CODEWITHSUNDEEP
androidandroid-layoutandroid-studio
PEEHU GANDHI
PEEHU GANDHI

Reputation: 75

Constraint layout is not visible in android studio

My problem I created an app in the android studio, its .xml file (design) is not visible although its text is visible to me, Please provide a solution

Here is how it looks:

here is how it looks

my text file(.xml)

<?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=".MainActivity">

<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Hello World!"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toTopOf="parent"
    app:layout_constraintVertical_bias="0.52" />

<EditText
    android:id="@+id/editText"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:ems="10"
    android:inputType="numberDecimal"
    tools:ignore="MissingConstraints"
    tools:layout_editor_absoluteX="148dp"
    tools:layout_editor_absoluteY="137dp" />

<Button
    android:id="@+id/button"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Button"
    tools:ignore="MissingConstraints"
    tools:layout_editor_absoluteX="0dp"
    tools:layout_editor_absoluteY="0dp" />

<android.support.v7.widget.RecyclerView
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:ignore="MissingConstraints"
    tools:layout_editor_absoluteX="8dp"
    tools:layout_editor_absoluteY="8dp" />

<TextView
    android:id="@+id/textView"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="TextView"
    tools:ignore="MissingConstraints"
    tools:layout_editor_absoluteX="217dp"
    tools:layout_editor_absoluteY="67dp" />

///Please provide solution for this

Upvotes: 0

Views: 7196

Answers (4)

Shree
Shree

Reputation: 795

make sure you have added below dependency in your build.gradle(Module:app) file.

 implementation 'com.android.support.constraint:constraint-layout:1.0.2'

Upvotes: 0

tj2611
tj2611

Reputation: 327

Try invalidate and restart.

File->Invalidate and Restart

Upvotes: 0

prashant17
prashant17

Reputation: 1550

enter image description here

Try changing your API Version in Editor

EDIT

Try syncing project

enter image description here

Upvotes: 0

No Name
No Name

Reputation: 470

I think the solution for your problem is just change the theme of your style from 

    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">

change to 

    <style name="AppTheme" parent="Base.Theme.AppCompat.Light.NoActionBar">

Upvotes: 1

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