Develop Reference

Android components are not matched in position when running the app using phone

I placed a button in the middle of design layout from activity_main.xml but when i run the app through my phone, the positioning is not the same as the design inside activity_main.xml.
Tried to change layout to relative and the problem still exist.
<Button
android:id="#+id/button5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="160dp"
android:layout_marginLeft="160dp"
android:layout_marginTop="276dp"
android:text="Button"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
I expect that the design position from activity_main is the same when run through an actual android phone.
From the design layout
from the actual phone

First of all, you might want to adjust button relatively with other components. i.e. try to align your button on top of other component or maybe on bottom of another component.
Refer this link, it has all information
https://developer.android.com/reference/android/widget/RelativeLayout.LayoutParams#attr_android:layout_alignBottom
If you have confusion, share whole xml file for us to refer.

You need just to change the <ConstraintLayout/> in <RelativeLayout/> and replace the Button code by this:
<Button
android:id="#+id/button5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:text="Button" />
Hope this will help.

First of all remove that margins from attributes. There is the left margin which make your button to go right and top margin which move button below the actual center point in small density devices.
So If you want to add button in center of screen in all devices. Use below code without any margin. But if your want to add spacing between other view then use small margin in other views.
<Button
android:id="#+id/button5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintTop_toTopOf="parent" />
Refer this guide to learn basics of constraints : guide

<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:background="#efeff1">
<Button
android:id="#+id/button5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:text="Button" />
</RelativeLayout>

Button with left icon and text perfectly aligned

Good evening,
I am developing an Android app and I am currently doing the Login interface in XML.
I am trying to create buttons with icon and text, like in the picture below :
http://i.imgur.com/J5Cj1w4.png
And here is my actual result :
http://i.imgur.com/VPALdDD.png
With this code :
<Button
style="?android:textAppearanceSmall"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/sign_up_facebook"
android:text="#string/signup_with_facebook"
android:textColor="#color/primaryTextLight"
android:drawableLeft="#drawable/ic_facebook_box_white_24dp"
android:layout_weight="0"
android:background="#drawable/button_shape_login"/>
<Button
style="?android:textAppearanceSmall"
android:layout_marginTop="20sp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/sign_up_google"
android:text="#string/signup_with_google"
android:textColor="#color/primaryTextLight"
android:drawableLeft="#drawable/ic_google_plus_box_white_24dp"
android:layout_weight="0"
android:background="#drawable/button_shape_login"/>
I am stuck at this step.
How can I get the final needed result with XML code ?
Thank you!

You can give padding to drawable like this : android:drawablePadding="50dip"
Also this question answered in this post.

Use android:drawablePadding attribute

You only need to specify android:paddingLeft attribute.
Try specifying a value of 36dp for example

The better option is to actually make the button a Relative/Linear layout with the layout set inside, the drawablePadding will not work so well with different lengths of text and buttons.
Essentially, RelativeLayout which is your button with a nested ImageView and TextView and you'll have good control of the layout, with consistent paddings around images and text within the button.
I haven't tested the following, this is essentially what you need
<LinearLayout
android:id="#+id/facebookButton"
android:layout_width="250dp"
android:layout_height="80dp"
android:orientation="horizontal">
<ImageView
android:src="#drawable/your_drawable"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_gravity="center_vertical"
android:layout_marginLeft="50dp"/>
<TextView
android:text="Sign up with Facebook"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="25dp"/>
</LinearLayout>

android:gravity="center_vertical"
//use in both textView

<Button
android:paddingLeft="50dp"
android:textAlignment="textStart"
android:drawableLeft="#drawable/"
/>

Making the Button's align_parentBottom = "true" when other view's height is not Zero

First the title may look senseless but I don't know how I describe my problem well in the title.
I have a Relative layout which has 2 buttons (Past games and Upcoming Games) and 2 listviews. Whenever a button is pressed the associated listview is collapsed (height will be zero) if it is already expanded or the reverse will happen. ( i used this solution)
Problem:
Everything is fine when I run it on a 5-inch screen phone. Please see the following picture:
[![][2]][2]
But if I run it on a 10-inch tablet it looks like this:
[![][3]][3]
The same will happen when it will run on less than 5-inch phone.
My questions
Do I need to make another layout for the tablet? like in the layout-large folder?
or I can use some event(s) in Jave file that dynamically set the buttons align parent bottom property when the listview is not collapsed.
or it can be fixed in my current XML
Below is the code for that part I am asking for help
<LinearLayout
android:layout_width="match_parent"
android:layout_height="fill_parent"
android:layout_marginTop="10dp"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:id="#+id/btnPastGames"
android:layout_width="match_parent"
android:layout_height="30dp"
android:layout_centerHorizontal="true"
android:layout_marginLeft="15dp"
android:layout_marginStart="15dp"
android:background="#color/YellowColor"
android:text="Past Games"
android:textAllCaps="false"
android:textSize="15sp" />
<ListView
android:id="#+id/lvPastGames"
android:layout_width="match_parent"
android:layout_height="255dp"
android:layout_below="#+id/btnPastGames"
android:layout_centerHorizontal="true"
android:layout_marginLeft="17dp"
android:layout_marginStart="17dp"
android:layout_marginTop="5dp"
android:divider="#null" />
<Button
android:id="#+id/btnUpcommigGames"
android:layout_width="match_parent"
android:layout_height="30dp"
android:layout_below="#+id/lvPastGames"
android:layout_centerHorizontal="true"
android:layout_marginLeft="15dp"
android:layout_marginStart="15dp"
android:background="#color/YellowColor"
android:text="Up Coming Games"
android:textAllCaps="false"
android:textSize="15sp" />
<ListView
android:id="#+id/lvUpcomingGames"
android:layout_width="match_parent"
android:layout_height="255dp"
android:layout_below="#+id/btnUpcommigGames"
android:layout_centerHorizontal="true"
android:layout_marginLeft="17dp"
android:layout_marginStart="17dp"
android:divider="#null" />
</RelativeLayout>
</LinearLayout>
If you guys can give me some advice on making the user interface that will run on all screen sizes and densities I will be very thankful
Thanks to anyone who will help me

You are trying to workaround functionality of ExpandableListView. Look at the following page:
http://www.androidhive.info/2013/07/android-expandable-list-view-tutorial/

How can I use RelativeLayout to align buttons to the right of an ImageView

I'm struggling with a simple relative layout. It is supposed to have an image on the left and a column of other views on the right. The vertical alignment is correct but the horizontal alignment is very puzzling with the buttons on the left of the image even though I have asked for them to be on the right.
Can anyone explain:
why this happens,
how to achieve the arrangement I want.
Here is the layout xml and a screenshot:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
android:id="#+id/widget51"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android">
<ImageView
android:id="#+id/ivLove"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_centerHorizontal="true"
/>
<TextView
android:id="#+id/tvDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:hint="Image name"
android:layout_toRightOf="#+id/ivImage"
/>
<TextView
android:id="#+id/tvPage"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:hint="Page URL"
android:layout_below="#+id/tvDate"
android:layout_toRightOf="#+id/ivImage"
/>
<Button
android:id="#+id/btnNext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Next"
android:layout_below="#+id/tvPage"
android:layout_toRightOf="#+id/ivImage"
/>
<Button
android:id="#+id/btnPrevious"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Previous"
android:layout_below="#+id/btnNext"
android:layout_toRightOf="#+id/ivImage"
/>
</RelativeLayout>
In case you are wondering about the image see Android : Simple HTML parsing & image downloader using AsyncTask

You are putting those controls (TextView, Button) on the right side of the ImageView with id ivImage.
However, your layout does not contain any ImageView with that id (but has one with ivLove).
The controls appear on the left because that's the default docking for views inside a RelativeLayout.
Try updating your references (replace each "ivImage" with "ivLove".
Note -- if you use Eclipse, that the reason you didn't get compile errors for this is that you probably have an ImageView with android:id="ivImage" somewhere in your project. Enabling (and maybe updating) lint will help you filter these kinds of issues.

Designing simple android layout?

I'm having a little trouble laying out my android app. I didn't plan it out very well, and i'm not new to java, but im new to these android xml layouts. What i have is a horizontal linear layout parent, which contains two relative layouts. The right relative layout consists of a custom view (GridView) and under it i want 3 buttons. I've added one button (button1) to my xml file and it won't show up on screen as you can see. I'm thinking i need to set the size of my gridview some how? Its height is 2x its width. Or can i set it by pixels programatically at runtime?
I'm also thinking i sort of over complicated things at this point. Like i said i'm new to these weird layouts, im used to just using x and y offsets in .net. Maybe this could all be done in one relative layout instead of using two and nesting them inside a linear layout?
Here's what i got so far:
<?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" >
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="match_parent" >
<TextView
android:id="#+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:text="#string/next" />
<com.mydomain.tetrisv2.PreviewGridView
android:id="#+id/previewGridView1"
android:layout_width="100dp"
android:layout_height="150dp"
android:layout_alignParentLeft="true"
android:layout_below="#+id/textView1" />
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="#+id/previewGridView1"
android:text="Score: " />
</RelativeLayout>
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="match_parent" >
<com.mydomain.tetrisv2.GridView
android:id="#+id/gridView1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="50dp" />
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/gridView1"
android:text="Button" />
</RelativeLayout>
</LinearLayout>
I can't post images but heres the visual result: http://i50.tinypic.com/orscgi.png
Also side note (unrelated), this is a project for experimentation and learning purposes but are there any legal copyright repercussions to making a tetris game and putting it on the play store?

Just change our right sides gridview's below button to this code
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true" // change is here
android:text="Button" />
Hope this will help you..