IssueTracker

Can you explain in detail about the formatting issue in XML layout files? Can you share a sample project or a video record of the issue you are facing? Thanks.

Spam hacker

Follow the video showing the problem with formatting the code.

He is moving the components.

https://photos.app.goo.gl/Q8bMq82xu9u5LpPa6

Thank you for your feedback. Team may reach out for more feedback in reproducing or triaging this issue.

Also found in AI-191.6183.20.35.5409101 , reported in  b/129586744

How is this not a P1 S1?

It rearranged my view order so that views with a background now overlay other views which should be in the background. 3.5, canary 9

If you need sth. to reproduce, take this layout:

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
   
    <View
      android:layout_width="match_parent"
      android:background="#000"
      android:layout_height="match_parent" />

    <TextView
      android:text="Blabla"
      android:layout_gravity="center"
      android:textColor="#FFF"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content" />
   
</FrameLayout>


It displays white text on a black background.
If you now reformat the code, it moves the TextView to the top so the screen is completely black.

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="match_parent"
  android:layout_height="match_parent">

    <TextView
      android:text="Blabla"
      android:layout_gravity="center"
      android:textColor="#FFF"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content" />

    <View
      android:layout_width="match_parent"
      android:background="#000"
      android:layout_height="match_parent" />

</FrameLayout>

Video attached. Sorry for the too many posts, if I could edit my post I would have done it.

This is a 3.5 regression. 3.4 is fine.

Also in version 3.5.10 occurred.

The workaround for this is to go to Code Style > XML and remove some of the entries that reorder tags alphabetically.

When was this fixed? I got the same problem on canary 10, and canary 11 release doesn't reference it.

The fix should be in Canary 12

This still happens in Canary 12

@nicolaverbeeck@gmail.com Please send me your codestyles/Default.xml file. On my Linux it lives at ~/.AndroidStudio3.4/config/codestyles/Default.xml.

Make sure it's the one your 3.5 Canary 12 is using

I also upgraded and the problem persists.
Attached is the codestyle.

@contact@drivvo.com That's expected. I see that you've removed <order>BY_NAME</order> from

        <section>
          <rule>
            <match>
              <AND>
                <NAME>xmlns:.*</NAME>
                <XML_NAMESPACE>^$</XML_NAMESPACE>
              </AND>
            </match>
            <!-- <order>BY_NAME</order> goes here -->
          </rule>
        </section>

If you put it back and restart Studio, you should get the fixed rules which don't rearrange elements

I only overwrite old arrangement rules with the fixed new ones if they're all equal to the old default. If a user has changed them from the default, I don't overwrite them to preserve user customization. For the record, the complete set of fixed new rules look like the following. The only difference is the <XML_ATTRIBUTE /> elements that make them match attributes and not elements.

    <arrangement>
      <rules>
        <section>
          <rule>
            <match>
              <AND>
                <NAME>xmlns:android</NAME>
                <XML_ATTRIBUTE />
                <XML_NAMESPACE>^$</XML_NAMESPACE>
              </AND>
            </match>
          </rule>
        </section>
        <section>
          <rule>
            <match>
              <AND>
                <NAME>xmlns:.*</NAME>
                <XML_ATTRIBUTE />
                <XML_NAMESPACE>^$</XML_NAMESPACE>
              </AND>
            </match>
            <order>BY_NAME</order>
          </rule>
        </section>
        <section>
          <rule>
            <match>
              <AND>
                <NAME>.*:id</NAME>
                <XML_ATTRIBUTE />
                <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
              </AND>
            </match>
          </rule>
        </section>
        <section>
          <rule>
            <match>
              <AND>
                <NAME>.*:name</NAME>
                <XML_ATTRIBUTE />
                <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
              </AND>
            </match>
          </rule>
        </section>
        <section>
          <rule>
            <match>
              <AND>
                <NAME>name</NAME>
                <XML_ATTRIBUTE />
                <XML_NAMESPACE>^$</XML_NAMESPACE>
              </AND>
            </match>
          </rule>
        </section>
        <section>
          <rule>
            <match>
              <AND>
                <NAME>style</NAME>
                <XML_ATTRIBUTE />
                <XML_NAMESPACE>^$</XML_NAMESPACE>
              </AND>
            </match>
          </rule>
        </section>
        <section>
          <rule>
            <match>
              <AND>
                <NAME>.*</NAME>
                <XML_ATTRIBUTE />
                <XML_NAMESPACE>^$</XML_NAMESPACE>
              </AND>
            </match>
            <order>BY_NAME</order>
          </rule>
        </section>
        <section>
          <rule>
            <match>
              <AND>
                <NAME>.*</NAME>
                <XML_ATTRIBUTE />
                <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
              </AND>
            </match>
            <order>ANDROID_ATTRIBUTE_ORDER</order>
          </rule>
        </section>
        <section>
          <rule>
            <match>
              <AND>
                <NAME>.*</NAME>
                <XML_ATTRIBUTE />
                <XML_NAMESPACE>.*</XML_NAMESPACE>
              </AND>
            </match>
            <order>BY_NAME</order>
          </rule>
        </section>
      </rules>
    </arrangement>

Attaching Versions 1, 2, and 3 of the default code style settings for my own debugging purposes

I removed the "~/Library/Preferences/AndroidStudioPreview3.5" directory, and started AndroidStudio again.

This solved the problem.

Solved by applying the provided xml in #19  to the projects code style settings manually

Yes, it is solved by manually adjusting the xml. For those who use Project specific settings you need to visit "~~projectDir~~/.idea/codeStyles/Project.xml" and edit that since the menu is missing from C12 release. Can you confirm this will be done automatically in future releases though?

It should happen automatically if the user stuck to the defaults. I don't mess with the settings if they've changed them.

Traxe

Using the XML from #19 works for me.

I removed the following:

<section>
          <rule>
            <match>
              <AND>
                <NAME>xmlns:.*</NAME>
                <XML_NAMESPACE>^$</XML_NAMESPACE>
              </AND>
            </match>
            <!-- <order>BY_NAME</order> goes here -->
          </rule>
        </section>

and restarted and it worked. I believe this is because I already had the following defined:

<section>
            <rule>
              <match>
                <AND>
                  <NAME>xmlns:.*</NAME>
                  <XML_NAMESPACE>.*</XML_NAMESPACE>
                </AND>
              </match>
              <order>BY_NAME</order>
            </rule>
          </section>

I have a problem and I can not solve it in any way, I already tried restarting android studio (or the pc), I already tried to remove the `NavHostFragment` and add again and NOTHING! but the problem is this: I was working on a project and I saw a good opportunity to use this navgraph, it worked out fine, but when I added `navhostfragment` to the initial activity this error started, does anyone know how to solve it? thankful!

 

remembering that even with this error, the nav_graph is loaded correctly!

This also always appears after I create the resource file with the "navigation"
https://i.stack.imgur.com/KP1kV.png
https://i.stack.imgur.com/BPwrA.png
https://i.stack.imgur.com/5Fu3N.png

Still seeing this on 3.5 beta 3, even after deleting codeStyles/ and doing Set from -> Predefined style -> Android.

Edit: Never mind, restarted again and it's fine.

Confirmed that going through the "Matching rules" list in the Editor > Code Styles > XML > Arrangement tab, and selecting the "[attribute]" pill for each entry, does work and resolves the formatter rearranging tags in alphabetical order.

After making those changes, the `.idea/codeStyles/Project.xml` file can be committed to source control.

I love #29 solution :)

#19 completely did the trick for me.

Some people updating from 3.4 to 3.5 are encountering this issue by default. You might want to investigate and possibly fix migration in 3.5.1 before too many people upgrade and encounter the bug.

If you don't have any custom code style for your IDE

File | Settings | Editor | Code Style | XML | Arrangement

Find gear(settings) icon in the top, click it then press "restore defaults". no need to go through #19 or #30. #29 does a similar trick.

I followed the instructions on #34 and the problem was fixed.

This bug still persists in Android Studio 3.5 Build #Al-191.8026.42.35.5791312. Wanted to try #34 but non default configurations don't have "restore defaults" button.

#34 saves my situation, thanks~

Also in 3.5 code formatting stopped rearranging view attributes in alphabetical order. It's very annoying, 3.4.2 worked well.

Android Studio 3.5
Build #AI-191.8026.42.35.5791312, built on August 9, 2019

#34 solution works!

Here is the solution to fix xml format in Android studio 3.5
https://stackoverflow.com/q/57591080/4613320

3.6 Canary 8 Fixes this but another issue arose, Constraint Layout 2.0 beta 2 is not getting resolved

Error AAPT: error: resource attr/flow_horizontalSeparator (aka <application_id>:attr/flow_horizontalSeparator) not found.

Android resource linking failed
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:268:5-4347: AAPT: error: resource attr/flow_horizontalSeparator (aka <application_id>:attr/flow_horizontalSeparator) not found.
   
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:268:5-4347: AAPT: error: resource attr/flow_verticalSeparator (aka <application_id>:attr/flow_verticalSeparator) not found.
   
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:269:5-3548: AAPT: error: resource attr/flow_horizontalSeparator (aka <application_id>:attr/flow_horizontalSeparator) not found.
   
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:269:5-3548: AAPT: error: resource attr/flow_verticalSeparator (aka <application_id>:attr/flow_verticalSeparator) not found.
   
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:271:5-4382: AAPT: error: resource attr/flow_horizontalSeparator (aka <application_id>:attr/flow_horizontalSeparator) not found.
   
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:271:5-4382: AAPT: error: resource attr/flow_verticalSeparator (aka <application_id>:attr/flow_verticalSeparator) not found.
   
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:271:5-4382: AAPT: error: resource attr/motionProgress (aka <application_id>:attr/motionProgress) not found.
   
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:274:5-588: AAPT: error: resource attr/motionProgress (aka <application_id>:attr/motionProgress) not found.
   
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:275:5-652: AAPT: error: resource attr/motionProgress (aka <application_id>:attr/motionProgress) not found.
   
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:284:5-653: AAPT: error: resource attr/motionProgress (aka <application_id>:attr/motionProgress) not found.
   
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:284:5-653: AAPT: error: resource attr/waveDecay (aka <application_id>:attr/waveDecay) not found.
   
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:288:5-232: AAPT: error: resource attr/motionPathRotate (aka <application_id>:attr/motionPathRotate) not found.
   
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:290:5-295:36: AAPT: error: resource attr/motionProgress (aka <application_id>:attr/motionProgress) not found.
   
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:318:5-232: AAPT: error: resource attr/motionProgress (aka <application_id>:attr/motionProgress) not found.
   
<path to .gradle>\.gradle\caches\transforms-2\files-2.1\24f59b841c16bcb4cf0b18d7b0a5c5c0\constraintlayout-2.0.0-beta2\res\values\values.xml:322:5-335:98: AAPT: error: resource attr/duration (aka <application_id>:attr/duration) not found.

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