android + (kakao Javascript SDK)하이브리드앱 예제 - 카카오톡 링크

MainActivity.kt

 

://kakaolink" 형식의 앱 실행 처리

package com.googsu.myapplication

import android.content.Intent
import android.os.Bundle
import android.os.Handler
import android.os.Looper
import android.os.Message
import android.util.Log
import android.webkit.WebChromeClient
import android.webkit.WebResourceRequest
import android.webkit.WebView
import android.webkit.WebViewClient
import android.widget.FrameLayout
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import com.google.android.gms.tasks.OnCompleteListener
import com.google.firebase.messaging.FirebaseMessaging
import kotlinx.android.synthetic.main.activity_main.*
import java.net.URISyntaxException


class MainActivity : AppCompatActivity() {

    private var doubleBackToExitPressedOnce = false
    private lateinit var webView: WebView
    private lateinit var webViewLayout: FrameLayout
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        webView = findViewById(R.id.webview)
        webViewLayout = findViewById(R.id.webview_frame);

        webView.settings.run {
            javaScriptEnabled = true
            domStorageEnabled = true
            javaScriptCanOpenWindowsAutomatically = true
            setSupportMultipleWindows(true)
        }

        webView.webViewClient = object: WebViewClient() {

            override fun shouldOverrideUrlLoading(view: WebView, request: WebResourceRequest): Boolean {
                Log.d("TAG url", request.url.toString())
                Log.d("TAG scheme", request.url.scheme.toString())
                if (request.url.scheme == "https") {
                    //webView.loadUrl(request.url.toString())
                }

                if (request.url.scheme == "intent") {
                    try {
                        Log.d("TAG scheme", intent.getPackage().toString())
                        val intent = Intent.parseUri(request.url.toString(), Intent.URI_INTENT_SCHEME)
                        // 실행 가능한 앱이 있으면 앱 실행
                        if (intent.resolveActivity(packageManager) != null) {
                            startActivity(intent)
                            Log.d("TAG", "ACTIVITY: ${intent.`package`}")
                            return true
                        }

                        // Fallback URL이 있으면 현재 웹뷰에 로딩
                        val fallbackUrl = intent.getStringExtra("browser_fallback_url")
                        if (fallbackUrl != null) {
                            view.loadUrl(fallbackUrl)
                            Log.d("TAG FALLBACK", "FALLBACK: $fallbackUrl")
                            return true
                        }

                        Log.e("TAG", "Could not parse anythings")

                    } catch (e: URISyntaxException) {
                        Log.e("TAG", "Invalid intent request", e)
                    }
                }

                // 나머지 서비스 로직 구현


                Log.d("TAG", "return false")
                return false
            }
        }

		webView.loadUrl("https://www.googsu.com/kakao_talk_message.html")

    }

}

 

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.googsu.myapplication">
    <uses-permission android:name="android.permission.INTERNET" />
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_googsu"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_googsu_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.MyApplication">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />

                <!-- "kakao{YOUR_NATIVE_APP_KEY}://kakaolink" 형식의 앱 실행 스킴을 설정하는데 사용 -->
                <data android:host="kakaolink"
                    android:scheme="kakaoc99999999999999a071901a19a2d86" />
            </intent-filter>
        </activity>
    </application>

</manifest>