【发布时间】:2016-12-06 07:35:39
【问题描述】:
我需要在我的应用程序中打开该网站,但它仅加载在 Android 4.4 及更高版本的设备上。但我需要打开站点并使用旧版本的设备。我尝试连接 HTML5,但似乎在某处出错。
该网站包含 HTML5 和 JS 代码。这是我的 Activiti 的示例
WebView web;
ProgressBar progressBar;
@SuppressLint("SetJavaScriptEnabled")
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.web);
setView();
initToolbar();
web = (WebView) findViewById(R.id.webview);
progressBar = (ProgressBar) findViewById(R.id.progressBar);
progressBar.setMax(100);
progressBar.setProgress(0);
web.setWebChromeClient(new myWebChromeClient());
web.setWebViewClient(new myWebClient());
web.getSettings().setJavaScriptEnabled(true);
web.getSettings().setDisplayZoomControls(true);
web.getSettings().setLoadWithOverviewMode(true);
web.getSettings().setUseWideViewPort(true);
web.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
web.getSettings().setPluginState(WebSettings.PluginState.ON);
enableHTML5AppCache();
web.loadUrl("https://mobile.akbars.ru");
}
private void enableHTML5AppCache() {
web.getSettings().setDomStorageEnabled(true);
// Set cache size to 8 mb by default. should be more than enough
web.getSettings().setAppCacheMaxSize(1024*1024*8);
web.getSettings().setAppCachePath("/data/data/"+ getPackageName() +"/cache");
web.getSettings().setAllowFileAccess(true);
web.getSettings().setAppCacheEnabled(true);
web.getSettings().setCacheMode(WebSettings.LOAD_DEFAULT);
}
public void setValue(int progress) {
this.progressBar.setProgress(progress);
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
Log.d("ACTIVTTY", "change rotation");
}
public class myWebClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
// TODO Auto-generated method stub
progressBar.setVisibility(View.VISIBLE);
view.loadUrl(url);
return true;
}
/*@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
// TODO Auto-generated method stub
super.onPageStarted(view, url, favicon);
progressBar.setVisibility(View.VISIBLE);
}*/
/*@Override
public void onPageFinished(WebView view, String url) {
// TODO Auto-generated method stub
super.onPageFinished(view, url);
progressBar.setVisibility(View.GONE);
}*/
}
public class myWebChromeClient extends WebChromeClient {
@Override
public void onProgressChanged(WebView view, int newProgress) {
WebViewActivity.this.setValue(newProgress);
super.onProgressChanged(view, newProgress);
}
}
// To handle "Back" key press event for WebView to go back to previous screen.
@Override
public boolean onKeyDown(int keyCode, KeyEvent event)
{
if ((keyCode == KeyEvent.KEYCODE_BACK) && web.canGoBack()) {
web.goBack();
return true;
}
return super.onKeyDown(keyCode, event);
}
在 Android 5.0 及更高版本中,此站点可以在默认浏览器中打开,但在早期版本的 Android 中,它只能在 google chrome 中打开。
有没有办法在我的 webview 中继承 Google Chrome?
或者有什么其他的想法来打开这个网站?
【问题讨论】:
标签: javascript android html web webview