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POhow do I show progress bar before showing activity
 

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  1. POhow do I show progress bar before showing activity
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    <p>Below is my java code and xml code. I want to show progress bar before showing any data. How can I do that? Im using asyntask for loading data. How will I show progressbar in my code to first show progressbar until data is loaded. When data is loaded, the progress bar is removed.</p> <pre><code>public class fifthscreen extends Activity { String num = null; TextView ingredient; long Menu_ID; String dish_name; View row4; View row3; String status; HorizontalListView listview; CategoryListAdapter3 cla; String DescriptionAPI; TextView txt1, txt2, txt3; ImageView img1; String URL, URL2; String SelectMenuAPI; static ArrayList&lt;Long&gt; Category_ID = new ArrayList&lt;Long&gt;(); static ArrayList&lt;String&gt; Category_name = new ArrayList&lt;String&gt;(); static ArrayList&lt;String&gt; Category_image = new ArrayList&lt;String&gt;(); public static String allergen2; private AQuery androidAQuery; String name; String description; String url1; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.fifthscreen); ingredient = (TextView) findViewById(R.id.ingredient); img1 = (ImageView) findViewById(R.id.test_button_image); txt1 = (TextView) findViewById(R.id.menuname); txt3 = (TextView) findViewById(R.id.description); Intent iGet = getIntent(); ImageView options = (ImageView) findViewById(R.id.options5); androidAQuery = new AQuery(this); options.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { Intent iMenuList = new Intent(fifthscreen.this, LinkButtons.class); startActivity(iMenuList); } }); dish_name = iGet.getStringExtra("dish_name"); listview = (HorizontalListView) this.findViewById(R.id.listview2); cla = new CategoryListAdapter3(fifthscreen.this); new getDataTask().execute(); ImageView btnback = (ImageView) findViewById(R.id.btnback); btnback.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { finish(); } }); } void clearData() { Category_ID.clear(); Category_name.clear(); Category_image.clear(); } public class getDataTask extends AsyncTask&lt;Void, Void, Void&gt; { getDataTask() { } @Override protected void onPreExecute() { // TODO Auto-generated method stub } @Override protected Void doInBackground(Void... arg0) { // TODO Auto-generated method stub parseJSONData(); return null; } @Override protected void onPostExecute(Void result) { // TODO Auto-generated method stub txt1.setText(name); txt3.setText(description); androidAQuery.id(img1).image(url1, false, false); listview.setAdapter(cla); } } public void parseJSONData() { SelectMenuAPI = Utils.dishdescription + dish_name; clearData(); URL = SelectMenuAPI; URL2 = URL.replace(" ", "%20"); try { HttpClient client = new DefaultHttpClient(); HttpConnectionParams .setConnectionTimeout(client.getParams(), 15000); HttpConnectionParams.setSoTimeout(client.getParams(), 15000); HttpUriRequest request = new HttpGet(URL2); HttpResponse response = client.execute(request); InputStream atomInputStream = response.getEntity().getContent(); BufferedReader in = new BufferedReader(new InputStreamReader( atomInputStream),8192); String line; String str = ""; while ((line = in.readLine()) != null) { str += line; } JSONObject json2 = new JSONObject(str); status = json2.getString("status"); if (status.equals("1")) { JSONArray school2 = json2.getJSONArray("data"); for (int i = 0; i &lt; school2.length(); i++) { name = school2.getJSONObject(0).getString("name"); description = school2.getJSONObject(0).getString( "description"); url1 = school2.getJSONObject(0).getString("image"); } JSONObject school3 = json2.getJSONObject("dish_nutrition"); final TableLayout table = (TableLayout) findViewById(R.id.table2); for (int j = 0; j &lt; school3.length(); j++) { String s = String.valueOf(j + 1); row3 = getLayoutInflater().inflate(R.layout.rows, null); ((TextView) row3.findViewById(R.id.localTime)) .setText(school3.getJSONObject(s).getString("qty")); ((TextView) row3.findViewById(R.id.apprentTemp)) .setText(school3.getJSONObject(s).getString("name")); fifthscreen.this.runOnUiThread(new Runnable() { public void run() { table.addView(row3); } }); } JSONArray school4 = json2.getJSONArray("dish_allergen"); // for (int i = 0; i &lt; school4.length(); i++) { JSONObject object = school4.getJSONObject(i); Category_ID.add((long) i); Category_name.add(object.getString("name")); Category_image.add(object.getString("image")); } final LinearLayout table3 = (LinearLayout) findViewById(R.id.table3); JSONArray school5 = json2.getJSONArray("dish_ingredient"); for (int i = 0; i &lt; school5.length(); i++) { row4 = getLayoutInflater().inflate(R.layout.row2, null); ((TextView) row4.findViewById(R.id.name)).setText(school5 .getJSONObject(i).getString("name")); ((TextView) row4.findViewById(R.id.subingredients)) .setText(school5.getJSONObject(i).getString( "sub_ingredients")); // table3.addView(row2); fifthscreen.this.runOnUiThread(new Runnable() { public void run() { table3.addView(row4); } }); } } else { JSONArray school2 = json2.getJSONArray("data"); for (int i = 0; i &lt; school2.length(); i++) { JSONObject object = school2.getJSONObject(i); Category_ID.add((long) i); Category_name.add(object.getString("name")); } } } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block // IOConnect = 1; e.printStackTrace(); } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } &lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="#E5E5E5" android:orientation="vertical" &gt; &lt;LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" &gt; &lt;LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:background="@drawable/layoutbordercolor" &gt; &lt;ImageView android:id="@+id/btnback" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="2" android:paddingLeft="3dp" android:paddingTop="15dp" android:src="@drawable/back" android:visibility="gone" /&gt; &lt;ImageView android:id="@+id/bitmap" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_marginLeft="60dp" android:layout_weight="1.5" android:src="@drawable/logostar" /&gt; &lt;LinearLayout android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="4" android:orientation="vertical" &gt; &lt;TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="5dp" android:paddingTop="12dp" android:text="San Diego Unified" android:textColor="#603311" android:textSize="14sp" android:textStyle="bold" /&gt; &lt;TextView android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="8dp" android:text="SCHOOL DISTRICT" android:textColor="#603311" android:textSize="10sp" /&gt; &lt;/LinearLayout&gt; &lt;ImageView android:id="@+id/options" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="2" android:paddingBottom="5dp" android:paddingTop="10dp" android:src="@drawable/options1" /&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; &lt;LinearLayout android:id="@+id/lytContent" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginTop="20dp" android:orientation="vertical" &gt; &lt;RelativeLayout android:id="@+id/relativeLayout1" android:layout_width="match_parent" android:background="@drawable/editbackground" android:paddingBottom="5dp" android:layout_marginLeft="10dp" android:layout_marginRight="10dp" android:layout_height="wrap_content" &gt; &lt;ImageView android:id="@+id/imageView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_alignParentTop="true" android:paddingLeft="10dp" android:paddingRight="10dp" android:paddingTop="8dp" android:paddingBottom="2dp" android:src="@drawable/search_btn" /&gt; &lt;EditText android:id="@+id/editText2" android:layout_width="fill_parent" android:layout_height="36dp" android:layout_toLeftOf="@+id/imageView1" android:layout_marginTop="5dp" android:paddingLeft="10dp" android:layout_marginLeft="10dp" android:paddingRight="5dp" android:gravity="left" android:background="#FFF" android:hint=" Search School by name" android:imeOptions="actionSearch" android:paddingTop="10dp" android:textSize="15dp" &gt; &lt;/EditText&gt; &lt;/RelativeLayout&gt; &lt;LinearLayout android:id="@+id/lytContent" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" &gt; &lt;TextView android:id="@+id/pleaseselect" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:paddingLeft="15dp" android:text=" Select a school type" android:textColor="#0A2A1B" android:textSize="18sp" android:textStyle="bold" android:visibility="gone" /&gt; &lt;LinearLayout android:id="@+id/lytContent" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_marginTop="10dp" android:background="@drawable/layout_border" android:orientation="vertical" &gt; &lt;ListView android:id="@+id/listMainMenuhome" android:layout_width="fill_parent" android:layout_height="fill_parent" android:paddingTop="3dp" android:paddingBottom="3dp" android:paddingLeft="3dp" android:paddingRight="3dp" android:dividerHeight="1dip" android:fadeScrollbars="true" android:listSelector="@color/listview_selector" android:visibility="gone" /&gt; &lt;/LinearLayout&gt; &lt;!-- android:listSelector="@drawable/listviewborder" --&gt; &lt;ProgressBar android:id="@+id/prgLoading" style="?android:attr/progressBarStyleLarge" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" /&gt; &lt;TextView android:id="@+id/txtAlert" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:paddingLeft="10dp" android:text="@string/alert" android:textColor="@color/text" android:textSize="14sp" android:visibility="gone" /&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; </code></pre>
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    1. USAgustin Meriles
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      1. USErik Allik
 

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