AlphabetIndex Fast Scroll RecyclerView

A Powerful AlphabetIndex FastScroller for Android's RecyclerView!

Kindly use the following links to use this library:

In build.gradle (Project)

allprojects {
	repositories {
		...
		maven { url "https://jitpack.io" }
	}
}

And then in the other gradle file(may be your app gradle or your own module library gradle, but never add in both of them to avoid conflict.)

 dependencies {
        compile 'com.github.myinnos:AlphabetIndex-Fast-Scroll-RecyclerView:1.0.1'
        }

How to use

Step 1: add this to your xml:

<in.myinnos.alphabetsindexfastscrollrecycler.IndexFastScrollRecyclerView
    android:id="@+id/fast_scroller_recycler"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

Step 2: implement SectionIndexer to RecyclerViewAdapter.

public class RecyclerViewAdapter extends RecyclerView.Adapter<ViewHolder> implements SectionIndexer {

 private List<String> mDataArray;
 private String mSections = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

.....

 @Override
 public int getPositionForSection(int section) {
     // If there is no item for current section, previous section will be selected
     for (int i = section; i >= 0; i--) {
         for (int j = 0; j < getItemCount(); j++) {
             if (i == 0) {
                 // For numeric section
                 for (int k = 0; k <= 9; k++) {
                     if (StringMatcher.match(String.valueOf(mDataArray.get(j).charAt(0)), String.valueOf(k)))
                         return j;
                 }
             } else {
                 if (StringMatcher.match(String.valueOf(mDataArray.get(j).charAt(0)), String.valueOf(mSections.charAt(i))))
                     return j;
             }
         }
     }
     return 0;
 }

 @Override
 public int getSectionForPosition(int position) {
     return 0;
 }

 @Override
 public Object[] getSections() {
     String[] sections = new String[mSections.length()];
     for (int i = 0; i < mSections.length(); i++)
         sections[i] = String.valueOf(mSections.charAt(i));
     return sections;
 }

}

Note: mDataArray: this is your recycler data array model.

Feature

• Change IndexTextSize:

 mRecyclerView.setIndexTextSize(12);

• Change IndexBarTextColor:

 mRecyclerView.setIndexBarTextColor("#FFFFFF");

• Change IndexBarColor:

 mRecyclerView.setIndexBarColor("#33334c");

• Change IndexBarCornerRadius:

 mRecyclerView.setIndexBarCornerRadius(3);

• Change IndexBarTransparentValue:

mRecyclerView.setIndexBarTransparentValue((float) 0.4);

• Change IndexbarMargin:

 mRecyclerView.setIndexbarMargin(4);

• Change IndexbarWidth:

 mRecyclerView.setIndexbarWidth(40);

• Change PreviewPadding:

 mRecyclerView.setPreviewPadding(2);

Any Queries? or Feedback, please let me know by opening a new issue!

Contact

Prabhakar Thota

• Website: myinnos.in
• e-mail: contact@myinnos.in
• Twitter: @myinnos

License

Copyright 2017 MyInnos

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.