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Slidr

(★ 2,645)

Easily add slide to dismiss functionality to an Activity

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# Installation Guide

1. Get the code

git clone https://github.com/r0adkll/Slidr

Downloads the entire project code from GitHub to your computer.

cd Slidr

Moves into the project folder you just downloaded.

2. Gradle (Java/Kotlin)

Medium Recommended

Prerequisites

Git Needed to download the project code from GitHub.
JDK (Java) Required to build and run Java/Kotlin projects.
Gradle If the repo includes gradlew (Gradle Wrapper), you don't need to install Gradle separately.

Include this line in your gradle build file:

Builds the project using Gradle.

For Snapshots, include these lines in your gradle files:

Builds the project using Gradle.

✅ A BUILD SUCCESSFUL message means it worked. The output is created under build/.

Pulled directly from this repo's README.

// repository documentation

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# Deprecated
This library is no longer supported as the modern convention of building Android apps switches from multi-Activity to single-Activity. If you are looking for similar behavior look into supporting Android's new [predictive back handling](https://developer.android.com/guide/navigation/custom-back/predictive-back-gesture)

Slidr
================
[![Maven Central](https://maven-badges.herokuapp.com/maven-central/com.r0adkll/slidableactivity/badge.svg?style=flat)](https://maven-badges.herokuapp.com/maven-central/com.r0adkll/slidableactivity) [![Android Arsenal](https://img.shields.io/badge/Android%20Arsenal-Slidr-brightgreen.svg?style=flat)](https://android-arsenal.com/details/1/1364)
[![Build Status](https://travis-ci.org/r0adkll/Slidr.svg?branch=master)](https://travis-ci.org/r0adkll/Slidr)

Easily add slide-to-dismiss functionality to your Activity by calling `Slidr.attach(this)` in your `onCreate(..)` method.

![Slidr Example](https://raw.githubusercontent.com/r0adkll/Slidr/master/images/slidr_gif.gif "Gif Example")

## Usage

An example usage:

```java
public class ExampleActivity extends <Activity|FragmentActivity|ActionBarActivity> {

@Override
	public void onCreate(Bundle savedInstanceState){
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_example);
		int primary = getResources().getColor(R.color.primaryDark);
		int secondary = getResources().getColor(R.color.secondaryDark);
		Slidr.attach(this, primary, secondary);
	}

}
```

or

```java
public class ExampleActivity extends <Activity|FragmentActivity|ActionBarActivity> {

@Override
	public void onCreate(Bundle savedInstanceState){
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_example);
        	Slidr.attach(this);
	}

}
```

## Fragments
The activity must extend FragmentActivity.
Set the background to the main container of the activity in the xml `background="@android:color/transparent"`.
Add the following code to the Fragment:

```java
// This interface is needed to see if the fragment
// is resuming after creation (Slidr to be attached) or
// simply from the background (app was paused before).
SlidrInterface slidrInterface;

@Override
public void onResume() {
    super.onResume();
    if(slidrInterface == null)
        slidrInterface = Slidr.replace(getView().findViewById(R.id.content_container), new SlidrConfig.Builder().position(SlidrPosition.LEFT).build());
}
```
In the xml of the fragment's view, the root view must be a FrameLayout with the same background set to the activity before. Add a child viewgroup to it with the id content_container. E.g.:

```xml
<FrameLayout
    android:id="@+id/main_container"
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@android:color/transparent">
    
    <android.support.design.widget.CoordinatorLayout
        android:id="@+id/content_container"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
	
		...other stuff

</android.support.design.widget.CoordinatorLayout>
</FrameLayout>
```
Remember: you have to add new Fragments with:

```java 
getSupportFragmentManager().beginTransaction()
	.add(R.id.fragment_container, YourFragmentClass.newInstance())
	.commit();
```

where fragment_container is the id of a FrameLayout inside the activity's xml.

## Configuring

```java
SlidrConfig config = new SlidrConfig.Builder()
	.primaryColor(getResources().getColor(R.color.primary)
	.secondaryColor(getResources().getColor(R.color.secondary)
	.position(SlidrPosition.LEFT|RIGHT|TOP|BOTTOM|VERTICAL|HORIZONTAL)
	.sensitivity(1f)
	.scrimColor(Color.BLACK)
	.scrimStartAlpha(0.8f)
	.scrimEndAlpha(0f)
	.velocityThreshold(2400)
	.distanceThreshold(0.25f)
	.edge(true|false)
	.edgeSize(0.18f) // The % of the screen that counts as the edge, default 18%
	.listener(new SlidrListener(){...})
	.build();

Slidr.attach(this, config);

```

---

`Slidr.attach(...)` will return a `SlidrInterface` which gives you access to two methods:

```java
SlidrInterface.lock();
SlidrInterface.unlock();
```

These methods lock or unlock the slidable touch interface.

The theme that you use for your sliding activity must have these attributes set:

```xml
<item name="android:windowIsTranslucent">true</item>  
<item name="android:windowBackground">@android:color/transparent</item>
```

Then in the layout of your activity you must give it a background like this;

```xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/background_material_light">

...
```

## Including in your project

Include this line in your gradle build file:

```groovy
implementation 'com.r0adkll:slidableactivity:2.1.0'
```

<!--  
For Snapshots, include these lines in your gradle files:

```groovy
repositories {
    jcenter()
    maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
}
```

```groovy
dependencies{
	implementation 'com.r0adkll:slidableactivity:2.0.7-SNAPSHOT'
}
```
-->

## Author

-	Drew Heavner, **[r0adkll](http://r0adkll.com)**

## License

Copyright (c) 2014 Drew Heavner

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.