Keyframe Animations with ConstraintLayout and ConstraintSet

ConstraintLayout is similar to RelativeLayout and provides more flexibility than RelativeLayout. Views are placed with a relationship with each other furthermore  Android Studio layout editor provides advanced editing controls. Android application having animations gives very good user experience. Creating animations in Android are simple but still takes lots of efforts for complex animations. With ConstraintLayout we can create complex animations with fewer efforts. This tutorial will a demonstration of Keyframe Animations with ConstraintLayout and ConstraintSet.

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Keyframe Animations with ConstraintLayout and ConstraintSet Example.

Keyframe Animations with ConstraintLayout and ConstraintSet | Output

Adding ConstraintLayout Library to your project

STEP 1: Create or open existing Android Studio project. Open build.gradle of project module and add following lines to it.

 

STEP 2: Open app level build.gradle modify it and add a dependency for ConstraintLayout as given below.

 

STEP 3: Download this images and add it to res -> drawable folder 

STEP 4: Create new layout inside res -> layout -> key_frame_default.xml. This layout is the first frame of animation. Bind all the data and positioning information in this view as shown below.

STEP 5: Now create new layout res -> layout -> key_frame_one.xml. This layout will contain only positioning information.

 

STEP 6: Now we will create a new activity. So create new layout res -> layout -> content_main.xml. Add following lines to it. The layout will contain two buttons at the bottom. defaultKeyFrameButton is for moving layout to the default position. KeyFrameOneButton will move default layouts child’s positions to as defined in key_frame_one.xml layout with animation.

 

STEP 7: Create new layout  res -> layout -> activity_main.xml. add following lines to it.

 

STEP 8: Create new class package name -> MainActivity.java. Add following code to it.

TransitionManager.beginDelayedTransition():

beginDelayedTransition is Convenience method to animate to a new scene defined by all changes within the given scene root between calling this method and the next rendering frame.

constraintSet.clone(activity,layout):

This method will clone all the positioning information from the layout and will store in constraintSet object.

STEP 9: Mention this activity in manifest.xml to as shown below.

STEP 10: Run the application.

Keyframe Animations with ConstraintLayout and ConstraintSet | Output

If you still have any queries, please post them in the comments section below, I will be happy to help you. If you have any other questions in mind then make sure to visit our ask section.

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Hello there, My name is Amardeep founder of loopwiki.com. I have experience in many technologies like Android, Java, Php etc. In this variety of technologies, I love Android App Development. If you have any idea and you want me to develop for you then let’s have chat Email: [email protected]

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