FlowLayout


Source link: https://github.com/ch4vi/FlowLayout

FlowLayout – Android Layout Manager

A LayoutManager that must be used with RecyclerView inspired by Flow Layout for iOS.

The layout manager places cells on a linear path and fits as many cells along that line as it can. When the layout manager runs out of room on the current line, it creates a new line and continues the layout process there.

Compile

Using Gradle

Requires Min SDK version >= 10


 compile 'com.ch4vi.flowlayoutmanager:flowlayoutmanager:1.0.2' 

Using Maven


 <dependency>

 <groupId>com.ch4vi.flowlayoutmanager</groupId>

 <artifactId>flowlayoutmanager</artifactId>

 <version>1.0.2</version>

 <type>pom</type>
  </dependency> 

Usage

First of all add a RecyclerView to your layout

 <android.support.v7.widget.RecyclerView

android:id="@+id/recycler_view"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:layout_below="@+id/button_center"

android:background="@color/e"

android:scrollbars="vertical" />

Then in your class initialize the RecyclerView, in this case with 3 columns, vertical orientation and the first cell size will be 1x1, the second 2x2...

 val manager = FlowLayoutManager(3, RecyclerView.VERTICAL, object : FlowLayoutManager.Interface {

override fun getProportionalSizeForChild(position: Int): Pair<Int, Int> {

 return when (position) {

0 -> Pair(1, 1)

1 -> Pair(2, 2)

2 -> Pair(4, 1)

3 -> Pair(3, 2)

else -> Pair(1, 1)

 
}

}

  
}
)
  recyclerView.layoutManager = manager

Note If we add a cell too big for example if we have 3 columns and we add a cell 4x1, this cell will be ommited in the drawing process.

Optionally you can add a custom space between the cells adding a dimen resource named "default_card_insets" and setting an item decoration to your RecyclerView like in the example

 <dimen name="default_card_insets">8dp</dimen>
 recyclerView.addItemDecoration(manager.InsetDecoration(this))

Demo

Credits

License

FlowLayout is license under the Apache License.

Resources

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A helper to extract the streaming URL from a YouTube video.

Animated SVG Drawing for Android.

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