The sides of the buttons changed - android

when I try my app on my computer all the buttons are in the correct place.
but when I testing my app on my phone all the buttons changed.
how can I fix that?
This is my xml code:
<?xml version="1.0" encoding="utf-8"?>
<Space
android:id="#+id/s1"
android:layout_width="match_parent"
android:layout_height="40dp"/>
<TextView
android:id="#+id/tv"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#id/s1"
android:textSize="30sp" />
<Space
android:id="#+id/s2"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_below="#id/tv"/>
<LinearLayout
android:id="#+id/ll789"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#id/s2"
android:orientation="horizontal">
<Button
android:id="#+id/buttonSeven"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="7"
android:textSize="20sp" />
<Button
android:id="#+id/buttonEight"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="8"
android:textSize="20sp" />
<Button
android:id="#+id/buttonNine"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="9"
android:textSize="20sp" />
<Button
android:id="#+id/buttonDivide"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="/"
android:textSize="20sp" />
</LinearLayout>
<LinearLayout
android:id="#+id/ll456"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#id/ll789"
android:orientation="horizontal">
<Button
android:id="#+id/buttonFour"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="4"
android:textSize="20sp" />
<Button
android:id="#+id/buttonFive"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="5"
android:textSize="20sp" />
<Button
android:id="#+id/buttonSix"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="6"
android:textSize="20sp" />
<Button
android:id="#+id/buttonMultiply"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="*"
android:textSize="20sp" />
</LinearLayout>
<LinearLayout
android:id="#+id/ll123"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#id/ll456"
android:orientation="horizontal">
<Button
android:id="#+id/buttonOne"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="1"
android:textSize="20sp" />
<Button
android:id="#+id/buttonTwo"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="2"
android:textSize="20sp" />
<Button
android:id="#+id/buttonThree"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="3"
android:textSize="20sp" />
<Button
android:id="#+id/buttonSubtract"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="-"
android:textSize="20sp" />
</LinearLayout>
<LinearLayout
android:id="#+id/ll0"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#id/ll123"
android:orientation="horizontal">
<Button
android:id="#+id/buttonDot"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="."
android:textSize="20sp" />
<Button
android:id="#+id/buttonZero"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="0"
android:textSize="20sp" />
<Button
android:id="#+id/buttonEqual"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="="
android:textSize="20sp" />
<Button
android:id="#+id/buttonAdd"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="+"
android:textSize="20sp" />
</LinearLayout>
<LinearLayout
android:id="#+id/llC"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#id/ll0"
android:orientation="horizontal">
<Space
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"/>
<Space
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"/>
<Space
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"/>
<Button
android:id="#+id/buttonClear"
style="#style/Widget.AppCompat.Button.Borderless"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="C"
android:textSize="20sp" />
</LinearLayout>
I think maybe that's happened because of my phone in Hebrew and my computer in English.

This is most likely happening because the <application> tag in your AndroidManifest.xml file specifies android:supportsRtl="true". Assuming this attribute is there, any time the user (i.e. you) has their phone set to a right-to-left language, the contents of your LinearLayouts will be reversed.
You can set this attribute to false or you can add android:layoutDirection="ltr" to your LinearLayouts.

Related

How does layout_weight interact with wrap_content with Buttons in LinearLayout — why am I getting counterintuitive results?

A picture will help understand what I'm talking about:
I have three horizontal LinearLayouts, each of which contains six Buttons:
On the first row, each button has its layout_width set to "0dp" and it's layout_weight set to "1", except for button 4 where it's "2". The result is pretty much exactly what I'd expect.
The second row is identical to the first, except that all of the layout_width values are set to "wrap_content". My expectation was that each button would be assigned a width according to how much space it needs, and then the leftover space would be distributed equally among them, giving extra space to button 4. However, button 4 is actually smaller than its peers. Why is that happening?
In the third row, I deleted all of the weights and left the widths set to "wrap_content". I would have expected that each button would only be as wide as it needs to be, with some blank space at the end of the row. Instead, all of the buttons are actually too wide, and don't even fit on the screen!
Can anybody explain what I'm missing here?
By comparison, the next three rows are identical to the first three, except that Button has been changed to TextView. These rows all look exactly as I would expect.
For reference, the layout.xml file is as follows:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
android:orientation="vertical"
tools:context=".SecondFragment">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
android:id="#+id/button12"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="1" />
<Button
android:id="#+id/button13"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="2" />
<Button
android:id="#+id/button14"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="3" />
<Button
android:id="#+id/button15"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="2"
android:text="4" />
<Button
android:id="#+id/button16"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="5" />
<Button
android:id="#+id/button17"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="6" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="1" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="2" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="3" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="2"
android:text="4" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="5" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="6" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="1" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="2" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="3" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="4" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="5" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="6" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="#+id/button12"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="1" />
<TextView
android:id="#+id/button13"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="2" />
<TextView
android:id="#+id/button14"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="3" />
<TextView
android:id="#+id/button15"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="2"
android:gravity="center"
android:text="4" />
<TextView
android:id="#+id/button16"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="5" />
<TextView
android:id="#+id/button17"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="6" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="1" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="2" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="3" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="2"
android:gravity="center"
android:text="4" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="5" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="6" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:text="1" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:text="2" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:text="3" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:text="4" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:text="5" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:text="6" />
</LinearLayout>
</LinearLayout>
OK, figured it out. Leaving this up in case it helps someone in the future.
Buttons have a minWidth attribute which is 88dp by default. Changing this to zero made everything come out the way it should.

Error parsing XML: not well-formed (invalid token) in Android

I am learning android development and facing problems while building the project.
I am making a calculator app:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:layout_alignParentBottom="true"
android:paddingBottom="#dimen/activity_vertical_margin"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
tools:context="com.example.palakjain.simplecalculator.MainActivity">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingBottom="100dp"
android:layout_marginBottom="20dp"
android:id="#+id/textView" />
<!--<Button
android:id="#+id/btnErase"
android:text="<-"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>-->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
android:id="#+id/btnClear"
android:text="C"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btnPercentage"
android:text="%"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btnDivide"
android:text="/"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<Button
android:id="#+id/btn1"
android:text="1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btn2"
android:text="2"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btn3"
android:text="3"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btnMul"
android:text="X"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/linearLayout2"
android:layout_below="#+id/linearLayout">
<Button
android:id="#+id/btn4"
android:text="4"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btn5"
android:text="5"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btn6"
android:text="6"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btnSub"
android:text="-"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/linearLayout">
<Button
android:id="#+id/btn7"
android:text="7"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btn8"
android:text="8"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btn9"
android:text="9"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btnAdd"
android:text="+"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:id="#+id/btnPoint"
android:text="."
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btn0"
android:text="0"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btnEquals"
android:text="="
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
</LinearLayout>
This is what I have done in my XML file and I am not able to figure out what's wrong. Kindly help.
Use attribute android:layout_width="wrap_content" to btnClear instead of match_parent to show btnPercentage and btnDivide on screen.
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
android:id="#+id/btnClear"
android:text="C"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btnPercentage"
android:text="%"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:id="#+id/btnDivide"
android:text="/"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
Finally, Clean and Rebuild your project and Run again.
UPDATE:
Error parsing XML: not well-formed (invalid token) in Android
I guess this problem is occurring due to android:text="<-". If you want to show "<-" as Text on Button, then use below code:
<Button
android:id="#+id/btnClear"
android:text="<-"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
FYI, here < represents <. Hope this will work~

Displaced elements with LinearLayout

I am making a simple calculator using LinearLayout.
The problem is that it looks like this :
Instead of like this:
I simply want it to look like in the second image. I don't get why it doesn't.
Please, can someone help me with this?
Here's the pastie with the xml.
It's the android:baselineAligned="false" that you have to apply to all of your nested LinearLayouts.
See enhanced layout here.
use this layout:
use layout weightSum and layout_weight properly in your child buttons to align them with required space:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:orientation="vertical"
tools:context="com.example.tsvetan.exercise_4_calculator.MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<Button
android:id="#+id/clear"
style="#style/Widget.AppCompat.Button.Colored"
android:layout_width="50dp"
android:layout_height="48dp"
android:layout_marginEnd="11dp"
android:layout_marginRight="11dp"
android:onClick="clear"
android:text="C"
android:textAlignment="center"
android:textSize="24sp"
android:textStyle="bold" />
<EditText
android:id="#+id/number"
android:layout_width="306dp"
android:layout_height="56dp"
android:layout_gravity="end"
android:ems="10"
android:inputType="numberSigned|numberDecimal"
android:text="0"
android:textAlignment="viewEnd"
android:textSize="30sp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="50dp"
android:weightSum="5">
<Button
android:id="#+id/but7"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight=".8"
android:onClick="seven"
android:text="7" />
<Button
android:id="#+id/but8"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight=".8"
android:onClick="eight"
android:text="8" />
<Button
android:id="#+id/but9"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight=".8"
android:onClick="nine"
android:text="9" />
<Button
android:id="#+id/plus"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1.2"
android:elevation="0dp"
android:onClick="onOperatorClick"
android:padding="0px"
android:text="+"
android:textAlignment="center"
android:textSize="30sp"
android:textStyle="bold" />
<Button
android:id="#+id/multiply"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1.2"
android:onClick="onOperatorClick"
android:text="*"
android:textAlignment="center"
android:textSize="36sp"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="50dp"
android:weightSum="5">
<Button
android:id="#+id/but4"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight=".8"
android:onClick="four"
android:text="4" />
<Button
android:id="#+id/but5"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight=".8"
android:onClick="five"
android:text="5" />
<Button
android:id="#+id/but6"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight=".8"
android:onClick="six"
android:text="6" />
<Button
android:id="#+id/minus"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1.2"
android:onClick="onOperatorClick"
android:padding="0px"
android:text="-"
android:textAlignment="center"
android:textSize="36sp"
android:textStyle="bold" />
<Button
android:id="#+id/division"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1.2"
android:onClick="onOperatorClick"
android:text="/"
android:textAlignment="center"
android:textSize="36sp"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="50dp"
android:weightSum="5">
<Button
android:id="#+id/but1"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight=".8"
android:onClick="one"
android:text="1" />
<Button
android:id="#+id/but2"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight=".8"
android:onClick="two"
android:text="2" />
<Button
android:id="#+id/but3"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight=".8"
android:onClick="three"
android:text="3" />
<Button
android:id="#+id/equals"
style="#style/Widget.AppCompat.Button.Colored"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2.4"
android:onClick="onOperatorClick"
android:padding="0px"
android:text="="
android:textAlignment="center"
android:textColorLink="#android:color/holo_orange_dark"
android:textSize="36sp"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="50dp"
android:weightSum="5">
<Button
android:id="#+id/but0"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1.6"
android:onClick="zero"
android:text="0" />
<Button
android:id="#+id/butMult"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight=".8"
android:onClick="point"
android:text="."
android:textAlignment="center"
android:textSize="18sp"
android:textStyle="bold" />
</LinearLayout>
</LinearLayout>
output:
You don't need to put height to all of your buttons. Just put the height of linear layout and the rest will be match_parent. You will get what you want:

Things move out of place on different screen sizes [duplicate]

This question already has answers here:
How to support different screen size in android
(9 answers)
Closed 8 years ago.
I've made an android app and spent quite a bit of time making it fit perfectly on my screen (specifically part marked as "this part" on xml). To my surprise, everything appears out of place in other screens. How do I make sure that it looks the same in all screens?
XML:
<LinearLayout
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="#drawable/wood"
android:paddingBottom="#dimen/activity_vertical_margin"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
tools:context="com.luanca.charangomaster.ChordActivity"
android:orientation="vertical" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:weightSum="3">
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_weight="1">
<TextView
android:id="#+id/chordintip"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="#string/choose_root" />
<Button
android:id="#+id/chordin"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/dark_plank"
android:text=""
android:textColor="#ffffff" />
</LinearLayout>
<LinearLayout
android:id="#+id/emptymiddle"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_weight="1">
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_toRightOf="#+id/emptymiddle"
android:layout_weight="1">
<TextView
android:id="#+id/chordintip2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="#string/choose_type" />
<Button
android:id="#+id/chordin2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/dark_plank"
android:text=""
android:textColor="#ffffff" />
</LinearLayout>
</LinearLayout>
<TextView
android:id="#+id/tip1"
android:layout_width="match_parent"
android:layout_height="30dp"
android:gravity="center"
android:text="#string/help" />
<!--This part doesn't fill all screens -->
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
<ImageView
android:id="#+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:scaleType="fitCenter"
android:src="#drawable/chord_box1"
/>
<LinearLayout
android:id="#+id/tabgrid"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignBottom="#+id/imageView1"
android:layout_alignTop="#+id/imageView1"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:gravity="center_horizontal"
android:orientation="vertical"
android:weightSum="10" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="10dp"
android:layout_weight="1"
android:gravity="center_horizontal"
android:orientation="horizontal"></LinearLayout>
<LinearLayout
android:id="#+id/firstrow"
android:layout_width="match_parent"
android:layout_height="10dp"
android:layout_weight="1.15"
android:gravity="center_horizontal"
android:orientation="horizontal" >
<Button
android:id="#+id/empty1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text=""
android:visibility="invisible" />
<TextView
android:id="#+id/fretposition1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_weight="1"
android:gravity="center"
android:text="1"
android:textColor="#000000"/>
<TextView
android:id="#+id/fretposition2"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_weight="1"
android:gravity="center"
android:text="2"
android:textColor="#000000"/>
<TextView
android:id="#+id/fretposition3"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_weight="1"
android:gravity="center"
android:text="3"
android:textColor="#000000"/>
<TextView
android:id="#+id/fretposition4"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_weight="1"
android:gravity="center"
android:text="4"
android:textColor="#000000"/>
<TextView
android:id="#+id/fretposition5"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_weight="1"
android:gravity="center"
android:text="5"
android:textColor="#000000"/>
<Button
android:id="#+id/empty2"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button"
android:visibility="invisible" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="10dp"
android:layout_alignTop="#+id/firstrow"
android:layout_weight="1.15"
android:gravity="center_horizontal"
android:orientation="horizontal" >
<Button
android:id="#+id/empty4"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55"
android:text=""
android:visibility="invisible" />
<Button
android:id="#+id/fret10"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginRight="-20dp"
android:layout_weight="1"
android:background="#drawable/no_press1"
android:text=""
android:textColor="#ffffff" />
<Button
android:id="#+id/fret11"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret12"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="2"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret13"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="3"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret14"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="4"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret15"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/empty3"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button"
android:visibility="invisible" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="10dp"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_weight="1.15"
android:gravity="center_horizontal"
android:orientation="horizontal" >
<Button
android:id="#+id/empty5"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55"
android:text=""
android:visibility="invisible" />
<Button
android:id="#+id/fret20"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginRight="-20dp"
android:layout_weight="1"
android:background="#drawable/no_press1"
android:text=""
android:textColor="#ffffff" />
<Button
android:id="#+id/fret21"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret22"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="2"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret23"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="3"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret24"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="4"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret25"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/empty6"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button"
android:visibility="invisible" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="10dp"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_weight="1.15"
android:gravity="center_horizontal"
android:orientation="horizontal" >
<Button
android:id="#+id/empty7"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55"
android:text=""
android:visibility="invisible" />
<Button
android:id="#+id/fret30"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginRight="-20dp"
android:layout_weight="1"
android:background="#drawable/no_press1"
android:text=""
android:textColor="#ffffff" />
<Button
android:id="#+id/fret31"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret32"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="2"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret33"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="3"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret34"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="4"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret35"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/empty8"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button"
android:visibility="invisible" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="10dp"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_weight="1.15"
android:gravity="center_horizontal"
android:orientation="horizontal" >
<Button
android:id="#+id/empty9"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55"
android:text=""
android:visibility="invisible" />
<Button
android:id="#+id/fret40"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginRight="-20dp"
android:layout_weight="1"
android:background="#drawable/no_press1"
android:text=""
android:textColor="#ffffff" />
<Button
android:id="#+id/fret41"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret42"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="2"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret43"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="3"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret44"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="4"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret45"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/empty10"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text=""
android:visibility="invisible" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="10dp"
android:layout_marginBottom="10dp"
android:layout_weight="1.15"
android:gravity="center_horizontal"
android:orientation="horizontal" >
<Button
android:id="#+id/empty11"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55"
android:text=""
android:visibility="invisible" />
<Button
android:id="#+id/fret50"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginRight="-20dp"
android:layout_weight="1"
android:background="#drawable/no_press1"
android:text=""
android:textColor="#ffffff" />
<Button
android:id="#+id/fret51"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret52"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="2"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret53"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="3"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret54"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="4"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret55"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/empty12"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text=""
android:visibility="invisible" />
</LinearLayout>
<Button
android:id="#+id/empty13"
android:layout_width="0dp"
android:layout_height="10dp"
android:layout_weight="1.15"
android:text=""
android:visibility="invisible" />
</LinearLayout>
</RelativeLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal">
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=""
android:id="#+id/radioButton"
android:clickable="false"
android:checked="false"
android:visibility="gone" />
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=""
android:id="#+id/radioButton2"
android:clickable="false"
android:visibility="gone" />
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=""
android:id="#+id/radioButton3"
android:clickable="false"
android:visibility="gone" />
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=""
android:id="#+id/radioButton4"
android:clickable="false"
android:visibility="gone" />
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=""
android:id="#+id/radioButton5"
android:clickable="false"
android:visibility="gone" />
</LinearLayout>
</LinearLayout>
My drawables:
You can move all your dp values to dimen.xml, dimen.xml(large), etc. , and set different values for all screensizes.
You have to create different layouts (.xmls) for different different screen resolutions and place it in layout folder accordingly
res/layout/my_layout.xml // layout for normal screen size ("default")
res/layout-small/my_layout.xml // layout for small screen size
res/layout-large/my_layout.xml // layout for large screen size
res/layout-xlarge/my_layout.xml // layout for extra large screen size
res/layout-xlarge-land/my_layout.xml // layout for extra large in landscape orientation
Or else you have to create layout without hardcoded heights or widths and with the help of scrollViews you can access that view

Buttons distributed on top of an image, that stay in the same position no mater the screensize

I am making an app in which I am doing the following:
25 buttons (the red, 5x5) that are equally distributed throughout an image in the background and on the left side 5 buttons (brown) a bit closer to the edge.
I have looked at a few similar questions here, with relative layout, but the problem is that as soon as I adjust for one screen size, it doesn't fit with another any more...
Here is how it looks on my phone screen:
On other screensizes:
Here is my code:
(a bunch of code before that, but part about the image):
<ImageView
android:id="#+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:scaleType="fitXY"
android:src="#drawable/chord_box1" />
<LinearLayout
android:id="#+id/firstrow"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignBottom="#+id/imageView1"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:gravity="center_horizontal"
android:orientation="vertical"
android:weightSum="10" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_weight="4"
android:gravity="center_horizontal"
android:orientation="horizontal" >
<Button
android:id="#+id/empty1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button"
android:visibility="invisible" />
<TextView
android:id="#+id/fretposition1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_weight="1"
android:gravity="center"
android:text="1" />
<TextView
android:id="#+id/fretposition2"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_weight="1"
android:gravity="center"
android:text="2" />
<TextView
android:id="#+id/fretposition3"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_weight="1"
android:gravity="center"
android:text="3" />
<TextView
android:id="#+id/fretposition4"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_weight="1"
android:gravity="center"
android:text="4" />
<TextView
android:id="#+id/fretposition5"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_weight="1"
android:gravity="center"
android:text="5" />
<Button
android:id="#+id/empty2"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button"
android:visibility="invisible" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_weight="1.1"
android:gravity="center_horizontal"
android:orientation="horizontal" >
<Button
android:id="#+id/empty4"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55"
android:text=""
android:visibility="invisible" />
<Button
android:id="#+id/fret10"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginRight="-20dp"
android:layout_weight="1"
android:background="#drawable/no_press1"
android:text=""
android:textColor="#ffffff" />
<Button
android:id="#+id/fret11"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret12"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="2"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret13"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="3"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret14"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="4"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret15"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/empty3"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button"
android:visibility="invisible" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_weight="1"
android:gravity="center_horizontal"
android:orientation="horizontal" >
<Button
android:id="#+id/empty5"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55"
android:text=""
android:visibility="invisible" />
<Button
android:id="#+id/fret20"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginRight="-20dp"
android:layout_weight="1"
android:background="#drawable/no_press1"
android:text=""
android:textColor="#ffffff" />
<Button
android:id="#+id/fret21"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret22"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="2"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret23"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="3"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret24"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="4"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret25"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/empty6"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button"
android:visibility="invisible" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_weight="1"
android:gravity="center_horizontal"
android:orientation="horizontal" >
<Button
android:id="#+id/empty7"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55"
android:text=""
android:visibility="invisible" />
<Button
android:id="#+id/fret30"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginRight="-20dp"
android:layout_weight="1"
android:background="#drawable/no_press1"
android:text=""
android:textColor="#ffffff" />
<Button
android:id="#+id/fret31"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret32"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="2"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret33"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="3"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret34"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="4"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret35"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/empty8"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button"
android:visibility="invisible" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_weight="1"
android:gravity="center_horizontal"
android:orientation="horizontal" >
<Button
android:id="#+id/empty9"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55"
android:text=""
android:visibility="invisible" />
<Button
android:id="#+id/fret40"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginRight="-20dp"
android:layout_weight="1"
android:background="#drawable/no_press1"
android:text=""
android:textColor="#ffffff" />
<Button
android:id="#+id/fret41"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret42"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="2"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret43"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="3"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret44"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="4"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret45"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/empty10"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text=""
android:visibility="invisible" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="10dp"
android:layout_weight="1"
android:gravity="center_horizontal"
android:orientation="horizontal" >
<Button
android:id="#+id/empty11"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55"
android:text=""
android:visibility="invisible" />
<Button
android:id="#+id/fret50"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginRight="-20dp"
android:layout_weight="1"
android:background="#drawable/no_press1"
android:text=""
android:textColor="#ffffff" />
<Button
android:id="#+id/fret51"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret52"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="2"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret53"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="3"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret54"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="4"
android:textColor="#ffffff" />
<Button
android:id="#+id/fret55"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/finger1"
android:text="1"
android:textColor="#ffffff" />
<Button
android:id="#+id/empty12"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text=""
android:visibility="invisible" />
</LinearLayout>
<Button
android:id="#+id/empty13"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text=""
android:visibility="invisible" />
</LinearLayout>
</RelativeLayout>
I've made the first row and tried to make it fit, but I'm not sure how to make it fit on different screens. Is this the right way to do it, or should it maybe be done on the java code instead of the xml?
Change the layout_height of your top-level LinearLayout to "match_parent". Then it will cover the entire screen vertically.
<LinearLayout
android:id="#+id/firstrow"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignBottom="#+id/imageView1"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:gravity="center_horizontal"
android:orientation="vertical"
android:weightSum="10" >
You might need to re-adjust the weights to make it look exactly as it did before.

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