I've got a ListView with items composed of RelativeLayouts. This is the relevant XML from the list items:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TextView
android:id="#+id/xx"
android:gravity="center_vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_centerInParent="true"
android:layout_alignParentLeft="true"/>
<TextView
android:id="#+id/title"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_toRightOf="#id/xx" />
<TextView
android:id="#+id/tag"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="#id/xx"
android:layout_below="#id/title" />
<TextView
android:id="#+id/subtitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="#id/tag"
android:layout_below="#id/title" />
</RelativeLayout>
On Android 2.1 (tested on a Nexus One), this shows the desired behavior: Android 1.5 http://img42.imageshack.us/img42/7668/85324076.png
On Android 1.5 however (tested on a HTC Hero), it shows up like this: Android 1.5 http://img257.imageshack.us/img257/2849/72229324.png
[edit] On 1.6 (emulator), it works as expected as well.
The small grey line on the top left is what shows up in the first pic as "xx", so that should be vertically centered. As far as I can see, the XML dictates this, but for some reason, 1.5 ignores it.
Why is this? I can't find anything about this difference, and I've been brute forcing any combination of layout_center, center, alignParent*, but to no avail...
Can anyone shed some light on this? Thanks!
For relative layout layout_gravity is not used.
Also, you're using conflicting attribtues centerInParent and alignParentLeft.
Use only one of them.
You can use layout_centerVertical="true" layout_alignParentLeft="true"
RelativeLayout receives many bug fixes in 1.6 and then 2.0 :)
For one, judging by the fact that it's broken in the earliest version you're testing with and works as expected in the later versions...sounds like a bug that was fixed.
However, unless I'm oversimplifying because you're only showing a few basic sample screen shots, I would do this with nested LinearLayouts anyway.
Related
So Android Studio has the drag/drop feature in the design tab. I am able to place the elements where I want them, and the layout looks great on the screen.
However, when I go to run the app emulator, it looks completely different. Everything gets shoved up to the top-left hand corner of the screen, nowhere near where I placed it in design mode.
Is there a way to have your elements show the same way in the emulator, as the way you place them in design mode? Right now I'm having to go back and edit all the code each time.
I have my code below, as well as a image link below to further clarify my point.Comparison of Design mode vs App Emulator
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.luke.currencyconverter.MainActivity">
<TextView
android:id="#+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Enter The Amount in Dollars"
tools:layout_editor_absoluteX="-159dp"
tools:layout_editor_absoluteY="126dp" />
<TextView
android:id="#+id/textView2"
android:layout_width="403dp"
android:layout_height="0dp"
android:text="Enter The Amount in Dollars:"
android:textColor="#android:color/black"
android:textSize="22sp"
tools:layout_editor_absoluteX="33dp"
tools:layout_editor_absoluteY="365dp" />
<ImageView
android:id="#+id/currency"
android:layout_width="361dp"
android:layout_height="450dp"
app:srcCompat="#drawable/currency"
tools:layout_editor_absoluteX="12dp"
tools:layout_editor_absoluteY="-117dp" />
<Button
android:id="#+id/convert"
android:layout_width="361dp"
android:layout_height="wrap_content"
android:onClick="convert"
android:text="Convert"
tools:layout_editor_absoluteX="12dp"
tools:layout_editor_absoluteY="462dp" />
<EditText
android:id="#+id/dollarField"
android:layout_width="368dp"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="numberDecimal"
tools:layout_editor_absoluteX="8dp"
tools:layout_editor_absoluteY="408dp" />
</android.support.constraint.ConstraintLayout>
Drag and drop for android will only place the object within the screen. To keep it there you should modify the xml so that the objects will be constrained to each other.
You can use either relative layout or constraint layout for an easier time in designing your layout.
I figured it out. I was using "constraint layout", and I needed to use "relative layout".
I just had this error as well and as annoying as it sounds, my solution was to delete my xml file and recreate it.
I have a RelativeLayout containing a Textview. I want the TextView text to wrap on multiple lines.
It works fine on Android 4.1 and 4.2 (haven't tried earlier versions). However, on Android 4.3 the text doesnt wrap and is cut (see screenshots below).
Layout.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/feed_item"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/touchable_background_msf"
android:padding="#dimen/feed_item_padding" >
<com.binarymango.msfnews.images.RecyclingImageView
android:id="#+id/feed_item_icon"
android:layout_width="#dimen/feed_thumb_width"
android:layout_height="#dimen/feed_thumb_height"
android:contentDescription="Description" />
<TextView
android:id="#+id/feed_item_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="#+id/feed_item_icon"
android:layout_alignLeft="#+id/feed_item_icon"
android:layout_alignRight="#+id/feed_item_icon"
android:background="#color/text_background_msf"
android:ellipsize="end"
android:maxLines="3"
android:minLines="2"
android:padding="#dimen/feed_item_text_padding"
android:text="Description"
android:textAppearance="?android:attr/textAppearanceSmall"
android:textColor="#color/text_msf" />
</RelativeLayout>
Result on Android 4.2, the text is correctly wrapped in 3 lines:
But on Android 4.3, the text is just cut:
I've been trying to play with several attributes as mentioned elsewhere in StackOverflow in vain:
android:singleLine="false"
android:scrollHorizontally="false"
android:inputType="textMultiLine"
android:width="0dip"
Also, I suspect it may have to do with the theme. My app uses Theme.AppCompat.Light
You can use android:line="3" for example to have same behaviour as the first Image.
I was wondering if I could get some help with a layout issue. Basically, I need three things (eventually more) to show up on the screen, and the middle on is doing it's own thing.
I need it to look like the following image (but with the space background shown on the other pictures):
But it looks like this (this is from a Nexus One AVD and my Galaxy Nexus phone):
That, or it shows the 'Please select which variables you already know' text about halfway down the screen. I have a main screen that shows fine. I've tried different layouts, different heights, manually entering heights and widths, I just can't seem to get it to work for me.
Here's the code for the 'broken' xml layout...
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:gravity="center_horizontal" >
<TextView
android:id="#+id/app_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/app_name"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="#FFFFFF"
android:textSize="28sp" />
<TextView
android:id="#+id/recommend_instructions"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/app_name"
android:layout_centerHorizontal="true"
android:gravity="center_horizontal"
android:text="#string/recommend_instructions"
android:textAppearance="?android:attr/textAppearanceSmall" />
<Button
android:id="#+id/button_submit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:text="#string/button_submit" />
</RelativeLayout>
The RelativeLayout has been able to get me close, but I was hoping that somebody would be able to look over my XML file and let me know if there's anything you can see that would be causing a re-size of the middle text. I've tried using a gravity='center_horizontal' with a placeholder layout to keep it at the top, but it keeps expanding. So I know that either the 'The Grand Unified theory' is expanding out to about the midway point and pushing down on it, or it's posting itself in the middle of the screen.
I thought it was the gravity = 'center' code I had earlier, but I changed that and it still did the issue.
Any help is greatly appreciated.
Again, I'm hoping someone can help me figure out what is re-sizing my text code.
While developing an Android application I have stumbled upon a baffling problem. The UI element I am creating is a header bar that has a custom search field. Everything looks wonderful on the Android UI editor but the second I use the emulator or a device it bugs out and compresses the magnifying glass image and clips the edit text. I have tried a number of things including changing the background image of the search area to the custom search field that is currently in the parent LinearLayout. This however results in the search field size growing out of control.
Any suggestions are welcome.
My questions are:
1) How would one fix this problem while maintaining the look of the search area?
2) Why is this problem occurring?
Confirmed on the following devices:
Samsung Galaxy Nexus 4.0.2
Motorola Zoom 4.0.3
Nexus S 2.3.7
This is a screenshot of the UI editor:
This is a screenshot of what it looks like on all devices tested:
The XML used to generate these UI elements:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/header"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#drawable/title_bar_matte"
android:gravity="center_vertical"
android:orientation="horizontal" >
<LinearLayout
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_margin="10dp"
android:layout_weight="1.0"
android:background="#drawable/search_field"
android:gravity="center_vertical"
android:orientation="horizontal" >
<ImageView
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:layout_marginLeft="15dp"
android:src="#drawable/magnifying_glass" />
<EditText
android:id="#+id/campus_map_acitivity_search"
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_marginLeft="10dp"
android:layout_weight="1.0"
android:background="#0FFF"
android:hint="Search"
android:imeOptions="actionSearch"
android:singleLine="true" />
</LinearLayout>
<Button
android:id="#+id/campus_map_activity_goto_list"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:background="#drawable/button_list" />
<Button
android:id="#+id/campus_map_activity_my_location"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:background="#drawable/button_location" />
</LinearLayout>
Just figured out the problem. The search background image had the top and left sides set to 9-patch scale. This is all good and well but we had forgotten to set the bottom and right fill areas so that the content would have room to exist.
http://radleymarx.com/blog/simple-guide-to-9-patch/
Remember to set the fill areas!
It turns out the Android UI editor does not handle 9-patch images like the devices. That seems to be a bug to me.
I'm struggling to finish my Android app, but I'm having some problems with the UI. My problem is very basic, I've developed the UI using the default AVD when using AVD manager in Eclipse (HVGA, with a density of 160 dpi), and when I execute the app I see it as I designed, but if I change the target device (i.e. WVGA or QVGA) all the components in the layout are in a different position than the original. As far as I saw in the recommendations for support multiple screens, I should not use AbsoluteLayouts, in fact I'm using RelativeLayouts, I'm not using "px" for the dimensions (or positions), just "wrap_content" or "fill_parent", and in case I need an specific position I'm using "dp" (tested too with "sp"), also I've scaled the images for ldpi (0.75x), and still have the issue (not a particular screen, the hole app) ...so, my question is, is there any other UI tip that I'm missing?.
I'm putting a sample code and the results that I observe when testing it with a HVGA AVD (bigger image) and with a QVGA AVD. As you can see, the position of the yellow/green squares is different, as well as the size of the last row of images.
PS: I'm using a TabLayout also, so the background is loaded through code (tabHost.setBackgroundDrawable(getResources().getDrawable(R.drawable.background1)))
Any help will be appreciated.
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:id="#+id/row1"
android:layout_centerHorizontal="true"
android:layout_marginTop="140dp"
>
<ImageView
android:id="#+id/btn1"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:clickable="true"
android:onClick="method1"
android:src="#drawable/button1"
/>
<ImageView
android:id="#+id/btn2"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:clickable="true"
android:onClick="method1"
android:src="#drawable/button2"
/>
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_below="#id/row1"
android:layout_centerHorizontal="true"
>
<ImageView
android:id="#+id/btn3"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:clickable="true"
android:onClick="method1"
android:src="#drawable/button3"
/>
<ImageView
android:id="#+id/btn4"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:clickable="true"
android:onClick="method1"
android:src="#drawable/button4"
/>
</LinearLayout>
</RelativeLayout>
Your layout looks fine to me, except for having that white box title on the background as it will make more difficult to put things in their position. Also, RelativeLayout does not have orientation but that is ignored.
In the bigger screenshot it looks like there is more space between the white box and the top of the screen. What it does not make sense to me is the different size in the second row. Are you 100% sure you are loading the correct images in the smaller screenshot?
You need to create different layout for diff. resolution i.e for large screen use layout-large folder..
I hope this link help to you.
Did you follow the steps given on the developer site to make ur app to support multiple screens?