使用ViewPager阻止预加载下一个片段(制表符)

dependencies {
    implementation 'com.android.support:support-v4:27.1.1'
}

import android.content.Context;
import android.support.v4.view.ViewPager;
import android.util.AttributeSet;
import android.view.MotionEvent;

public class CustomViewPager extends ViewPager {

    private boolean isPagingEnabled = false;

    public CustomViewPager(Context context) {
        super(context);
    }

    public CustomViewPager(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        if (this.isPagingEnabled) {
            return super.onTouchEvent(event);
        }
        return false;
    }

    @Override
    public boolean onInterceptTouchEvent(MotionEvent event) {
        if (this.isPagingEnabled) {
            return super.onInterceptTouchEvent(event);
        }
        return false;
    }

    public void setPagingEnabled(boolean isPagingEnabled) {
        this.isPagingEnabled = isPagingEnabled;
    }
}

<com.example.customviewpager.CustomViewPager
    android:id="@+id/viewpager"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

CustomViewPager viewPager = findViewById(R.id.viewpager);
viewPager.setAdapter(new MyPagerAdapter(getSupportFragmentManager()));
viewPager.setPagingEnabled(false);