<?xml version="1.0" encoding="utf-8"?> <WebView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/webview" android:layout_width="fill_parent" android:layout_height="fill_parent" />
package com.irunker.visant; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.annotation.SuppressLint; import android.view.KeyEvent; import android.webkit.WebSettings; import android.webkit.WebView; import android.webkit.WebViewClient; @SuppressLint("SetJavaScriptEnabled") public class main extends AppCompatActivity { private WebView myWebView = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_web); // 打开网页 myWebView = (WebView) findViewById(R.id.webview); myWebView.loadUrl("http://www.poyiba.com/"); //设置可自由缩放网页、JS生效 WebSettings webSettings = myWebView.getSettings(); webSettings.setJavaScriptEnabled(true); webSettings.setSupportZoom(true); webSettings.setBuiltInZoomControls(true); // 修改默认在WebView中打开链接 myWebView.setWebViewClient(new WebViewClient()); } // 按键响应,在WebView中查看网页时,按返回键的时候按浏览历史退回,如果不做此项处理则整个WebView返回退出 @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if ((keyCode == KeyEvent.KEYCODE_BACK) && myWebView.canGoBack()) { // 返回键退回 myWebView.goBack(); return true; } return super.onKeyDown(keyCode, event); } }
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.irunker.visant"> <uses-permission android:name="android.permission.INTERNET" /> <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:roundIcon="@mipmap/ic_launcher_round" android:supportsRtl="true" android:theme="@style/AppTheme"> <activity android:name=".main"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest>
<resources> <!-- Base application theme. --> <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar"> <!-- Customize your theme here. --> <item name="colorPrimary">@color/colorPrimary</item> <item name="colorPrimaryDark">@color/colorPrimaryDark</item> <item name="colorAccent">@color/colorAccent</item> </style> </resources>
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