package com.chinaztt.fda.html5;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.provider.Browser;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.webkit.JsResult;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebSettings.RenderPriority;
import android.webkit.WebSettings.ZoomDensity;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.chinaztt.fda.application.FDApplication;
import com.chinaztt.fda.ui.R;
import com.chinaztt.fda.utils.StrUtils;
/**
* 当前类注释:WebView重写
* 项目名：FastDev4Android
* 包名：com.chinaztt.fda.html5
* 作者：江清清 on 15/11/06 08:59
* 邮箱：jiangqqlmj@163.com
* QQ： 781931404
* 公司：江苏中天科技软件技术有限公司
*/
public class HTML5CustomWebView extends WebView{
private Context mContext;
private Activity mActivity;
private MyWebChromeClient mWebChromeClient;
private View mCustomView;
private FrameLayout mCustomViewContainer;
private WebChromeClient.CustomViewCallback mCustomViewCallback;
private FrameLayout mContentView;
private FrameLayout mBrowserFrameLayout;
private FrameLayout frame_progress;
private FrameLayout mLayout;
private TextView webview_tv_progress;
private LinearLayout wv_imgbtn_back;
private boolean isRefresh = false; // 是否旋转
private String mTitle;
private String mUrl;
private TextView wv_tv_title;
private void init(Context context) {
mContext = context;
mLayout = new FrameLayout(context);
mBrowserFrameLayout = (FrameLayout) LayoutInflater.from(context)
.inflate(R.layout.common_custom_screen, null);
wv_imgbtn_back = (LinearLayout) mBrowserFrameLayout.findViewById(R.id.top_bar_linear_back);
wv_tv_title = (TextView) mBrowserFrameLayout.findViewById(R.id.top_bar_title);
mContentView = (FrameLayout) mBrowserFrameLayout
.findViewById(R.id.main_content);
mCustomViewContainer = (FrameLayout) mBrowserFrameLayout
.findViewById(R.id.fullscreen_custom_content);
frame_progress = (FrameLayout) mBrowserFrameLayout
.findViewById(R.id.frame_progress);
webview_tv_progress = (TextView) frame_progress
.findViewById(R.id.webview_tv_progress);
final FrameLayout.LayoutParams COVER_SCREEN_PARAMS = new FrameLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.MATCH_PARENT, Gravity.CENTER);
mLayout.addView(mBrowserFrameLayout, COVER_SCREEN_PARAMS);
mWebChromeClient = new MyWebChromeClient();
setWebChromeClient(mWebChromeClient);
setWebViewClient(new MyWebViewClient());
WebSettings webSettings = this.getSettings();
webSettings.setJavaScriptEnabled(true); //开启javascript
webSettings.setDomStorageEnabled(true); //开启DOM
webSettings.setDefaultTextEncodingName("utf-8"); //设置编码
// // web页面处理
webSettings.setAllowFileAccess(true);// 支持文件流
// webSettings.setSupportZoom(true);// 支持缩放
// webSettings.setBuiltInZoomControls(true);// 支持缩放
webSettings.setUseWideViewPort(true);// 调整到适合webview大小
webSettings.setLoadWithOverviewMode(true);// 调整到适合webview大小
webSettings.setDefaultZoom(ZoomDensity.FAR);// 屏幕自适应网页,如果没有这个，在低分辨率的手机上显示可能会异常
webSettings.setRenderPriority(RenderPriority.HIGH);
//提高网页加载速度，暂时阻塞图片加载，然后网页加载好了，在进行加载图片
webSettings.setBlockNetworkImage(true);
//开启缓存机制
webSettings.setAppCacheEnabled(true);
//根据当前网页连接状态
if(StrUtils.getAPNType(context)== StrUtils.WIFI){
//设置无缓存
webSettings.setCacheMode(WebSettings.LOAD_DEFAULT);
}else{
//设置缓存
webSettings.setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
}
mContentView.addView(this);
// 返回
wv_imgbtn_back.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
closeAdWebPage();
}
});
}
public HTML5CustomWebView(Context context,Activity activity,String pTitle,String pUrl) {
super(context);
mActivity = activity;
this.mTitle=pTitle;
this.mUrl=pUrl;
init(context);
}
public HTML5CustomWebView(Context context, Activity activity) {
super(context);
mActivity = activity;
init(context);
}
public HTML5CustomWebView(Context context, AttributeSet attrs) {
super(context, attrs);
init(context);
}
public HTML5CustomWebView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(context);
}
public FrameLayout getLayout() {
return mLayout;
}
public boolean inCustomView() {
return (mCustomView != null);
}
public void doDestroy() {
clearView();
freeMemory();
destroy();
}
/**
* 释放WebView
*/
public void releaseCustomview() {
if (mWebChromeClient != null) {
mWebChromeClient.onHideCustomView();
}
stopLoading();
}
/**
* 关闭该web页面
*/
public void closeAdWebPage() {
if(HTML5CustomWebView.this.canGoBack()){
HTML5CustomWebView.this.goBack();
return;
}
this.stopLoading();
freeMemory();
mActivity.finish();
mActivity.overridePendingTransition(R.anim.move_pop_in,
R.anim.move_pop_out);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
if (HTML5CustomWebView.this.canGoBack()) {
HTML5CustomWebView.this.goBack();
return true;
}
}
return super.onKeyDown(keyCode, event);
}
private class MyWebChromeClient extends WebChromeClient {
private Bitmap mDefaultVideoPoster;
@Override
public void onShowCustomView(View view,
CustomViewCallback callback) {
super.onShowCustomView(view, callback);
HTML5CustomWebView.this.setVisibility(View.GONE);
if (mCustomView != null) {
callback.onCustomViewHidden();
return;
}
mCustomViewContainer.addView(view);
mCustomView = view;
mCustomViewCallback = callback;
mCustomViewContainer.setVisibility(View.VISIBLE);
}
@Override
public void onHideCustomView() {
if (mCustomView == null) {
return;
}
mCustomView.setVisibility(View.GONE);
mCustomViewContainer.removeView(mCustomView);
mCustomView = null;
mCustomViewContainer.setVisibility(View.GONE);
mCustomViewCallback.onCustomViewHidden();
HTML5CustomWebView.this.setVisibility(View.VISIBLE);
super.onHideCustomView();
}
/**
* 网页加载标题回调
* @param view
* @param title
*/
@Override
public void onReceivedTitle(WebView view, String title) {
Log.d("zttjiangqq", "当前网页标题为:" + title);
wv_tv_title.setText(title);
}
/**
* 网页加载进度回调
* @param view
* @param newProgress
*/
@Override
public void onProgressChanged(WebView view, int newProgress) {
// 设置进行进度
((Activity) mContext).getWindow().setFeatureInt(
Window.FEATURE_PROGRESS, newProgress * 100);
webview_tv_progress.setText("正在加载,已完成" + newProgress + "%...");
webview_tv_progress.postInvalidate(); // 刷新UI
Log.d("zttjiangqq", "进度为:" + newProgress);
}
@Override
public boolean onJsAlert(WebView view, String url, String message,
JsResult result) {
return super.onJsAlert(view, url, message, result);
}
}
private class MyWebViewClient extends WebViewClient {
/**
* 加载过程中 拦截加载的地址url
* @param view
* @param url 被拦截的url
* @return
*/
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
Log.i("zttjiangqq", "-------->shouldOverrideUrlLoading url:" + url);
//这边因为考虑到之前项目的问题，这边拦截的url过滤掉了zttmall://开头的地址
//在其他项目中 大家可以根据实际情况选择不拦截任何地址，或者有选择性拦截
if(!url.startsWith("zttmall://")){
Uri mUri = Uri.parse(url);
List<String> browerList = new ArrayList<String>();
browerList.add("http");
browerList.add("https");
browerList.add("about");
browerList.add("javascript");
if (browerList.contains(mUri.getScheme())) {
return false;
} else {
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
intent.addCategory(Intent.CATEGORY_BROWSABLE);
//如果另外的应用程序WebView，我们可以进行重用
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.putExtra(Browser.EXTRA_APPLICATION_ID,
FDApplication.getInstance()
.getApplicationContext().getPackageName());
try {
FDApplication.getInstance().startActivity(intent);
return true;
} catch (ActivityNotFoundException ex) {
}
}
return false;
}else {
return true;
}
}
/**
* 页面加载过程中，加载资源回调的方法
* @param view
* @param url
*/
@Override
public void onLoadResource(WebView view, String url) {
super.onLoadResource(view, url);
Log.i("zttjiangqq", "-------->onLoadResource url:" + url);
}
/**
* 页面加载完成回调的方法
* @param view
* @param url
*/
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
Log.i("zttjiangqq", "-------->onPageFinished url:" + url);
if (isRefresh) {
isRefresh = false;
}
// 加载完成隐藏进度界面,显示WebView内容
frame_progress.setVisibility(View.GONE);
mContentView.setVisibility(View.VISIBLE);
// 关闭图片加载阻塞
view.getSettings().setBlockNetworkImage(false);
}
/**
* 页面开始加载调用的方法
* @param view
* @param url
* @param favicon
*/
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
Log.d("zttjiangqq", "onPageStarted:-----------"+url);
super.onPageStarted(view, url, favicon);
}
@Override
public void onReceivedError(WebView view, int errorCode,
String description, String failingUrl) {
super.onReceivedError(view, errorCode, description, failingUrl);
}
@Override
public void onScaleChanged(WebView view, float oldScale, float newScale) {
super.onScaleChanged(view, oldScale, newScale);
HTML5CustomWebView.this.requestFocus();
HTML5CustomWebView.this.requestFocusFromTouch();
}
}
}