Android Open Source - fullScreenApp System Ui Hider Honeycomb

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License

The source code is released under:

MIT License

Java Source Code

package com.example.fullscreen.util;
/* w ww  .  j  a va  2  s .  c om*/
import android.annotation.TargetApi;
import android.os.Build;
import android.view.View;
import android.view.WindowManager;
import android.support.v7.app.ActionBarActivity;

/**
 * An API 11+ implementation of {@link SystemUiHider}. Uses APIs available in
 * Honeycomb and later (specifically {@link View#setSystemUiVisibility(int)}) to
 * show and hide the system UI.
 */
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
public class SystemUiHiderHoneycomb extends SystemUiHiderBase
{  
  /**
   * Flags for {@link View#setSystemUiVisibility(int)} to use when showing the
   * system UI and hide system UI.
   */
  private int mToggleFlags;

  /**
   * Whether or not the system UI is currently visible. This is cached from
   * {@link android.view.View.OnSystemUiVisibilityChangeListener}.
   */
  private boolean mVisible = true;

  /**
   * Constructor not intended to be called by clients. Use
   * {@link SystemUiHider#getInstance} to obtain an instance.
   */
  protected SystemUiHiderHoneycomb( ActionBarActivity activity,
                                   View anchorView, int flags )
  {
    super( activity, anchorView, flags );

    mToggleFlags = View.SYSTEM_UI_FLAG_FULLSCREEN
      | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
  }

  /** {@inheritDoc} */
  @Override
  public void setup( )
  {
    mAnchorView
      .setOnSystemUiVisibilityChangeListener( mSystemUiVisibilityChangeListener );
  }

  /** {@inheritDoc} */
  @Override
  public void hide( )
  {    
    uiOptions = mActivity.getWindow( ).getDecorView( ).getSystemUiVisibility( );
    uiOptions |= mToggleFlags;
    mAnchorView.setSystemUiVisibility( uiOptions );
  }

  /** {@inheritDoc} */
  @Override
  public void show( )
  {
    uiOptions = mActivity.getWindow( ).getDecorView( ).getSystemUiVisibility( );
    uiOptions &= ~mToggleFlags;
    mAnchorView.setSystemUiVisibility( uiOptions );
  }

  /** {@inheritDoc} */
  @Override
  public boolean isVisible( )
  {
    return mVisible;
  }

  private View.OnSystemUiVisibilityChangeListener mSystemUiVisibilityChangeListener = new View.OnSystemUiVisibilityChangeListener( ) {
    @Override
    public void onSystemUiVisibilityChange( int vis )
    {
      // Test if the system UI is visible.
      if( vis != 0 )
      {
        // Hide Action Bar Compat
        mActivity.getSupportActionBar( ).hide( );
        // Hide status bar
        mActivity.getWindow( ).setFlags(
          WindowManager.LayoutParams.FLAG_FULLSCREEN,
          WindowManager.LayoutParams.FLAG_FULLSCREEN );

        // Trigger the registered listener and cache the visibility
        // state.
        mOnVisibilityChangeListener.onVisibilityChange( false );
        mVisible = false;

      }
      else
      {
        // Show Action Bar Compat
        mActivity.getSupportActionBar( ).show( );
        // Show status bar. Comment command bellow if you want show
        // only action bar
        mActivity.getWindow( ).setFlags( 0,
                                        WindowManager.LayoutParams.FLAG_FULLSCREEN );

        // Trigger the registered listener and cache the visibility
        // state.
        mOnVisibilityChangeListener.onVisibilityChange( true );
        mVisible = true;
      }
    }
  };
}

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