onclickがURLを別のアクティビティに送信するメインアクティビティがあります
特定の行をクリックすると、JSON から解析された特定の URL を送信できるような条件を追加する方法
MainActivity.java
public class MainActivity extends Activity {
// url to make request
private static String url = "http://xxxxxxxxxxxx/";
private HashMap<Integer, String> TimeMap = new HashMap<Integer, String>();
List<Item> yourData = new ArrayList<Item>();
ProgressDialog progressDialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//Instantiating ProgressDialog with onCreate method
progressDialog=new ProgressDialog(MainActivity.this);
new ParsingAsync().execute();
}
private class ParsingAsync extends AsyncTask<Void, Void, Void>
{
@Override
protected void onPreExecute() {
super.onPreExecute();
progressDialog=ProgressDialog.show(MainActivity.this, "", "Please Wait", true, false);
}
@Override
protected Void doInBackground(Void... params) {
// TODO Auto-generated method stub
String _response = null;
try
{
HttpClient httpclient = new DefaultHttpClient();
httpclient.getParams().setParameter(CoreProtocolPNames.PROTOCOL_VERSION, HttpVersion.HTTP_1_1);
HttpGet request = new HttpGet(url);
HttpResponse response = httpclient.execute(request);
HttpEntity resEntity = response.getEntity();
_response =EntityUtils.toString(resEntity);
JSONObject jsonObject = new JSONObject(_response);
JSONArray first_array = jsonObject.getJSONArray("restaurants");
JSONArray second_array = jsonObject.getJSONArray("RestaurantTimings");
for(int i=0;i<first_array.length();i++)
{
JSONObject c = second_array.getJSONObject(i);
Item item = new Item();
// Storing each json item in variable
int id = c.getInt("_id");
String TIME = c.getString("RestaurantTime");
item.setTime(TIME);
c = first_array.getJSONObject(i);
String NAME=c.getString("restaurantNAME");
item.setName(NAME);
String URL=c.getString("url");
item.setUrl(URL);
yourData.add(item);
}
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Void result) {
// TODO Auto-generated method stub
super.onPostExecute(result);
progressDialog.dismiss();
//TextView timedisplay=(TextView) findViewById(R.id.RestaurantTimeID);
ListView yourListView = (ListView) findViewById(R.id.listViewID);
ListAdapter customAdapter = new ListAdapter(MainActivity.this, R.layout.itemlistrow, yourData);
yourListView.setAdapter(customAdapter);
yourListView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
Intent i = new Intent(MainActivity.this, RestaurantDesc.class);
i.putExtra("key", "http://54.218.73.244:7002/CopperChimney");
startActivity(i);
}
});
}
}
}
[編集]
使ってみた
i.putExtra("key", yourData.get(position).getUrl());
リストビューの最初のオンクリックで成功したデータを取得できますが、2番目、3番目、.....でエラーが発生します
エラー
08-25 19:14:57.133: D/dalvikvm(332): GC_EXTERNAL_ALLOC freed 165K, 50% free 2896K/5703K, external 2111K/2137K, paused 107ms
08-25 19:21:47.553: W/dalvikvm(370): threadid=6: spin on suspend #1 threadid=9 (pcf=0)
08-25 19:21:47.553: D/dalvikvm(370): Temporarily moving tid 378 to fg (was 0)
08-25 19:21:47.553: D/dalvikvm(370): Temporarily raised priority on tid 378 (10 -> 0)
08-25 19:21:47.633: W/dalvikvm(370): threadid=6: spin on suspend resolved in 1078 msec
08-25 19:21:47.633: D/dalvikvm(370): Restored policy of 378 to 0
08-25 19:21:47.633: D/dalvikvm(370): Restored priority on 378 to 10
08-25 20:10:30.833: W/dalvikvm(407): threadid=6: spin on suspend #1 threadid=9 (pcf=0)
08-25 20:10:30.833: D/dalvikvm(407): Temporarily moving tid 415 to fg (was 0)
08-25 20:10:30.833: D/dalvikvm(407): Temporarily raised priority on tid 415 (10 -> 0)
08-25 20:10:30.913: W/dalvikvm(407): threadid=6: spin on suspend resolved in 1079 msec
08-25 20:10:30.913: D/dalvikvm(407): Restored policy of 415 to 0
08-25 20:10:30.913: D/dalvikvm(407): Restored priority on 415 to 10
08-25 20:10:35.985: D/dalvikvm(407): GC_EXTERNAL_ALLOC freed 166K, 50% free 2896K/5703K, external 2111K/2137K, paused 85ms
08-25 20:10:46.523: W/System.err(407): org.json.JSONException: No value for CopperChimney
08-25 20:10:46.773: W/System.err(407): at org.json.JSONObject.get(JSONObject.java:354)
08-25 20:10:46.773: W/System.err(407): at org.json.JSONObject.getJSONArray(JSONObject.java:544)
08-25 20:10:46.773: W/System.err(407): at com.project.findmybuffet.RestaurantDesc$ParsingAsync.doInBackground(RestaurantDesc.java:115)
08-25 20:10:46.783: W/System.err(407): at com.project.findmybuffet.RestaurantDesc$ParsingAsync.doInBackground(RestaurantDesc.java:1)
08-25 20:10:46.783: W/System.err(407): at android.os.AsyncTask$2.call(AsyncTask.java:185)
08-25 20:10:46.783: W/System.err(407): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306)
08-25 20:10:46.783: W/System.err(407): at java.util.concurrent.FutureTask.run(FutureTask.java:138)
08-25 20:10:46.783: W/System.err(407): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
08-25 20:10:46.783: W/System.err(407): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
08-25 20:10:46.783: W/System.err(407): at java.lang.Thread.run(Thread.java:1019)
08-25 20:10:46.793: D/AndroidRuntime(407): Shutting down VM
08-25 20:10:46.793: W/dalvikvm(407): threadid=1: thread exiting with uncaught exception (group=0x40015560)
08-25 20:10:46.813: E/AndroidRuntime(407): FATAL EXCEPTION: main
08-25 20:10:46.813: E/AndroidRuntime(407): java.lang.NullPointerException
08-25 20:10:46.813: E/AndroidRuntime(407): at com.project.findmybuffet.RestaurantDesc$ParsingAsync.onPostExecute(RestaurantDesc.java:138)
08-25 20:10:46.813: E/AndroidRuntime(407): at com.project.findmybuffet.RestaurantDesc$ParsingAsync.onPostExecute(RestaurantDesc.java:1)
08-25 20:10:46.813: E/AndroidRuntime(407): at android.os.AsyncTask.finish(AsyncTask.java:417)
08-25 20:10:46.813: E/AndroidRuntime(407): at android.os.AsyncTask.access$300(AsyncTask.java:127)
08-25 20:10:46.813: E/AndroidRuntime(407): at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:429)
08-25 20:10:46.813: E/AndroidRuntime(407): at android.os.Handler.dispatchMessage(Handler.java:99)
08-25 20:10:46.813: E/AndroidRuntime(407): at android.os.Looper.loop(Looper.java:123)
08-25 20:10:46.813: E/AndroidRuntime(407): at android.app.ActivityThread.main(ActivityThread.java:3683)
08-25 20:10:46.813: E/AndroidRuntime(407): at java.lang.reflect.Method.invokeNative(Native Method)
08-25 20:10:46.813: E/AndroidRuntime(407): at java.lang.reflect.Method.invoke(Method.java:507)
08-25 20:10:46.813: E/AndroidRuntime(407): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
08-25 20:10:46.813: E/AndroidRuntime(407): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
08-25 20:10:46.813: E/AndroidRuntime(407): at dalvik.system.NativeStart.main(Native Method)
08-25 20:10:52.563: I/Process(407): Sending signal. PID: 407 SIG: 9
08-25 20:10:58.774: W/IInputConnectionWrapper(422): showStatusIcon on inactive InputConnection
08-25 20:25:43.273: D/dalvikvm(422): GC_EXTERNAL_ALLOC freed 160K, 49% free 2880K/5639K, external 2082K/2137K, paused 87ms
08-25 20:25:49.403: W/System.err(422): org.json.JSONException: No value for CopperChimney
08-25 20:25:49.473: W/System.err(422): at org.json.JSONObject.get(JSONObject.java:354)
08-25 20:25:49.473: W/System.err(422): at org.json.JSONObject.getJSONArray(JSONObject.java:544)
08-25 20:25:49.483: W/System.err(422): at com.project.findmybuffet.RestaurantDesc$ParsingAsync.doInBackground(RestaurantDesc.java:115)
08-25 20:25:49.483: W/System.err(422): at com.project.findmybuffet.RestaurantDesc$ParsingAsync.doInBackground(RestaurantDesc.java:1)
08-25 20:25:49.483: W/System.err(422): at android.os.AsyncTask$2.call(AsyncTask.java:185)
08-25 20:25:49.483: W/System.err(422): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306)
08-25 20:25:49.483: W/System.err(422): at java.util.concurrent.FutureTask.run(FutureTask.java:138)
08-25 20:25:49.493: W/System.err(422): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
08-25 20:25:49.493: W/System.err(422): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
08-25 20:25:49.493: W/System.err(422): at java.lang.Thread.run(Thread.java:1019)
08-25 20:25:49.493: D/AndroidRuntime(422): Shutting down VM
08-25 20:25:49.503: W/dalvikvm(422): threadid=1: thread exiting with uncaught exception (group=0x40015560)
08-25 20:25:49.513: E/AndroidRuntime(422): FATAL EXCEPTION: main
08-25 20:25:49.513: E/AndroidRuntime(422): java.lang.NullPointerException
08-25 20:25:49.513: E/AndroidRuntime(422): at com.project.findmybuffet.RestaurantDesc$ParsingAsync.onPostExecute(RestaurantDesc.java:138)
08-25 20:25:49.513: E/AndroidRuntime(422): at com.project.findmybuffet.RestaurantDesc$ParsingAsync.onPostExecute(RestaurantDesc.java:1)
08-25 20:25:49.513: E/AndroidRuntime(422): at android.os.AsyncTask.finish(AsyncTask.java:417)
08-25 20:25:49.513: E/AndroidRuntime(422): at android.os.AsyncTask.access$300(AsyncTask.java:127)
08-25 20:25:49.513: E/AndroidRuntime(422): at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:429)
08-25 20:25:49.513: E/AndroidRuntime(422): at android.os.Handler.dispatchMessage(Handler.java:99)
08-25 20:25:49.513: E/AndroidRuntime(422): at android.os.Looper.loop(Looper.java:123)
08-25 20:25:49.513: E/AndroidRuntime(422): at android.app.ActivityThread.main(ActivityThread.java:3683)
08-25 20:25:49.513: E/AndroidRuntime(422): at java.lang.reflect.Method.invokeNative(Native Method)
08-25 20:25:49.513: E/AndroidRuntime(422): at java.lang.reflect.Method.invoke(Method.java:507)
08-25 20:25:49.513: E/AndroidRuntime(422): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
08-25 20:25:49.513: E/AndroidRuntime(422): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
08-25 20:25:49.513: E/AndroidRuntime(422): at dalvik.system.NativeStart.main(Native Method)
08-25 20:26:51.563: W/dalvikvm(481): threadid=6: spin on suspend #1 threadid=9 (pcf=0)
08-25 20:26:51.563: D/dalvikvm(481): Temporarily moving tid 489 to fg (was 0)
08-25 20:26:51.563: D/dalvikvm(481): Temporarily raised priority on tid 489 (10 -> 0)
08-25 20:26:51.643: W/dalvikvm(481): threadid=6: spin on suspend resolved in 1080 msec
08-25 20:26:51.643: D/dalvikvm(481): Restored policy of 489 to 0
08-25 20:26:51.643: D/dalvikvm(481): Restored priority on 489 to 10
08-25 20:27:48.342: D/dalvikvm(481): GC_EXTERNAL_ALLOC freed 158K, 50% free 2896K/5703K, external 2111K/2137K, paused 134ms
08-25 20:28:07.754: D/dalvikvm(481): GC_FOR_MALLOC freed 353K, 44% free 3770K/6727K, external 2458K/3069K, paused 752ms
08-25 20:28:08.203: D/dalvikvm(481): GC_CONCURRENT freed 1K, 44% free 3770K/6727K, external 2458K/3069K, paused 7ms+16ms
08-25 20:28:08.843: W/System.err(481): org.json.JSONException: No value for CopperChimney
08-25 20:28:08.843: W/System.err(481): at org.json.JSONObject.get(JSONObject.java:354)
08-25 20:28:08.853: W/System.err(481): at org.json.JSONObject.getJSONArray(JSONObject.java:544)
08-25 20:28:08.883: W/System.err(481): at com.project.findmybuffet.RestaurantDesc$ParsingAsync.doInBackground(RestaurantDesc.java:115)
08-25 20:28:08.883: W/System.err(481): at com.project.findmybuffet.RestaurantDesc$ParsingAsync.doInBackground(RestaurantDesc.java:1)
08-25 20:28:08.913: W/System.err(481): at android.os.AsyncTask$2.call(AsyncTask.java:185)
08-25 20:28:08.913: W/System.err(481): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306)
08-25 20:28:08.913: W/System.err(481): at java.util.concurrent.FutureTask.run(FutureTask.java:138)
08-25 20:28:08.923: W/System.err(481): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
08-25 20:28:08.933: W/System.err(481): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
08-25 20:28:08.943: W/System.err(481): at java.lang.Thread.run(Thread.java:1019)
08-25 20:28:08.943: D/AndroidRuntime(481): Shutting down VM
08-25 20:28:08.943: W/dalvikvm(481): threadid=1: thread exiting with uncaught exception (group=0x40015560)
08-25 20:28:08.963: E/AndroidRuntime(481): FATAL EXCEPTION: main
08-25 20:28:08.963: E/AndroidRuntime(481): java.lang.NullPointerException
08-25 20:28:08.963: E/AndroidRuntime(481): at com.project.findmybuffet.RestaurantDesc$ParsingAsync.onPostExecute(RestaurantDesc.java:138)
08-25 20:28:08.963: E/AndroidRuntime(481): at com.project.findmybuffet.RestaurantDesc$ParsingAsync.onPostExecute(RestaurantDesc.java:1)
08-25 20:28:08.963: E/AndroidRuntime(481): at android.os.AsyncTask.finish(AsyncTask.java:417)
08-25 20:28:08.963: E/AndroidRuntime(481): at android.os.AsyncTask.access$300(AsyncTask.java:127)
08-25 20:28:08.963: E/AndroidRuntime(481): at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:429)
08-25 20:28:08.963: E/AndroidRuntime(481): at android.os.Handler.dispatchMessage(Handler.java:99)
08-25 20:28:08.963: E/AndroidRuntime(481): at android.os.Looper.loop(Looper.java:123)
08-25 20:28:08.963: E/AndroidRuntime(481): at android.app.ActivityThread.main(ActivityThread.java:3683)
08-25 20:28:08.963: E/AndroidRuntime(481): at java.lang.reflect.Method.invokeNative(Native Method)
08-25 20:28:08.963: E/AndroidRuntime(481): at java.lang.reflect.Method.invoke(Method.java:507)
08-25 20:28:08.963: E/AndroidRuntime(481): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
08-25 20:28:08.963: E/AndroidRuntime(481): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
08-25 20:28:08.963: E/AndroidRuntime(481): at dalvik.system.NativeStart.main(Native Method)
私の説明が明確であることを願っています。何か案は？ありがとう。