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[Currently unmaintained]

Tag Sphere View

Preview-logo

Overview

An Android library to implement an animated tag sphere

  • API SDK 21+
  • Written in Kotlin
  • Supports customization

Dependency

Add this in your root build.gradle file:

allprojects {
	repositories {
        maven { url "https://jitpack.io" }
    }
}

Then, add the library to your module build.gradle:

dependencies {
    implementation 'com.github.magic-goop:tag-sphere:LATEST.RELEASE.HERE'
}

Usage

Add widget in your xml layout like this:

<com.magicgoop.tagsphere.TagSphereView
    android:id="@+id/tagView"    
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

In code add list of tags you want to display:

(0..40).map {
  TextTagItem(text = "Some text $it")
}.toList().let {
  tagView.addTagList(it)
}

You can change text appearance via:

tagView.setTextPaint(
  TextPaint().apply {
    isAntiAlias = true
    textSize = resources.getDimension(R.dimen.tag_text_size)
    color = Color.DKGRAY
  }
)
Note: .setTextPaint should be called before setting tags list

Library supports different types of customization

Preview-demo

Xml Code Notes
app:radius="1.5" tagView.setRadius(1.5f) Radius of sphere. Bigger value is then lesser radius will be. Value limited from 1f to 10f
app:touchSensitivity="5" tagView.setTouchSensitivity(5) Touch sensitivity. Bigger value is then slower sphere will be rotated. Value limited from 1 to 100
app:rotateOnTouch="false" tagView.rotateOnTouch(false) Allow rotate sphere on touch
app:easingFunction="easeIn" tagView.setEasingFunction { EasingFunction.easeIn(it) } Specifies easing function to control how tags are drawn in relation of z coordinate.

Set next listeners to get click callbacks:

tagView.setOnLongPressedListener(this)
tagView.setOnTagTapListener(this)

For more information checkout example project in repository.

Limitations

All drawing and computation done on UI thread hence there could be frames drops on slow devices or with big amount of objects to render.

Issues

If you find any problems or would like to suggest a feature, please feel free to file an issue

Some examples of what you can do with this library

Showcase 1 Showcase 2 Showcase 3

License

Copyright 2020 Alexander Rychkov

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.