Android Tab片段同时加载 [英] Android Tab Fragments load at same time
本文介绍了Android Tab片段同时加载的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我是android的新手,所以我尝试建立Tab活动.这是我的MainActivity:
I am newbie at android and I try to build tab activity. It is my MainActivity:
public class MainActivity extends AppCompatActivity {
Toolbar toolbar;
TabLayout tabLayout;
ViewPager viewPager;
ViewPagerAdapter viewPagerAdapter;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
toolbar = (Toolbar) findViewById(R.id.toolBar);
setSupportActionBar(toolbar);
tabLayout = (TabLayout) findViewById(R.id.tabLayout);
viewPager = (ViewPager) findViewById(R.id.viewPager);
viewPagerAdapter = new ViewPagerAdapter(getSupportFragmentManager());
viewPagerAdapter.addFragments(new A(), "A");
viewPagerAdapter.addFragments(new B(), "B");
viewPagerAdapter.addFragments(new C(), "C");
viewPager.setAdapter(viewPagerAdapter);
tabLayout.setupWithViewPager(viewPager);
}
}
在活动开始时,片段A和B已经构建,但是C正在等待单击C的选项卡.此外,当我从C更改选项卡时,A和B重新加载.如何在活动开始时加载所有片段?
At the begining of activity fragment A and B already builded but C is waiting for click C's tab. Moreover, when I change tab from C, A and B reloaded. How to load all fragment at the begining of activity ?
推荐答案
使用在您的情况下: viewPager.setOffscreenPageLimit(2);
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