public class Welcome extends AppCompatActivity {
private drawer_navigation dn;
private ListView lv;
private List<HashMap<String,Object>> list= new ArrayList<>();

private final String get_cat="http://advertapp.siavoshdjazmi.ir/get_cat.php";
private final String get_ads="http://advertapp.siavoshdjazmi.ir/get_data.php?page=";
private final String get_ads_by_cat="http://advertapp.siavoshdjazmi.ir/get_data_by_cat.php?cat=";


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_welcome);
    getWindow().getDecorView().setLayoutDirection(View.LAYOUT_DIRECTION_RTL);
    Toolbar toolbar= (Toolbar)findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setDisplayShowHomeEnabled(true);
    dn = (drawer_navigation) getSupportFragmentManager().findFragmentById(R.id.drawer_navigation);
    dn.setUp((DrawerLayout) findViewById(R.id.drawer_layout), toolbar);
    getSupportActionBar().setIcon(R.mipmap.ic_launcher);
    lv= (ListView)findViewById(R.id.category_lv);

    makeCategoryList();
    View v= findViewById(R.id.category_lv);
    lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
       @Override
       public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
         Intent i= new Intent(getApplicationContext(),Advertisment_list.class);
           i.putExtra("url_data_by_id",get_ads_by_cat+list.get(position).get("id").toString());
           i.putExtra("flag","1");
                          startActivity(i);
         Log.i("app_error","Click Listener");
           my_alert("test","test",true);
       }
   });

}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater inflater= getMenuInflater();
    inflater.inflate(R.menu.main_menu, menu);
    return super.onCreateOptionsMenu(menu);
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    int id=item.getItemId();
    if(id==R.id.settings){
        Toast.makeText(getApplicationContext(),"تنظیمات برنامه",Toast.LENGTH_LONG).show();
    }
    return true;
}
/* Category List Of Navigation Drawer */
public void makeCategoryList(){
    DownloaderCategory dc= new DownloaderCategory();
    dc.execute(get_cat);

}
private class DownloaderCategory extends AsyncTask<String,Void,String>{

    @Override
    protected String doInBackground(String... params) {
        String temp="";
        try{
        JSONDownloader jd= new JSONDownloader();
         temp= jd.downloadUrl(params[0]);}
        catch (Exception e){
            Log.i("app_error", "Error in Download Category Task Class//////" + e.toString());
        }
        return temp;
    }

    @Override
    protected void onPostExecute(String s) {
        LoadCategoryList lc= new LoadCategoryList();
        lc.execute(s);
    }
}
private class LoadCategoryList extends  AsyncTask<String, Void, SimpleAdapter>{

    @Override
    protected SimpleAdapter doInBackground(String... params) {
        try {
            ParseCat pc = new ParseCat();

            list.addAll(pc.parse(params[0]));
        }
        catch (Exception e){
            Log.i("app_error", "Error in Download Category Task Class//////" + e.toString());
        }
        String[] from={"name","count"};
        int[] to ={R.id.cat_name,R.id.cat_count};
       // myAdapter adapter = new myAdapter(getBaseContext(),list,R.layout.category_list_drawer,from,to);
        SimpleAdapter adapter = new SimpleAdapter(getBaseContext(),list,R.layout.category_list_drawer,from,to);

        return adapter;
    }

    @Override
    protected void onPostExecute(SimpleAdapter simpleAdapter) {

            lv.setAdapter(simpleAdapter);

        }

}