Android : How To Create An ImageView That Fills Parent Height?

Nov 24, 2010

I have an ImageView that is defined in the following way.. Now after downloading a new bitmap I change the drawable. The image now appears in the top left corner of the ImageView. Is there a way to have the image fill up the whole height that is possible and then adjust the width of the view to enable scaling the image without changing the aspect ratio?

Android : How to create an ImageView that fills parent height?


Android :: TextView Fills 80% Of Screens / Assign Percentage On Widht And Height?

Oct 13, 2010

I'm very very new on Android.

I want to put a TextView inside a LinearLayout that fills the 80% of LinearLayout's height.

How can I do that? or How can assign percentage on Widht and Height?

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Android :: Getting Height Of Parent Layouut

Sep 7, 2010

I want to determine the available height and width of the parent layout to which I have to add my view.I have used many methods on layout like

layout.getHeight()

layout.getRootView().getHeight()

All these methods return 0(zero) as the result.My main requirement is to be able to give width to a view that is some % of the width of the layout.Also I dont want to use tag for this. I want to do it through code.

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Android :: Align An ImageView To Right Of Parent?

Feb 9, 2010

I have the following l relative layout, which I want an Image to the left and an Image to the right, then the rest is filled by TextView. But I can't get the last image to align right of the parent. I have added 'android:layout_alignParentRight="true"' but it does not work. code...

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Android :: Unable To Center A ImageView Vertically In Its Parent / Solve This?

Jan 23, 2010

My layout design is a TextView with long text and a ImageView to the right of the TextView. I want to center the ImageView in its parent vertically, so I used android:layout_centerVertical="true", but it turned out that the ImageView was aligned to the bottom of its parent. If I don't use layout_centerVertical property, the ImageView will be aligned to the top of its parent. How can I solve this problem? code...

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Android : How To Specify A Dynamic Height For An ImageView?

May 25, 2010

I would like the ImageView's height to dynamically increase depending on the max height of the screen. I'm aligning the layout containing the buttons along the bottom of edge of the screen, and I would like the rest of the screen taken up by the above ImageView. Also, since the ImageView contains a centered image, I would also like to set min height, and a scrollbar if the screen is too small to display the imageview and the buttons below.

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Android : How Can I Set Width / Height Of An ImageView To Another On XML?

Oct 7, 2010

I want the second ImageView to have the very same size of the first ImageView so that it resizes the pictures I set in the second view (header_avatar) to the same of the first view (@drawable/icon). Is this possible or do I have to do it programmatically? Cannot I reference the first view's width and length on the second view?

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Android : Way To Set Width / Height Of An ImageView Programmically?

Apr 26, 2009

Can you please tell me how can i set the width and height of an ImageView programmically in java code (not layout xml file)? I tried setMinimumWidth/setMinimumHeight, but that does not work. I have looked at the view in HierarchyView, it still said the width to be 80 and height to be 100. And that is not the value I set.

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Android : Way To Set Imageview Width / Height Programatically?

Jun 29, 2010

How i can set Imageview width and height programatically.

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Android :: Create A New File Together With Missing Parent Directories

Jun 22, 2010

When using

file.createNewFile();

I get the following exception

java.io.IOException: Parent directory of file does not exist: /.../pkg/databases/mydb

I am wondering is there a createNewFile that creates the missing parent directories?

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Android :: Create A Single Class Which Can Be Parent For Every Type Of Activity?

Oct 7, 2010

I wish to have a single class which all of my Activity classes extend. I have ListActivities, Activities, MapActivities, TabActivities, etc in my App.

I have many of these different activities in my app, ~12 activities. I want each of them to have the methods which are in the parent class.

Right now, i have created 4 parent activity classes which are extended from a certain activity depending on their type(ListActivity, Activity, MapActivity, TabActivity)

I am creating a lot of redundant code - each of the 4 parent activities has almost identical code, in exception for what class activity it extends.

Here is an example that may clarify what my problem is:

I have an Activity: MenuScreen which extends BaseListActivity BaseListActivity extends ListActivity BaseListActivity contains methods and fields which i want all my activities to have access to I have another Activity: HomeScreen which extends BaseActivity BaseActivity extends Activity BaseActivity contains the same methods and fields which are in my other Base[<type>]Activity classes(such as BaseListActivity)

These methods/fields are copy-pasted to all my Base[<type>]Activity, and seems awfully redundant to me.

Can i create a master activity class which all types of Activity classes can use as its parent? if not, am i stuck with copy and pasting this code and feeling gross/dirty about it?

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Android :: How To Create 3 Equally Wide TextView Which Fill Parent Across The Screen

May 11, 2010

How can I create 3 equally wide TextView which fill parent across the screen? I tried doing this, but the width of the TextView are different: it is 149, 89, 89.

CODE:...................

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Android :: Create Animation List View From Top To Bottom With Increasing Height

Oct 25, 2010

Anyone has idea how to create animation from top to bottom for List View with increasing the height of each list item view ?

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Android :: Create A Square Button That Adjusts To List Item Height?

Feb 12, 2010

In a Listview I want create a square button that is as wide as the list item is heigh.I don't want to set fixed width and height as it should work for different resolutions.
Is is possible?

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Android :: Create Repeated Rotate Animation And Apply It To ImageView?

Jan 9, 2010

I've created a layout with an image view and a web view. The web view is set to have a default visibility of gone. When the activity fires up it displays the image view first and when the web view has finished loading its url, it marks itself as visible and the imageview is marked as hidden.

When the imageview is shown, I would like it to rotate repeatedly just for a little added pizazz.

I have never done animations before in Android and all the posts I found when I asked the internet were not helpful; thus, I have returned to SO for help.

So if I start with this...final ImageView splash = (ImageView)findViewById(R.id.splash);

How do I create a repeated rotate animation and apply it to the ImageView?

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Android :: Eclipse Doesn't Recocnize ImageView / Need To Create Another Class For It?

Jul 20, 2010

When I type ImageView or AnimationDrawable I get a string of errors proclaiming:

AnimationDrawable cannot be resolved to a type.

line 14 Java Problem

I don't understand, do I need to create another class? Or do the AnimationDrawables just not go in the filename.java?

And if I do need to create another class, can you show me how?

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Android : How To Create An ImageView In Java Code Within An Existing Layout

Jun 8, 2010

I'm looking for an easy way for the user to see how many drinks they've had for a BAC calculator.

PICTURE OF THE APP, for reference

On button press, I would like an image to be added to the screen, directly under the spinner and with left alignment. When I press the button again, I want another image to be added to the screen.

So if I pressed the add beer button, a drawable of a beer would appear below the spinner. If I pressed the add beer button again, I want there to be TWO drawables of beers under the spinner, preferably with them being added from the right.

(Also, having them reach their width limit, wrapping around, and starting again on the left, but below a full line, would be AWESOME)

I can't figure out how to do this. I assume adding a ImageView in code to a relative layout (because it needs to be positioned to the right) would be the best route, but if it's possible in xml I'd be more than happy to use that.

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Android :: Create Multiple Threads To Achieve Ftp Download And Display In Imageview?

Jun 30, 2010

The following code executes a function that retrieves a file via ftp and then displays it in an imageview. Since I'm using the main thread the UI locks up, somebody tells me I can use asynctask to make this work but I can't figure it out :<

Is anybody familiar with this that could offer me some guidance? code...

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Android : Min Height Fill_parent And Height Wrap_content In ScrollView - Or Just The Email App Compose Layout's Code

Oct 7, 2010

If I have the following:

CODE:..............

How can I get the body (second EditText) to fill the rest of the screen, but still have the scrollview kick in when the contents of the body are too long? Like a height="wrap_content" and minHeight="fill_parent"

layout_height="fill_parent" seems to not do anything if you put them in a scrollview

A working example of what I want is the email app compose window

I tried this and the EditText elements act like they are wrap_content and no filling is happening. Just scrolling if you type enough

CODE:...................

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Android :: When Listview Height Is Higher Than Screen Height It Goes Under Button

Oct 28, 2010

This is my layout that suppot delete from listview ,the problem is when listview height is higher than screen height it goes under the button , so need a solution for avoding it

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Android :: How To Get Button's Height To Match Another Element's Height

Nov 15, 2010

I want to put a button next to a EditText and I want their heights to match.For example, from the built in Android browser:

The Go button is the same height as the EditText field.I know I could wrap both these views in a parent layout view, and set both of their heights to fill_parent, and that would make them match.However, I would like to do this without having to give the layout a static size.I would rather have the EditText take whatever height it needs based on the font size and then have the button next to it match whatever height that might be.Is this possible with an xml layout?

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Android : RelativeLayout Height Not Following GridView Height

Aug 28, 2010

I am having problem with a GridView within a RelativeLayout, which is again within a ScrollView. The problem is that the height of the RelativeLayout is not following the height of the contents of the GridView. When there are more than one rows, the GridView is clipped and a scrollbar appears, which is undesirable. I have tried to illustrate my problem using an screenshot from the Android hierarchy viewer. You can see how the red RelativeLayout box has clipped the second row of the GridView. I am pasting the XML layout of the page (page.xml) and the individual grid item (griditem.xml). I have used the following code to inflate the grid items in the gridAdapter code:

CODE:.................

What I should do to have the height of the RelativeLayout follow the full length of the gridView?

Here is the screenshot: http://tinypic.com/r/98rs4n/4

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General :: Galaxy S2 - RAM Fills Up Fast

Aug 15, 2013

New to Android Central. I have galaxy s2 Rogers version (like a skyrocket). I installed Clean Master to be sure my ram stayed good. The past few days I have been getting a notification that ram is full. Just got the notification again and when I look at the Tasks folder in Clean Master it shows 738.35mb used and 49.72mb free.

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HTC Desire :: Every Installed And Uninstalled Application Leaves Some Files That Fills Up This 150mb?

Jul 16, 2010

As you may all know Desire has nearly 150mb internal memory for applications so I'm doing my best to use it wisely,

My problem occured when I start to install and uninstall many applications just for testing. I've seen that every installed and uninstalled application leaves some files that fills up this 150mb.

At my phone I had, CoPilot live + Several games + Google Earth. Now I've none and but when I try to install CoPilot or Google Earth I'm facing the fact that there is no space left.

I think applications might be leaving installer file behind when applications installed through HTC Sync, this might be the only logical reason.

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Retrieve And Set ListView Items (cells) Height Depending On ListView Height

Apr 4, 2012

I have some class LoginActivity.java. In the onCreate method I retrieve ListView:

ListView list = (ListView)findViewById(R.id.snListView); then:

list.setAdapter(adapter);

In addition there are login.xml layout - there are:

<ListView
android:id="@+id/snListView"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</ListView>
and sn_row.xml:

[Code]...

At the moment I have cell's height 100dp, I need that cell's height will depend on device, I mean I have here 5 cells showing at login screen in ListView and I need that these 5 rows will fit the ListView (cell's height = ListView's height/5).

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Android :: Imageview Ontop Of Another Imageview

Jun 15, 2010

I have a listlayout with items in it that looks like this:

There is first an ImageView (the light) and then two textViews. All of this inside a TableLayout. (source here: http://code.google.com/p/switchctrl/source/browse/trunk/android/res/layout/device_switch.xml)

I want to have a rotating animation of a loading indicator Ontop of this light when this particular device (light) performs an action or an action is performed on it.

How do I put an animation ontop of this light imageview?

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Android :: SurfaceView Transparent Through Its Parent

Feb 11, 2009

I have a SurfaceView that is covering a portion of its parent, a RelativeLayout. I have a background image covering the full RelativeLayout area, and this is my Activity's main layout.

I would like to have the SurfaceView be transparent so that I can see through to the background image on its parent RelativeLayout. I have tried the approach shown in the API Demos example TranslucentGLSurfaceViewActivity, but this succeeds in making the transparency go all the way through my Activity to my desktop!

I'm using the "style/Theme.Translucent" theme on my activity, and setting this on my SurfaceView: mySurfaceView.getHolder().setFormat(PixelFormat.RGBA_8888);

The transparency to the desktop it kinda cool, but not what I'm trying to do! Is it possible to make a SurfaceView transparent only through to its parent?

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Android :: Add Parent Align For Tab TabWidget?

Nov 21, 2010

I am writing Java code to create a tabs.i have done that.but now i want the tab widget to be in the lower part of the screen.i hope this will be achieved by adding this code. android:layout_alignParentBottom="true" let me know how to add this coding.....

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Android :: BringtoFront The Parent Activity?

Sep 7, 2010

As we know, startActivityForResult() used to get a result for a task from parent activity. Here when we click the setResult(). It returns the result to the parent Activity.

Child Activity means it should maintain the persistent state. That is when the users clicks a button on the child activity. It do not finishes that activity and show the Parent Activity. And again i may go to the child activity from parent activity. If the child does not exists it starts a new child activity else it should show the existing child activity with persistent content.

Simply said, my parent Activity starts a new Child Activity. Now both Activities should be alive. How to call the Parent Activity without finishing the child Activity(in other words, How to BringtoFront the parent Activity)? For this scenario,

you can not use startActivity(). Because it creates a new Activity Instance. Not Existing Parent Activity
you can not use startActivityForResult(). Because it finishes the child Activity Instance.

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Android :: Possible For The Child Of An ExpandableListView Also Be A Parent?

Nov 5, 2010

Is it possible for the child of an ExpandableListView also be a parent?

For example, I need something like the following: ParentA ChildA ChildB ParentB ChildC GrandchildA? GrandchildB? ParentC

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