如何使用Android Kotlin在WebView内加载URL? [英] How to load an URL inside a WebView using Android Kotlin?

问题描述

我是Android和Kotlin的新手.

I am new to both Android and Kotlin.

任何人都可以帮助我在webView中加载URL吗?

Anyone can help me to load an URL in a webView?

我只想在应用程序打开时加载URL并查看网页.

I just want to load the URL and view the webpage when the app is open.

推荐答案

1.activity_main.xml

1.activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout 
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.kotlinwebview.MainActivity">


<WebView
    android:id="@+id/webview"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:ignore="MissingConstraints"
    tools:layout_editor_absoluteX="8dp"
    tools:layout_editor_absoluteY="8dp" />

2.MainActivity.kt

2.MainActivity.kt

class MainActivity : AppCompatActivity() {

    private lateinit var webView: WebView

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        webView = findViewById(R.id.webview)
        webView.webViewClient = object : WebViewClient() {
            override fun shouldOverrideUrlLoading(view: WebView?, url: String?): Boolean {
                view?.loadUrl(url)
                return true
            }
        }
        webView.loadUrl("https://www.google.co.in/")
    }
}

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