How to replace fragment inside a pageviewer

In this android programming source code example, we are going to replace fragment inside a pageviewer.

Below is a step by step source code to replace fragment inside a pageviewer.

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#ededed">

    <android.support.v4.view.ViewPager
        android:id="@+id/viewpager"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

</RelativeLayout>

MainActivity.java

import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;


public class FragmentActivity19 extends AppCompatActivity {
    private ViewPager viewPager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_fragment19);
        viewPager = (ViewPager)findViewById(R.id.viewpager);
        viewPager.setAdapter(new MyAdapter(getSupportFragmentManager()));
    }

    public class MyAdapter extends FragmentPagerAdapter {
        private MyAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position){
            switch (position){
                case 0 : return new Fragment19();
            }
            return null;
        }

        @Override
        public int getCount() {
            return 1;
        }
    }
}

fragment_fragment19.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#ededed">

    <FrameLayout
        android:id="@+id/frame"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

</RelativeLayout>

Fragment19.java

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;


public class Fragment19 extends Fragment{

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_fragment19, container, false);
        FragmentManager mFragmentManager = getActivity().getSupportFragmentManager();
        FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
        fragmentTransaction.replace(R.id.frame,new Fragment191()).commit();
        return view;
    }

}

fragment_fragment191.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#ededed">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:text="Replace Fragment in ViewPager"
        android:gravity="center"
        android:textSize="20sp"/>

</RelativeLayout>

Fragment191.java

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.bluapp.androidview.R;

public class Fragment191 extends Fragment{

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_fragment191, container, false);

        return view;
    }

}

If you have any question or suggestions kindly use the comment box or you can contact us directly through our contact page below.

 

Add a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.

50% Discounts On Projects

Do you have a custom project with a clear requirements, we are currently giving a 50% discount on all projects.

We will work with you to ensure we deliver what you need.

If you have questions or want to chat with us, you can reach us on Skype (henry.tochi)

Languages and technologies we use - Java, Kotlin, Laravel, Vue, React, Flutter, Swift and more.