DrawbleLyout的条目监听事件

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.why.moliweek2.MainActivity"
    >

    <android.support.v4.widget.DrawerLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/dl">
        <!--主内容区域-->
        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <RadioGroup
                android:layout_width="match_parent"

                android:layout_height="wrap_content"
                android:orientation="horizontal"
                android:id="@+id/rg"
                android:layout_alignParentBottom="true">
                <RadioButton
                    android:textColor="@drawable/selector"
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="首页"
                    android:button="@null"
                    android:gravity="center"
                    android:id="@+id/bt1"
                    android:padding="3dp"
                    />
                <RadioButton
           android:textColor="@drawable/selector"
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="想法"
                    android:button="@null"
                    android:padding="3dp"
                    android:gravity="center"
                    android:id="@+id/bt2"
                    />
                <RadioButton
                    android:textColor="@drawable/selector"
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="市场"
                    android:button="@null"
                    android:gravity="center"
                    android:padding="3dp"
                    android:id="@+id/bt3"
                    />
                <RadioButton
                    android:textColor="@drawable/selector"
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="通知"
                    android:padding="3dp"
                    android:button="@null"
                    android:gravity="center"
                    android:id="@+id/bt4"
                    />
            </RadioGroup>
            <FrameLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"

                android:id="@+id/fl"></FrameLayout>
        </RelativeLayout>




        <RelativeLayout
            android:layout_width="240dp"
            android:layout_height="match_parent"
            android:layout_gravity="start"

            android:background="#ffff00"
            android:id="@+id/rel">


            <ListView
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:id="@+id/lv"

               ></ListView>
        </RelativeLayout>
    </android.support.v4.widget.DrawerLayout>
</RelativeLayout>

public class MainActivity extends AppCompatActivity {


    private RadioGroup rg;
    private DrawerLayout dl;
    private ListView lv;
    private ArrayList<String> datalist;
private RelativeLayout rel;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        int netType = NetStateUtils.getNetType(this);
        if(netType!=-1){
Toast.makeText(this,"您的APP有网络",Toast.LENGTH_SHORT).show();

        }else{
            initData();

        }
        //获取控件
        rg = findViewById(R.id.rg);
        dl = (DrawerLayout) findViewById(R.id.dl);
        rel = (RelativeLayout) findViewById(R.id.rel);
        lv = (ListView) findViewById(R.id.lv);
        datalist = new ArrayList<>();
        datalist.add("QQ钱包");
        datalist.add("个性装扮");
        datalist.add("我的相册");
        ArrayAdapter<String> stringArrayAdapter = new ArrayAdapter<String>(MainActivity.this,android.R.layout.simple_list_item_1, datalist);
        lv.setAdapter(stringArrayAdapter);



        //设置listview的条目监听事件
        lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
                //设置参数
                frag5 f5=new frag5();
                frag6 f6=new frag6();
                frag7 f7=new frag7();

                dl.closeDrawer(rel);
                 //切换fragment
                switch (i){
                    case 0:
                        getSupportFragmentManager().beginTransaction().replace(R.id.fl,f5).commit();
                        break;
                    case 1:
                        getSupportFragmentManager().beginTransaction().replace(R.id.fl,f6).commit();
                        break;
                    case 2:
                        getSupportFragmentManager().beginTransaction().replace(R.id.fl,f7).commit();
                        break;

                }
            }
        });

        //设置rg的监听事件
        rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {

            private frag4 f4;
            private frag3 f3;
            private frag2 f2;
            private frag1 f1;

            @Override
            public void onCheckedChanged(RadioGroup radioGroup, int checkedId) {
                switch (checkedId){
                    case R.id.bt1:
                        f1 = new frag1();
                        addfragment(f1);
                        break;
                    case R.id.bt2:
                        f2 = new frag2();
                        addfragment(f2);
                        break;
                    case R.id.bt3:
                        f3 = new frag3();
                        addfragment(f3);
                        break;
                    case R.id.bt4:
                        f4 = new frag4();
                        addfragment(f4);
                        break;
                    default:
                        break;

                }
            }
        });
    }

    private void initData() {
        AlertDialog.Builder b=new AlertDialog.Builder(this);
      b.setPositiveButton("确定", new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface dialogInterface, int i) {

          }
      });
      b.setNegativeButton("取消", new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface dialogInterface, int i) {

          }
      });
      b.show();
    }


    public void addfragment(Fragment f){
        FragmentManager manager = getSupportFragmentManager();
        FragmentTransaction transaction = manager.beginTransaction();
        transaction.replace(R.id.fl,f).commit();
    }