This view is not constrained

Question

I get the following error and I am using Android studio 2 2 Preview 3  I searched Google but couldn t find any resources   Error  This view is not constrained  it only has design time positions  so it will jump to  0 0  unless you add constraints      lt TextView         android layout width  384dp          android layout height  207dp          android textAppearance   android attr textAppearanceLarge          android text   string calc default display          android id    id textView          android background   ffffff          android layout margin  0dp          android gravity  bottom end          android textSize  70sp          android nestedScrollingEnabled  false          android maxLines  2          android maxLength  17          tools layout editor absoluteX  0dp          tools layout editor absoluteY  0dp    gt

User · Answer

Right-click on the widget and choose  center  -   horizontally   Then choose  center -  vertically

User · Answer

After clicking on the magic wand icon to infer constraints   1  In Projects window  go to Gradle Scripts   build gradle  Module app   2  Scroll down to dependencies  3  Look for implementation  com android support appcompat-v7 28 0 0-beta03   4  Change this line to implementation  com android support appcompat-v7 28 0 0-alpha1   5  A banner should pop up at the top of the window  click Sync Now in the right corner   This works for Android Studio v3 1 click for image of edit to build gradle file

User · Answer

You just have to right-click on the widget and choose  center  -   horizontally  and do it again then choose -  vertically  This worked for me

User · Answer

You need to give a value to the constraints manually when using the new layout editor or the missing constraints can be added automatically by clicking the magic wand button in the toolbar menu of the design preview

User · Answer

When creating a layout  it s easier to work with one control at a time  instead of adding them all at once   From the Layouts Palette  drag a ConstraintLayout to the screen   Move your desired controls inside the ConstraintLayout   So the ConstraintLayout will now be the control s parents  and if you switch to the xml code  the controls will be nested under the ConstraintLayout   Right click on your control  select Constraint from the menu  and select how you want to align it to the parent ConstraintLayout  top  start  etc   If you need to align two controls relative to each other  select both controls at the same time with the Ctrl key  then right click to open the constrain menu    More info  https   developer android com training constraint-layout     You can specify the constraint separation distance in the Constraint Layout tab

User · Answer

Alright so I know this answer is old  but I found out how to do this for version 3 1 4  So for me this error occurs whenever I put in a new item into the hierarchy  so I knew I needed a solution  After tinkering around for a little bit I found how to do it by following these steps    Right click the object and go to Center       Then select Horizontally       Repeat those steps  except click Vertically instead of Horizontally    Provided that that method still works  after step two you should see squiggly lines going horizontally across where the item is  and after step three  both horizontally and vertically  After step three  the error will go away

User · Answer

To quickly resolve this  use this very helpful shortcut in Android Studio   Right-click widget-in-question   Constraint Layout   Infer Constraints     Thereafter  you can tweak the constraints as described here   https   stackoverflow com a 37960888 5556250  Update  This is not correct for the Android Studio v3 and up  As per  purpleladydragons s comment       Constraint Layout  is not in the dropdown menu  Use the magic wand icon in the toolbar menu above the design preview  there is the  Infer Constraints  button

User · Answer

From Android Studio v3 and up  Infer Constraint was removed from the dropdown   Use the magic wand icon in the toolbar menu above the design preview  there is the  Infer Constraints  button  Click on this button  this will automatically add some lines in the text field and the red line will be removed

User · Answer

Right Click in then designing part on that component in which you got error and follow these steps     for ex  if error occur in Plain Text      Plain Text Constraint Layout   Infer Constraints   finally error has gone

User · Answer

you can go to the XML file then focus your mouse cursor into your button  text view or whatever you choose for your layout  then press Alt   Enter to fix it  after that the error will be gone it works for me

User · Answer

you can try this   1  ensure you have added     compile  com android support design 25 3 1   maybe you also should add compile  com android support constraint constraint-layout 1 0 2    2    3 click the Infer Constraints  hope it can help you

User · Answer

Just click this and it will be solved

[java] This view is not constrained

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