安卓WebView的使用 - ToB企服应用市场:ToB评测及商务社交产业平台

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;
public class MainActivity extends Activity{
private Context mContext;
private static MainActivity mMainActivity = null;
public MainActivity(Context context) {
this.mContext = context;
}
public static MainActivity getInstance(Context context){
if (mMainActivity == null) {
mMainActivity = new MainActivity(context);
}
return mMainActivity;
}
//Unity中会调用这个方法，从而开打WebView
public void StartWebView(String url,String label)
{
printLog("Welcome");
WebViewActivity.openUrl = url;
WebViewActivity.activityLabel = label;
Intent intent = new Intent(this.mContext,WebViewActivity.class);
this.mContext.startActivity(intent);
}
public boolean showToast(String content){
Toast.makeText(this.mContext,content,Toast.LENGTH_SHORT).show();
return true;
}
private void printLog(String s){
//Log.d("vivian",s);
showToast(s);
}
}

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import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.WebView;
import android.widget.Button;
public class WebViewActivity extends Activity {
public static String openUrl;//需要打开的链接
public static String activityLabel;//链接对应的Title,显示在WebView的标题栏
private WebView webView;
private Button close;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setTitle(activityLabel);//设置链接的Title
setContentView(R.layout.activity_webview);
webView = (WebView) findViewById(R.id.WebView);
webView.loadUrl(openUrl);
webView.getSettings().setJavaScriptEnabled(true);
webView.setWebViewClient(new WebViewClient());
close = (Button) findViewById(R.id.CloseButton);
close.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
WebViewActivity.this.finish();
}
});
}
private class WebViewClient extends android.webkit.WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
WebView.HitTestResult hit = view.getHitTestResult();
//hit.getExtra()为null或者hit.getType() == 0都表示即将加载的URL会发生重定向，需要做拦截处理
if (TextUtils.isEmpty(hit.getExtra()) || hit.getType() == 0) {
//通过判断开头协议就可解决大部分重定向问题了，有另外的需求可以在此判断下操作
Log.e("重定向", "重定向: " + hit.getType() + " && EXTRA（）" + hit.getExtra() + "------");
Log.e("重定向", "GetURL: " + view.getUrl() + "\n" +"getOriginalUrl()"+ view.getOriginalUrl());
Log.d("重定向", "URL: " + url);
}
if (url.startsWith("http://") || url.startsWith("https://")) {//加载的url是http/https协议地址
view.loadUrl(url);
return false; //返回false表示此url默认由系统处理,url未加载完成，会继续往下走
} else { //加载的url是自定义协议地址
try {
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
startActivity(intent);
} catch (Exception e) {
e.printStackTrace();
}
return true;
}
}
}
}

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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
</manifest>

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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="包名">
<application
android:usesCleartextTraffic="true">
<activity android:name=".MainActivity">
</activity>
<activity android:name=".WebViewActivity"
android:label="@string/activity_name">
</activity>
</application>
<uses-permission android:name="android.permission.INTERNET" />
</manifest>

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<WebView
android:id="@+id/WebView"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1.0"
/>
<Button
android:id="@+id/CloseButton"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:backgroundTint="#009688"
android:text="返回"
android:textColor="#FFFFFF"
android:textColorHint="#000000" />
</LinearLayout>

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<resources>
<string name="activity_name">B站</string>
</resources>

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-keep class 包名.MainActivity{public <methods>;}

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class SetWebViewUtils : MonoBehaviour
{
private AndroidJavaObject setWebViewUtils;
private string activityLabel;//安卓端Activity的Label，即打开的链接在WebView中的标题
// Start is called before the first frame update
void Start()
{
AndroidJavaClass UnityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
AndroidJavaObject currentActivity = UnityPlayer.GetStatic<AndroidJavaObject>("currentActivity");
AndroidJavaClass openAppUtilsClass = new AndroidJavaClass("包名.MainActivity");
setWebViewUtils = openAppUtilsClass.CallStatic<AndroidJavaObject>("getInstance", currentActivity);
}
//设置WebView的标题
public void SetTitle(string label)
{
activityLabel = label;
}
//打开WebView
public void SetWebView(string url)
{
setWebViewUtils.Call("StartWebView", url, activityLabel);
}
}

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