Kakao Pay - PayActivity.java (2)

PayActivity2.java

package com.jaeho;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;

import com.android.volley.AuthFailureError;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;

import java.util.HashMap;
import java.util.Map;

public class PayActivity extends AppCompatActivity {

		// ''''' 생략 '''''' //
    

    public class MyWebViewClient extends WebViewClient {

				// ''''' 생략 '''''' //        

        // 결제 요청 단계 - 통신을 받을 Response 변수
        Response.Listener<String> approvalResponse = new Response.Listener<String>() {
            @Override
            public void onResponse(String response) {
                Log.e("Debug", response);
            }
        };

        // 결제 요청 단계 - 통신을 넘겨줄 Request 변수
        StringRequest approvalRequest = new StringRequest(Request.Method.POST, "https://kapi.kakao.com/v1/payment/approve", approvalResponse, errorListener) {
            @Override
            protected Map<String, String> getParams() throws AuthFailureError {
                Map<String, String> params = new HashMap<>();
                params.put("cid", "TC0ONETIME");
                params.put("tid", tidPin);
                params.put("partner_order_id", "1001");
                params.put("partner_user_id", "gorany");
                params.put("pg_token", pgToken);
                params.put("total_amount", productPrice);
                return params;
            }

            @Override
            public Map<String, String> getHeaders() throws AuthFailureError {
                Map<String, String> headers = new HashMap<>();
                headers.put("Authorization", "KakaoAK " + "dfda30650082a405be23fce878038ad4");
                return headers;
            }
        };

        // URL 변경시 발생 이벤트
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
						Log.e("Debug", "url" + url);

            if (url != null && url.contains("pg_token=")) {
                String pg_Token = url.substring(url.indexOf("pg_token=") + 9);
                pgToken = pg_Token;

                requestQueue.add(approvalRequest);

            } else if (url != null && url.startsWith("intent://")) {
                try {
                    Intent intent = Intent.parseUri(url, Intent.URI_INTENT_SCHEME);
                    Intent existPackage = getPackageManager().getLaunchIntentForPackage(intent.getPackage());
                    if (existPackage != null) {
                        startActivity(intent);
                    }
                    return true;
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
            view.loadUrl(url);
            return false;
        }
    }
}