Hauler is an Android library containing custom layout which enables to easily create swipe to dismiss Activity.
Implementation is based on code from project Plaid.
dependencies {
implementation("app.futured.hauler:hauler:latestVersion")
// optional dependency with set of Data Binding adapters
implementation("app.futured.hauler:databinding:latestVersion")
}Add new maven repo to your top level gradle file.
maven { url "https://oss.sonatype.org/content/repositories/snapshots" }Snapshots are grouped based on major version, so for version 5.x.x use:
implementation "app.futured.hauler:hauler:5.X.X-SNAPSHOT"Hauler library comes with highly customizable HaulerView which provides swipe to dismiss functionality.
It also ships with databinding module which contains Binding Adapters for smoother experience with Android Data Binding implementation.
Activity which is meant to be dismissed must contain HaulerView as a root view and NestedScrollView (or other View what supports nested scroll)
as its child. Make sure your NestedScrollview's attribute android:fillViewport is set to true otherwise it might not behave as
expected:
<app.futured.hauler.HaulerView
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/haulerView"
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.core.widget.NestedScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true">
<!-- your layout-->
</androidx.core.widget.NestedScrollView>
</app.futured.hauler.HaulerView>Secondly, define translucent floating Theme and assign it to the Activity you want to give dismiss ability:
<style name="AppTheme.Draggable" parent="Theme.AppCompat.Light.NoActionBar">
<item name="android:colorBackgroundCacheHint">@null</item>
<item name="android:windowContentOverlay">@null</item>
<item name="android:windowIsFloating">false</item>
<item name="android:windowIsTranslucent">true</item>
<item name="android:windowNoTitle">true</item>
<item name="android:windowBackground">@color/dark_gray</item>
</style><activity
android:name=".draggable.SimpleUsageActivity"
android:theme="@style/AppTheme.Draggable"/>Set onDragDismissListener to react properly to user dismiss request. Example implementation might look like this:
override fun onCreate(savedInstanceState: Bundle?) {
// ...
haulerView.setOnDragDismissedListener {
finish() // finish activity when dismissed
}
}There are few styleable attributes you might want to use to customize your HaulerView:
<app.futured.hauler.HaulerView
android:layout_width="match_parent"
android:layout_height="match_parent"
app:dragDismissDistance="112dp"
app:dragDismissFraction="0.9"
app:dragElasticity="0.7"
app:dragDismissScale="0.95"/>| Attribute name | Type | Default value | Description |
|---|---|---|---|
app:dragDismissDistance |
dimen | 100dp | Distance which should be View swiped to consider Activity as dismissed |
app:dragDismissFraction |
float | unspecified | <0;1> - Fraction of View's height we should reach swiping to consider Activity as dismissed |
app:dragElasticity |
float | 0.8 | <0;1> - Toughness of swipe. Higher value indicates more rigid feeling |
app:dragDismissScale |
float | 0.95 | <0;1> - Scale factor of View while performing swipe action |
app:dragUpEnabled |
boolean | false | Flag indicating if drag up dismiss gesture is enabled |
app:fadeSystemBars |
boolean | true | Flag indicating if system bars (status & navigation) fades while dismiss is in progress |
Attributes dragDismissDistance and dragDismissFraction are exclusive. Do not use them together.
Hauler is available under the MIT license. See the LICENSE file for more information.
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