Android kotlin 简洁易用的 Android web库 – AgentWeb

一、AgentWeb介绍

AgentWeb 是一个基于的 Android WebView ，极度容易使用以及功能强大的库，提供了 Android WebView 一系列的问题解决方案 ，并且轻量和极度灵活

二、AgentWeb 功能

1. 支持进度条以及自定义进度条
2. 支持文件下载
3. 支持文件断点续传
4. 支持下载通知形式提示进度
5. 简化 Javascript 通信
6. 支持返回事件处理
7. 支持注入 Cookies
8. WebView 安全
   

三、AgentWeb与WebView对比：

四、简单的AgentWeb的使用

1、简单的AgentWeb的使用

2、项目：

标题栏与web页面activity_web.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    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:id="@+id/container"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.example.myapplication3.sample.activity.WebActivity">

    <androidx.appcompat.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?android:actionBarSize"
        android:background="?attr/colorPrimary"
        android:titleTextColor="@android:color/white"
        app:theme="@style/toolBar"
        app:titleTextColor="@android:color/white">

        <TextView
            android:id="@+id/toolbar_title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:singleLine="true"
            android:textColor="@android:color/white"
            android:textSize="14sp"/>
    </androidx.appcompat.widget.Toolbar>
</LinearLayout>

BaseWebActivity.java

public class BaseWebActivity extends AppCompatActivity {
    protected AgentWeb mAgentWeb;
    private LinearLayout mLinearLayout;
    private Toolbar mToolbar;
    private TextView mTitleTextView;
    private AlertDialog mAlertDialog;
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_web);


        mLinearLayout = (LinearLayout) this.findViewById(R.id.container);
        mToolbar = (Toolbar) this.findViewById(R.id.toolbar);
        mToolbar.setTitleTextColor(Color.WHITE);
        mToolbar.setTitle("");
        mTitleTextView = (TextView) this.findViewById(R.id.toolbar_title);
        this.setSupportActionBar(mToolbar);
        if (getSupportActionBar() != null) {
            // Enable the Up button
            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        }
        mToolbar.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                showDialog();
            }
        });


        long p = System.currentTimeMillis();

        mAgentWeb = AgentWeb.with(this)
                .setAgentWebParent(mLinearLayout, new LinearLayout.LayoutParams(-1, -1))
                .useDefaultIndicator()
                .setWebChromeClient(mWebChromeClient)
                .setWebViewClient(mWebViewClient)
                .setMainFrameErrorView(com.just.agentweb.R.layout.agentweb_error_page, -1)
                .setSecurityType(AgentWeb.SecurityType.STRICT_CHECK)
                .setWebLayout(new WebLayout(this))
                .setOpenOtherPageWays(DefaultWebClient.OpenOtherPageWays.ASK)//打开其他应用时，弹窗咨询用户是否前往其他应用
                .interceptUnkownUrl() //拦截找不到相关页面的Scheme
                .createAgentWeb()
                .ready()
                .go(getUrl());

        //mAgentWeb.getUrlLoader().loadUrl(getUrl());

        long n = System.currentTimeMillis();
        Log.i("Info", "init used time:" + (n - p));


    }

    private WebViewClient mWebViewClient = new WebViewClient() {
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
            return super.shouldOverrideUrlLoading(view, request);
        }

        @Override
        public void onPageStarted(WebView view, String url, Bitmap favicon) {
            //do you  work
            Log.i("Info", "BaseWebActivity onPageStarted");
        }
    };
    private WebChromeClient mWebChromeClient = new WebChromeClient() {
        @Override
        public void onReceivedTitle(WebView view, String title) {
            super.onReceivedTitle(view, title);
            if (mTitleTextView != null) {
                mTitleTextView.setText(title);
            }
        }
    };

    public String getUrl() {
        return "https://m.jd.com/";
    }


    private void showDialog() {

        if (mAlertDialog == null) {
            mAlertDialog = new AlertDialog.Builder(this)
                    .setMessage("您确定要关闭该页面吗?")
                    .setNegativeButton("再逛逛", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            if (mAlertDialog != null) {
                                mAlertDialog.dismiss();
                            }
                        }
                    })//
                    .setPositiveButton("确定", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {

                            if (mAlertDialog != null) {
                                mAlertDialog.dismiss();
                            }
                            BaseWebActivity.this.finish();
                        }
                    }).create();
        }
        mAlertDialog.show();

    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {

        if (mAgentWeb.handleKeyEvent(keyCode, event)) {
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }

    @Override
    protected void onPause() {
        mAgentWeb.getWebLifeCycle().onPause();
        super.onPause();

    }

    @Override
    protected void onResume() {
        mAgentWeb.getWebLifeCycle().onResume();
        super.onResume();
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {

        Log.i("Info", "onResult:" + requestCode + " onResult:" + resultCode);
        super.onActivityResult(requestCode, resultCode, data);
    }


    @Override
    protected void onDestroy() {
        super.onDestroy();
        //mAgentWeb.destroy();
        mAgentWeb.getWebLifeCycle().onDestroy();
    }
}

WebLayout.java

public class WebLayout implements IWebLayout {

    private Activity mActivity;
    private final TwinklingRefreshLayout mTwinklingRefreshLayout;
    private WebView mWebView = null;

    public WebLayout(Activity activity) {
        this.mActivity = activity;
        mTwinklingRefreshLayout = (TwinklingRefreshLayout) LayoutInflater.from(activity).inflate(R.layout.fragment_twk_web, null);
        mTwinklingRefreshLayout.setPureScrollModeOn();
        mWebView = (WebView) mTwinklingRefreshLayout.findViewById(R.id.webView);
    }

    @NonNull
    @Override
    public ViewGroup getLayout() {
        return mTwinklingRefreshLayout;
    }

    @Nullable
    @Override
    public WebView getWebView() {
        return mWebView;
    }
}

fragment_twk_web.xml

<?xml version="1.0" encoding="utf-8"?>
<com.lcodecore.tkrefreshlayout.TwinklingRefreshLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/refreshLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@android:color/transparent"
    app:tr_pureScrollMode_on="true">

    <WebView
        android:id="@+id/webView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#fff"
        android:visibility="visible"
        android:overScrollMode="never"/>
</com.lcodecore.tkrefreshlayout.TwinklingRefreshLayout>

WebActivity.kt

class WebActivity : BaseWebActivity(){
    override fun getUrl(): String? {
        return super.getUrl()
    }

    override fun onStart() {
        super.onStart()
    }

    override fun onResume() {
        super.onResume()

        //测试Cookies
        /*try {

            String targetUrl="";
            Log.i("Info","cookies:"+ AgentWebConfig.getCookiesByUrl(targetUrl="http://www.jd.com"));
            AgentWebConfig.removeAllCookies(new ValueCallback<Boolean>() {
                @Override
                public void onReceiveValue(Boolean value) {
                    Log.i("Info","onResume():"+value);
                }
            });

            String tagInfo=AgentWebConfig.getCookiesByUrl(targetUrl);
            Log.i("Info","tag:"+tagInfo);
            AgentWebConfig.syncCookie("http://www.jd.com","ID=IDHl3NVU0N3ltZm9OWHhubHVQZW1BRThLdGhLaFc5TnVtQWd1S2g1REcwNVhTS3RXQVFBQEBFDA984906B62C444931EA0");
            String tag=AgentWebConfig.getCookiesByUrl(targetUrl);
            Log.i("Info","tag:"+tag);
            AgentWebConfig.removeSessionCookies();
            Log.i("Info","removeSessionCookies:"+AgentWebConfig.getCookiesByUrl(targetUrl));
        }  catch (Exception e){
            e.printStackTrace();
        }*/
    }
}

MainActivity.kt

val intent= Intent(this, WebActivity::class.java)

引入依赖包：

	implementation 'com.just.agentweb:agentweb-androidx:4.1.4'
    implementation 'com.lcodecorex:tkrefreshlayout:1.0.7'

引入权限：

	<uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

代码007普通

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