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Monday, September 19, 2016

Fragment - Tao Fragment

  - MainActivity : 


public class MainActivity extends Activity {
    private DrawerLayout mDrawerLayout;
    private ListView mDrawerList;
    private ActionBarDrawerToggle mDrawerToggle;

    // nav drawer title    private CharSequence mDrawerTitle;

    // used to store app title    private CharSequence mTitle;

    // slide menu items    private String[] navMenuTitles;
    private TypedArray navMenuIcons;

    private ArrayList<NavDrawerItem> navDrawerItems;
    private NavDrawerListAdapter adapter;

    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mTitle = mDrawerTitle = getTitle();

        // load slide menu items        
        navMenuTitles = getResources().getStringArray(R.array.nav_drawer_items);

        // nav drawer icons from resources        
        navMenuIcons = getResources()
                .obtainTypedArray(R.array.nav_drawer_icons);

        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        mDrawerList = (ListView) findViewById(R.id.list_slidermenu);

        navDrawerItems = new ArrayList<NavDrawerItem>();

        // adding nav drawer items to array        // Home        
         navDrawerItems.add(new NavDrawerItem(navMenuTitles[0], navMenuIcons.getResourceId(0, -1)));
        // Find People        
        navDrawerItems.add(new NavDrawerItem(navMenuTitles[1], navMenuIcons.getResourceId(1, -1)));
        // Photos        
        navDrawerItems.add(new NavDrawerItem(navMenuTitles[2], navMenuIcons.getResourceId(2, -1)));
        // Communities, Will add a counter here        
         navDrawerItems.add(new NavDrawerItem(navMenuTitles[3], navMenuIcons.getResourceId(3, -1), true, "22"));
        // Pages        
        navDrawerItems.add(new NavDrawerItem(navMenuTitles[4], navMenuIcons.getResourceId(4, -1)));
        // What's hot, We  will add a counter here        
         navDrawerItems.add(new NavDrawerItem(navMenuTitles[5], navMenuIcons.getResourceId(5, -1), true, "50+"));


        // Recycle the typed array        
        navMenuIcons.recycle();

        // setting the nav drawer list adapter        
        adapter = new NavDrawerListAdapter(getApplicationContext(),
                navDrawerItems);
        mDrawerList.setAdapter(adapter);
        mDrawerList.setOnItemClickListener(new SlideMenuClickListener());
        // enabling action bar app icon and behaving it as toggle button        
        getActionBar().setDisplayHomeAsUpEnabled(true);        
        getActionBar().setHomeButtonEnabled(true);
        mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
                R.mipmap.ic_drawer, //nav menu toggle icon                
                R.string.app_name, // nav drawer open - description for accessibility                
                R.string.app_name // nav drawer close - description for accessibility        ) {
            public void onDrawerClosed(View view) {
               getActionBar().setTitle(mTitle);                // calling onPrepareOptionsMenu() to show action bar icons                
               invalidateOptionsMenu();
            }

            public void onDrawerOpened(View drawerView) {
                getActionBar().setTitle(mDrawerTitle);                // calling onPrepareOptionsMenu() to hide action bar icons                
                invalidateOptionsMenu();
            }
        };
        mDrawerLayout.setDrawerListener(mDrawerToggle);

        if (savedInstanceState == null) {
            // on first time display view for first nav item            
            displayView(0);
        }
    }

    private class SlideMenuClickListener implements            
         ListView.OnItemClickListener {
        @Override        
        public void onItemClick(AdapterView<?> parent, View view, int position,
                                long id) {
                  displayView(position);
        }
    }

    private void displayView(int position) {
        // update the main content by replacing fragments        
         Fragment fragment = null;
        switch (position) {
            case 0:
                fragment = new HomeFragment();
                break;
            case 1:
                fragment = new FindPeopleFragment();
                break;
            case 2:
                fragment = new PhotosFragment();
                break;
            case 3:
                fragment = new PhotosFragment.CommunityFragment();
                break;
            case 4:
                fragment = new PagesFragment();
                break;
            case 5:
                fragment = new WhatsHotFragment();
                break;

            default:
                break;
        }

        if (fragment != null) {
            FragmentManager fragmentManager = getFragmentManager();
            fragmentManager.beginTransaction()
                    .replace(R.id.frame_container, fragment).commit();

            // update selected item and title, then close the drawer            
            mDrawerList.setItemChecked(position, true);
            mDrawerList.setSelection(position);
            setTitle(navMenuTitles[position]);
            mDrawerLayout.closeDrawer(mDrawerList);
        } else {
            // error in creating fragment            
         Log.e("MainActivity", "Error in creating fragment");
        }
    }


    @Override    
     public void setTitle(CharSequence title) {
        mTitle = title;
        getActionBar().setTitle(mTitle);    
    }

    /**     * When using the ActionBarDrawerToggle, you must call it during     * onPostCreate() and onConfigurationChanged()...     */
    @Override    
     protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        // Sync the toggle state after onRestoreInstanceState has occurred.        
        mDrawerToggle.syncState();
    }

    @Override    
     public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        // Pass any configuration change to the drawer toggls        
        mDrawerToggle.onConfigurationChanged(newConfig);
    }
}






- main.xml : 

<android.support.v4.widget.DrawerLayout    
  xmlns:android="http://schemas.android.com/apk/res/android"    
  android:id="@+id/drawer_layout"    
  android:layout_width="match_parent"    
  android:layout_height="match_parent"
  >

    <!-- Framelayout to display Fragments -->    
<FrameLayout        
  android:id="@+id/frame_container"        
  android:layout_width="match_parent"        
  android:layout_height="match_parent"
  />

    <!-- Listview to display slider menu -->   
 <ListView        
   android:id="@+id/list_slidermenu"        
   android:layout_width="240dp"        
   android:layout_height="match_parent"        
   android:layout_gravity="start"        
   android:choiceMode="singleChoice"       
   android:divider="#00ff62"        
   android:dividerHeight="1dp"        
   android:listSelector="@drawable/list_selector"       
   android:background="#e93a05"
/>
</android.support.v4.widget.DrawerLayout>


- HomeFragment.java :

/** * Created by Nhut on 9/13/2016. */
 public class HomeFragment extends Fragment {

    public HomeFragment(){}

    @Override    
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {

        View rootView = inflater.inflate(R.layout.fragment_home, container, false);

        return rootView;
    }
}

- fragment_home.xml : 
- <?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 
   xmlns:android="http://schemas.android.com/apk/res/android"    
   android:layout_width="match_parent"    
   android:layout_height="match_parent"
  >
    
    <TextView        
      android:id="@+id/txtLabel"        
      android:layout_width="wrap_content"       
      android:layout_height="wrap_content"       
      android:layout_centerInParent="true"        
      android:textSize="16dp"        
      android:text="Home View"
    />
    
    <ImageView 
      android:layout_width="wrap_content"        
      android:layout_height="wrap_content"       
      android:layout_below="@id/txtLabel"       
      android:src="@drawable/ic_home"        
      android:layout_centerHorizontal="true"        
      android:layout_marginTop="10dp"
    />
    

</RelativeLayout>




- FindPeopleFragment.java : 

public class FindPeopleFragment extends Fragment {
   
   public FindPeopleFragment(){}
   
   @Override    
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
 
        View rootView = inflater.inflate(R.layout.fragment_find_people, container, false);
         
        return rootView;
    }
}


- fragment_find_people.xml :

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 
  xmlns:android="http://schemas.android.com/apk/res/android"    
  android:layout_width="match_parent"    
  android:layout_height="match_parent"
  >
    
    <TextView        
     android:id="@+id/txtLabel"        
     android:layout_width="wrap_content"       
     android:layout_height="wrap_content"        
     android:layout_centerInParent="true"       
     android:textSize="16dp"       
     android:text="Find People View"
    />
    
    <ImageView 
      android:layout_width="wrap_content"        
      android:layout_height="wrap_content"        
      android:layout_below="@id/txtLabel"        
      android:src="@drawable/ic_people"        
      android:layout_centerHorizontal="true"       
      android:layout_marginTop="10dp"
    />
    

</RelativeLayout>


...................................


- NavDrawerItem.java :


    public class NavDrawerItem {

    private String title;
    private int icon;
    private String count = "0";
    // boolean to set visiblity of the counter    
    private boolean isCounterVisible = false;

    public NavDrawerItem(){}

    public NavDrawerItem(String title, int icon){
        this.title = title;
        this.icon = icon;
    }

    public NavDrawerItem(String title, int icon, boolean isCounterVisible, String count){
        this.title = title;
        this.icon = icon;
        this.isCounterVisible = isCounterVisible;
        this.count = count;
    }

    public String getTitle(){
        return this.title;
    }

    public int getIcon(){
        return this.icon;
    }

    public String getCount(){
        return this.count;
    }

    public boolean getCounterVisibility(){
        return this.isCounterVisible;
    }

    public void setTitle(String title){
        this.title = title;
    }

    public void setIcon(int icon){
        this.icon = icon;
    }

    public void setCount(String count){
        this.count = count;
    }

    public void setCounterVisibility(boolean isCounterVisible){
        this.isCounterVisible = isCounterVisible;
    }
}


- NavDrawerListAdapter.java : 

public class NavDrawerListAdapter extends BaseAdapter {

    private Context context;
    private ArrayList<NavDrawerItem> navDrawerItems;

    public NavDrawerListAdapter(Context context, ArrayList<NavDrawerItem> navDrawerItems){
        this.context = context;
        this.navDrawerItems = navDrawerItems;
    }

    @Override    
    public int getCount() {
        return navDrawerItems.size();
    }

    @Override   
    public Object getItem(int position) {
        return navDrawerItems.get(position);
    }

    @Override    
    public long getItemId(int position) {
        return position;
    }

    @Override    
    public View getView(int position, View convertView, ViewGroup parent) {
        if (convertView == null) {
            LayoutInflater mInflater = (LayoutInflater)
                    context.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
            convertView = mInflater.inflate(R.layout.drawer_list_item, null);
        }

        ImageView imgIcon = (ImageView) convertView.findViewById(R.id.icon);
        TextView txtTitle = (TextView) convertView.findViewById(R.id.title);
        TextView txtCount = (TextView) convertView.findViewById(R.id.counter);

        imgIcon.setImageResource(navDrawerItems.get(position).getIcon());
        txtTitle.setText(navDrawerItems.get(position).getTitle());

        // displaying count        // check whether it set visible or not        
        if(navDrawerItems.get(position).getCounterVisibility()){
            txtCount.setText(navDrawerItems.get(position).getCount());
        }else{
            // hide the counter view            
          txtCount.setVisibility(View.GONE);
        }

        return convertView;
    }

}




- drawer_list_item.xml : 


<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 
xmlns:android="http://schemas.android.com/apk/res/android"    
android:layout_width="match_parent"    
android:layout_height="48dp"    
android:background="@drawable/list_selector"
>

    <ImageView        
        android:id="@+id/icon"       
        android:layout_width="25dp"        
        android:layout_height="wrap_content"       
        android:layout_alignParentLeft="true"        
        android:layout_marginLeft="12dp"        
        android:layout_marginRight="12dp"        
        android:contentDescription="@string/desc_list_item_icon"        
        android:src="@drawable/ic_home"        
        android:layout_centerVertical="true" 
    />

    <TextView        
 android:id="@+id/title"        
 android:layout_width="wrap_content"        
 android:layout_height="match_parent"        
 android:layout_toRightOf="@id/icon"        
 android:minHeight="?android:attr/listPreferredItemHeightSmall"     
 android:textAppearance="?android:attr/textAppearanceListItemSmall"
 android:textColor="#000000"       
 android:gravity="center_vertical"       
 android:paddingRight="40dp"
/>

    <TextView android:id="@+id/counter"        
android:layout_width="wrap_content"        
android:layout_height="wrap_content"       
 android:background="@drawable/counter_bg"        
android:layout_alignParentRight="true"        
android:layout_centerVertical="true"        
android:layout_marginRight="8dp"        
android:textColor="#fb00ff"
/>

</RelativeLayout>




- counter_bg.xml :


<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"   
 android:shape="rectangle" 
>
    <!-- view background color -->    
<solid android:color="#003cff" >
    </solid>

    <!-- If you want to add some padding -->    
<padding        
android:right="3dp"        
android:left="3dp" 
> </padding>

    <!-- Here is the corner radius -->    
<corners android:radius="2dp" >
    </corners>

</shape>




- list_item_bg_normal.xml :


<shape 
xmlns:android="http://schemas.android.com/apk/res/android"    
android:shape="rectangle"
>
    <gradient        
android:startColor="#00ffff"        
android:endColor="#4cb9c7"        
android:angle="90" />
</shape>




- list_item_bg_pressed.xml : 


<shape 
xmlns:android="http://schemas.android.com/apk/res/android"    
android:shape="rectangle"
>
    <gradient        
android:startColor="#ffe100"        
android:endColor="#ffe9bc"        
android:angle="90" />
</shape>




- list_selector.xml : 


<?xml version="1.0" encoding="utf-8"?>
<selector 
xmlns:android="http://schemas.android.com/apk/res/android"
>

    <item android:drawable="@drawable/list_item_bg_normal" 
android:state_activated="false"
/>
    <item
 android:drawable="@drawable/list_item_bg_pressed" 
android:state_pressed="true"/>
    <item 
android:drawable="@drawable/list_item_bg_pressed" 
android:state_activated="true"/>

</selector>





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