Pull down to finish an Activity.
repositories { // ... maven { url "https://jitpack.io" } } dependencies { // ... support library ... // ... compile 'com.github.oxoooo:pull-back-layout:1.0.1' }
You may refer to one of our apps that already using this library: mr-mantou-android
- Make your Activity translucent by adding these two lines to your theme:
<style name="AppTheme" ...> <!-- ... --> <item name="android:windowBackground">@android:color/transparent</item> <item name="android:windowIsTranslucent">true</item> <!-- also translucent system ui -- suggested but not required --> <item name="android:windowTranslucentStatus">true</item> <item name="android:windowTranslucentNavigation">true</item> </style>
- Wraps
ooo.oxo.library.widget.PullBackLayoutaround yourImageVieworViewPager:
<ooo.oxo.library.widget.PullBackLayout android:id="@+id/puller" android:layout_width="match_parent" android:layout_height="match_parent"> <android.support.v4.view.ViewPager android:id="@+id/pager" android:layout_width="match_parent" android:layout_height="match_parent" /> </ooo.oxo.library.widget.PullBackLayout>
- Set a callback:
public class ViewerActivity extends AppCompatActivity implements PullBackLayout.Callback { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); /* ... */ puller.setCallback(this); } @Override public void onPullStart() { // fade out Action Bar ... // show Status Bar ... } @Override public void onPull(float progress) { // set the opacity of the window's background } @Override public void onPullCancel() { // fade in Action Bar } @Override public void onPullComplete() { supportFinishAfterTransition(); } }