Android Open Source - android-todo-list Todo Edit Fragment

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License

The source code is released under:
MIT License
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Java Source Code

/* The MIT License (MIT)
 * /*from w  w  w  . jav  a2  s . c  om*/
 * Copyright (c) 2014 Stephen Just
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package ca.stephenjust.todolist;

import android.app.Activity;
import android.app.DialogFragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;


/**
 * Dialog that prompts for the text of a to-do item.
 * @author Stephen Just
 *
 */
public class TodoEditFragment extends DialogFragment {
  // Arguments
  private static final String ARG_ITEM = "todo_item";

  private String mItem;
  private OnFragmentInteractionListener mListener;
  private EditText mEditText;
  
  /**
   * Use this factory method to create a new instance of this fragment using
   * the provided parameters.
   * 
   * @param item To-do item text, may be blank.
   * @return A new instance of fragment TodoEditFragment.
   */
  public static TodoEditFragment newInstance(String item) {
    TodoEditFragment fragment = new TodoEditFragment();
    Bundle args = new Bundle();
    args.putString(ARG_ITEM, item);
    fragment.setArguments(args);
    return fragment;
  }

  public TodoEditFragment() {
    // Required empty public constructor
  }

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // Pre-fill text if available.
    if (getArguments() != null) {
      mItem = getArguments().getString(ARG_ITEM);
    }
    // Set the dialog box to be white with no window decorations.
    setStyle(DialogFragment.STYLE_NO_TITLE,
        android.R.style.Theme_Holo_Light_Dialog_MinWidth);
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    // Inflate the layout for this fragment
    View view = inflater.inflate(R.layout.fragment_todo_edit, container,
        false);
    mEditText = (EditText) view.findViewById(R.id.editItemText);
    mEditText.setText(mItem);
    Button b = (Button) view.findViewById(R.id.editItemSave);
    b.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        if (mListener != null) {
          // Send text back to fragment so that item can be added to list.
          Bundle bundle = new Bundle();
          bundle.putString("fragment", "edit");
          bundle.putString("value", mEditText.getText().toString());
          mListener.onFragmentInteraction(bundle);
        }
        dismiss();
      }

    });
    
    return view;
  }

  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);
    try {
      mListener = (OnFragmentInteractionListener) activity;
    } catch (ClassCastException e) {
      throw new ClassCastException(activity.toString()
          + " must implement OnFragmentInteractionListener");
    }
  }

  @Override
  public void onDetach() {
    super.onDetach();
    mListener = null;
  }

  /**
   * This interface must be implemented by activities that contain this
   * fragment to allow an interaction in this fragment to be communicated to
   * the activity and potentially other fragments contained in that activity.
   */
  public interface OnFragmentInteractionListener {
    public void onFragmentInteraction(Bundle bundle);
  }

}
Java Source Code List
