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POGet id of TextView in Fragment from FragmentActivity in ViewPager
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  1. POGet id of TextView in Fragment from FragmentActivity in ViewPager
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    copied!<p>I'm working with <code>ViewPager</code> with 3 <code>Fragments</code> and I want to change text of <code>TextView</code> in third page.</p> <p>In that page I have a <code>Button</code>that when its pressed, go to SD images to select one. When done, returns to page and want to update <code>TextView</code> with path of that image. The problem is that when I try to access that <code>TextView</code>from <code>FragmentActivity</code>it is null.</p> <p><strong>Here is my code</strong></p> <p><strong>SherlockFragmentActivity:</strong></p> <pre><code>public class TabsFacturasActivity extends SherlockFragmentActivity { protected MyApplication myApplication; private static final int FILE_SELECT_CODE = 0; private MyAdapter mAdapter; private ViewPager mPager; private PageIndicator mIndicator; private TextView textViewImg; private int lecturas = 0; private SimpleDateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy"); private boolean adjunto = false; private String filePath; private boolean esLecturaAT = false; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.fragment_pager); // Get the application instance myApplication = (MyApplication)getApplication(); //Need to get that view textViewImg = (TextView) findViewById(R.id.textViewUrlImgLectura); //Creamos la lista LinkedList&lt;String&gt; direcciones = new LinkedList&lt;String&gt;(); ArrayList&lt;TuplaCupsWS&gt; dirs = myApplication.getUsuarioActual().getCups(); for(int dir = 0; dir &lt; myApplication.getUsuarioActual().getCups().size(); dir++) { direcciones.add(new String(dirs.get(dir).getDireccion())); } int tab = getIntent().getIntExtra("tab", 0); mAdapter = new MyAdapter(getSupportFragmentManager()); mPager = (ViewPager)findViewById(R.id.pager); mPager.setAdapter(mAdapter); mPager.setCurrentItem(tab); mIndicator = (TitlePageIndicator)findViewById(R.id.indicator); mIndicator.setViewPager(mPager); getSupportActionBar().setDisplayShowTitleEnabled(false); getSupportActionBar().setIcon(R.drawable.logo_factorenergia_peque); /** Create an array adapter to populate dropdownlist */ ArrayAdapter&lt;String&gt; adapter = new ArrayAdapter&lt;String&gt;( getBaseContext(), android.R.layout.simple_spinner_dropdown_item, direcciones); /** Enabling dropdown list navigation for the action bar */ getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_LIST); /** Defining Navigation listener */ OnNavigationListener navigationListener = new OnNavigationListener() { @Override public boolean onNavigationItemSelected(int itemPosition, long itemId) { return false; } }; /** Setting dropdown items and item navigation listener for the actionbar */ getSupportActionBar().setListNavigationCallbacks(adapter, (com.actionbarsherlock.app.ActionBar.OnNavigationListener) navigationListener); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { switch (requestCode) { case FILE_SELECT_CODE: if (resultCode == RESULT_OK) { adjunto = true; // Get the Uri of the selected file Uri uri = data.getData(); // Get the path String path = ""; try { path = MyUtility.getPath(this, uri); } catch (URISyntaxException e) { myApplication.throwException(this); e.printStackTrace(); } String imgName = path.split("/")[path.split("/").length-1]; textViewImg.setText(imgName); //Here textViewImg is null filePath = path; } break; } super.onActivityResult(requestCode, resultCode, data); } //Method executed when Button is pressed public void examinar(View view) { mostrarFileChooser(); } private void mostrarFileChooser() { Intent intent = new Intent(Intent.ACTION_PICK); intent.setType("image/*"); try { startActivityForResult(intent, FILE_SELECT_CODE); } catch (android.content.ActivityNotFoundException ex) { } } private static class MyAdapter extends FragmentPagerAdapter { private String[] titles = { "VER FACTURAS", "VER CONSUMO", "INTRODUCIR LECTURA" }; public MyAdapter(FragmentManager fragmentManager) { super(fragmentManager); } @Override public CharSequence getPageTitle(int position) { return titles[position]; } @Override public Fragment getItem(int position) { switch (position) { case 0: // Fragment # 0 return new FacturasActivity(); case 1: // Fragment # 1 return new ConsumoActivity(); case 2:// Fragment # 2 return new LecturaActivity(); } //return new MyFragment(); return null; } @Override public int getCount() { return titles.length; } } } </code></pre> <p><strong>fragment_pager.xml</strong></p> <pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" tools:context=".TabsFacturasActivity" &gt; &lt;com.viewpagerindicator.TitlePageIndicator android:id="@+id/indicator" android:padding="10dip" android:layout_height="wrap_content" android:layout_width="fill_parent" /&gt; &lt;android.support.v4.view.ViewPager android:id="@+id/pager" android:layout_width="fill_parent" android:layout_height="0dp" android:layout_weight="1" android:background="#1184A4E8" /&gt; &lt;/LinearLayout&gt; </code></pre>
 

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