Android简单的Fragment嵌套Fragment(Viewpager+Fragement)

来源：互联网发布：手机版word软件编辑：程序博客网时间：2024/06/09 20:52

我的项目目录如下：
这里写图片描述
直接上核心代码
MainActivity
import android.support.v4.app.FragmentTransaction;
import android.graphics.Color;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.os.Bundle;
import android.support.v4.app.FragmentManager;
import android.view.View;
import android.view.Window;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import com.example.fragmentlayout.Fragment.MainFragment;
import com.example.fragmentlayout.Fragment.MineFragment;
import com.example.fragmentlayout.Fragment.MoreFragment;

public class MainActivity extends FragmentActivity implements View.OnClickListener {
private TextView main_textview,more_textview,mine_textview;
private ImageView main_imageview,more_imageview,mine_imageview;
private RelativeLayout main_layout,more_layout,mine_layout;
private Fragment mainFragment,moreFragment,mineFragment;

@Overrideprotected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    this.requestWindowFeature(Window.FEATURE_NO_TITLE);//删除自带标题栏(如果继承AppCompatActivity,不起效果,所以继承FragmentActivity)    setContentView(R.layout.activity_main);    initView();    setSelect(0);//显示第一个Fragment (0代表mainFragment,1代表moreFragment,2代表mineFragment);}private void initView() {    main_imageview=(ImageView)findViewById(R.id.main_iamgeview);    more_imageview=(ImageView)findViewById(R.id.more_iamgeview);    mine_imageview=(ImageView)findViewById(R.id.mine_iamgeview);    main_textview=(TextView)findViewById(R.id.main_textview);    more_textview=(TextView)findViewById(R.id.more_textview);    mine_textview=(TextView)findViewById(R.id.mine_textview);    main_layout=(RelativeLayout)findViewById(R.id.main_layout);    more_layout=(RelativeLayout)findViewById(R.id.more_layout);    mine_layout=(RelativeLayout)findViewById(R.id.mine_layout);    main_layout.setOnClickListener(this);    more_layout.setOnClickListener(this);    mine_layout.setOnClickListener(this);}private void setSelect(int i) {    FragmentManager fm=getSupportFragmentManager();    FragmentTransaction transaction=fm.beginTransaction();    hideFragment(transaction);    switch (i){        case 0:            if(mainFragment==null){                mainFragment=new MainFragment();                transaction.add(R.id.fragment,mainFragment);            }else {                transaction.show(mainFragment);            }            break;        case 1:            if(moreFragment==null){                moreFragment=new MoreFragment();                transaction.add(R.id.fragment,moreFragment);            }else {                transaction.show(moreFragment);            }            break;        case 2:            if(mineFragment==null){                mineFragment=new MineFragment();                transaction.add(R.id.fragment,mineFragment);            }else {                transaction.show(mineFragment);            }            break;    }    transaction.commit();//提交事务}private void hideFragment(FragmentTransaction transaction) {    if(mainFragment!=null){        transaction.hide(mainFragment);    }    if(moreFragment!=null){        transaction.hide(moreFragment);    }    if(mineFragment!=null){        transaction.hide(mineFragment);    }}@Overridepublic void onClick(View v) {    initImageText();    switch (v.getId()){        case R.id.main_layout:            setSelect(0);            main_imageview.setImageResource(R.drawable.main2);            main_textview.setTextColor(Color.parseColor("#707070"));            break;        case R.id.more_layout:            setSelect(1);            more_imageview.setImageResource(R.drawable.more2);            more_textview.setTextColor(Color.parseColor("#707070"));            break;        case R.id.mine_layout:            setSelect(2);            mine_imageview.setImageResource(R.drawable.my2);            mine_textview.setTextColor(Color.parseColor("#707070"));            break;    }}//初始化图片和文字(未点击自定义的Tab下样式)private void initImageText() {    main_imageview.setImageResource(R.drawable.main1);    more_imageview.setImageResource(R.drawable.more1);    mine_imageview.setImageResource(R.drawable.my1);    main_textview.setTextColor(Color.parseColor("#dfdfdf"));    more_textview.setTextColor(Color.parseColor("#dfdfdf"));    mine_textview.setTextColor(Color.parseColor("#dfdfdf"));}

}

MoreFragment
重点获取Fragmment子管理器用到getChildFragment()

import android.graphics.Color;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentPagerAdapter;import android.support.v4.view.ViewPager;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.RelativeLayout;import android.widget.TextView;import com.example.fragmentlayout.ChildFragment.OneChild;import com.example.fragmentlayout.ChildFragment.TwoChild;import com.example.fragmentlayout.R;import java.util.ArrayList;import java.util.List;public class MoreFragment extends Fragment implements View.OnClickListener {    private ViewPager viewPager;    private FragmentPagerAdapter fragmentPagerAdapter;    private RelativeLayout one_layout,two_layout;    private Fragment oneChildFragment,twoChildFrament;    private List<Fragment> mFragmentList;    private TextView oneTextView,twoTextView;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view=inflater.inflate(R.layout.more_fragment, container, false);        return view;    }    @Override    public void onActivityCreated(@Nullable Bundle savedInstanceState) {        super.onActivityCreated(savedInstanceState);        initView();        setSelect(0);//0代表第一Fragemnt,1代表第二个Fragment    }    private void initView() {        viewPager=(ViewPager)getActivity().findViewById(R.id.viewpager);        one_layout=(RelativeLayout)getActivity().findViewById(R.id.one_layout);        two_layout=(RelativeLayout)getActivity().findViewById(R.id.two_layout);        oneTextView=(TextView)getActivity().findViewById(R.id.one_textView);        twoTextView=(TextView)getActivity().findViewById(R.id.two_textView);        one_layout.setOnClickListener(this);        two_layout.setOnClickListener(this);        mFragmentList=new ArrayList<Fragment>();        oneChildFragment=new OneChild();        twoChildFrament=new TwoChild();        mFragmentList.add(oneChildFragment);        mFragmentList.add(twoChildFrament);        fragmentPagerAdapter=new FragmentPagerAdapter(getChildFragmentManager()) {            @Override            public Fragment getItem(int position) {                return mFragmentList.get(position);            }            @Override            public int getCount() {                return mFragmentList.size();            }        };        viewPager.setAdapter(fragmentPagerAdapter);        viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {            @Override            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {            }            @Override            public void onPageSelected(int position) {                setLayout();                switch (position){                    case 0:                        one_layout.setBackgroundColor(Color.parseColor("#ffffff"));                        oneTextView.setTextColor(Color.parseColor("#000000"));                        setSelect(0);                        break;                    case 1:                        two_layout.setBackgroundColor(Color.parseColor("#ffffff"));                        twoTextView.setTextColor(Color.parseColor("#000000"));                        setSelect(1);                        break;                }            }            @Override            public void onPageScrollStateChanged(int state) {            }        });    }    @Override    public void onClick(View v) {        switch (v.getId()){            case R.id.one_layout:                oneTextView.setTextColor(Color.parseColor("#000000"));                setSelect(0);                break;            case R.id.two_layout:                setSelect(1);                twoTextView.setTextColor(Color.parseColor("#000000"));                break;        }    }    private void setSelect(int i) {        switch (i){            case 0:                viewPager.setCurrentItem(0);                break;            case 1:                viewPager.setCurrentItem(1);                break;        }    }    //初始化Layout和文字    private void setLayout(){        oneTextView.setTextColor(Color.parseColor("#dfdfdf"));        twoTextView.setTextColor(Color.parseColor("#dfdfdf"));    }}

项目地址：[http://download.csdn.net/download/qq_37238649/10169652
效果图
这里写图片描述

阅读全文

1 0