Android Open Source - Mobile_Android Fragment Display Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package org.aisillinois.mobile;
/*w  w w  .j  av a 2s  . c o  m*/
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class FragmentDisplayActivity extends Activity implements ListView.OnItemClickListener {

  
    private ActionBarDrawerToggle mDrawerToggle;
  private String[] mFragmentsTitles;
    private DrawerLayout mDrawerLayout;
    private ListView mDrawerList;
    private CharSequence mDrawerTitle;
    private CharSequence mTitle;
    
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.fragment_display);

        mTitle = mDrawerTitle = getTitle();
        mFragmentsTitles = getResources().getStringArray(R.array.fragments_array);
        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        mDrawerList = (ListView) findViewById(R.id.left_drawer);

        
        // set a custom shadow that overlays the main content when the drawer opens
        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
        // Set the adapter for the list view
        mDrawerList.setAdapter(new ArrayAdapter<String>(this,
                R.layout.drawer_list_item, mFragmentsTitles));
        // Set the list's click listener
        mDrawerList.setOnItemClickListener(this);

     // enable ActionBar app icon to behave as action to toggle nav drawer
        getActionBar().setDisplayHomeAsUpEnabled(true);
        getActionBar().setHomeButtonEnabled(true);
        
     // ActionBarDrawerToggle ties together the the proper interactions
        // between the sliding drawer and the action bar app icon
        mDrawerToggle = new ActionBarDrawerToggle(
                this,                  /* host Activity */
                mDrawerLayout,         /* DrawerLayout object */
                R.drawable.ic_drawer,  /* nav drawer image to replace 'Up' caret */
                R.string.drawer_open,  /* "open drawer" description for accessibility */
                R.string.drawer_close  /* "close drawer" description for accessibility */
                ) {
            public void onDrawerClosed(View view) {
                getActionBar().setTitle(mTitle);
                invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
            }

            public void onDrawerOpened(View drawerView) {
                getActionBar().setTitle(mDrawerTitle);
                invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
            }
        };
        mDrawerLayout.setDrawerListener(mDrawerToggle);

        if (savedInstanceState == null) {
            selectItem(0);
        }
        
        
    }
    
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.fragment_display, menu);
        return super.onCreateOptionsMenu(menu);
    }
    
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
         // The action bar home/up action should open or close the drawer.
         // ActionBarDrawerToggle will take care of this.
        if (mDrawerToggle.onOptionsItemSelected(item)) {
            return true;}
          return false;
        }
        
  @Override
  public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
    selectItem(arg2);
    
  }

  private void selectItem(int pos) {
    switch(pos){
    case 0:
      Fragment fragmentA = new AboutUsFragment();
      Bundle args = new Bundle();
      args.putString("key", "value");
      FragmentManager fragmentManager = getFragmentManager();
        fragmentManager.beginTransaction()
                       .replace(R.id.content_frame, fragmentA)
                       .commit();
        break;
     default:
       break;
    }
    
    mDrawerList.setItemChecked(pos, true);
      setTitle(mFragmentsTitles[pos]);
      mDrawerLayout.closeDrawer(mDrawerList);

  }
  
}

Java Source Code List

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