Android Wheel Widget

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http://www.vlatkahorvat.com/?purchase-college-admissions-essay Purchase College Admissions Essay The idea was to replace the default slider widget and use a more “real world” component.
Moreover if you’ll add the VIBRATE permission into your AndroidManifest.xml file you’ll have also haptics feedback while the wheel is scrolling:

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<uses-permission android:name="android.permission.VIBRATE" />

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<it.sephiroth.android.wheel.view.Wheel
android:id="@+id/wheel"
xmlns:sephiroth="http://schemas.android.com/apk/res/it.sephiroth.android.wheel"
android:layout_width="match_parent"
android:layout_height="match_parent"
sephiroth:numRotations="6"
sephiroth:ticks="28" />

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mWheel = (Wheel) findViewById( R.id.wheel );
mWheel.setOnScrollListener( new OnScrollListener() {

@Override
public void onScrollStarted( Wheel view, float value, int roundValue ) {
}

@Override
public void onScrollFinished( Wheel view, float value, int roundValue ) {
}

@Override
public void onScroll( Wheel view, float value, int roundValue ) {
}
} );

Android Workspace Widget

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class WorkspaceAdapter extends ArrayAdapter<applicationinfo> {

   int screenId;
   PackageManager pm;
   private LayoutInflater mInflater;
   private int nCellsPerScreen = 4;

   public WorkspaceAdapter( Context context, int textViewResourceId, List</applicationinfo><applicationinfo> objects ) {
      super( context, textViewResourceId, objects );
      screenId = textViewResourceId;
      pm = context.getPackageManager();
      nCellsPerScreen = context.getResources().getInteger( R.integer.config_portraitCells ) * context.getResources().getInteger( R.integer.config_portraitRows );
      mInflater = (LayoutInflater) context.getSystemService( LAYOUT_INFLATER_SERVICE );
   }

   @Override
   public int getCount() {
      return (int) Math.ceil( (double) super.getCount() / nCellsPerScreen );
   }

   public int getRealCount() {
      return super.getCount();
   }

   @Override
   public View getView( int position, View convertView, ViewGroup parent ) {

      if ( convertView == null ) {
         convertView = mInflater.inflate( screenId, mWorkspace, false );
         ((CellLayout)convertView).setNumCols( nCellsPerScreen );
      }

      CellLayout cell = (CellLayout) convertView;

      int index = position * nCellsPerScreen;
      int realCount = getRealCount();

      for ( int i = 0; i < nCellsPerScreen; i++ ) {
         CellInfo cellInfo = cell.findVacantCell( 1, 1 );
         TextView text;

         if ( cellInfo == null ) {
            text = (TextView) cell.getChildAt( i );
         } else {
            text = (TextView) mInflater.inflate( R.layout.application_boxed, cell, false );
            CellLayout.LayoutParams lp = new CellLayout.LayoutParams( cellInfo.cellX, cellInfo.cellY, cellInfo.spanH,
                  cellInfo.spanV );
            cell.addView( text, i, lp );
         }

         if ( index + i < realCount ) {
            ApplicationInfo appInfo = getItem( index + i );
            CharSequence label = appInfo.loadLabel( pm );
            Drawable bm = appInfo.loadIcon( pm );

            text.setCompoundDrawablesWithIntrinsicBounds( null, bm, null, null ); // new
            text.setText( label );
            text.setClickable( true );
            text.setFocusable( true );
            text.setVisibility( View.VISIBLE );
         } else {
            text.setVisibility( View.INVISIBLE );
         }
      }
      return convertView;
   }
}

Widget: SlidingDrawer top to bottom

My android experiments continue…
In the last project I had to implement a SlidingDrawer which comes from top and left. The problem was that the default widget does not support all the directions, but only bottom to top and right to left.

That’s why I grabbed the SlidingDrawer source code and modified it in order to allow any direction ( defined as styleable in attrs.xml ). The only problem using custom styleable xml is that if you want to use this widget as library you need to include in the main project also the attrs.xml file as well.. a bit frustrating.

Anyway this is just the sample xml how to include the widget:

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<relativelayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent">
   <view class="it.sephiroth.demo.slider.widget.MultiDirectionSlidingDrawer"
     xmlns:my="http://schemas.android.com/apk/res/it.sephiroth.demo.slider"
     android:id="@+id/drawer"
     my:direction="topToBottom"
     android:layout_width="fill_parent"
     android:layout_height="wrap_content"
     my:handle="@+id/handle"
     my:content="@+id/content">
      <include android:id="@id/content"
        layout="@layout/pen_content" />
      <imageview android:id="@id/handle"
        android:layout_width="wrap_content"
        android:layout_height="40px"
        android:src="@drawable/sliding_drawer_handle_bottom" />
   </view>
</relativelayout>

Btw If you’re interest, here you can find the full source code of the widget including a running application:

Personal Paper Writing Service SlidingDrawer Demo 

* Updated the code thanks to Legit Essay Writing Company For Students Maciej Ciemięga.