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POprogress bar on click of a tab.
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copied!<p>I have 5 tabs in my app, and first tab loads by default after logging in, But when i click on the other tabs i am basically fetching data from server and i need to show a progress bar, I am unable to catch hold of the new click on tab, I can get the current tab click by using getcurrentTab(). Please help me with this one. Below is the code I am using. </p> <pre><code>Thanks Max package com.sof.android; import android.app.AlertDialog; import android.app.TabActivity; import android.content.DialogInterface; import android.content.Intent; import android.content.res.Resources; import android.os.Bundle; import android.view.KeyEvent; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.Window; import android.widget.Button; import android.widget.TabHost; import android.widget.TextView; import android.widget.Toast; public class Home extends TabActivity { TabHost tabHost; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); setContentView(R.layout.home); getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.home_title); // Ask New Question TextView username = (TextView) findViewById(R.id.usernameBar); username.setText(Global.username); //Logout Button logOut = (Button) this.findViewById(R.id.logoutBar); logOut.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { AlertDialog.Builder builder = new AlertDialog.Builder(Home.this); builder.setMessage("Are you sure you want to Log Out?") .setCancelable(false) .setPositiveButton("Yes", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { finish(); } }) .setNegativeButton("No", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { dialog.cancel(); } }); AlertDialog alert = builder.create(); alert.show(); } }); Resources res = getResources(); // Resource object to get Drawables tabHost = getTabHost(); // The activity TabHost TabHost.TabSpec spec; // Resusable TabSpec for each tab Intent intent; // Reusable Intent for each tab // Create an Intent to launch an Activity for the tab (to be reused) intent = new Intent().setClass(this, a.class); // Initialize a TabSpec for each tab and add it to the TabHost spec = tabHost.newTabSpec("artists").setIndicator("Home", res.getDrawable(R.drawable.a)) .setContent(intent); tabHost.addTab(spec); // Do the same for the other tabs intent = new Intent().setClass(this, b.class); spec = tabHost.newTabSpec("albums").setIndicator("Ask", res.getDrawable(R.drawable.b)) .setContent(intent); tabHost.addTab(spec); intent = new Intent().setClass(this, c.class); spec = tabHost.newTabSpec("songs").setIndicator("Questions", res.getDrawable(R.drawable.c)) .setContent(intent); tabHost.addTab(spec); intent = new Intent().setClass(this, d.class); spec = tabHost.newTabSpec("tutorial").setIndicator("Tutorials", res.getDrawable(R.drawable.d)) .setContent(intent); tabHost.addTab(spec); intent = new Intent().setClass(this, e.class); spec = tabHost.newTabSpec("account").setIndicator("Account", res.getDrawable(R.drawable.e)) .setContent(intent); tabHost.addTab(spec); tabHost.setCurrentTab(0); getTabWidget().getChildAt(getTabHost().getCurrentTab()).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if(getTabHost().getCurrentTab() == 1){ System.out.println("home home home"); tabHost.setCurrentTab(0); } if(getTabHost().getCurrentTab() == 2){ System.out.println("i am clicking tabs now overrided method"); } //do whatever you need } }); /* tabHost.setOnTabChangedListener(new OnTabChangeListener(){ @Override public void onTabChanged(String tabId) { if(TAB_1_TAG.equals(tabId)) { //destroy earth } if(TAB_2_TAG.equals(tabId)) { //destroy mars } }}); */ } public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { //preventing default implementation previous to android.os.Build.VERSION_CODES.ECLAIR Toast.makeText(getApplicationContext(), "Please Use Log Out.", Toast.LENGTH_LONG).show(); return true; } return super.onKeyDown(keyCode, event); } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.menu, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.icon: /*try{ Intent previewMessage = new Intent(Home.this, a.class); System.out.println("preview message "+previewMessage); TabGroupActivity parentActivity = new TabGroupActivity(); System.out.println("parentActivity message "+parentActivity); parentActivity.startChildActivity("home", Global.aIns); }catch(Exception ex){ System.out.println("Caought exception :- "+ex.getMessage()); }*/ tabHost.setCurrentTab(0); break; case R.id.text: AlertDialog.Builder builder = new AlertDialog.Builder(Home.this); builder.setMessage("Are you sure you want to Log Out?") .setCancelable(false) .setPositiveButton("Yes", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { finish(); } }) .setNegativeButton("No", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { dialog.cancel(); } }); AlertDialog alert = builder.create(); alert.show(); break; case R.id.icontext: //Intent Account = new Intent(Home.this, e.class); //a aIns = new a(); /*System.out.println("Global.eInsObject is" +Global.eInsObject); System.out.println("Global.eIns is" +Global.eIns); TabGroupActivity parentActivityE = (TabGroupActivity) Global.eInsObject; //System.out.println("parentActivityE is "+parentActivityE); parentActivityE.startChildActivity("myAccount", Global.eIns); //parentActivityE.switchTabs("myaccount",); //Window window = getLocalActivityManager().startActivity("myaccount",Account.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)); // if (window != null) { // Global.mIdList.add("myaccount"); // try{ // setContentView(window.getDecorView()); // }catch(Exception ex){ // System.out.println("exception is "+ex.getMessage()); // } //} */ tabHost.setCurrentTab(4); break; } return true; } } </code></pre>

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