Android Open Source - GameTimer Group Fragment

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License

The source code is released under:

Apache License

Java Source Code

package com.solidnw.gametimer.fragments;
//  w ww .  jav a  2  s .  c  om
import java.util.ArrayList;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;

import com.solidnw.gametimer.R;
import com.solidnw.gametimer.activities.PlayerActivity;
import com.solidnw.gametimer.adapter.RemoveMemberListAdapter;
import com.solidnw.gametimer.database.DatabaseHelper;
import com.solidnw.gametimer.model.IntentConstants;
import com.solidnw.gametimer.model.PreferencesConstants;

public class GroupFragment extends Fragment implements OnClickListener {
  private View mRootView;
    private ListView mMembersList;
    private ArrayList<String> mMembers;
    private DatabaseHelper mDbHelper;
    private Context mContext;
    private RemoveMemberListAdapter mListAdapter;
    private int mTheme;
    private String mGroupname;
    private Button mBtnNewPlayer;
    private AlertDialog mDialog;
    private EditText mEditTextGroupname;
    
    public GroupFragment() {
    }
    
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }
    
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        mRootView = inflater.inflate(R.layout.fragment_group, container, false);

        init();

        return mRootView;
    }
    
    public void onResume() {
        super.onResume();
    }
    
    public void onActivityResult(int requestCode, int resultCode, Intent data){
      if(resultCode == Activity.RESULT_OK){      
        String name = data.getStringExtra(IntentConstants.MSG_PLAYER);
        if(name == null || name.equals("")){
          // TODO: Error message: empty name not allowed
          return;
        }
        
        addNewMemberToList(name); 
        
        if(mDialog.isShowing()) {
            mDialog.dismiss();
          }
      }
    }
    
  public void onClick(View v) {
    switch(v.getId()) {
      case R.id.groupfrag_button_add_member:
        onAddMember();
        break;      
    }
  }
    
    private void init() {
        mMembersList = (ListView) mRootView.findViewById(R.id.groupfrag_listview_members);
        mEditTextGroupname = (EditText) mRootView.findViewById(R.id.groupfrag_edittext_groupname);
        mContext = getActivity().getApplicationContext();
        mDbHelper = new DatabaseHelper(mContext);

        SharedPreferences settings = mContext.getSharedPreferences(
                PreferencesConstants.PREFERENCES_NAME, 0);
        mTheme = settings.getInt(PreferencesConstants.PREF_KEY_THEME,
                PreferencesConstants.DEFAULT_THEME);
        
        mBtnNewPlayer = (Button) mRootView.findViewById(R.id.groupfrag_button_add_member);
        mBtnNewPlayer.setOnClickListener(this);
        
        if(mGroupname != null && !mGroupname.equals("")) {
          mEditTextGroupname.setText(mGroupname);
        }
        
        fillMembers();
    }
    
    private void fillMembers() {
      mMembers = mDbHelper.getAllPlayerNamesOfGroup(mGroupname);
      
      if(mMembers == null) {
        mMembers = new ArrayList<String>();
      }

        mListAdapter = new RemoveMemberListAdapter(mContext, mMembers, mTheme);
        mMembersList.setAdapter(mListAdapter);
        mMembersList.setOnItemClickListener(new OnMemberClickListener());
    }
    
    private void addNewMemberToList(String name) {
      // Sick bug! when you are not creating a new object
      // there is some kind of cross reference and it f*cks up your app
      mMembers = new ArrayList<String>(mMembers);
      mMembers.add(name);

      mListAdapter.updateContent(mMembers);
      
      if(mDialog.isShowing()) {
        mDialog.dismiss();
      }
    }
    
    private void onAddMember() {
      // Instantiate Dialog to decide whether a new user should be created or an existing one should be added
      ListView lvAllPlayers = new ListView(mContext);
      ArrayList<String> allPlayers = mDbHelper.getAllPlayerNames();
      
      if(mMembers != null)
      {
        allPlayers.removeAll(mMembers);
      }
      allPlayers.add(getString(R.string.new_player));
      
      ArrayAdapter<String> adapter = new ArrayAdapter<String>(mContext, R.layout.list_item_simple, allPlayers);
      AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
      
      lvAllPlayers.setAdapter(adapter);
      lvAllPlayers.setOnItemClickListener(new OnPlayerClickListener());
      builder.setTitle(R.string.add_member);
      builder.setView(lvAllPlayers);
      
      mDialog = builder.create();
      mDialog.show();
    }
    
    public void setGroupname(String groupname) {
      mGroupname = groupname;
    }
    
    public String getCurrentGroupname() {
      return mEditTextGroupname.getText().toString();
    }
    
    public ArrayList<String> getCurrentMembers() {
      return mMembers;
    }
    
    private class OnMemberClickListener implements OnItemClickListener {
        public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
            String selectedMember = adapterView.getItemAtPosition(position).toString();

            Intent intent = new Intent(mContext, PlayerActivity.class);
            intent.putExtra(IntentConstants.MSG_PLAYER, selectedMember);
            startActivityForResult(intent, IntentConstants.RC_MEMBERS_UPDATED);
        }
    }
    
    private class OnPlayerClickListener implements OnItemClickListener {
      public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
        String selectedPlayer = adapterView.getItemAtPosition(position).toString();
        
        if(selectedPlayer.equals(getString(R.string.new_player))) {
          Intent intent = new Intent(mContext, PlayerActivity.class);
          startActivityForResult(intent, IntentConstants.RC_MEMBERS_UPDATED);
        }
        else {
          addNewMemberToList(selectedPlayer);
        }
      }
    }
}

Java Source Code List

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