Android/webview/js有効
提供: 初心者エンジニアの簡易メモ
MainActivity.java
import android.os.Build;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
WebView webview = new WebView(this);
webview = (WebView)this.findViewById(R.id.webview1);
webview.setWebViewClient(new WebViewClient());
WebSettings setting = webview.getSettings();
setting.setJavaScriptEnabled(true);
webview.loadUrl("file:///android_asset/index.html");
}
}
- src/main/res/layout/activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<WebView
android:id="@+id/webview1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
/>
</LinearLayout>
</android.support.constraint.ConstraintLayout>
- src/main/assets/index.html
<!DOCTYPE html PUBLIC
"-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script language="javascript">
function sum() {
document.forms.form1.text1.value = 1 + 2;
}
</script>
</head>
<body>
<form id="form1">
<input type="button" onclick="sum()" value="sum"/>
<input id="text1" type="text"/>
</form>
</body>
</html>
