DrawLayout加上Fragment的简单运用

1>//一个简单的布局
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/draw_layout"
    xmlns:android="http://schemas.android.com/apk/res/android">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1.5"
            android:background="@color/colorPrimary">

            <ImageView
                android:id="@+id/iv_head"
                android:layout_width="80dp"
                android:layout_height="80dp"
                android:layout_margin="10dp"
                android:onClick="onClick"
                android:src="@mipmap/ic_launcher" />

            <TextView
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:gravity="center"
                android:paddingRight="50dp"
                android:text="标题"
                android:textSize="20sp"
                android:textStyle="bold" />
        </LinearLayout>
        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="16"
            android:id="@+id/fragment">
        </FrameLayout>
        <RadioGroup
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:id="@+id/group"
            android:layout_weight="1.5"
            android:orientation="horizontal"
            android:background="#113c3c3c"
            >
            <RadioButton
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:id="@+id/btn1"
                android:button="@null"
                android:checked="true"
                android:gravity="center"
                android:layout_weight="1"
                android:text="头条"
                android:background="@drawable/select"
                />
            <RadioButton
                android:id="@+id/btn2"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:button="@null"
                android:gravity="center"
                android:text="福利"
                android:layout_weight="1"
                android:background="@drawable/select"
                />
            <RadioButton
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:id="@+id/btn3"
                android:button="@null"
                android:gravity="center"
                android:text="任务"
                android:layout_weight="1"
                android:background="@drawable/select"
                />
            <RadioButton
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:id="@+id/btn4"
                android:button="@null"
                android:gravity="center"
                android:text="我的"
                android:layout_weight="1"
                android:background="@drawable/select"
                />
        </RadioGroup>
    </LinearLayout>

    <LinearLayout
        android:layout_width="400dp"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:orientation="vertical"
        android:background="@color/colorAccent"
        >
        <ImageView
            android:layout_width="200dp"
            android:layout_height="200dp"
            android:src="@mipmap/ic_launcher"/>
        <TextView
            android:layout_width="match_parent"
            android:layout_height="30dp"
            android:text="嗡嗡嗡"
            android:textSize="20sp"
            />
    </LinearLayout>
</android.support.v4.widget.DrawerLayout>

2>//MainActivity

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private DrawerLayout drawerLayout;
private ImageView imageView;
private FrameLayout frameLayout;
private RadioGroup group;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        drawerLayout = findViewById(R.id.draw_layout);
        imageView = findViewById(R.id.iv_head);
        frameLayout = findViewById(R.id.fragment);
        group = findViewById(R.id.group);
        imageView.setOnClickListener(this);
        drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {
            @Override
            public void onDrawerSlide(@NonNull View drawerView, float slideOffset) {
                View content = drawerLayout.getChildAt(0);
                float scale = 1 - slideOffset;
                content.setTranslationX(drawerView.getMeasuredWidth()*(1-scale));
            }

            @Override
            public void onDrawerOpened(@NonNull View drawerView) {

            }

            @Override
            public void onDrawerClosed(@NonNull View drawerView) {

            }

            @Override
            public void onDrawerStateChanged(int newState) {

            }
        });
        group.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup radioGroup, int i) {
                switch (i){
                    case R.id.btn1:
                        getSupportFragmentManager().beginTransaction().replace(R.id.fragment,new Fragment_One()).commit();
                        break;
                    case R.id.btn2:
                        getSupportFragmentManager().beginTransaction().replace(R.id.fragment,new Fragment_Two()).commit();
                        break;
                    case R.id.btn3:
                        getSupportFragmentManager().beginTransaction().replace(R.id.fragment,new Fragment_Three()).commit();
                        break;
                    case R.id.btn4:
                        getSupportFragmentManager().beginTransaction().replace(R.id.fragment,new Fragment_Four()).commit();
                        break;
                }
            }
        });
    }

    @Override
    public void onClick(View view) {
        switch (view.getId()){
            case  R.id.iv_head:
            if (drawerLayout.isDrawerOpen(Gravity.START)){
                drawerLayout.closeDrawer(Gravity.START);
            }else {
                drawerLayout.isDrawerOpen(Gravity.START);
            }
            break;
        }
    }
}

3>//Fragment_one  layout

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    xmlns:android="http://schemas.android.com/apk/res/android">
  <android.support.v4.view.ViewPager
      android:id="@+id/viewpage"
      android:layout_width="match_parent"
      android:layout_height="0dp"
      android:layout_weight="3"></android.support.v4.view.ViewPager>

  <com.example.administrator.zhongyulong0728.xlist.XListView
      android:layout_width="match_parent"
      android:layout_height="0dp"
      android:layout_weight="7"
      android:id="@+id/xlistview"
      >

  </com.example.administrator.zhongyulong0728.xlist.XListView>

</LinearLayout>

4>//Fragment_One.java

public class Fragment_One extends Fragment {
    private ViewPager viewPager;
    private String urls = "http://www.xieast.com/api/banner.php";
    private String psth  = "http://ttpc.dftoutiao.com/jsonpc/refresh?type=";
    private int page = 5010;
    private XListView xListView;
    private List<UserBean.DataBean> list = new ArrayList<>();
    private One_Adapter adapter;
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_one,container,false);
        xListView = view.findViewById(R.id.xlistview);
        viewPager = view.findViewById(R.id.viewpage);
        //访问数据
        getDataWork();
        //获取数据
        initFromById();
        return view;
    }

    private void initFromById() {
        //可以刷新
        xListView.setPullLoadEnable(true);
        //可以加载
        xListView.setPullRefreshEnable(true);
        xListView.setXListViewListener(new XListView.IXListViewListener() {
            @Override
            public void onRefresh() {
                page=5010;
                getDataWork();
            }

            @Override
            public void onLoadMore() {
                page++;
                getDataWork();
            }
        });
    }
    public void getDataWork() {
        HttpUtils httpUtils = HttpUtils.getInstance();
        String url = psth+page;
        httpUtils.getdata(url);
        //接口毁掉
        httpUtils.setHttpListnenr(new HttpUtils.HttpListener() {
            @Override
            public void getjsondata(String json) {
                Gson gson = new Gson();
                json  =json.replace("null(", "").replace(")", "");
                UserBean userBean = gson.fromJson(json, UserBean.class);
                List<UserBean.DataBean> data = userBean.getData();
                adapter = new One_Adapter(list,getActivity());
                xListView.setAdapter(adapter);
                if (page==5010){
                    list.clear();
                }
                //添加数据
                list.addAll(data);
                adapter.notifyDataSetChanged();

                if (page==5010){
                    xListView.stopRefresh();
                }else {
                    xListView.stopLoadMore();
                }
            }
        });
    }
}

5>//fragment_one的适配器fragmenrbase.layout

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    xmlns:android="http://schemas.android.com/apk/res/android" >

    <ImageView
        android:id="@+id/img"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:src="@mipmap/ic_launcher"/>
    <TextView
        android:id="@+id/text"
        android:layout_width="0dp"
        android:layout_weight="3"
        android:layout_height="wrap_content"
        android:text="textView"/>
</LinearLayout>

6>//based的Adapter  Adapter_One

public class One_Adapter extends BaseAdapter {
    private List<UserBean.DataBean> list;
    private Context context;

    public One_Adapter(List<UserBean.DataBean> list, Context context) {
        this.list = list;
        this.context = context;
    }
    @Override
    public int getCount() {
        return list.size();
    }

    @Override
    public Object getItem(int i) {
        return list.get(i);
    }

    @Override
    public long getItemId(int i) {
        return i;
    }

    @Override
    public View getView(int i, View view, ViewGroup viewGroup) {
        ViewHolder holder;
        if (view==null){
            view = View.inflate(context, R.layout.fragmentbase,null);
            holder = new ViewHolder();
            holder.textView =view.findViewById(R.id.text);
            holder.imageView = view.findViewById(R.id.img);
            view.setTag(holder);
        }else {
            holder = (ViewHolder) view.getTag();
        }
        ImageLoader.getInstance().displayImage(list.get(i).getMiniimg().get(0).getSrc(), holder.imageView, Myapp.getOptions());
        holder.textView.setText(list.get(i).getBrief());
       // ImageLoader.getInstance().displayImage(list.get(i).getMiniimg().get(0),holder.imageView, Myapp.getOptions());
        return view;
    }
    class ViewHolder{
        TextView textView;
        ImageView imageView;
    }
}