1 | |
2 | package com.example.i2at.tc; |
3 | |
4 | import java.util.List; |
5 | |
6 | import android.content.ComponentName; |
7 | import android.content.pm.InstrumentationInfo; |
8 | import android.os.Bundle; |
9 | import android.text.Editable; |
10 | import android.text.TextWatcher; |
11 | import android.view.Menu; |
12 | import android.view.MenuItem; |
13 | import android.widget.TextView; |
14 | import android.widget.Toast; |
15 | |
16 | import com.android.debug.hv.LocalViewServerActivity; |
17 | |
18 | /** |
19 | * <em>TemperatureConverterActivity</em> is a demonstration Activity used to |
20 | * show some testing features. |
21 | * |
22 | * @author diego |
23 | */ |
24 | public class TemperatureConverterActivity extends LocalViewServerActivity { |
25 | public static final String FAHRENHEIT_KEY = "com.example.i2at.tc.Fahrenheit"; |
26 | |
27 | public static final String CELSIUS_KEY = "com.example.i2at.tc.Celsius"; |
28 | |
29 | @SuppressWarnings("unused") |
30 | private static final String TAG = "TemperatureConverterActivity"; |
31 | |
32 | private static final int MENU_ITEM_RUN_TESTS = 1; |
33 | |
34 | private static final boolean DEBUG = false; |
35 | |
36 | public abstract class TemperatureChangeWatcher implements TextWatcher { |
37 | private EditNumber mSource; |
38 | private EditNumber mDest; |
39 | |
40 | /** |
41 | * @param source |
42 | * @param dest |
43 | */ |
44 | public TemperatureChangeWatcher(EditNumber source, EditNumber dest) { |
45 | this.mSource = source; |
46 | this.mDest = dest; |
47 | } |
48 | |
49 | /* |
50 | * (non-Javadoc) |
51 | * @see android.text.TextWatcher#afterTextChanged(android.text.Editable) |
52 | */ |
53 | @Override |
54 | public void afterTextChanged(Editable arg0) { |
55 | // TODO Auto-generated method stub |
56 | |
57 | } |
58 | |
59 | /* |
60 | * (non-Javadoc) |
61 | * @see android.text.TextWatcher#onTextChanged(java.lang.CharSequence, |
62 | * int, int, int) |
63 | */ |
64 | @Override |
65 | public void onTextChanged(CharSequence s, int start, int before, |
66 | int count) { |
67 | if (!mDest.hasWindowFocus() || mDest.hasFocus() || s == null) { |
68 | return; |
69 | } |
70 | final String str = s.toString(); |
71 | if ("".equals(str)) { |
72 | mDest.setText(""); |
73 | return; |
74 | } |
75 | try { |
76 | android.util.Log.v("TemperatureChangeWatcher", "converting temp=" + str + "{" |
77 | + Double.parseDouble(str) + "}"); |
78 | final double result = convert(Double.parseDouble(str)); |
79 | android.util.Log.v("TemperatureChangeWatcher", "result=" + result); |
80 | // final String resutlStr = String.format("%.2f", result); |
81 | mDest.setNumber(result); |
82 | } catch (NumberFormatException e) { |
83 | // WARNING: |
84 | // this is thrown while a number is entered |
85 | // for example just a '-' |
86 | } catch (Exception e) { |
87 | mSource.setError("ERROR: " + e.getLocalizedMessage()); |
88 | } |
89 | } |
90 | |
91 | protected abstract double convert(double temp); |
92 | |
93 | /* |
94 | * (non-Javadoc) |
95 | * @see android.text.TextWatcher#onTextChanged(java.lang.CharSequence, |
96 | * int, int, int) |
97 | */ |
98 | @Override |
99 | public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, |
100 | int arg3) { |
101 | // TODO Auto-generated method stub |
102 | |
103 | } |
104 | |
105 | } |
106 | |
107 | private EditNumber mCelsius; |
108 | private EditNumber mFahrenheit; |
109 | |
110 | private TextView mDebug; |
111 | |
112 | /** Called when the activity is first created. */ |
113 | @Override |
114 | public void onCreate(Bundle savedInstanceState) { |
115 | super.onCreate(savedInstanceState); |
116 | setContentView(R.layout.main); |
117 | |
118 | mCelsius = (EditNumber) findViewById(R.id.celsius); |
119 | mFahrenheit = (EditNumber) findViewById(R.id.fahrenheit); |
120 | |
121 | mCelsius.addTextChangedListener(new TemperatureChangeWatcher(mCelsius, mFahrenheit) { |
122 | |
123 | @Override |
124 | protected double convert(double temp) { |
125 | int[] location = new int[2]; |
126 | mCelsius.getLocationOnScreen(location); |
127 | mDebug.append("celsius: loc on screen (" + location[0] + "," + location[1] + ")\n"); |
128 | mDebug.append(" pos (" + mCelsius.getLeft() + "," + mCelsius.getTop() |
129 | + ")\n"); |
130 | mFahrenheit.getLocationOnScreen(location); |
131 | mDebug.append("fahrenheit: loc on screen (" + location[0] + "," + location[1] |
132 | + ")\n"); |
133 | mDebug.append(" pos (" + mFahrenheit.getLeft() + "," + mFahrenheit.getTop() |
134 | + ")\n"); |
135 | return TemperatureConverter.celsiusToFahrenheit(temp); |
136 | } |
137 | |
138 | }); |
139 | |
140 | mFahrenheit.addTextChangedListener(new TemperatureChangeWatcher(mFahrenheit, mCelsius) { |
141 | |
142 | @Override |
143 | protected double convert(double temp) { |
144 | return TemperatureConverter.fahrenheitToCelsius(temp); |
145 | } |
146 | |
147 | }); |
148 | |
149 | if (savedInstanceState != null) { |
150 | if (savedInstanceState.containsKey(CELSIUS_KEY)) { |
151 | mCelsius.setNumber(savedInstanceState.getDouble(CELSIUS_KEY)); |
152 | } |
153 | else if (savedInstanceState.containsKey(FAHRENHEIT_KEY)) { |
154 | mFahrenheit.setNumber(savedInstanceState.getDouble(FAHRENHEIT_KEY)); |
155 | } |
156 | } |
157 | } |
158 | |
159 | /* |
160 | * (non-Javadoc) |
161 | * @see android.app.Activity#onAttachedToWindow() |
162 | */ |
163 | @Override |
164 | public void onAttachedToWindow() { |
165 | super.onAttachedToWindow(); |
166 | if (DEBUG) { |
167 | mDebug = (TextView) findViewById(R.id.debug); |
168 | int[] location = new int[2]; |
169 | mCelsius.getLocationOnScreen(location); |
170 | mDebug.append("DEBUG:\n"); |
171 | mDebug.append("celsius: loc on screen (" + location[0] + "," + location[1] + ")\n"); |
172 | mDebug.append(" pos (" + mDebug.getLeft() + "," + mDebug.getTop() + ")\n"); |
173 | } |
174 | } |
175 | |
176 | @Override |
177 | public boolean onCreateOptionsMenu(Menu menu) { |
178 | menu.add(Menu.NONE, MENU_ITEM_RUN_TESTS, Menu.NONE, "Run tests").setIcon( |
179 | android.R.drawable.ic_menu_manage); |
180 | return super.onCreateOptionsMenu(menu); |
181 | } |
182 | |
183 | @Override |
184 | public boolean onOptionsItemSelected(MenuItem item) { |
185 | switch (item.getItemId()) { |
186 | case MENU_ITEM_RUN_TESTS: |
187 | runTests(); |
188 | return true; |
189 | } |
190 | return super.onOptionsItemSelected(item); |
191 | } |
192 | |
193 | private void runTests() { |
194 | final String packageName = getPackageName(); |
195 | final List<InstrumentationInfo> list = getPackageManager().queryInstrumentation( |
196 | packageName, 0); |
197 | if (list.isEmpty()) { |
198 | Toast.makeText(this, "Cannot find instrumentation for " + packageName, |
199 | Toast.LENGTH_SHORT).show(); |
200 | return; |
201 | } |
202 | InstrumentationInfo instrumentationInfo = null; |
203 | for (InstrumentationInfo ii : list) { |
204 | if ((packageName + ".test").equals(ii.packageName)) { |
205 | instrumentationInfo = ii; |
206 | break; |
207 | } |
208 | } |
209 | final ComponentName componentName = new ComponentName(instrumentationInfo.packageName, |
210 | instrumentationInfo.name); |
211 | if (!startInstrumentation(componentName, null, null)) { |
212 | Toast.makeText(this, "Cannot run instrumentation for " + packageName, |
213 | Toast.LENGTH_SHORT).show(); |
214 | } |
215 | } |
216 | |
217 | public double getCelsius() { |
218 | return mCelsius.getNumber(); |
219 | } |
220 | |
221 | public double getFahrenheit() { |
222 | return mFahrenheit.getNumber(); |
223 | } |
224 | |
225 | } |