ListView in einem LinearLayout

1<?xml version="1.0" encoding="utf-8"?>
2<LinearLayout
3 android:id="@+id/Suche"
4 android:layout_width="fill_parent"
5 android:layout_height="fill_parent"
6 android:orientation="vertical"
7 xmlns:android="http://schemas.android.com/apk/res/android"
8 >
9 <TextView
10 android:id="@+id/BarBeschriftungSuche"
11 android:layout_width="wrap_content"
12 android:layout_height="wrap_content"
13 android:layout_marginBottom="5px"
14 android:text="Suche nach einer Bar:"
15 android:textStyle="bold" />
16
17 <EditText
18 android:id="@+id/SucheBar"
19 android:layout_width="fill_parent"
20 android:layout_marginBottom="10px"
21 android:textSize="18dip"
22 android:lines="1"
23 android:layout_height="45dip"
24 android:padding="5dip" />
25
26 <RelativeLayout
27 xmlns:android="http://schemas.android.com/apk/res/android"
28 android:id="@+id/title"
29 android:layout_width="wrap_content"
30 android:layout_height="wrap_content"
31 android:layout_gravity="left|center" >
32 <Button
33 android:id="@+id/SucheStarten"
34 android:layout_width="wrap_content"
35 android:layout_height="wrap_content"
36 android:layout_marginBottom="10px"
37 android:text="Suche starten" />
38 <Button
39 android:id="@+id/TakeLocation"
40 android:layout_width="wrap_content"
41 android:layout_height="wrap_content"
42 android:layout_marginBottom="10px"
43 android:text="Ort übernehmen"
44 android:layout_toRightOf="@id/SucheStarten"
45 android:layout_marginLeft="10px" />
46 </RelativeLayout>
47
48 <TextView
49 android:id="@+id/Ergebnis"
50 android:layout_width="wrap_content"
51 android:layout_height="wrap_content"
52 android:layout_marginBottom="5px"
53 android:textSize="18dip"
54 android:textStyle="bold"/>
55
56 <ListView
57 android:id="@+id/SuchErgebnis"
58 android:layout_width="fill_parent"
59 android:layout_height="fill_parent" />
60 <!--
61 <TextView
62 android:id="@+id/SuchErgebnis"
63 android:layout_width="wrap_content"
64 android:layout_height="wrap_content"
65 android:layout_marginBottom="5px"
66 android:textStyle="bold"/>
67 -->
68</LinearLayout>

1if(ergList.size()>0) {
2
3 for(Iterator i = ergList.iterator();i.hasNext();) {
4 ergebnis += ((Bar) i.next()).getName() + "\n"; // ergebnis ist ein String muss dieser static sein?
5 }
6 setListAdapter(new ArrayAdapter<String>(this, R.layout.simple_list_item_1, ergebnis)); //hier gibt er immer ein Fehler das es kein Constructor definiert wäre
7
8 ListView lv = getListView();
9 lv.setTextFilterEnabled(true);
10
11 }

1public class SearchBar extends ListActivity{
2 private final String tag = "SearchBar";
3 private ArrayList<Bar> ergList;
4 private Button take;
5 private boolean alternativeLocation = false;
6 private ListAdapter searchAdapter;
7 //private SearchAdapter searchAdapter;
8
9 @Override
10 protected void onCreate(Bundle savedInstanceState) {
11 super.onCreate(savedInstanceState);
12
13 alternativeLocation = getIntent().getBooleanExtra("alternativeLocation", false);
14 //TODO Ansicht als Liste
15
16 /* Create and modify titlebar */
17 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
18 setContentView(R.layout.search);
19 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
20
21 ImageButton button1 = (ImageButton)findViewById(R.id.button1);
22 button1.setBackgroundResource(R.drawable.button_bg_list);
23 button1.setOnClickListener(new OnClickListener() {
24 public void onClick(View arg0) {
25 Intent intent = new Intent(SearchBar.this, ListBars.class);
26 intent.putExtra("alternativeLocation", alternativeLocation);
27 startActivity(intent);
28 finish();
29 }
30 });
31 ImageButton button2 = (ImageButton)findViewById(R.id.button2);
32 button2.setBackgroundResource(R.drawable.button_bg_map);
33 button2.setOnClickListener(new OnClickListener() {
34 public void onClick(View arg0) {
35 Intent intent = new Intent(SearchBar.this, GoogleMap.class);
36 intent.putExtra("alternativeLocation", alternativeLocation);
37 startActivity(intent);
38 finish();
39 }
40 });
41
42 ImageButton button3 = (ImageButton)findViewById(R.id.button3);
43 if(alternativeLocation) {
44 button3.setBackgroundResource(R.drawable.button_bg_gps);
45 button3.setOnClickListener(new OnClickListener() {
46 public void onClick(View v) {
47 final ProgressDialog progress = ProgressDialog.show(SearchBar.this,
48 "Bitte warten...", "Derzeitige GPS-Koordinaten werden berechnet", true);
49
50 Runnable viewOrders = new Runnable(){
51 public void run() {
52 LaCarte.location.startLocationFinding(null);
53 LaCarte.location.calculateDistances();
54
55 startActivity(new Intent(SearchBar.this, ListBars.class));
56 progress.cancel();
57 finish();
58 }
59 };
60
61 Thread thread = new Thread(null, viewOrders, "Startscreen");
62 thread.start();
63 }
64 });
65 }
66 else {
67 button3.setVisibility(Button.INVISIBLE);
68 }
69
70 final EditText barSearch = (EditText)findViewById(R.id.SucheBar);
71 final EditText streetSearch = (EditText)findViewById(R.id.SucheOrt);
72
73 take = (Button) findViewById(R.id.TakeLocation);
74 take.setVisibility(Button.GONE);
75
76 Button buttonSearch = (Button) findViewById(R.id.SucheStarten);
77 buttonSearch.setOnClickListener(new OnClickListener() {
78
79
80 public void onClick(View v) {
81 take.setVisibility(Button.GONE);
82
83
84 TextView sucherg = (TextView)findViewById(R.id.Ergebnis);
85 sucherg.setText("Suchergebnis:");
86
87 String bar = barSearch.getText().toString();
88 String address = streetSearch.getText().toString();
89
90 ergList = new ArrayList<Bar>();
91 String ergebnis = "";
92 if(!bar.equals("") && !address.equals("")) {
93 int ergLoc = searchLocation(address);
94 switch(ergLoc) {
95 case 0:
96 sucherg.setText("Keine Uebereinstimmenden Bars gefunden.");
97 break;
98 case 1: {
99 int ergBar = searchBar(bar);
100 switch(ergBar) {
101 case 0:
102 sucherg.setText("Keine Bar mit diesem Namen gefunden.");
103 break;
104 case 1:
105 break;
106 }
107 break;
108 }
109 case 2:
110 sucherg.setText("Fehler bei der Locationsuche. Dienst nicht erreichbar.");
111 break;
112 case 3:
113 sucherg.setText("Fehler bei der Locationsuche. Location nicht vorhanden.");
114 break;
115 }
116 }
117 else if(!bar.equals("")) {
118 int erg = searchBar(bar);
119
120 switch(erg) {
121 case 0:
122 sucherg.setText("Keine Bar mit diesem Namen gefunden.");
123 break;
124 case 1:
125 break;
126 }
127 }
128 else if(!address.equals("")) {
129 int erg = searchLocation(address);
130
131 switch(erg) {
132 case 0:
133 sucherg.setText("Keine Uebereinstimmenden Bars gefunden.");
134 break;
135 case 1:
136 break;
137 case 2:
138 sucherg.setText("Fehler bei der Locationsuche. Dienst nicht erreichbar.");
139 break;
140 case 3:
141 sucherg.setText("Fehler bei der Locationsuche. Location nicht vorhanden.");
142 break;
143 }
144 }
145 else {
146 sucherg.setText("Bitte eine Eingabe machen!");
147 }
148
149 Collections.sort(ergList);
150 searchAdapter = new SearchAdapter(this, R.layout.row, ergList);
151 setListAdapter(searchAdapter);
152 ListView lv = getListView();
153 lv.setTextFilterEnabled(true);
154
155 lv.setOnItemClickListener(new OnItemClickListener() {
156 public void onItemClick(AdapterView<?> parent, View view,
157 int position, long id) {
158
159 Bar bar = ergList.get(position);
160
161 Intent intent = new Intent(SearchBar.this, BarDetails.class);
162 intent.putExtra("barId", bar.getId());
163 startActivity(intent);
164
165 }
166 });
167 }
168 });
169 }
170
171 /**
172 * Searches for bars around the location 'address' with distance<=5km.
173 * @param address
174 * @return int
175 * 0 => no bars found
176 * 1 => some bars found
177 * 2 => IOException
178 * 3 => location not found
179 */
180 public int searchLocation(final String address) {
181 //TODO andere Stadt beachten
182 Geocoder geo = new Geocoder(SearchBar.this, Locale.getDefault());
183 boolean hasBar = false;
184
185 try {
186 Address myAddress = geo.getFromLocationName(address,1).get(0);
187 double laengengrad = myAddress.getLongitude();
188 double breitengrad = myAddress.getLatitude();
189
190 Collection<Bar> barObjects = LaCarte.bars.values();
191 Iterator<Bar> i = barObjects.iterator();
192 while(i.hasNext()) {
193 Bar b = i.next();
194 float[] results = new float[3];
195 Location.distanceBetween(breitengrad, laengengrad, b.getBreitengrad(), b.getLaengengrad(), results);
196 float distance = results[0];
197 if(distance<=5000) {
198 if(!ergList.contains(b)) {
199 ergList.add(b);
200 }
201 hasBar = true;
202 }
203 }
204
205 if(!hasBar) {
206 return 0;
207 }
208 else {
209 take.setVisibility(Button.VISIBLE);
210 take.setOnClickListener(new OnClickListener() {
211 public void onClick(View v) {
212 LaCarte.location.startLocationFinding(address.toString());
213 LaCarte.location.calculateDistances();
214
215 Intent intent = new Intent(SearchBar.this, ListBars.class);
216 intent.putExtra("alternativeLocation", true);
217 startActivity(intent);
218 finish();
219 }
220 });
221 return 1;
222 }
223 } catch (IOException e) {
224 e.printStackTrace();
225 Log.e(tag, "IOException:");
226 Log.e(tag, e.getMessage());
227 return 2;
228 } catch (IndexOutOfBoundsException e) {
229 Log.e(tag, "IndexOutOfBounds:");
230 Log.e(tag, e.getMessage());
231 return 3;
232 }
233 }
234
235 /**
236 * Searches for bars on actual location.
237 * @param bar
238 * @return int
239 * 0 => no bars found
240 * 1 => some bars found
241 */
242 public int searchBar(String bar) {
243 Iterator<Bar> i;
244
245 if(ergList.size()>0) {
246 i = ergList.iterator();
247 }
248 else {
249 i = LaCarte.bars.values().iterator();
250 }
251
252 boolean hasBar = false;
253 while(i.hasNext()) {
254 Bar b = i.next();
255 String barName = b.getName().toLowerCase();
256 if(!barName.contains(bar.toLowerCase())) {
257 if(ergList.contains(b)) {
258 ergList.remove(b);
259 }
260 hasBar = true;
261 }
262 }
263 if(!hasBar) {
264 return 0;
265 }
266 else {
267 return 1;
268 }
269 }
270
271public class SearchAdapter extends ArrayAdapter<Bar> {
272
273 private ArrayList<Bar> items;
274
275 public SearchAdapter(Context context,int textViewResourceId, ArrayList<Bar> items) {
276 super(context, textViewResourceId, items);
277 this.items = items;
278 }
279
280 public SearchAdapter(OnClickListener onClick, int textViewResourceId,
281 ArrayList<Bar> items) {
282 super(onClick, textViewResourceId, items);
283 this.items = items;
284 }
285
286 @Override
287 public View getView(int position, View convertView, ViewGroup parent) {
288 View v = convertView;
289 if (v == null) {
290 LayoutInflater vi = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
291 v = vi.inflate(R.layout.row, null);
292 }
293
294 Bar o = items.get(position);
295 if (o != null) {
296 TextView tb = (TextView) v.findViewById(R.id.topBarname);
297 TextView tt = (TextView) v.findViewById(R.id.topTime);
298 TextView bk = (TextView) v.findViewById(R.id.bottKm);
299 if (tb != null) {
300 tb.setText(o.getName());
301 }
302 if (tt != null) {
303 tt.setText("Zeit: 17 - 20 Uhr");
304 }
305 if(bk != null){
306 bk.setText("Entfernung: "+ o.getDistanceInMeters()+ " m");
307 }
308 }
309 return v;
310 }
311}
312}