ExpandableView Android Library

ExpandableView : ExpandableView is a View showing only a content and when clicked on it, it displays more content in a fashion way.

Description:-  ExpandableView is a View showing only a content and when clicked on it, it displays more content in a fashion way. You can add views or viewgroups but remember that it will only display the content in a LinearLayout with vertical orientation.

You can choose by default a "chevron" icon animation or a "plus" icon animation. The "always visible row" has a left icon, a text and finally a right icon which will be the animated one.

Min SDK:- 14 (Android 4.0–4.0.2 Ice Cream Sandwich)

Author-  nicolasjafelle@gmail.com

Chick Here for Download ExpandableView Android Library

Instructions - Maven Central

1. Add this library in your build.gradle:

dependencies {
    compile 'coming soon...'
}

Instructions:
1: Clone the git repo
2: Import the "ExpandableView" module into your Android-gradle project.
3: Add "ExpandableView" module in your settings.gradle
4: DONE

How to use ExpandableView Android Library in eclipse :-

Step 1: Create a new Android Project

Step 2: Import  Library to your Android Application Project
     1: File->New->Other
     2: Select Android Project
     3: Select "Create Project from existing source"
     4: Click "Browse and select ExpandableView Android Library, 
     5: Finish 
     6: Right-click on your project -> Properties
     7: In Android->Library section click Add
     8: select recently added project -> Ok
     9: that's it!

How to Use it: As any view in Android you can add it by code or by layout xml file but remember that if you want to change the default height of the visible content you need to use:

topExpandableView.setVisibleLayoutHeight(300);
topExpandableView.setVisibleLayoutHeight(getResources().getDimensionPixelSize(R.dimen.new_height));

Remember also to fill the information inside the visible content by using:

expandableView.fillData(R.drawable.ic_android, R.string.android_names, true);
//or
expandableView.fillData(R.drawable.ic_android, getString(R.string.android_names), true);
//or
expandableView.fillData(R.drawable.ic_android, R.string.android_names, true);
//or
expandableView.fillData(R.drawable.ic_android, getString(R.string.android_names));
//or
expandableView.fillData(R.drawable.ic_android, R.string.android_names);

//or
expandableView.fillData(0, R.string.android_names); // No drawable left by passing 0.

If you want to add content into the discoverable LinearLayout simple use:

expandableView.addContentView(itemView); // itemView could be a simple TextView or more complex custom views

The most relevant part of this ExpandableView is when you want to include an ExpandableView into another ExpandableView, you need to pass the parent's View hierarchy, like this:

expandableViewLevel1.setOutsideContentLayout(topExpandableView.getContentLayout()); // 1 Level
expandableViewLevel2.setOutsideContentLayout(topExpandableView.getContentLayout(), expandableViewLevel1.getContentLayout()); // 2 Levels
expandableViewLevel3.setOutsideContentLayout(topExpandableView.getContentLayout(), expandableViewLevel1.getContentLayout(), expandableViewLevel2.getContentLayout()); // 3 Levels

Also remember to use this package in your layout files:

<com.expandable.view.ExpandableView
    android:id="@+id/activity_main_top_expandable_view"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"/>

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