| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.example.android.notepad; |
| |
| import android.app.Activity; |
| import android.content.ContentValues; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.view.View; |
| import android.widget.Button; |
| import android.widget.EditText; |
| |
| import com.example.android.notepad.NotePad.NoteColumns; |
| |
| /** |
| * An activity that will edit the title of a note. Displays a floating |
| * window with a text field. |
| */ |
| public class TitleEditor extends Activity implements View.OnClickListener { |
| |
| /** |
| * This is a special intent action that means "edit the title of a note". |
| */ |
| public static final String EDIT_TITLE_ACTION = "com.android.notepad.action.EDIT_TITLE"; |
| |
| /** |
| * An array of the columns we are interested in. |
| */ |
| private static final String[] PROJECTION = new String[] { |
| NoteColumns._ID, // 0 |
| NoteColumns.TITLE, // 1 |
| }; |
| /** Index of the title column */ |
| private static final int COLUMN_INDEX_TITLE = 1; |
| |
| /** |
| * Cursor which will provide access to the note whose title we are editing. |
| */ |
| private Cursor mCursor; |
| |
| /** |
| * The EditText field from our UI. Keep track of this so we can extract the |
| * text when we are finished. |
| */ |
| private EditText mText; |
| |
| /** |
| * The content URI to the note that's being edited. |
| */ |
| private Uri mUri; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| setContentView(R.layout.title_editor); |
| |
| // Get the uri of the note whose title we want to edit |
| mUri = getIntent().getData(); |
| |
| // Get a cursor to access the note |
| mCursor = managedQuery(mUri, PROJECTION, null, null, null); |
| |
| // Set up click handlers for the text field and button |
| mText = (EditText) this.findViewById(R.id.title); |
| mText.setOnClickListener(this); |
| |
| Button b = (Button) findViewById(R.id.ok); |
| b.setOnClickListener(this); |
| } |
| |
| @Override |
| protected void onResume() { |
| super.onResume(); |
| |
| // Initialize the text with the title column from the cursor |
| if (mCursor != null) { |
| mCursor.moveToFirst(); |
| mText.setText(mCursor.getString(COLUMN_INDEX_TITLE)); |
| } |
| } |
| |
| @Override |
| protected void onPause() { |
| super.onPause(); |
| |
| if (mCursor != null) { |
| // Write the title back to the note |
| ContentValues values = new ContentValues(); |
| values.put(NoteColumns.TITLE, mText.getText().toString()); |
| getContentResolver().update(mUri, values, null, null); |
| } |
| } |
| |
| public void onClick(View v) { |
| // When the user clicks, just finish this activity. |
| // onPause will be called, and we save our data there. |
| finish(); |
| } |
| } |