SwipeBack is an android library that can finish a activity by using gesture.
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Latest commit 36e556a Sep 6, 2017

README.md

SwipeBackLayout

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SwipeBackLayout is an android library that can finish an activity by using gesture.

You can set the slide direction,such as FROM_LEFT,FROM_TOP,FROM_RIGHT and FROM_BOTTOM.

You can also set whether it can only slide from the edge.

Screenshots

Custom-Style WeChat-Style
SwipeBackLayoutDemo SwipeBackLayoutDemo-WeChat

Sample Apk Download

sample apk download

Usage

Gradle
dependencies {
    compile 'com.gongwen:swipeback:1.0.2'
}
Layout
<com.gw.swipeback.SwipeBackLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/swipeBackLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:directionMode="left"
    app:isSwipeFromEdge="true"
    app:maskAlpha="125"
    app:swipeBackFactor="0.5">

	<!-- SwipeBackLayout must contains only one direct child -->

</com.gw.swipeback.SwipeBackLayout>
<com.gw.swipeback.WxSwipeBackLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/swipeBackLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:directionMode="left"
    app:isSwipeFromEdge="true"
    app:maskAlpha="125"
    app:swipeBackFactor="0.5">

	<!-- WxSwipeBackLayout must contains only one direct child -->

</com.gw.swipeback.WxSwipeBackLayout>

Attention: If you are using WxSwipeBackLayout , you must call WxSwipeBackActivityManager.getInstance().init(this) to init it in Application. just like :

public class MainApplication extends Application {
    @Override
    public void onCreate() {
        super.onCreate();
        WxSwipeBackActivityManager.getInstance().init(this);
    }
}
Attributes
Attribute 属性 Description 描述
swipeBackFactor set the factor of swipeback
maskAlpha set the background alpha at the beginning of swipeback
directionMode set the direction of swiping to finish
isSwipeFromEdge set whether it can only slide from the edge
Code
public void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    //SwipeBackLayout is included in the layout
    setContentView(layoutId);
    SwipeBackLayout mSwipeBackLayout = (SwipeBackLayout) findViewById(R.id.swipeBackLayout);
    mSwipeBackLayout.setDirectionMode(SwipeBackLayout.FROM_LEFT);
    mSwipeBackLayout.setMaskAlpha(125);
    mSwipeBackLayout.setSwipeBackFactor(0.5f);
    mSwipeBackLayout.setSwipeBackListener(new SwipeBackLayout.OnSwipeBackListener() {
        @Override
        public void onViewPositionChanged(View mView, float swipeBackFraction, float SWIPE_BACK_FACTOR) {
            
        }
    
        @Override
        public void onViewSwipeFinished(View mView, boolean isEnd) {
    
        }
    });
}

or

public void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    SwipeBackLayout mSwipeBackLayout = new SwipeBackLayout(this);
    mSwipeBackLayout.addView(contentView);
    setContentView(mSwipeBackLayout);
}

or

public void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    //SwipeBackLayout is not included in the layout
    setContentView(layoutId);
    mSwipeBackLayout = new SwipeBackLayout(this);
    mSwipeBackLayout.attachToActivity(this);
}
Theme
<style name="Theme.Swipe.Back.NoActionBar" parent="AppTheme">
    <item name="android:windowIsTranslucent">true</item>
    <item name="android:windowBackground">@android:color/transparent</item>
</style>

Support Views

SwipeBackLayout must contains only one direct child.

Such as:

  • LinearLayout,RelativeLayout,FrameLayout,TableLayout etc.
  • ScrollView,HorizontalScrollView,NestedScrollView etc.
  • RecyclerView,the subClass of AbsListView(ListView etc.)
  • ViewPager,WebView etc.

reference

ViewDragHelper详解
SwipeBack
BGASwipeBackLayout-Android

License

Copyright (C) 2017 1798550470@qq.com

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.