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How to determine when user slides to another tab in FragmentActivity?


How to determine when user slides to another tab in FragmentActivity?

By : technical android
Date : November 21 2020, 04:03 PM
like below fixes the issue To know when the page is being changed, you can use an OnPageChangeListener for the ViewPager. You can set this by using setOnPageChangeListener().
code :
vpPager.setOnPageChangeListener(new OnPageChangeListener() {

    // This method will be invoked when a new page becomes selected.
    @Override
    public void onPageSelected(int position) {}

    // This method will be invoked when the current page is scrolled
    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {}

    // Called when the scroll state changes: 
    // SCROLL_STATE_IDLE, SCROLL_STATE_DRAGGING, SCROLL_STATE_SETTLING
    @Override
    public void onPageScrollStateChanged(int state) {}
});


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Determine if Parent is an Activity or FragmentActivity

Determine if Parent is an Activity or FragmentActivity


By : Ferran torredeflot c
Date : March 29 2020, 07:55 AM
I wish this helpful for you I have a custom widget saved as an android library project. , Use instanceof.
For example:
code :
if ( getParent() instanceof Activity ) {
   return ACTIVITY;
} else if ( getParent() instanceof Fragment ) {
   return FRAGMENT;
} etc…
How to determine which tab is selected in FragmentActivity?

How to determine which tab is selected in FragmentActivity?


By : Sarah Shixika
Date : March 29 2020, 07:55 AM
it fixes the issue Check this out, it has everything from id to finding names of tabs:
Get the current fragment object
Can't open FragmentActivity from Fragment/FragmentActivity in Navigation Drawer

Can't open FragmentActivity from Fragment/FragmentActivity in Navigation Drawer


By : Omar Orabi
Date : March 29 2020, 07:55 AM
To fix this issue I've got a problem I can't solve with my app's navigation drawer. One of the links in the navigation drawer is to open a FragmentActivity (which contains a ViewPager). The other links are Fragments. Right now I have it set up as an Intent to start that activity but I get an error about one of my Fragments, MapsPage. Something to do with nesting Fragments. I'll post the logcat below. This is now my NavigationDrawer onClick is set up: , You are calling
code :
fm.beginTransaction().add(R.id.main,newFragment).addToBackStack("fragback").commit();
Create offset with ion-slides. User should see the next broached slides

Create offset with ion-slides. User should see the next broached slides


By : Tugce Keser
Date : March 29 2020, 07:55 AM
around this issue github repo
First install swiper in ionic app,
code :
<link href="https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.3.1/css/swiper.min.css" rel="stylesheet">
<script src="https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.3.1/js/swiper.js"></script> 
import { SwiperModule } from 'angular2-useful-swiper'; 
  imports: [
    BrowserModule,
    IonicModule.forRoot(MyApp),
    SwiperModule
  ],
<ion-content>
<swiper [config]="config">
        <div class="swiper-wrapper">
            <div class="swiper-slide" style="background-color:red;">Slide 1</div>
                <div class="swiper-slide" style="background-color:yellow;">Slide 2</div>
                <div class="swiper-slide" style="background-color:green;">Slide 3</div>
                <div class="swiper-slide" style="background-color:red;">Slide 4</div>
                <div class="swiper-slide" style="background-color:yellow;">Slide 5</div>
                <div class="swiper-slide" style="background-color:green;">Slide 6</div>
                <div class="swiper-slide" style="background-color:red;">Slide 7</div>
                <div class="swiper-slide" style="background-color:yellow;">Slide 8</div>
                <div class="swiper-slide" style="background-color:green;">Slide 9</div>
                <div class="swiper-slide" style="background-color:red;">Slide 10</div>
            </div>
            <div class="swiper-pagination"></div>
        </swiper>
</ion-content>
config: Object = {
            pagination: '.swiper-pagination',
            paginationClickable: true,
            spaceBetween: 0,
            slidesPerView: 1.2, //use any number 1.8 or 4.2 or 7.3 etc..
            direction: 'horizontal',
            parallax: true,
            freeMode: false,
            fade: {
                crossFade: true,
            },
            allowSwipeToPrev: true,
            roundLengths: false,
            effect: 'slide' //use cube,flip,coverflow or fade
        }; 
Algorithm to determine which slides are next to the center in an infinite rotating carousel?

Algorithm to determine which slides are next to the center in an infinite rotating carousel?


By : Zuar Aliyeb
Date : March 29 2020, 07:55 AM
I wish this help you OK so the active slide is the center one. Let's just call that var active = 1;
Left slide is active - 2 and right slide is active + 2, except of course the fact that it wraps.
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