Android Open Source - fullScreenApp System Ui Hider Kitkat

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License

The source code is released under:

MIT License

Java Source Code

package com.example.fullscreen.util;
//from  ww  w  .  ja v a2 s .  c o  m
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.KITKAT)
public class SystemUiHiderKitkat 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 SystemUiHiderKitkat( ActionBarActivity activity, View anchorView,
                                int flags )
  {
    super( activity, anchorView, flags );

    mToggleFlags = View.SYSTEM_UI_FLAG_FULLSCREEN
      | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
      | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
  }

  /** {@inheritDoc} */
  @Override
  public void setup( )
  {
    // It isn't need anymore the onSystemUiVisibilityChange listener
    // because in system immersive mode didn't have visibility changes
    // when immersive flags are seted or unseted.,
  }

  /** {@inheritDoc} */
  @Override
  public void hide( )
  {
    uiOptions = mActivity.getWindow( ).getDecorView( ).getSystemUiVisibility( );
    uiOptions |= mToggleFlags;
    mAnchorView.setSystemUiVisibility( uiOptions );
    // Visibility changes need to do out of onSystemUiVisibilityChange
    // because in system immersive mode didn't have visibility changes
    // when immersive flags are seted or unseted.
    mActivity.getSupportActionBar( ).hide( );
    // Trigger the registered listener and cache the visibility
    // state.
    mOnVisibilityChangeListener.onVisibilityChange( false );
    mVisible = false;
  }
  
  /** {@inheritDoc} */
  @Override
  public void show( )
  {
    uiOptions = mActivity.getWindow( ).getDecorView( ).getSystemUiVisibility( );
    uiOptions &= ~mToggleFlags;
    mAnchorView.setSystemUiVisibility( uiOptions );
    // Visibility changes need to do out of onSystemUiVisibilityChange
    // because in system immersive mode didn't have visibility changes
    // when immersive flags are seted or unseted.
    mActivity.getSupportActionBar( ).show( ); 
    // Trigger the registered listener and cache the visibility
    // state.
    mOnVisibilityChangeListener.onVisibilityChange( true );
    mVisible = true;

  }

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

Java Source Code List

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