拡張可能なリストビューで親アイテムをクリックしてアクティビティを呼び出す方法

Question

展開可能なリストビューでは、最初の位置に親アイテムだけを設定し、他の親アイテムは子アイテムを設定します。最初のポジション（親アイテム）をクリックすると、他のアクティビティが開きます。たとえば、 ： - ホームメニューをクリックすると、他のアクティビティが開きます。参照してください。スクリーンショットthis is expandable list view in drawer

public class BaseActivity extends AppCompatActivity { 

protected Toolbar toolbar; 
protected ActionBarDrawerToggle drawerToggle; 
SessionManager sessionManager; 
protected DrawerLayout drawer; 
protected FrameLayout frameLayout; 
protected LinearLayout linearLayout; 

ExpandableListAdapter listAdapter; 
ExpandableListView expListView; 

public List<String> listDataTitle = new ArrayList<String>(); 
public HashMap<String, List<String>> listDataChild = new HashMap<String, List<String>>(); 

List<String> Project = new ArrayList<String>(); 
List<String> Architecture = new ArrayList<String>(); 
List<String> Task = new ArrayList<String>(); 
List<String> Client = new ArrayList<String>(); 
List<String> Master = new ArrayList<String>(); 
List<String> User = new ArrayList<String>(); 

public List<Integer> listDataImages; 
public int checkGroupPosition; 
public int checkChildPositin; 
public int projectPosition; 
public int architectPosition; 
public int clientPosition; 
public int taskPosition; 
public int masterPosition; 
public int userPosition; 

int requestcode = 0 ; 
String userName; 
String userRole; 
String userPassword; 
public String rolesResponseResult; 
public String userRoleWebMethod = "GetAllUserRole"; 
ProgressDialog progressDialog; 

@Override 
protected void onCreate(@Nullable Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 

    sessionManager = new SessionManager(this); 
    HashMap<String, String> userRole = sessionManager.getUserDetails(); 
    userName = userRole.get(SessionManager.KEY_EMAIL); 
    userPassword = userRole.get(SessionManager.KEY_USERPASSWORD); 

    progressDialog = ProgressDialog.show(BaseActivity.this, "", "Getting details please wait..."); 
    FetchRolesAsyncTask task = new FetchRolesAsyncTask(); 
    task.execute(); 

    drawer = (DrawerLayout) getLayoutInflater().inflate(R.layout.drawer, null); 
    frameLayout = (FrameLayout) drawer.findViewById(R.id.contentFrame); 
    expListView = (ExpandableListView) drawer.findViewById(R.id.drawerListview); 
    prepareDefaultData(); 
    listAdapter = new ExpandableListAdapter(this, listDataTitle, listDataChild,drawer, listDataImages); 
    expListView.setOnChildClickListener(new ExpandableListView.OnChildClickListener() { 
     @Override 
     public boolean onChildClick(ExpandableListView parent, View v, 
            int groupPosition, int childPosition, long id) { 
      checkGroupPosition = groupPosition; 
      checkChildPositin = childPosition; 
      ClickChildItems(); 
      return true; 
     } 
    }); 

    drawer.setClickable(true); 
    listAdapter.notifyDataSetChanged(); 
    expListView.setAdapter(listAdapter); 

    toolbar = (Toolbar) drawer.findViewById(R.id.app_bar); 
    if (toolbar != null) { 
      setSupportActionBar(toolbar); 
      getSupportActionBar().setHomeButtonEnabled(true); 
    } 
    drawerToggle = new ActionBarDrawerToggle(this, drawer, toolbar, R.string.drawer_open, R.string.drawer_close) { 
     @Override 
     public void onDrawerOpened(View drawerView) { 
      super.onDrawerOpened(drawerView); 
     } 

     @Override 
     public void onDrawerClosed(View drawerView) { 
      super.onDrawerClosed(drawerView); 
     } 
    }; 
    drawerToggle.setDrawerIndicatorEnabled(true); 
    drawer.setDrawerListener(drawerToggle); 
    drawerToggle.syncState(); 
    super.setContentView(drawer); 
} 

private void prepareDefaultData() { 
    listDataTitle = new ArrayList<String>(); 
    listDataChild = new HashMap<String, List<String>>(); 

    // Adding child data 
    listDataTitle.add("Home"); 

    /*// Adding child data 
    List<String> homePage = new ArrayList<String>(); 
    homePage.add("Home");*/ 

    //listDataChild.put(listDataTitle.get(0), homePage); 
} 

private void ClickChildItems() { 
    final String selected = (String) listAdapter.getChild(checkGroupPosition, checkChildPositin); 

    if(selected.equals("Home")){ 
     drawer.closeDrawers(); 
     Intent homeIntent = new Intent(this,Home.class); 
     startActivity(homeIntent); 
    } 
    else if(selected.equals("Add Project")){ 
     drawer.closeDrawers(); 
     Intent addProjectIntent = new Intent(this,AddProject.class); 
     startActivity(addProjectIntent); 
    } 
    else if(selected.equals("Edit Project")){ 
     drawer.closeDrawers(); 
     Intent updateProjectIntent = new Intent(this,UpdateProject.class); 
     startActivity(updateProjectIntent); 
    } 
    else if(selected.equals("Delete Project")){ 
     drawer.closeDrawers(); 
     Intent deleteProjectIntent = new Intent(this,DeleteProject.class); 
     startActivity(deleteProjectIntent); 
    } 
    else if(selected.equals("Add SubStage")){ 
     drawer.closeDrawers(); 
     Intent addSubStage = new Intent(this,AddSubStage.class); 
     startActivity(addSubStage); 
    } 
    else if(selected.equals("Edit SubStage")){ 
     drawer.closeDrawers(); 
     Intent updateSubStage = new Intent(this,UpdateSubStage.class); 
     startActivity(updateSubStage); 
    } 
    else if(selected.equals("Delete SubStage")){ 
     drawer.closeDrawers(); 
     Intent deleteSubStage = new Intent(this,DeleteSubStage.class); 
     startActivity(deleteSubStage); 
    } 
    else if(selected.equals("Add Client")){ 
     drawer.closeDrawers(); 
     Intent clientIntent = new Intent(this,AddCompany.class); 
     clientIntent.putExtra("AddClient","AddClient"); 
     startActivity(clientIntent); 
    } 
    else if(selected.equals("Edit Client")){ 
     drawer.closeDrawers(); 
     Intent clientIntent = new Intent(this,UpdateCompany.class); 
     clientIntent.putExtra("EditClient","EditClient"); 
     startActivity(clientIntent); 
    } 
    else if(selected.equals("Delete Client")){ 
     drawer.closeDrawers(); 
     Intent clientIntent = new Intent(this,DeleteCompany.class); 
     clientIntent.putExtra("DeleteClient","DeleteClient"); 
     startActivity(clientIntent); 
    } 
    else if(selected.equals("Add Architect")){ 
     drawer.closeDrawers(); 
     String addValue = "AddArchitec"; 
     Intent addArchitect = new Intent(this,Architecture.class); 
     addArchitect.putExtra("Add",addValue); 
     startActivity(addArchitect); 
    } 
    else if(selected.equals("Edit Architect")){ 
     drawer.closeDrawers(); 
     String editValue = "EditArchitec"; 
     Intent updateArchitect = new Intent(this,Architecture.class); 
     updateArchitect.putExtra("Edit",editValue); 
     startActivity(updateArchitect); 
    } 
    else if(selected.equals("Delete Architect")){ 
     drawer.closeDrawers(); 
     String deleteValue = "DeleteArchitec"; 
     Intent deleteArchitect = new Intent(this,Architecture.class); 
     deleteArchitect.putExtra("Delete",deleteValue); 
     startActivity(deleteArchitect); 
    } 
    else if(selected.equals("Add Task")){ 
     drawer.closeDrawers(); 
     Intent addTaskIntent = new Intent(this,AddTask.class); 
     startActivity(addTaskIntent); 
    } 
    else if(selected.equals("Edit Task")){ 
     drawer.closeDrawers(); 
     Intent editTaskIntent = new Intent(this,UpdateTask.class); 
     startActivity(editTaskIntent); 
    } 
    else if(selected.equals("Delete Task")){ 
     drawer.closeDrawers(); 
     Intent deleteTaskIntent = new Intent(this,DeleteTask.class); 
     startActivity(deleteTaskIntent); 
    } 
    else if(selected.equals("Add User")){ 
     drawer.closeDrawers(); 
     Intent addUser = new Intent(this,AddUser.class); 
     startActivity(addUser); 
    } 
    /*else if(selected.equals("Edit User")){ 
     drawer.closeDrawers(); 
     // Intent updateUser = new Intent(this,UpdateUser.class); 
     // startActivity(updateUser); 
    }*/ 
    else if(selected.equals("State Master")){ 
     drawer.closeDrawers(); 
     Intent stateMasterIntent = new Intent(this,StateMaster.class); 
     startActivity(stateMasterIntent); 
    } 
    else if(selected.equals("District Master")){ 
     drawer.closeDrawers(); 
     Intent districtMasterIntent = new Intent(this,DistrictMaster.class); 
     startActivity(districtMasterIntent); 
    } 
    else if(selected.equals("Taluka Master")){ 
     drawer.closeDrawers(); 
     Intent talukaMasterIntent = new Intent(this,TalukaMaster.class); 
     startActivity(talukaMasterIntent); 
    } 
} 

public void setContentView(int layoutId) { 
    LayoutInflater inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 
    View contentView = inflater.inflate(layoutId, null, false); 
    drawer.addView(contentView,0); 
} 

@Override 
public boolean onCreateOptionsMenu(Menu menu) { 
    getMenuInflater().inflate(R.menu.option_menu_items, menu); 
    return true; 
} 

@Override 
public boolean onOptionsItemSelected(MenuItem item) { 
    int id = item.getItemId(); 

    if(id == R.id.logoutMenu){ 
     sessionManager.logoutUser(); 
     return true; 
    } 
    else{ 
     return super.onOptionsItemSelected(item); 
    } 
} 

private void prepareListData() { 
    listDataTitle = new ArrayList<String>(); 
    listDataChild = new HashMap<String, List<String>>(); 

    // Adding child data 
    listDataTitle.add("Project"); 
    listDataTitle.add("Client"); 
    listDataTitle.add("Architecture"); 
    listDataTitle.add("Task"); 
    listDataTitle.add("Master"); 

    // Adding child data 
    List<String> Project = new ArrayList<String>(); 
    Project.add("Add Project"); 
    Project.add("Edit Project"); 
    Project.add("Delete Project"); 
    Project.add("Add SubStage"); 
    Project.add("Edit SubStage"); 
    Project.add("Delete SubStage"); 

    List<String> Client = new ArrayList<String>(); 
    Client.add("Add Client"); 
    Client.add("Edit Client"); 
    Client.add("Delete Client"); 

    List<String> Architecture = new ArrayList<String>(); 
    Architecture.add("Add Architect"); 
    Architecture.add("Edit Architect"); 
    Architecture.add("Delete Architect"); 

    List<String> Task = new ArrayList<String>(); 
    Task.add("Add Task"); 
    Task.add("Edit Task"); 
    Task.add("Delete Task"); 

    List<String> Master = new ArrayList<String>(); 
    Master.add("State Master"); 
    Master.add("District Master"); 
    Master.add("Taluka Master"); 

    listDataChild.put(listDataTitle.get(0), Project); 
    listDataChild.put(listDataTitle.get(1),Client); 
    listDataChild.put(listDataTitle.get(2),Architecture); 
    listDataChild.put(listDataTitle.get(3),Task); 
    listDataChild.put(listDataTitle.get(4), Master); 
} 

public class FetchRolesAsyncTask extends AsyncTask<String, Void, Void> { 
    @Override 
    protected Void doInBackground(String... params) { 
     rolesResponseResult = GetDataWebService.FetchRoles(userName, userPassword, userRoleWebMethod); 
     return null; 
    } 

    @Override 
    protected void onPostExecute(Void res) { 
     if(rolesResponseResult.equals("Invalid UserName & Password")) { 
      progressDialog.dismiss(); 
      AlertDialog.Builder builder = new AlertDialog.Builder(BaseActivity.this); 
      builder.setMessage("Unable to fetch details"); 
      builder.setPositiveButton("OK", new DialogInterface.OnClickListener() { 

       @Override 
       public void onClick(DialogInterface alert, int which) { 
        // TODO Auto-generated method stub 
        //Do something 
        alert.dismiss(); 
       } 
      }); 
      AlertDialog alert1 = builder.create(); 
      alert1.show(); 
     } 
     else if(rolesResponseResult.equals("No Network Found")) { 
      progressDialog.dismiss(); 
      AlertDialog.Builder builder = new AlertDialog.Builder(BaseActivity.this); 
      builder.setTitle("Result"); 
      builder.setMessage("Unable to login. Please try again later."); 
      builder.setPositiveButton("OK", new DialogInterface.OnClickListener() { 

       @Override 
       public void onClick(DialogInterface alert, int which) { 
        // TODO Auto-generated method stub 
        //Do something 
        alert.dismiss(); 
       } 
      }); 
      AlertDialog alert1 = builder.create(); 
      alert1.show(); 
     } 
     else { 
      try { 
       JSONArray jArr = new JSONArray(rolesResponseResult); 
       for (int count = 0; count < jArr.length(); count++) { 
        JSONObject obj = jArr.getJSONObject(count); 
        userRole = obj.getString("menuName"); 
        prepareDrawerDetails(); 
        // requestcode = 1; 
        // sessionManager.createRequestCode(requestcode); 
       } 
       listAdapter.notifyDataSetChanged(); 
      } 
      catch (JSONException ex) 
      { 
       ex.printStackTrace(); 
      } 
      progressDialog.dismiss(); 
     } 
    } 
} 

private void prepareDrawerDetails() { 

    if(userRole.equals("Project")){ 
     listDataTitle.add("Project"); 
     projectPosition = listDataTitle.indexOf("Project"); 
    } 
    else if(userRole.equals("Architect")){ 
     listDataTitle.add("Architecture"); 
     architectPosition = listDataTitle.indexOf("Architecture"); 
    } 
    else if(userRole.equals("Client")){ 
     listDataTitle.add("Client"); 
     clientPosition = listDataTitle.indexOf("Client"); 
    } 
    else if(userRole.equals("Task")){ 
     listDataTitle.add("Task"); 
     taskPosition = listDataTitle.indexOf("Task"); 
    } 
    else if(userRole.equals("User")){ 
     listDataTitle.add("User"); 
     userPosition = listDataTitle.indexOf("User"); 
    } 
    else if(userRole.equals("Master")){ 
     listDataTitle.add("Master"); 
     masterPosition = listDataTitle.indexOf("Master"); 
    } 

    if(projectPosition != 0){ 
     if (userRole.equals("Add Project")) { 
      Project.add("Add Project"); 
     } 
     else if (userRole.equals("Edit Project")) { 
      Project.add("Edit Project"); 
     } 
     else if (userRole.equals("View Project")) { 
      Project.add("Delete Project"); 
     } 
     else if (userRole.equals("AddSubStage")) { 
      Project.add("Add SubStage"); 
     } 
     else if (userRole.equals("ViewSubStage")) { 
      Project.add("Edit SubStage"); 
      Project.add("Delete SubStage"); 
     } 
     listDataChild.put(listDataTitle.get(projectPosition), Project); 
    } 

    if(architectPosition != 0){ 
     if(userRole.equals("Add Architect")){ 
      Architecture.add("Add Architect"); 

     }else if(userRole.equals("View Architect")){ 
      Architecture.add("Edit Architect"); 
     } 
     else if(userRole.equals("View Architect")){ 
      Architecture.add("Delete Architect"); 
     } 
     listDataChild.put(listDataTitle.get(architectPosition),Architecture); 
    } 

    if(clientPosition != 0) { 
     if (userRole.equals("Add Client")) { 
      Client.add("Add Client"); 
      listDataChild.put(listDataTitle.get(clientPosition), Client); 
     } else if (userRole.equals("Edit Client")) { 
      Client.add("Edit Client"); 
      listDataChild.put(listDataTitle.get(clientPosition), Client); 
     } else if (userRole.equals("Delete Client")) { 
      Client.add("Delete Client"); 
      listDataChild.put(listDataTitle.get(clientPosition), Client); 
     } 
    } 

    if(userPosition != 0) { 
     if (userRole.equals("Add User")) { 
      User.add("Add User"); 
     } 
     /*else if(userRole.equals("Edit User")) { 
      User.add("Edit User"); 
     }*/ 
     listDataChild.put(listDataTitle.get(userPosition), User); 
    } 

    if(taskPosition != 0){ 
     if(userRole.equals("Add Task")){ 
      Task.add("Add Task"); 
     } 
     else if(userRole.equals("Edit Task")){ 
      Task.add("Edit Task"); 
     } 
     else if(userRole.equals("View Task")){ 
      Task.add("Delete Task"); 
     } 
     listDataChild.put(listDataTitle.get(taskPosition),Task); 
    } 

    if(masterPosition != 0){ 
     if(userRole.equals("Role Master")){ 
      Master.add("State Master"); 
     } 
     else if(userRole.equals("District Master")){ 
      Master.add("District Master"); 
     } 
     else if(userRole.equals("Taluka Master")){ 
      Master.add("Taluka Master"); 
     } 
     listDataChild.put(listDataTitle.get(masterPosition),Master); 
    } 
} 

}ここで

あなたは、このような方法で、getGroupViewに最初のグループの位置を聞く追加することができます

Answer 1

私のアダプタクラス

public class ExpandableListAdapter extends BaseExpandableListAdapter { 

private Context context; 
private List<String> listDataHeader; // header titles 
private HashMap<String, List<String>> listDataChild; 
private List<Integer> listImageDataHeader; // header titles 

DrawerLayout drawer; 

public ExpandableListAdapter(Context context, List<String> listDataTitle, HashMap<String, List<String>> listDataChild, DrawerLayout drawer, List<Integer> listDataImages) { 
    this.context = context; 
    this.listImageDataHeader = listDataImages; 
    this.listDataHeader = listDataTitle; 
    this.listDataChild = listDataChild; 
    this.drawer = drawer; 
} 

@Override 
public Object getChild(int groupPosition, int childPosition) { 
    return this.listDataChild.get(this.listDataHeader.get(groupPosition)).get(childPosition); 
} 

@Override 
public long getChildId(int groupPosition, int childPosition) { 
    return childPosition; 
} 

@Override 
public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) { 

    final String childText = (String) getChild(groupPosition, childPosition); 
    if (convertView == null) { 
     LayoutInflater infalInflater = (LayoutInflater) this.context 
       .getSystemService(Context.LAYOUT_INFLATER_SERVICE); 
     convertView = infalInflater.inflate(R.layout.list_item, null); 
    } 
    TextView txtListChild = (TextView) convertView.findViewById(R.id.txtChildItem); 
    txtListChild.setText(childText); 
    return convertView; 
} 

@Override 
public int getChildrenCount(int groupPosition) { 
    return this.listDataChild.get(this.listDataHeader.get(groupPosition)).size(); 
} 

@Override 
public Object getGroup(int groupPosition) { 
    return this.listDataHeader.get(groupPosition); 
} 

@Override 
public int getGroupCount() { 
    return this.listDataHeader.size(); 
} 

@Override 
public long getGroupId(int groupPosition) { 
    return groupPosition; 
} 

@Override 
public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { 
    String headerTitle = (String) getGroup(groupPosition); 
    String headerImage = (String) getGroup(groupPosition); 

    if (convertView == null) { 
     LayoutInflater infalInflater = (LayoutInflater) this.context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 
     convertView = infalInflater.inflate(R.layout.list_group, null); 
    } 

    TextView parentListHeader = (TextView)  convertView.findViewById(R.id.txtParentListHeader); 
    parentListHeader.setTypeface(null, Typeface.BOLD); 
    parentListHeader.setText(headerTitle); 
convertView.findViewById(R.id.imageParentListHeader); 

    return convertView; 
} 
@Override 
public boolean hasStableIds() { 
    return false; 
} 

@Override 
public boolean isChildSelectable(int groupPosition, int childPosition) { 
    return true; 
} 

}です：

@Override 
public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { 
    String headerTitle = (String) getGroup(groupPosition); 
    String headerImage = (String) getGroup(groupPosition); 

    if (convertView == null) { 
     LayoutInflater infalInflater = (LayoutInflater) this.context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 
     convertView = infalInflater.inflate(R.layout.list_group, null); 
    } 

    TextView parentListHeader = (TextView)  convertView.findViewById(R.id.txtParentListHeader); 
    parentListHeader.setTypeface(null, Typeface.BOLD); 
    parentListHeader.setText(headerTitle); 
    convertView.findViewById(R.id.imageParentListHeader); 
    if(groupPosition==0){ 
    // first parent 
    convertView.setOnClickListener(new View.OnClickListener() { 
     @Override 
     public void onClick(View view) { 
      context.startActivity(new Intent(context, MainActivity.class)); 
     } 
    }); 
    }else{ 
    convertView.setOnClickListener(null); 
    } 
    return convertView; 
}