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Material-ViewPagerIndicator

A super easy-to-use page indicator for the Android Support Library v4's ViewPager widget with Material Design ink animations.

Demo

A demo app with examples is available on Google Play. The source for the demo is the app module in this project.

Usage

ViewPagerIndicator is a @ViewPager.DecorView (like Support-Design's TabLayout and Support-v4's PagerTabStrip and PagerTitleStrip) widgets.

Usage is simple - just add it as a child view of your ViewPager!

XML

<androidx.viewpager.widget.ViewPager
    android:id="@+id/view_pager"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_alignWithParentIfMissing="true">

    <!-- Add as a direct child of your ViewPager -->
    <com.itsronald.widget.ViewPagerIndicator
        android:id="@+id/view_pager_indicator"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom|center_horizontal"
        android:gravity="center_vertical"/>

 </androidx.viewpager.widget.ViewPager>

Programatically

Or in code...

import androidx.viewpager.widget.ViewPager;
import android.view.Gravity;
import android.view.ViewGroup.LayoutParams;

import com.itsronald.widget.ViewPagerIndicator;

...

ViewPager viewPager = ...;

final ViewPager.LayoutParams layoutParams = new ViewPager.LayoutParams();
layoutParams.width = LayoutParams.MATCH_PARENT;
layoutParams.height = LayoutParams.WRAP_CONTENT;
layoutParams.gravity = Gravity.BOTTOM;

final ViewPagerIndicator viewPagerIndicator = new ViewPagerIndicator(context);
viewPager.addView(viewPagerIndicator, layoutParams);

For more advanced usage, see the wiki.

Download

Material-ViewPagerIndicator is available via JitPack.io.

Gradle

Add JitPack to your maven repositories:

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

Add Material-ViewPagerIndicator to your app dependencies:

dependencies {
    // x.y.z is the latest release version number.
    implementation 'com.github.ronaldsmartin:Material-ViewPagerIndicator:x.y.z'
}

Other

Please see the JitPack page for instructions on using the library with other build systems.

License

Material-ViewPagerIndicator is licensed under Apache 2.0.

Copyright 2016 Ronald Martin

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.

Parts of this library are derived from Support-v4's PagerTitleStrip, which is also licensed under Apache 2.0.