Android :: Set Fix Zoom Level / Scale Back In Webview?

Sep 1, 2010

Zoom works without any problem, but if I select any input field the webview zooms in automatically.

How do I can prevent this zoom behavior?

set fix zoom level?
scale back to previous zoom level?

Android :: Set fix zoom level / scale back in webview?


Android Webview - After Changing Scale To 1.5 It Reverting Back?

Apr 26, 2014

I wrote a sample application which displays some test message using webview .The Application has two activities, one activity simply contains a button, when user click on this button , it launch another activity which display the test message on a webview .

I have set setInitialScale() of webview as 150, Now the issue is like, Normally webvbiew displays the content with the scale size 150 (as I set ) but some times it displays the contents with a scale greater than 150.

I overrided the onScaleChanged() function in webViewClient.

In normal case before drawing the content on webview I am getting onScaleChanged() callback ,with the value oldscale as 2 and new scale as 1.5. When issue occurs , I am getting two onScaleChanged() callbacks before drawing the content!!! ,at first I get the onScalechange() callback with oldscale as 2 and new scale as 1.5 , after that getting another onScaleChanged() callback with oldscale as 1.5 and new scale as 2.0 and hence it draws the webview with the scale 2.0 irrespective of setInitialScale() I have given in my application.

This issue happens only in the case if I set setInitialScale() to a value less than device's default webview scale. As per my understanding ,Every device has its own default Scale for webview based on their display property like .075 for ldpi and 1.5 for hdpi etc )

In my device defaultScale for webview is 2, and I set the setInitialScale() as 1.5(150)

normaly webview reset the scale from 2 to 1.5 before draw ( That is from defult to new value ) and it works fine
But some time after changing the scale to 1.5 it reverting back to 2. and issue occurs

public class webActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
[Code].....

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Android :: Set Scale Limits On Pinch Zoom?

Sep 28, 2010

How to set Max and Min zoom levels for Pinch-Zoom?

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Android :: Scale Map Markers By Zoom Factor?

Aug 19, 2010

I have lot of markers on my map. Zooming in each marker shows me a position. but zooming out the markers are overlapping each other and it is more difficult do determine the position of a marker.

Is there a way to scale the marker image depending on the zoom factor?

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Android :: ImageView Pinch Zoom Scale Limits / Pan Bounds

Oct 7, 2010

I wanted to create an gallery with images.The images within the gallery should be zoomable and pannable. I could able to pinch-zoom an image but could not able to set zoom limitand prevent the image from being panned off the screen. I used the following code to zoom an image:http://code.google.com/p/4chan-image browser/source/browse/src/se/robertfoss/MultiTouch/TouchImageView.javaspec=svnd3e623ddeb6f9e97d9eba2c7aaa7c4567a3822b5&r=d3e623ddeb6f9e97d9eba2c7aaa7c4567a3822b5 First approach : I used TouchImageView to supply images to gallery, this allows me to pinch zoom but can't scroll the gallery. i.e I cant differentiate between 'single tab event' and 'tab to scroll event'

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Android :: Tell A (droid) WebView To Start Off At Custom Scale?

Jun 18, 2010

I'm trying to tell a WebView to scale the page down to a certain percent. I've tried using setInitialScale() as that seems to be exactly what I want, but it seemed to have no effect.

Am I just missing something obvious?

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Android :: Set Minimum Zoom Level For MapView

Nov 10, 2010

Is there a way i can set a minimum zoon level for my MapView?. I don't know if you've realized the map looks really ugly when zoom level is one. You see the whole world map replicated. I would like to avoid that zoom level no matter if user is zooming in through gestures or zoom controls. I've looked at different alternatives, but none seems to work. Does somebody have a good idea about this?

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Android : How To Compute Zoom Level Against Returned Markers?

Aug 5, 2009

I'd like to know if there is already a way to know from a given set of markers, the zoom I should apply to the map or do I have to do it my self? (this depends on the resolution so i expected to find it in MapView because it knows its boundaries.

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Android :: Set WebView Zoom Manually?

Jun 29, 2009

How to set 1x zoom manually in WebView?

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Android :: How To Set Initial Zoom / Width For A Webview

Sep 27, 2010

I am trying to get the WebView to have similar behavior as the android browser. The browser opens all pages in a way that tries to fit their width to the screen. However, the default behavior of the WebView is to start at a 100% pixel scale so it starts zoomed in on the top left corner.

I have spent the last couple hours trying to find a way to get the WebView to scale the page to the screen like it does in the browser but I'm not having any luck. Has anyone found a way to accomplish this?

I see is a setting called setLoadWithOverviewMode, but that didn't appear to do anything at all. I also experimented with setInitialScale but on different screen sizes and web page sizes that won't be as graceful as the browsers scaling.

Any one have any leads?

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Android :: Properly Zoom A WebView Together With It's Background Image?

Aug 30, 2010

I'm using the following code which only zooms the loadData. How is it possible to zoom the image inside? code...

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Android : How Can Resize / Zoom A Web Page In WebView Control?

Jul 16, 2010

Basically, we want to control the default visible part in a webview control after a new web page is loaded. We tried the javascript "window.scrollBy(...)", it works. However, "window.moveTo(...)" does not work. Is there any trick here?

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Android :: Set Default Zoom Level In Android Google Map?

Mar 1, 2010

I want to set default zoom level in google map to 11 miles. how to achieve this?

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Android :: Way To Disable Zoom Feature On Input Fields In Webview?

Sep 13, 2010

When a user clicks in an input field or textarea, the application zooms in.Is there a simple way to disable it?Everything looks great till I look at it on a device with Android 2.2. Specifically HTC Evo 4G.

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Android :: Want To Make Image Appear In Webview To Utilize Zoom Functions

May 19, 2010

I want to make an image appear in webview to utilize the zoom functions.

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Android :: WebView : Preserve User's Zoom Settings Across Sessions?

Jun 2, 2010

My app uses a WebView, and users sometimes adjust the zoom level to make the text larger. However the zoom level setting is lost when the Activity is closed and another one started.

I can't see how to get and set the zoom level programatically on WebView, can anyone suggest a way this could be done?

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Android :: WebView Double Tap Zoom Not Working On A Motorola Droid A855

Mar 3, 2010

Zoomin in my webview will not work on a double tab. I am using Motorola Droid A855.

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Android :: WebView.clearHistory() - Don't Want Back Button To Allow User To Go Back Further Than Current Session

Mar 31, 2009

I call WebView.clearHistory(), but I am still able to go back after doing so. I want to reuse a WebView, but I don't want the back button to allow the user to go back further than the current "session" of using the WebView. Anybody know what is the best way to handle this? I thought for sure that clearHistory() would do it.

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General :: API Level Differences - App Works In Level 10 But Not In Level 7?

Jul 2, 2012

I'm having trouble developing an app, while it works in API level 10, it does not in API level 7. I wondery why and I've been looking for a site that summarizes the differences, or the new features from one API level to another and cannot find it.

09-04 04:24:21.485: E/AndroidRuntime(6834): Uncaught handler: thread main exiting due to uncaught exception
09-04 04:24:21.510: E/AndroidRuntime(6834): java.lang.VerifyError: [code]....

There seems to be a problem with an uncaught exception and reflection, although....why does it work on API level 10?

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General :: Always Scale To Max Frequency Or Scale It Based On CPU

Jun 30, 2012

the cpu scaling of Android.. First, do the system use the lowest frequency when not in use? Aka screem off..After i unlock the phone do it always scale to max frequency or scale it based on the cpu needed? For example write a text makes the phone use thr same freq as playing a game?

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Android :: Back To Activity After WebView?

Nov 14, 2009

I've been searching and looking for this answer for quite some time now. I want to display a little HTML in a webView.

When the User read the HTML, he's supposed to use the back button to go back to the previous activity. However, it closes the App.

How can I make it go back to the last Activity? It would also be ok to display a soft back button or something. Here my code...

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HTC Droid Eris :: Camera With No Zoom After Update - How To Get It Back?

May 16, 2010

After the upgrade the camera does not zoom anymore. Am I doing something wrong or is it gone for good?

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Android :: From WebView In Droid Back To A ListView?

Jul 29, 2010

After a successful web view is loaded, now after some processing on the HTML page, I would like to return the control to the main screen. Is this possible in Android?

The control after the webview is launched, is in the browser, so after I make some ajax calls and then get a positive server side message. I would like the control goback to my Webview Activity.

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Motorola Droid :: Go Back To Double Tap Zoom On Dolphin Browser?

Dec 9, 2009

Not really happy with the way pinch zoom was implemented and would like to go back to double tap.

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Android :: Pass A Username And Password Back Into A Webview Securely?

Jul 1, 2010

I have a user's name and password stored in their preferences.

How do I go about passing it back into the webview in a secure way?
I know if I do this it will work, but it just seems bad. There has to be a better way to post the variables.

webview.loadUrl("http://mysite.com?name="+username+"&password="+somepassword);

I've been looking for days and can't find anything, which make me think I'm missing something obvious.

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Android : WebView - Not Able To Go Back To My Activity Screen Once The Content Is Displayed

Apr 9, 2009

Step 1: I am subclassing WebView and rendering html content properly. The intial content is very small with a div and image /link This is displayed in a LInear Layout along with a TextView and ListView. That is my first screen/activity of the application.

Step 2: When I click on a link on this webview, it goes through the webViewclient and expands to full screen to fit the content of the requested page.

After Step 2, I am not able to go back to my activity screen once the content is displayed. When I click on the back button to getback to my activity screen close my activity and goes to the phone's applications desktop. (i.e goes out of my application).

Step 3: In order to fix this issue, I stopped setting my own subclasssed WebViewClient. After doing this, the it seems to render the clicked page in a webView as subactivity. Now When I click on backbutton, it goes back to the activity screen. But, the issue now is, I am not catch event when a link is clicked. How can I catch click events in this case.

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Android :: Is Zoom In And Zoom Out Is Possible For Image View?

Jul 14, 2009

Is Zooming is possible to do in android for Image view.I have a images in full screen view, i need to zoom in and zoom out for that images present in image view.Can any body give me suggestions regarding this.

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Android :: How To Zoom In / Zoom Out To Image View?

Jul 28, 2010

I want to know how we can zoom a image that is in ImageView.

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Android :: Cant Go Back To Previous Page From Webview Page

Feb 2, 2009

I am developing simple RSS Reader kind of application.In my applicaion i cant go back from Webview page to previous page.i can go back from all pages except the page where i have used Webview.What could be the reason?why i cant go back?

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Android :: How To Scale A Web View

Nov 2, 2010

How can I set the scaling in a web view (or any view at all)? I have a box of 200 and 200, for example. If I apply a web view to it, a web view bigger than the box, it will give me scrollbars. I am seeking for a way to scale the content in order for the webView to fit the box.

Assume that I know the dimesions of the box, and ALSO the dimensions of the WebView.

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