I have a relative layout and in that I have 4 imageViews stacked one on the top of another.
I have a set of layout like this, where I have a Linear Layout and a Relative layout on one on top of another.
<LinearLayout android:layout_width="fill_parent" android:layout_height="0dip" android:layout_weight="1.0" android:background="#5500FF00"
android:orientation="vertical" android:gravity="center_horizontal|bottom" android:paddingBottom="3dip">
<include layout="#layout/app_tax_coin_subsection"/>
</LinearLayout>
In the linear layout I am including another relative layout from another xml file which has a number of boxes on top of one another..
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="#+id/app_income_coin_id"
android:layout_width="fill_parent" android:layout_height="fill_parent">
<ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="#drawable/box_red"
android:id="#+id/box1" android:layout_centerHorizontal="true" android:layout_alignParentBottom="true" android:visibility="visible"/>
<ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="#drawable/box_red"
android:layout_above="#id/box1" android:layout_centerHorizontal="true" android:id="#+id/box2" android:visibility="visible"/>
<ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="#drawable/box_red"
android:layout_above="#id/box2" android:layout_centerHorizontal="true" android:id="#+id/box3" android:visibility="visible"/>
<ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="#drawable/box_red"
android:layout_above="#id/box3" android:layout_centerHorizontal="true" android:id="#+id/box4" android:visibility="visible"/>
</RelativeLayout>
The above code working correctly and I am getting 4 lovely red boxes one on top of another. Now I want to reduce the size and width of the relative layout and I want these boxes to reduce size as well. In short what can I do to make the content imageView to resize(even to a size smaller than the original image size) along with its parent layout?
The layout height and width of the RelativeLayout are FILL_PARENT so they will take up the full screen. You can start by setting an absolute height/width in dps, the ImageViews will scale down to fit the parent.
Related
I have a linear layout inside a relative layout, and I want to make the buttons 'taller' to fit the height of the linear layout.
I tried adding padding, as you can see in the screenshot, the layout is 'taller' but the buttons are not. I tried 'fill_parent', 'match_parent' but it didn't make a difference. How do I make the buttons expand in height?
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/timerLayout">
<Chronometer
android:id="#+id/chronometer1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="48dp"
android:text="#string/chronometer"
android:textSize="50sp" />
<LinearLayout
android:id="#+id/buttonLayout"
android:orientation="horizontal"
android:paddingLeft="4.0dp"
android:paddingTop="50.0dp"
android:paddingRight="4.0dp"
android:paddingBottom="4.0dp"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true">
<Button
android:id="#+id/btnReset"
android:layout_width="0.0dp"
android:layout_height="fill_parent"
android:drawableLeft="#drawable/ic_restore_white_24dp"
android:drawableStart="#drawable/ic_restore_white_24dp"
android:text="#string/pause_btn"
android:layout_weight="1.5" />
<Button
android:id="#+id/btnStart"
android:layout_width="0.0dp"
android:layout_height="fill_parent"
android:text="#string/start_btn"
android:drawableLeft="#android:drawable/ic_media_play"
android:drawableStart="#android:drawable/ic_media_play"
android:layout_weight="1.5" />
<Button
android:id="#+id/btnSave"
android:layout_width="0.0dp"
android:layout_height="fill_parent"
android:text="#string/save_btn"
android:drawableLeft="#drawable/ic_save_white_24dp"
android:drawableStart="#drawable/ic_save_white_24dp"
android:layout_weight="1.0" />
</LinearLayout>
The extra space you are seeing is from the padding values in your linear layout, and your buttons are already filling the parent linear layout. But your linear layout has specified the following.
android:layout_height="wrap_content"
If you want to see buttons with a larger height, change the height value for your linear layout to something else like:
android:layout_height="300dp"
your linearlayout says height:wrap_content
so the child elements will takeup only as much space as specified.
Try giving either minHeight for linearlayout or simply remove linearlayout and in your buttons specifiy "alignparentbottom = true".
For left-most button give alignparentStart = true.
Take a look at your xml layout file very closely
<LinearLayout
android:id="#+id/buttonLayout"
android:orientation="horizontal"
android:paddingLeft="4.0dp"
android:paddingTop="50.0dp" //this guy
android:paddingRight="4.0dp"
android:paddingBottom="4.0dp"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true">
the android:paddingTop is the space on the top of every child in your LinearLayout so if you remove it the buttons will fit.
I wanted to display image at the top center of the screen in andriod ,please let me know how to achieve this do i need to do any customization ?
<ImageView
android:id="#+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:src="#drawable/ic_launcher" />
Thanks
use
android:layout_centerHorizontal="true"
you can do it if your parent layout is RelativeLayout like
<RelativeLayout android:layout_height="fill_parent"
android:layout_width="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android">
<ImageView android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:layout_centerHorizontal="true"
android:src="#drawable/piopular"
android:id="#+id/userDp"/>
</RelativeLayout>
and
In LinearLayout, use: android:layout_gravity="center".
add these attributes
android:layout_width="match_parent" this will make the image width the size of the screen
android:layout_height="wrap_content" and the height scaled sized of the image's height
android:layout_alignParentTop="true" now this attribute only works in relative layout
make sure the image view is in a relative layout tag
I have the following XML layout
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/mainLayout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal|center_vertical">
<ImageView
android:id="#+id/IVLEFT"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_alignParentLeft="true"
android:background="#ff0000"
android:padding="1dp"
/>
<ImageView
android:id="#+id/IVRIGHT"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_toRightOf="#+id/IVLEFT"
android:layout_alignParentRight="true"
android:layout_alignBottom="#+id/IVLEFT"
android:layout_alignTop="#+id/IVLEFT"
android:src="#drawable/shadow_pages"
android:background="#00ff00"
android:padding="1dp" />
</RelativeLayout>
I would expect my layout to have 2 ImageViews - one to the left, one to the right.
But what actually happens is:
During runtime I set IVLEFT's image to a large image (say 1024X768) - and it covers all of my layout, abandoning IVRIGHT (I cant even see it)
Any ideas?
It is because your RelativeLayout is wrap_content in width. it takes all the space it needs even if it is outside the screen.
Use fill_parent instead.
Its because you have given first ImageView width and height to fill_parent. So it will acquire the whole layout. Then also, your layout depends on your first image, because if you give a large image to the first Imageview, it will take the whole layout.
If you want to show 2 images side by side, try using linearlayout with layout_weights to two imageViews.
Also give your RelativeLayout width and height to fill_parent
Change the RelativeLayout width to fill_parent
There is no ImageView with the id = "#+id/magazineImageView" in your xml, if you mean "#+id/IVLEFT", then the 1st image itself is occupying the whole Screen width, hence you cannot see the 2nd image.
If you want to see the 2nd image make both the ImageView width as wrap_content or some hard coded value
More importantly when you are using any View id as a reference dont use + sign in the id. + sign is used to define an id for a view, for the first time
use:
android:layout_toRightOf="#id/magazineImageView"
Try this::
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/mainLayout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal|center_vertical">
<ImageView
android:id="#+id/IVLEFT"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:background="#ff0000"
android:padding="1dp"
android:src="#drawable/ic_launcher"/>
<ImageView
android:id="#+id/IVRIGHT"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="#+id/IVLEFT"
android:layout_alignParentRight="true"
android:layout_alignBottom="#+id/IVLEFT"
android:layout_alignTop="#+id/IVLEFT"
android:src="#drawable/ic_launcher"
android:background="#00ff00"
android:padding="1dp" />
</RelativeLayout>
I have a banner that I am displaying on an Android Layout. On this banner, I have two avatars that I would like to display next to each other, and most importantly, I would like to have them displayed where the midway point of these two avatars on the y-axis is aligned with the bottom of the banner that these avatars sit on top of.
How would you do this?
Edit:
In other words, I'm asking how you could use an parameter like android:layout_below, but instead of it aligning the top of the imageview with the botton of the specified layout, to align the center.
Unfortunately, there is no direct layout parameter to align a center point with another edge. If the height of your avatars is fixed, you could add some padding that is half the height so they all line up; i.e.
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
android:id="#+id/banner"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:paddingBottom="25dp"
android:src="#drawable/banner" />
<ImageView
android:id="#+id/avatar1"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:layout_alignBottom="#id/banner"
android:src="#drawable/horse" />
<ImageView
android:id="#+id/avatar2"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:layout_alignBottom="#id/banner"
android:layout_toRightOf="#id/avatar1"
android:src="#drawable/horse" />
</RelativeLayout>
If the heights of those items, however, is dynamic, then you will need to create a custom ViewGroup container so you can measure the avatar heights (in onMeasure()) and apply the padding (or other offset value) at runtime.
Put them in a linear layout, and then give them a width to fill the parent. Then you can use the weight property to disperse the widths equally.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<ImageView
android:id="#+id/imageView1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="#drawable/clock" />
<ImageView
android:id="#+id/imageView2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="#drawable/clock" />
</LinearLayout>
I was wondering how to make the four images inside my LinearLayout look as big as possible depending on the screen. When I install the widget in my phone, it always fits only 50% of the screen.
Here comes the xml.
Any hints?
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:layout_gravity="center_vertical|clip_horizontal"
android:orientation="horizontal" >
<ImageView
android:id="#+id/hora1_current"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:adjustViewBounds="true"
android:scaleType="fitCenter"
android:src="#drawable/neutro_on" />
<ImageView
android:id="#+id/hora2_current"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:adjustViewBounds="true"
android:scaleType="fitCenter"
android:src="#drawable/neutro_on" />
<ImageView
android:id="#+id/minuto1_current"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:adjustViewBounds="true"
android:scaleType="fitCenter"
android:src="#drawable/neutro_on" />
<ImageView
android:id="#+id/minuto2_current"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:adjustViewBounds="true"
android:scaleType="fitCenter"
android:src="#drawable/neutro_on" />
Add android:weightSum="1" to your parent linear layout.
The linear layout should have android:orientation="horizontal"
Now to each of your image views , add android:layout_weight = 0.25.
Hope this works.
hope you read enough about orientation vertical and horizontal .
you should clear here that by filling screen whether you mean altogether all 4 fills the screen such that each takes 25% or every one should take 100% width and added up vertically .
for first case add android:layout_weight=1 for every imageView .
for second case replace android:orientation="horizontal" by android:orientation="vertical" in root LinerLayout
Don't use wrap content, instead use the actual dimensions of the image or fill parent.