A powerful, customizable and extensible ViewPager indicator framework. As the best alternative of ViewPagerIndicator, TabLayout and PagerSlidingTabStrip.
Flutter_ConstraintLayout Another very good open source project of mine.
I have developed the world's fastest general purpose sorting algorithm, which is on average 3 times faster than Quicksort and up to 20 times faster, ChenSort
Simple steps, you can integrate MagicIndicator:
- checkout out MagicIndicator, which contains source code and demo
- import module magicindicator and add dependency:
implementation project(':magicindicator')or
repositories {
...
maven {
url "https://jitpack.io"
}
}
dependencies {
...
implementation 'com.github.hackware1993:MagicIndicator:1.6.0' // for support lib
implementation 'com.github.hackware1993:MagicIndicator:1.7.0' // for androidx
}- add MagicIndicator to your layout xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="net.lucode.hackware.magicindicatordemo.MainActivity">
<net.lucode.hackware.magicindicator.MagicIndicator
android:id="@+id/magic_indicator"
android:layout_width="match_parent"
android:layout_height="40dp" />
<android.support.v4.view.ViewPager
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" />
</LinearLayout>- find MagicIndicator through code, initialize it:
MagicIndicator magicIndicator = (MagicIndicator) findViewById(R.id.magic_indicator);
CommonNavigator commonNavigator = new CommonNavigator(this);
commonNavigator.setAdapter(new CommonNavigatorAdapter() {
@Override
public int getCount() {
return mTitleDataList == null ? 0 : mTitleDataList.size();
}
@Override
public IPagerTitleView getTitleView(Context context, final int index) {
ColorTransitionPagerTitleView colorTransitionPagerTitleView = new ColorTransitionPagerTitleView(context);
colorTransitionPagerTitleView.setNormalColor(Color.GRAY);
colorTransitionPagerTitleView.setSelectedColor(Color.BLACK);
colorTransitionPagerTitleView.setText(mTitleDataList.get(index));
colorTransitionPagerTitleView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mViewPager.setCurrentItem(index);
}
});
return colorTransitionPagerTitleView;
}
@Override
public IPagerIndicator getIndicator(Context context) {
LinePagerIndicator indicator = new LinePagerIndicator(context);
indicator.setMode(LinePagerIndicator.MODE_WRAP_CONTENT);
return indicator;
}
});
magicIndicator.setNavigator(commonNavigator);- work with ViewPager:
ViewPagerHelper.bind(magicIndicator, mViewPager);or
work with Fragment Container(switch Fragment by hide()、show()):
mFramentContainerHelper = new FragmentContainerHelper(magicIndicator);
// ...
mFragmentContainerHelper.handlePageSelected(pageIndex); // invoke when switch FragmentMagicIndicator can be easily extended:
- implement IPagerTitleView to customize tab:
public class MyPagerTitleView extends View implements IPagerTitleView {
public MyPagerTitleView(Context context) {
super(context);
}
@Override
public void onLeave(int index, int totalCount, float leavePercent, boolean leftToRight) {
}
@Override
public void onEnter(int index, int totalCount, float enterPercent, boolean leftToRight) {
}
@Override
public void onSelected(int index, int totalCount) {
}
@Override
public void onDeselected(int index, int totalCount) {
}
}- implement IPagerIndicator to customize indicator:
public class MyPagerIndicator extends View implements IPagerIndicator {
public MyPagerIndicator(Context context) {
super(context);
}
@Override
public void onPageSelected(int position) {
}
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageScrollStateChanged(int state) {
}
@Override
public void onPositionDataProvide(List<PositionData> dataList) {
}
}- use CommonPagerTitleView to load custom layout xml.
Now, enjoy yourself!
See extensions in app/src/main/java/net/lucode/hackware/magicindicatordemo/ext，more extensions adding...
Q&A
An intermittent perfectionist.
Visit My Blog for more articles about MagicIndicator.
订阅我的微信公众号以及时获取 MagicIndicator 的最新动态。后续也会分享一些高质量的、独特的、有**的 Flutter 和 Android 技术文章。
MIT License
Copyright (c) 2016 hackware1993
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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