高密度屏幕的Android WebView错误
我有一个Android应用程序,它使用WebView呈现网页。在css中,对于高密度屏幕(如Nexus7 2013),我已经设置了显示两倍大的所有内容。如果我从浏览器中打开网页,所有内容都会显示出来。但当我运行这个应用程序时,一切都非常小 是否有任何方法可以确定为什么应用程序WebView显示低密度屏幕的内容,而浏览器(Chrome)显示它应该显示的内容高密度屏幕的Android WebView错误,android,android-webview,Android,Android Webview,我有一个Android应用程序,它使用WebView呈现网页。在css中,对于高密度屏幕(如Nexus7 2013),我已经设置了显示两倍大的所有内容。如果我从浏览器中打开网页,所有内容都会显示出来。但当我运行这个应用程序时,一切都非常小 是否有任何方法可以确定为什么应用程序WebView显示低密度屏幕的内容,而浏览器(Chrome)显示它应该显示的内容 设备:Nexus 7 2013我认为这篇文章应该有助于解释您需要做什么: // I used this class and my cod
设备:Nexus 7 2013我认为这篇文章应该有助于解释您需要做什么:
// I used this class and my code is working fime at my side please try this may be it will help you
public class WebViewActivity extends Activity {
private WebView webview;
private static final String TAG = "Main";
private ProgressDialog progressBar;
private TextView header_maintext;
private TextView headeroptiontext;
private RelativeLayout back;
private String url_string="http://www.google.com";
private String header_maintext_string="Your text";
/** Called when the activity is first created. */
@SuppressLint("SetJavaScriptEnabled") @Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.webview_layout);
webview = (WebView)findViewById(R.id.webview01);
header_maintext= (TextView)findViewById(R.id.header_maintext);
header_maintext.setText(header_maintext_string);
headeroptiontext = (TextView)findViewById(R.id.headeroptiontext);
headeroptiontext.setVisibility(View.GONE);
WebSettings settings = webview.getSettings();
settings.setJavaScriptEnabled(true);
webview.setScrollBarStyle(WebView.SCROLLBARS_OUTSIDE_OVERLAY);
webview.getSettings().setLoadWithOverviewMode(true);
webview.getSettings().setUseWideViewPort(true);
back = (RelativeLayout) findViewById(R.id.back_layout);
back.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0)
{
// TODO Auto-generated method stub
if(webview.canGoBack() == true)
{
webview.goBack();
}
else
{
finish();
}
}
});
final AlertDialog alertDialog = new AlertDialog.Builder(this).create();
progressBar = ProgressDialog.show(WebViewActivity.this, "My application", "Loading...");
webview.setWebViewClient(new WebViewClient() {
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
public void onPageFinished(WebView view, String url) {
Log.i(TAG, "Finished loading URL: " +url);
if (progressBar.isShowing()) {
progressBar.dismiss();
}
}
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
Toast.makeText(WebViewActivity.this, "Oh no! " + description, Toast.LENGTH_SHORT).show();
alertDialog.setTitle("Error");
alertDialog.setMessage(description);
alertDialog.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
return;
}
});
alertDialog.show();
}
});
webview.loadUrl(url_string);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if(event.getAction() == KeyEvent.ACTION_DOWN){
switch(keyCode)
{
case KeyEvent.KEYCODE_BACK:
if(webview.canGoBack() == true){
webview.goBack();
}else{
finish();
}
return true;
}
}
return super.onKeyDown(keyCode, event);
}
}
我怀疑Chrome和WebView之间的区别可以归结为应用于WebView的WebSettings