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| 1 | package de.pointedears.converter.app; |
1 | package de.pointedears.converter.app; |
| 2 | 2 | ||
| 3 | import java.util.HashMap; |
3 | import java.util.HashMap; |
| 4 | 4 | ||
| 5 | import android.app.Activity; |
5 | import android.app.Activity; |
| 6 | import android.database.Cursor; |
- | |
| 7 | import android.database.sqlite.SQLiteDatabase; |
- | |
| 8 | import android.database.sqlite.SQLiteException; |
- | |
| 9 | import android.os.Bundle; |
6 | import android.os.Bundle; |
| 10 | import android.text.Editable; |
7 | import android.text.Editable; |
| 11 | import android.view.KeyEvent; |
8 | import android.view.KeyEvent; |
| 12 | import android.view.Menu; |
9 | import android.view.Menu; |
| 13 | import android.view.MenuInflater; |
10 | import android.view.MenuInflater; |
| Line 28... | Line 25... | ||
| 28 | */
|
25 | */
|
| 29 | public class CurrenciesActivity extends Activity |
26 | public class CurrenciesActivity extends Activity |
| 30 | {
|
27 | {
|
| 31 | /*
|
28 | /*
|
| 32 | * Constants for mapping value strings
|
29 | * Constants for mapping value strings
|
| - | 30 | *
|
|
| - | 31 | * @todo: Use resource IDs
|
|
| - | 32 | */
|
|
| - | 33 | /**
|
|
| - | 34 | * Database field/spinner value for Swiss Francs
|
|
| - | 35 | */
|
|
| - | 36 | public static final String VALUE_CHF = "CHF"; //$NON-NLS-1$ |
|
| - | 37 | ||
| - | 38 | /**
|
|
| - | 39 | * Database field/spinner value for Euros
|
|
| 33 | */
|
40 | */
|
| 34 | private static final String VALUE_CHF = "CHF"; //$NON-NLS-1$ |
- | |
| 35 | private static final String VALUE_EUR = "EUR"; //$NON-NLS-1$ |
- | |
| 36 | private static final String VALUE_USD = "USD"; //$NON-NLS-1$ |
- | |
| 37 | 41 | ||
| - | 42 | public static final String VALUE_EUR = "EUR"; //$NON-NLS-1$ |
|
| - | 43 | ||
| - | 44 | /**
|
|
| - | 45 | * Database field/spinner value for US Dollars
|
|
| - | 46 | */
|
|
| 38 | protected static HashMap<String, HashMap<String, Double>> currencyConversions; |
47 | public static final String VALUE_USD = "USD"; //$NON-NLS-1$ |
| 39 | 48 | ||
| 40 | /* Unit spinners (dropdowns) */
|
49 | /* Unit spinners (dropdowns) */
|
| 41 | private Spinner spinnerUnit1; |
50 | private Spinner spinnerUnit1; |
| 42 | private Spinner spinnerUnit2; |
51 | private Spinner spinnerUnit2; |
| - | 52 | private CurrenciesDatabase db; |
|
| - | 53 | ||
| - | 54 | private HashMap<String, HashMap<String, Double>> conversionRates; |
|
| 43 | 55 | ||
| 44 | /** Called when the activity is first created. */
|
56 | /** Called when the activity is first created. */
|
| 45 | 57 | ||
| 46 | @Override |
58 | @Override |
| 47 | public void onCreate(Bundle savedInstanceState) |
59 | public void onCreate(Bundle savedInstanceState) |
| 48 | {
|
60 | {
|
| 49 | super.onCreate(savedInstanceState); |
61 | super.onCreate(savedInstanceState); |
| 50 | this.setContentView(R.layout.activity_currencies); |
62 | this.setContentView(R.layout.activity_currencies); |
| 51 | 63 | ||
| 52 | /* Set up currency database */
|
64 | /* Set up currency database, and retrieve conversion rates */
|
| 53 | CurrenciesActivity.currencyConversions =
|
- | |
| 54 | new HashMap<String, HashMap<String, Double>>(); |
- | |
| 55 | - | ||
| 56 | HashMap<String, Double> conversionFactors = new HashMap<String, Double>(); |
- | |
| 57 | conversionFactors.put(CurrenciesActivity.VALUE_EUR, 0.767842293); |
- | |
| 58 | conversionFactors.put(CurrenciesActivity.VALUE_USD, 1.03413); |
- | |
| 59 | CurrenciesActivity.currencyConversions.put(CurrenciesActivity.VALUE_CHF, |
- | |
| 60 | conversionFactors); |
- | |
| 61 | - | ||
| 62 | conversionFactors = new HashMap<String, Double>(); |
- | |
| 63 | conversionFactors.put(CurrenciesActivity.VALUE_CHF, 1.30235077); |
- | |
| 64 | conversionFactors.put(CurrenciesActivity.VALUE_USD, 1.3468); |
- | |
| 65 | CurrenciesActivity.currencyConversions.put(CurrenciesActivity.VALUE_EUR, |
- | |
| 66 | conversionFactors); |
- | |
| 67 | - | ||
| 68 | conversionFactors = new HashMap<String, Double>(); |
- | |
| 69 | conversionFactors.put(CurrenciesActivity.VALUE_CHF, 0.966996412); |
- | |
| 70 | conversionFactors.put(CurrenciesActivity.VALUE_EUR, 0.742500743); |
- | |
| 71 | CurrenciesActivity.currencyConversions.put(CurrenciesActivity.VALUE_USD, |
- | |
| 72 | conversionFactors); |
- | |
| 73 | - | ||
| 74 | /* Create database with values above if it does not exist */
|
- | |
| 75 | CurrenciesDatabase db = new CurrenciesDatabase(this); |
65 | this.db = new CurrenciesDatabase(this); |
| 76 | try
|
- | |
| 77 | {
|
- | |
| 78 | SQLiteDatabase dbConn = db.getReadableDatabase(); |
66 | this.conversionRates = this.db.getConversionRates(); |
| 79 | - | ||
| 80 | @SuppressWarnings("nls") |
- | |
| 81 | Cursor myCursor = |
- | |
| 82 | dbConn.query(true, CurrenciesDatabase.TABLE, null, null, null, null, |
- | |
| 83 | null, CurrenciesDatabase.COLUMN_CURRENCY1 + "," |
- | |
| 84 | + CurrenciesDatabase.COLUMN_CURRENCY2, null); |
- | |
| 85 | - | ||
| 86 | @SuppressWarnings({ "unused", "nls" }) |
- | |
| 87 | String queryResult = ""; |
- | |
| 88 | if (myCursor != null) |
- | |
| 89 | {
|
- | |
| 90 | try
|
- | |
| 91 | {
|
- | |
| 92 | int currency1Id =
|
- | |
| 93 | myCursor |
- | |
| 94 | .getColumnIndexOrThrow(CurrenciesDatabase.COLUMN_CURRENCY1); |
- | |
| 95 | int currency2Id =
|
- | |
| 96 | myCursor |
- | |
| 97 | .getColumnIndexOrThrow(CurrenciesDatabase.COLUMN_CURRENCY2); |
- | |
| 98 | int factorId =
|
- | |
| 99 | myCursor.getColumnIndexOrThrow(CurrenciesDatabase.COLUMN_FACTOR); |
- | |
| 100 | - | ||
| 101 | if (myCursor.moveToFirst()) |
- | |
| 102 | {
|
- | |
| 103 | do
|
- | |
| 104 | {
|
- | |
| 105 | String currency1Str = myCursor.getString(currency1Id); |
- | |
| 106 | String currency2Str = myCursor.getString(currency2Id); |
- | |
| 107 | Double factor = myCursor.getDouble(factorId); |
- | |
| 108 | - | ||
| 109 | /* DEBUG */
|
- | |
| 110 | queryResult += |
- | |
| 111 | currency1Str + " --> " + currency2Str + ": " + factor + "\n"; |
- | |
| 112 | }
|
- | |
| 113 | while (myCursor.moveToNext()); |
- | |
| 114 | }
|
- | |
| 115 | }
|
- | |
| 116 | catch (IllegalArgumentException e) |
- | |
| 117 | {
|
- | |
| 118 | /* Could not retrieve column index */
|
- | |
| 119 | e.printStackTrace(); |
- | |
| 120 | }
|
- | |
| 121 | }
|
- | |
| 122 | - | ||
| 123 | /* TODO: Close only on exit */
|
- | |
| 124 | dbConn.close(); |
- | |
| 125 | }
|
- | |
| 126 | catch (SQLiteException e1) |
- | |
| 127 | {
|
- | |
| 128 | /* Could not open database */
|
- | |
| 129 | e1.printStackTrace(); |
- | |
| 130 | }
|
- | |
| 131 | 67 | ||
| 132 | final EditText editValue1 =
|
68 | final EditText editValue1 =
|
| 133 | (EditText) this.findViewById(R.id.currencies_edit_value1); |
69 | (EditText) this.findViewById(R.id.currencies_edit_value1); |
| 134 | final EditText editValue2 =
|
70 | final EditText editValue2 =
|
| 135 | (EditText) this.findViewById(R.id.currencies_edit_value2); |
71 | (EditText) this.findViewById(R.id.currencies_edit_value2); |
| Line 252... | Line 188... | ||
| 252 | }
|
188 | }
|
| 253 | 189 | ||
| 254 | Double newValue = value; |
190 | Double newValue = value; |
| 255 | 191 | ||
| 256 | HashMap<String, Double> mapForCurrency = |
192 | HashMap<String, Double> mapForCurrency = |
| 257 | CurrenciesActivity.currencyConversions.get(selectedItemValue1); |
193 | this.conversionRates.get(selectedItemValue1); |
| 258 | if (mapForCurrency != null) |
194 | if (mapForCurrency != null) |
| 259 | {
|
195 | {
|
| 260 | Double conversionFactor = mapForCurrency.get(selectedItemValue2); |
196 | Double conversionFactor = mapForCurrency.get(selectedItemValue2); |
| 261 | if (conversionFactor != null) |
197 | if (conversionFactor != null) |
| 262 | {
|
198 | {
|
| Line 270... | Line 206... | ||
| 270 | /*
|
206 | /*
|
| 271 | * (non-Javadoc)
|
207 | * (non-Javadoc)
|
| 272 | *
|
208 | *
|
| 273 | * @see android.app.Activity#onCreateOptionsMenu(android.view.Menu)
|
209 | * @see android.app.Activity#onCreateOptionsMenu(android.view.Menu)
|
| 274 | */
|
210 | */
|
| - | 211 | /*
|
|
| - | 212 | * (non-Javadoc)
|
|
| - | 213 | *
|
|
| - | 214 | * @see android.app.Activity#onCreateOptionsMenu(android.view.Menu)
|
|
| - | 215 | */
|
|
| 275 | @Override |
216 | @Override |
| 276 | public boolean onCreateOptionsMenu(Menu menu) |
217 | public boolean onCreateOptionsMenu(Menu menu) |
| 277 | {
|
218 | {
|
| 278 | MenuInflater inflater = this.getMenuInflater(); |
219 | MenuInflater inflater = this.getMenuInflater(); |
| 279 | inflater.inflate(R.menu.options, menu); |
220 | inflater.inflate(R.menu.options, menu); |
| Line 283... | Line 224... | ||
| 283 | /*
|
224 | /*
|
| 284 | * (non-Javadoc)
|
225 | * (non-Javadoc)
|
| 285 | *
|
226 | *
|
| 286 | * @see android.app.Activity#onOptionsItemSelected(android.view.MenuItem)
|
227 | * @see android.app.Activity#onOptionsItemSelected(android.view.MenuItem)
|
| 287 | */
|
228 | */
|
| - | 229 | /*
|
|
| - | 230 | * (non-Javadoc)
|
|
| - | 231 | *
|
|
| - | 232 | * @see android.app.Activity#onOptionsItemSelected(android.view.MenuItem)
|
|
| - | 233 | */
|
|
| 288 | @Override |
234 | @Override |
| 289 | public boolean onOptionsItemSelected(MenuItem item) |
235 | public boolean onOptionsItemSelected(MenuItem item) |
| 290 | {
|
236 | {
|
| 291 | /* update here */
|
237 | /* update here */
|
| 292 | return super.onOptionsItemSelected(item); |
238 | return super.onOptionsItemSelected(item); |
| 293 | }
|
239 | }
|
| 294 | - | ||
| 295 | /**
|
- | |
| 296 | * @return
|
- | |
| 297 | */
|
- | |
| 298 | public HashMap<String, HashMap<String, Double>> getCurrencyConversions() |
- | |
| 299 | {
|
- | |
| 300 | return CurrenciesActivity.currencyConversions; |
- | |
| 301 | }
|
- | |
| 302 | }
|
240 | }
|