public class ProgressWebView extends WebView {
private ProgressBar progressbar;
public ProgressWebView(Context context, AttributeSet attrs) {
super(context, attrs);
progressbar = new ProgressBar(context, null, android.R.attr.progressBarStyleHorizontal);
progressbar.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, 3, 0, 0));
addView(progressbar);
setWebChromeClient(new WebChromeClient());
setWebViewClient(new WebViewClient(){
public boolean shouldOverrideUrlLoading(WebView view, String url){ // 重写此方法表明点击网页里面的链接还是在当前的webview里跳转，不跳到浏览器那边
view.loadUrl(url);
return true;
}
});
}
public class WebChromeClient extends android.webkit.WebChromeClient {
@Override
public void onProgressChanged(WebView view, int newProgress) {
if (newProgress == 100) {
progressbar.setVisibility(GONE);
} else {
if (progressbar.getVisibility() == GONE)
progressbar.setVisibility(VISIBLE);
progressbar.setProgress(newProgress);
}
super.onProgressChanged(view, newProgress);
}
}
@Override
protected void onScrollChanged(int l, int t, int oldl, int oldt) {
LayoutParams lp = (LayoutParams) progressbar.getLayoutParams();
lp.x = l;
lp.y = t;
progressbar.setLayoutParams(lp);
super.onScrollChanged(l, t, oldl, oldt);
}
}
public class WebActivity extends Activity implements OnClickListener{
private ProgressWebView web;
private RelativeLayout bar;
private TextView txt;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity2_web);
//顶部栏
bar=(RelativeLayout) findViewById(R.id.a2_w_bar);
bar.setOnClickListener(this);
txt=(TextView) findViewById(R.id.a2_w_title);
//webview
web=(ProgressWebView) findViewById(R.id.web_window);
WebSettings webSettings = web.getSettings();
//设置WebView属性，能够执行Javascript脚本
webSettings.setJavaScriptEnabled(true);
//设置可以访问文件
webSettings.setAllowFileAccess(true);
//设置支持缩放
webSettings.setBuiltInZoomControls(true);
//自适应屏幕
webSettings.setUseWideViewPort(true);
webSettings.setLoadWithOverviewMode(true);
webSettings.setBuiltInZoomControls(false);
web.setDownloadListener(new DownloadListener() {
@Override
public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
if (url != null && url.startsWith("http://"))
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
}
});
//接收url
if("-1".equals(getIntent().getStringExtra("flag"))){
String url=getIntent().getStringExtra("url").replaceAll("amp;","");
String title=getIntent().getStringExtra("title");
txt.setText(title);
web.loadUrl(url);
}else if("0".equals(getIntent().getStringExtra("flag"))){
String url=getIntent().getStringExtra("url").replaceAll("amp;","");
String postData =getIntent().getStringExtra("parms");
txt.setText("我的体检表");
web.setWebViewClient(new WebViewClient(){
@Override
public void onLoadResource(WebView view, String url) {
super.onLoadResource(view, url);
view.loadUrl("javascript:function setHide(){$('.am-breadcrumb').hide();$('header').hide();$('footer').hide();}setHide();");
}
});
web.postUrl(url,EncodingUtils.getBytes(postData, "BASE64"));
}else if("1".equals(getIntent().getStringExtra("flag"))){
txt.setText(getIntent().getStringExtra("title"));
String url=getIntent().getStringExtra("url").replaceAll("amp;","");
String getdata ="unique="+SharedPreferencesUtil.getInstance().getUserName(WebActivity.this)+"&type=1";
web.loadUrl(url+"?"+getdata);
}
}
@Override
// 设置回退
// 覆盖Activity类的onKeyDown(int keyCoder,KeyEvent event)方法
public boolean onKeyDown(int keyCode, KeyEvent event) {
if ((keyCode == KeyEvent.KEYCODE_BACK) && web.canGoBack()) {
web.goBack(); // goBack()表示返回WebView的上一页面
return true;
}
return super.onKeyDown(keyCode,event);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.a2_w_bar:
finish();
break;
// case R.id.a2_w_bar:
// break;
}
}
}