ViewPage指示器_viewpageindicator

最新推荐文章于 2021-05-26 02:37:54 发布

和煦凹曲面

最新推荐文章于 2021-05-26 02:37:54 发布

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本文链接：https://blog.youkuaiyun.com/qq_36006726/article/details/52904262

本文介绍了一个使用Android支持库中的ViewPager与TabPageIndicator组件结合的例子。通过创建自定义的Fragment和适配器，实现了带有多个标签页的动态内容切换效果。每个标签页对应一个特定的主题，如头条、房产等。

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package com.example.day04_viewpageindicator;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPager;
import android.view.Window;

import com.viewpagerindicator.TabPageIndicator;

public class MainActivity extends FragmentActivity {

/**
 * Tab标题
 */
private static final String[] TITLE = new String[] { "头条", "房产", "另一面",
        "女人", "财经", "数码", "情感", "科技" };
/**
 * 装fragment的集合
 */
private List<MyFragment> list;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    //隐藏标题栏
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.activity_main);

    TabPageIndicator tabPageIndicator = (TabPageIndicator) findViewById(R.id.tabPageIndicator);
    ViewPager viewPager = (ViewPager) findViewById(R.id.viewPager);

    // 准备fragment
    addFragment();

    viewPager.setAdapter(new MyFragmentPagerAdapter(
            getSupportFragmentManager(), list,TITLE));

    // 把viewPager设置给指示器
    tabPageIndicator.setViewPager(viewPager);
}

private void addFragment() {
    list = new ArrayList<MyFragment>();
    for (int i = 0; i < TITLE.length; i++) {

        MyFragment myFragment = new MyFragment();

        Bundle bundle = new Bundle();
        bundle.putString("path", TITLE[i] + "的接口地址");
        myFragment.setArguments(bundle);

        list.add(myFragment);

    }}

}
/////////////////////////////////////////////
package com.example.day04_viewpageindicator;

import java.util.List;

import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;

public class MyFragmentPagerAdapter extends FragmentPagerAdapter {

private List<MyFragment> list;
private String[] title;

public MyFragmentPagerAdapter(FragmentManager fm, List<MyFragment> list, String[] title) {
    super(fm);
    this.list = list;
    this.title = title;

}

@Override
public Fragment getItem(int arg0) {

    return list.get(arg0);
}

@Override
public int getCount() {

    return list.size();
}

@Override
public CharSequence getPageTitle(int position) {
    return title[position];
}

}
///////////////////////////////////////////
package com.example.day04_viewpageindicator;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

public class MyFragment extends Fragment {
private View view;

@Override
public View onCreateView(LayoutInflater inflater,
        @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {


    view = View.inflate(getActivity(), R.layout.fragment, null);
    return view;
}

@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
    Bundle bundle = getArguments();
    String path = bundle.getString("path");

    TextView textView = (TextView) view.findViewById(R.id.textView);
    textView.setText(path);

    super.onActivityCreated(savedInstanceState);
}

}