SHOW:
|
|
- or go back to the newest paste.
1 | private void initControls() { | |
2 | // TODO Auto-generated method stub | |
3 | userInput = (EditText) findViewById (R.id.editTextDialogUserInput); | |
4 | ||
5 | save = (Button) findViewById (R.id.btSave); | |
6 | cancel = (Button) findViewById (R.id.btCancel); | |
7 | save.setOnClickListener(this); | |
8 | cancel.setOnClickListener(this); | |
9 | ||
10 | Bundle extras = getIntent().getExtras(); | |
11 | if (extras != null) { | |
12 | ||
13 | stID = extras.getString("dog_id"); | |
14 | dog_name = extras.getString("dog_name"); | |
15 | cursor = dbHelper.fetchbBreedByName(dog_name); | |
16 | ||
17 | strDesc = cursor.getString(cursor.getColumnIndexOrThrow("description")); | |
18 | Log.d("Animal ID", "Animal ID is " + stID + " and breed is " + dog_name); | |
19 | userInput.setText(strDesc); | |
20 | } | |
21 | ||
22 | } | |
23 | ||
24 | private void checkDatabaseConnection() { | |
25 | // TODO Auto-generated method stub | |
26 | dbHelper = new DBHelper(this); | |
27 | ||
28 | try { | |
29 | ||
30 | dbHelper.createDataBase(); | |
31 | ||
32 | } catch (IOException ioe) { | |
33 | ||
34 | throw new Error("Unable to create database"); | |
35 | ||
36 | } | |
37 | ||
38 | try { | |
39 | ||
40 | dbHelper.openDataBase(); | |
41 | ||
42 | } catch (SQLException sqle) { | |
43 | ||
44 | throw sqle; | |
45 | ||
46 | } | |
47 | ||
48 | ||
49 | } | |
50 | ||
51 | ||
52 | @Override | |
53 | public void onClick(View v) { | |
54 | // TODO Auto-generated method stub | |
55 | switch(v.getId()){ | |
56 | case R.id.btSave: | |
57 | if(userInput.equals("")){ | |
58 | Toast.makeText(this, "No input", Toast.LENGTH_SHORT).show(); | |
59 | ||
60 | } | |
61 | else { | |
62 | id = Long.valueOf(stID); | |
63 | dbHelper.updateDescription( id, userInput.getText().toString() ); | |
64 | Toast.makeText(this, "Description has been updated successfully!", | |
65 | Toast.LENGTH_SHORT).show(); | |
66 | ||
67 | strDesc = cursor.getString(cursor.getColumnIndexOrThrow("description")); | |
68 | ||
69 | Log.d("Updated", dog_name + " " + strDesc); | |
70 | Intent i = new Intent(this, DogClass.class); | |
71 | startActivity(i); | |
72 | finish(); | |
73 | } | |
74 | break; | |
75 | case R.id.btCancel: | |
76 | userInput.setText(""); | |
77 | break; | |
78 | } | |
79 | } | |
80 | ||
81 | @Override | |
82 | protected void onDestroy() { | |
83 | // TODO Auto-generated method stub | |
84 | dbHelper.close(); // close DB | |
85 | cursor.close(); // close cursor | |
86 | super.onDestroy(); | |
87 | - | } |
87 | + | |
88 | ||
89 | ||
90 | ||
91 | ||
92 | ||
93 | ||
94 | ||
95 | ||
96 | ||
97 | ||
98 | ||
99 | ||
100 | ||
101 | ||
102 | ||
103 | package com.pet101.util; | |
104 | ||
105 | import java.io.FileOutputStream; | |
106 | import java.io.IOException; | |
107 | import java.io.InputStream; | |
108 | import java.io.OutputStream; | |
109 | ||
110 | import android.annotation.SuppressLint; | |
111 | import android.content.ContentValues; | |
112 | import android.content.Context; | |
113 | import android.database.Cursor; | |
114 | import android.database.SQLException; | |
115 | import android.database.sqlite.SQLiteDatabase; | |
116 | import android.database.sqlite.SQLiteException; | |
117 | import android.database.sqlite.SQLiteOpenHelper; | |
118 | import android.util.Log; | |
119 | ||
120 | public class DBHelper extends SQLiteOpenHelper{ | |
121 | ||
122 | //The Android's default system path of your application database. | |
123 | @SuppressLint("SdCardPath") | |
124 | private static String DB_PATH = "/data/data/com.pet101/databases/"; | |
125 | private static String DB_NAME = "PetDB"; | |
126 | static String KEY_ID = "_id"; | |
127 | static String KEY_ANIMALTYPE = "animaltype"; | |
128 | static String KEY_BREED = "breed"; | |
129 | static String KEY_DESCRIPTION = "description"; | |
130 | static String KEY_DIET = "diet"; | |
131 | static String KEY_SHELTER = "shelter"; | |
132 | static String KEY_MEDICATION = "medication"; | |
133 | static String KEY_HYGIENE = "hygiene"; | |
134 | ||
135 | static String DB_TABLE = "tblAnimalInfo"; | |
136 | private SQLiteDatabase myDataBase; | |
137 | private final Context myContext; | |
138 | private static final int DATABASE_VERSION = 1; | |
139 | ||
140 | /** | |
141 | * Constructor | |
142 | * Takes and keeps a reference of the passed context in order to access to the application assets and resources. | |
143 | * @param context | |
144 | */ | |
145 | ||
146 | public DBHelper(Context context) { | |
147 | super(context, DB_NAME, null, DATABASE_VERSION); | |
148 | this.myContext = context; | |
149 | } | |
150 | ||
151 | /** | |
152 | * Creates a empty database on the system and rewrites it with your own database. | |
153 | * */ | |
154 | ||
155 | public void createDataBase() throws IOException { | |
156 | ||
157 | boolean dbExist = checkDataBase(); | |
158 | ||
159 | myDataBase = null; | |
160 | ||
161 | if (dbExist) { | |
162 | // do nothing - database already exist | |
163 | } else { | |
164 | ||
165 | // By calling this method and empty database will be created into | |
166 | // the default system path | |
167 | ||
168 | myDataBase = this.getReadableDatabase(); | |
169 | myDataBase.close(); | |
170 | ||
171 | try { | |
172 | copyDataBase(); | |
173 | } catch (IOException e) { | |
174 | throw new Error("Error copying database"); | |
175 | } | |
176 | } | |
177 | } | |
178 | ||
179 | /** | |
180 | * Check if the database already exist to avoid re-copying the file each time you open the application. | |
181 | * @return true if it exists, false if it doesn't | |
182 | */ | |
183 | ||
184 | private boolean checkDataBase(){ | |
185 | SQLiteDatabase checkDB = null; | |
186 | try{ | |
187 | String myPath = DB_PATH + DB_NAME; | |
188 | checkDB = SQLiteDatabase.openDatabase(myPath, null, SQLiteDatabase.OPEN_READONLY); | |
189 | }catch(SQLiteException e){ | |
190 | //database doesn't exist yet. | |
191 | } | |
192 | if(checkDB != null){ | |
193 | checkDB.close(); | |
194 | } | |
195 | ||
196 | return checkDB != null ? true : false; | |
197 | } | |
198 | ||
199 | /** | |
200 | * Copies your database from your local assets-folder to the just created empty database in the | |
201 | * system folder, from where it can be accessed and handled. | |
202 | * This is done by transfering bytestream. | |
203 | * */ | |
204 | ||
205 | private void copyDataBase() throws IOException{ | |
206 | ||
207 | //Open your local db as the input stream | |
208 | InputStream myInput = myContext.getAssets().open(DB_NAME); | |
209 | ||
210 | // Path to the just created empty db | |
211 | String outFileName = DB_PATH + DB_NAME; | |
212 | ||
213 | //Open the empty db as the output stream | |
214 | OutputStream myOutput = new FileOutputStream(outFileName); | |
215 | ||
216 | //transfer bytes from the inputfile to the outputfile | |
217 | byte[] buffer = new byte[1024]; | |
218 | int length; | |
219 | while ((length = myInput.read(buffer))>0){ | |
220 | myOutput.write(buffer, 0, length); | |
221 | } | |
222 | ||
223 | //Close the streams | |
224 | myOutput.flush(); | |
225 | myOutput.close(); | |
226 | myInput.close(); | |
227 | ||
228 | } | |
229 | ||
230 | public void openDataBase() throws SQLException { | |
231 | //Open the database | |
232 | myDataBase = this.getReadableDatabase(); | |
233 | String myPath = DB_PATH + DB_NAME; | |
234 | myDataBase = SQLiteDatabase.openDatabase( myPath, null, | |
235 | SQLiteDatabase.NO_LOCALIZED_COLLATORS | SQLiteDatabase.OPEN_READWRITE ); | |
236 | ||
237 | } | |
238 | ||
239 | @Override | |
240 | public synchronized void close() { | |
241 | if(myDataBase != null) | |
242 | myDataBase.close(); | |
243 | super.close(); | |
244 | } | |
245 | ||
246 | @Override | |
247 | public void onCreate(SQLiteDatabase db) { | |
248 | try { | |
249 | createDataBase(); | |
250 | } catch (IOException e) { | |
251 | // TODO Auto-generated catch block | |
252 | e.printStackTrace(); | |
253 | } | |
254 | } | |
255 | ||
256 | @Override | |
257 | public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { | |
258 | Log.w("Test", "Upgrading DB from version " + oldVersion + " to " + | |
259 | newVersion + ", which will destroy all old data"); | |
260 | db.execSQL("DROP TABLE IF EXISTS " + DB_TABLE); | |
261 | onCreate(db); | |
262 | } | |
263 | ||
264 | public Cursor getAllAnimals() | |
265 | { | |
266 | Cursor localCursor = // | |
267 | this.myDataBase.query(DB_TABLE, new String[] { | |
268 | KEY_ID, KEY_DESCRIPTION, KEY_DIET, KEY_SHELTER, | |
269 | KEY_HYGIENE, KEY_MEDICATION, KEY_BREED }, null, null, null, null, null); | |
270 | ||
271 | if (localCursor != null) | |
272 | localCursor.moveToFirst(); | |
273 | return localCursor; | |
274 | } | |
275 | ||
276 | public String[] getAllAnimals(CharSequence animaltype) throws SQLException | |
277 | { | |
278 | Cursor localCursor = | |
279 | this.myDataBase.query(DB_TABLE, new String[] { | |
280 | KEY_ID, KEY_BREED }, | |
281 | KEY_ANIMALTYPE + " = '" + animaltype + "'", null, | |
282 | null, null, null, null); | |
283 | ||
284 | String[] values = new String[localCursor.getCount()]; | |
285 | int i = 0; | |
286 | for (localCursor.moveToFirst(); !localCursor.isAfterLast(); localCursor.moveToNext()) { | |
287 | values[i] = localCursor.getString(localCursor.getColumnIndex(KEY_BREED)); | |
288 | i++; | |
289 | } | |
290 | localCursor.close(); | |
291 | return values; | |
292 | ||
293 | } | |
294 | ||
295 | public Cursor fetchbBreedByName(CharSequence breed) throws SQLException { | |
296 | ||
297 | Cursor mCursor = null; | |
298 | if (breed == null || breed.length () == 0) { | |
299 | mCursor = myDataBase.query(DB_TABLE, new String[] { KEY_ID, KEY_DESCRIPTION, | |
300 | KEY_DIET, KEY_SHELTER, KEY_HYGIENE, KEY_MEDICATION, KEY_BREED }, | |
301 | null, null, null, null, null); | |
302 | ||
303 | } | |
304 | else { | |
305 | mCursor = myDataBase.query(DB_TABLE, new String[] { KEY_ID, KEY_DESCRIPTION, | |
306 | KEY_DIET, KEY_SHELTER, KEY_HYGIENE, KEY_MEDICATION, KEY_BREED }, | |
307 | KEY_BREED + " like '%" + breed + "%'", null, null, null, null); | |
308 | } | |
309 | ||
310 | if (mCursor != null) { | |
311 | mCursor.moveToFirst(); | |
312 | } | |
313 | ||
314 | return mCursor; | |
315 | } | |
316 | ||
317 | public long addAnimalInfo( String ANIMALTYPE, String DESCRIPTION, String DIET, | |
318 | String SHELTER, String HYGIENE, String MEDICATION, String BREED ) { | |
319 | ||
320 | ContentValues cv = new ContentValues(); | |
321 | cv.put(KEY_ANIMALTYPE, ANIMALTYPE); | |
322 | cv.put(KEY_DESCRIPTION, DESCRIPTION); | |
323 | cv.put(KEY_DIET, DIET); | |
324 | cv.put(KEY_SHELTER, SHELTER); | |
325 | cv.put(KEY_HYGIENE, HYGIENE); | |
326 | cv.put(KEY_MEDICATION, MEDICATION); | |
327 | cv.put(KEY_BREED, BREED); | |
328 | ||
329 | return myDataBase.insert(DB_TABLE, null, cv); | |
330 | ||
331 | } | |
332 | ||
333 | public long addDescription( String DESCRIPTION, String BREED ) { | |
334 | ||
335 | ContentValues cv = new ContentValues(); | |
336 | cv.put(KEY_DESCRIPTION, DESCRIPTION); | |
337 | cv.put(KEY_BREED, BREED); | |
338 | ||
339 | return myDataBase.insert(DB_TABLE, null, cv); | |
340 | ||
341 | } | |
342 | ||
343 | public long addDiet( String DIET, String BREED ) { | |
344 | ||
345 | ContentValues cv = new ContentValues(); | |
346 | cv.put(KEY_DIET, DIET); | |
347 | cv.put(KEY_BREED, BREED); | |
348 | ||
349 | return myDataBase.insert(DB_TABLE, null, cv); | |
350 | ||
351 | } | |
352 | ||
353 | public long addShelter( String SHELTER, String BREED ) { | |
354 | ||
355 | ContentValues cv = new ContentValues(); | |
356 | cv.put(KEY_SHELTER, SHELTER); | |
357 | cv.put(KEY_BREED, BREED); | |
358 | ||
359 | return myDataBase.insert(DB_TABLE, null, cv); | |
360 | ||
361 | } | |
362 | ||
363 | public long addHygiene( String HYGIENE, String BREED ) { | |
364 | ||
365 | ContentValues cv = new ContentValues(); | |
366 | cv.put(KEY_HYGIENE, HYGIENE); | |
367 | cv.put(KEY_BREED, BREED); | |
368 | ||
369 | return myDataBase.insert(DB_TABLE, null, cv); | |
370 | ||
371 | } | |
372 | ||
373 | public long addMedication( String MEDICATION, String BREED ) { | |
374 | ||
375 | ContentValues cv = new ContentValues(); | |
376 | cv.put(KEY_MEDICATION, MEDICATION); | |
377 | cv.put(KEY_BREED, BREED); | |
378 | ||
379 | return myDataBase.insert(DB_TABLE, null, cv); | |
380 | ||
381 | } | |
382 | ||
383 | public boolean updateDescription( long lId, String DESCRIPTION ) { | |
384 | ||
385 | ContentValues cvUpdate = new ContentValues(); | |
386 | cvUpdate.put(KEY_DESCRIPTION, DESCRIPTION); | |
387 | ||
388 | return myDataBase.update(DB_TABLE, cvUpdate, KEY_ID + " = " + lId, null)> 0; | |
389 | ||
390 | } | |
391 | ||
392 | public boolean updateDiet( long lId, String DIET) { | |
393 | ContentValues cvUpdate = new ContentValues(); | |
394 | ||
395 | cvUpdate.put(KEY_DIET, DIET); | |
396 | ||
397 | return myDataBase.update(DB_TABLE, cvUpdate, KEY_ID + " = " + lId, null)> 0; | |
398 | } | |
399 | ||
400 | public void updateShelter( long lId, String SHELTER ) { | |
401 | ContentValues cvUpdate = new ContentValues(); | |
402 | ||
403 | cvUpdate.put(KEY_SHELTER, SHELTER); | |
404 | ||
405 | myDataBase.update(DB_TABLE, cvUpdate, KEY_ID + " = " + lId, null); | |
406 | } | |
407 | ||
408 | public void updateHygiene( long lId,String HYGIENE ) { | |
409 | ContentValues cvUpdate = new ContentValues(); | |
410 | ||
411 | cvUpdate.put(KEY_HYGIENE, HYGIENE); | |
412 | ||
413 | myDataBase.update(DB_TABLE, cvUpdate, KEY_ID + " = " + lId, null); | |
414 | } | |
415 | ||
416 | public void updateMedication( long lId, String MEDICATION ) { | |
417 | ContentValues cvUpdate = new ContentValues(); | |
418 | ||
419 | cvUpdate.put(KEY_MEDICATION, MEDICATION); | |
420 | ||
421 | myDataBase.update(DB_TABLE, cvUpdate, KEY_ID + " = " + lId, null); | |
422 | } | |
423 | ||
424 | ||
425 | } |