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Hallo Ich erstelle ein Layout und ein ListView darin, kleines Symbol in 5 Spalten anzuzeigen. Ich verwende AysncTask, um JSON zu analysieren, um die Bilddetails zu erhalten, die ich in der Listenansicht anzeigen muss. Jetzt bekomme ich Fehler. Ich weiß nicht, wie ich es lösen soll. Bitte hilf mir zu lösen.Wie zum Aufblasen Fehler in Android?
Mein Layout ist:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_seatvisible"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.notebook.runtowin.Activity.Seatvisible">
<TextView
android:id="@+id/from_to"
android:layout_width="match_parent"
android:layout_height="35sp"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:background="@color/colorPrimaryDark"
android:text="Select your seat"
android:padding="5sp"
android:gravity="center_vertical"
android:textStyle="bold"
android:textColor="@color/colorwhite" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:layout_below="@+id/from_to">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:background="#FFEB3B"
android:id="@+id/headinglayout">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/busname"
android:padding="5sp"
android:text="RUN TO WIN"
android:textStyle="bold"/>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_below="@+id/busname"
>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/seatnumber"
android:padding="5sp"
android:text="Seats :"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="@+id/seatnumber"
android:text="25,24"
android:id="@+id/seatsnumber"/>
</LinearLayout>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/ticketprice"
android:layout_alignParentRight="true"
android:text="hsdshd"
android:textStyle="bold"
android:padding="5sp"
android:textSize="30sp"
android:layout_marginRight="10sp"/>
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:layout_below="@+id/headinglayout"
android:layout_marginTop="3sp"
android:paddingTop="10sp"
android:paddingRight="25sp"
android:paddingLeft="25dp">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/iconsteer"
android:id="@+id/imageView2"
android:layout_marginEnd="50sp"
android:layout_alignParentEnd="true"/>
<ListView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/imageView2"
android:layout_marginTop="20sp"
android:id="@+id/listviewseat">
</ListView>
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="25sp"
android:layout_alignParentEnd="true"
android:gravity="center_horizontal"
android:background="@color/colorPrimaryDark"
>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="BOOK TICKETS"
android:padding="10sp"
android:id="@+id/bt_book"
android:textSize="20sp"/>
</RelativeLayout>
</LinearLayout>
</RelativeLayout>
Mein Listview-Layout ist:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="8sp"
android:gravity="top">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/imageViewseat"/>
</LinearLayout>
Mein Code ist:
public class Seatvisible extends AppCompatActivity {
ArrayList<HashMap<String, String>> busdetails1;
private String BusID, servicedate;
private static String url="http://appsilonz.com/demo/v2/bus_seat_abhi.php?journey_date=2017-01-05&bus_id=20";
private ListView lv;
private TextView busname, from_to, seatsnumber, ticketprice;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_seatvisible);
lv = (ListView) findViewById(R.id.listviewbusdetails);
inilize();
new Seatparsing().execute();
}
private void inilize() {
Intent intent = getIntent();
BusID = intent.getStringExtra("BusID");
servicedate = intent.getStringExtra("servicedate");
busname = (TextView) findViewById(R.id.busname);
from_to = (TextView) findViewById(R.id.from_to);
seatsnumber = (TextView) findViewById(R.id.seatsnumber);
ticketprice = (TextView) findViewById(R.id.ticketprice);
}
public class Seatparsing extends AsyncTask<String, String, ArrayList<HashMap<String, String>>> {
String response;
String jsonstr, seat_name, ticket_status, seatladies;
ProgressDialog dialog = new ProgressDialog(Seatvisible.this);
AndroidHttpClient maclient = AndroidHttpClient.newInstance("");
@Override
protected void onPreExecute() {
dialog.setCancelable(false);
dialog.setMessage("Please wait..");
dialog.setIndeterminate(false);
dialog.show();
}
@Override
protected ArrayList<HashMap<String, String>> doInBackground(String... params) {
HttpGet request = new HttpGet(url);
ResponseHandler<String> responseHandler = new BasicResponseHandler();
try {
response = maclient.execute(request, responseHandler);
} catch (ClientProtocolException exception) {
exception.printStackTrace();
return null;
} catch (IOException exception) {
exception.printStackTrace();
return null;
}
Log.i("Seats", "" + response);
Log.i("seaturl", "" + url);
jsonstr = response;
busdetails1 = new ArrayList<>();
if (jsonstr != null) {
HashMap<String, String> map2 = new HashMap<>();
try {
JSONArray array1 = new JSONArray(jsonstr);
for (int i = 0; i < array1.length(); i++) {
JSONObject objct1 = array1.getJSONObject(i);
JSONArray array2 = objct1.getJSONArray("row1");
for (int j = 0; j < array2.length(); j++) {
JSONObject objct2 = array2.getJSONObject(j);
seat_name = objct2.getString("seat_name ").toString();
ticket_status = objct2.getString("ticket_status");
seatladies = objct2.getString("seatIsLadies");
map2.put("seat_name", seat_name);
map2.put("ticket_status", ticket_status);
map2.put("seatIsLadies", seatladies);
}
busdetails1.add(map2);
}
} catch (Exception e) {
e.printStackTrace();
}
}
return busdetails1;
}
protected void onPostExecute(ArrayList<HashMap<String, String>> busdetails1) {
dialog.dismiss();
customadapter adapter = new customadapter(getApplicationContext(), R.layout.seatlistview, busdetails1);
lv.setAdapter(adapter);
}
}
public class customadapter extends ArrayAdapter {
private ArrayList<HashMap<String, String>> list;
private int resource;
private LayoutInflater inflater;
public customadapter(Context context, int resource, ArrayList<HashMap<String, String>> busdetails1) {
super(context, resource, busdetails1);
list = busdetails1;
this.resource = resource;
inflater = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
}
@NonNull
@Override
public View getView(int i, View convertView, ViewGroup parent) {
convertView = inflater.inflate(resource, null);
ImageView imageView = (ImageView) convertView.findViewById(R.id.imageViewseat);
String seat_name = list.get(i).get("seat_name");
String ticket_status = list.get(i).get("ticket_status");
String seatIsLadies = list.get(i).get("seatIsLadies");
if (!seat_name.equals(null)) {
if (ticket_status.equals("booked")) {
if (seatIsLadies.equals("true")) {
imageView.setImageResource(R.drawable.reservedladies);
imageView.setClickable(false);
} else {
imageView.setImageResource(R.drawable.bookedseat);
imageView.setClickable(false);
}
} else {
imageView.setImageResource(R.drawable.available_seat_img);
}
} else {
imageView.setImageDrawable(null);
imageView.setClickable(false);
}
return convertView;
}
}
}
Verwendung einstellen dp anstelle von sp für alle Dimensionen außer Textgröße –