sbAuth = new CkStringBuilder(); // token_type should be "Bearer" sbAuth.Append(jsonToken.stringOf("token_type")); sbAuth.Append(" "); sbAuth.Append(jsonToken.stringOf("access_token")); // Make the initial connection. // A single REST object, once connected, can be used for many PayPal REST API calls. // The auto-reconnect indicates that if the already-established HTTPS connection is closed, // then it will be automatically re-established as needed. CkRest rest = new CkRest(); boolean bAutoReconnect = true; boolean success = rest.Connect("api.sandbox.paypal.com",443,true,bAutoReconnect); if (success != true) { Log.i(TAG, rest.lastErrorText()); return; } // ---------------------------------------------------------------------------------------------- // The code above this comment could be placed inside a function/subroutine within the application // because the connection does not need to be made for every request. Once the connection is made // the app may send many requests.. // ---------------------------------------------------------------------------------------------- // Clear the REST object of any headers or query params from previous requests. rest.ClearAllHeaders(); rest.ClearAllQueryParams(); rest.AddHeader("Authorization",sbAuth.getAsString()); // Send the POST request with an emtpy body and get the JSON response. CkStringBuilder sbJsonRequest = new CkStringBuilder(); CkStringBuilder sbJsonResponse = new CkStringBuilder(); success = rest.FullRequestSb("POST","/v1/invoicing/invoices/next-invoice-number",sbJsonRequest,sbJsonResponse); if (success != true) { Log.i(TAG, rest.lastErrorText()); return; } CkJsonObject json = new CkJsonObject(); json.put_EmitCompact(false); json.LoadSb(sbJsonResponse); Log.i(TAG, "Response Status Code = " + String.valueOf(rest.get_ResponseStatusCode())); // Did we get a 200 success response? if (rest.get_ResponseStatusCode() != 200) { Log.i(TAG, json.emit()); Log.i(TAG, "Failed."); return; } // Sample JSON response is shown below. Log.i(TAG, json.emit()); Log.i(TAG, "----------------------"); Log.i(TAG, "Next invoice number: " + json.stringOf("number")); Log.i(TAG, "success"); // ------------------------------------------------ // A sample JSON response: // { // "number": "0003" // } } static { System.loadLibrary("chilkat"); // Note: If the incorrect library name is passed to System.loadLibrary, // then you will see the following error message at application startup: //"The application <your-application-name> has stopped unexpectedly. Please try again." } } |
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