android WebView加载H5去地址栏的两种方式

android WebView加载H5去地址栏的两种方式，先上图

四个布局文件：

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    android:padding="30dp">


    <Button
        android:id="@+id/btn_normal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="正常加载未处理的WebView" />

    <Button
        android:id="@+id/btn_noTitle"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/btn_normal"
        android:layout_marginTop="10dp"
        android:text="去除标题的WebView" />

    <Button
        android:id="@+id/btn_noTitle2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/btn_noTitle"
        android:layout_marginTop="10dp"
        android:text="去除标题的2" />


</RelativeLayout>

activity_second.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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.dr.dr_webview.SecondActivity">

<WebView
    android:id="@+id/webview"
    android:layout_width="match_parent"
    android:layout_height="match_parent"></WebView>

</RelativeLayout>

activity_no_title.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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.dr.dr_webview.SecondActivity">

    <WebView
        android:id="@+id/webview"
        android:layout_width="match_parent"
        android:layout_height="match_parent"></WebView>

</RelativeLayout>

activity_no_title2.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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.dr.dr_webview.SecondActivity">

    <WebView
        android:id="@+id/webview"
        android:layout_width="match_parent"
        android:layout_height="match_parent"></WebView>

</RelativeLayout>

四个java文件

MainActivity.class

package com.dr.dr_webview;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


        Button btn_normal = (Button) findViewById(R.id.btn_normal);
        Button btn_noTitle = (Button) findViewById(R.id.btn_noTitle);
        Button btn_noTitle2 = (Button) findViewById(R.id.btn_noTitle2);

        btn_normal.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MainActivity.this,SecondActivity.class);
                startActivity(intent);
            }
        });

        btn_noTitle.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MainActivity.this,NoTitleActivity.class);
                startActivity(intent);
            }
        });

        btn_noTitle2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MainActivity.this,NoTitleActivity2.class);
                startActivity(intent);
            }
        });


    }
}

SecondAcitivty.class

package com.dr.dr_webview;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.webkit.WebSettings;
import android.webkit.WebView;

public class SecondActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_second);

        WebView webView = (WebView) findViewById(R.id.webview);
        WebSettings webSettings = webView.getSettings();
        webSettings.setJavaScriptEnabled(true);
        webSettings.setUseWideViewPort(true);
        webSettings.setLoadWithOverviewMode(true);

        webView.loadUrl("http://www.baidu.com");
    }
}

NoTitleActivity.class

package com.dr.dr_webview;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;

public class NoTitleActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_no_title);

        WebView webView = (WebView) findViewById(R.id.webview);
        WebSettings webSettings = webView.getSettings();
        webSettings.setJavaScriptEnabled(true);
        webSettings.setUseWideViewPort(true);
        webSettings.setLoadWithOverviewMode(true);

       webView.loadUrl("http://www.baidu.com");

        webView.setWebViewClient(new WebViewClient() {
            @Override
            public void onPageFinished(WebView view, String url) {
                super.onPageFinished(view, url);


                //编写 javaScript方法
               /* String javascript = "javascript:function hideOther() {" +
                        "document.getElementsByTagName('body')[0].innerHTML;" +
                        "document.getElementsByTagName('div')[0].style.display='none';" +
                        "document.getElementsByTagName('div')[3].style.display='none';" +
                        "document.getElementsByClassName('dropdown')[0].style.display='none';" +
                        "document.getElementsByClassName('min')[0].remove();" +
                        "var divs = document.getElementsByTagName('div');" +
                        "var lastDiv = divs[divs.length-1];" +
                        "lastDiv.remove();" +
                        "document.getElementsByClassName('showme')[0].remove();" +
                        "document.getElementsByClassName('nei-t3')[1].remove();}";*/

                String javascript = "javascript:function hideOther() {" +
                        "document.getElementsByTagName('body')[0].innerHTML;" +
                        "document.getElementsByTagName('div')[0].style.display='none';" +
                        "document.getElementsByTagName('div')[3].style.display='none';" +
                        "document.getElementsByClassName('dropdown')[0].style.display='none';" +
                        "document.getElementsByClassName('min')[0].remove();" +
                        "var divs = document.getElementsByTagName('div');" +
                        "var lastDiv = divs[divs.length-1];" +
                        "lastDiv.remove();" +
                        "document.getElementsByClassName('showme')[0].remove();" //+
                      //  "document.getElementsByClassName('nei-t3')[1].remove();}"
                        ;

                //创建方法
                view.loadUrl(javascript);

                //加载方法
                view.loadUrl("javascript:hideOther();");
            }
        });
    }
}

NoTitleActivity2.class

package com.dr.dr_webview;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;

public class NoTitleActivity2 extends AppCompatActivity {
    String url;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_no_title2);

        WebView mWebView = (WebView) findViewById(R.id.webview);
        url = "http://www.baidu.com";

        WebSettings setting = mWebView.getSettings();
        setting.setJavaScriptEnabled(true);//让webview支持javascript
        setting.setDefaultTextEncodingName("utf-8");//设置字符集
        //setting.setBlockNetworkImage(true);//设置不能访问网络图片

        // setting.setSupportZoom(true);//开启网页的缩放
        // setting.setBuiltInZoomControls(true);

        setting.setLoadWithOverviewMode(true);//设置网页缩放至手机大小
        setting.setUseWideViewPort(true);

        mWebView.getSettings().setJavaScriptEnabled(true);//让webview支持javascript
        mWebView.setWebChromeClient(new WebChromeClient());//支持特殊javascript


        mWebView.loadUrl(url);

        mWebView.setWebViewClient(new MyWebViewClient());


    }


    private class MyWebViewClient extends WebViewClient {
        @Override
        // 在WebView中而不在默认浏览器中显示页面
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            view.loadUrl(url);
            return true;
        }

    }
}

源码下载：

http://download.****.net/download/qq_31939617/9997944