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The source code is released under:
GNU General Public License
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package situationalinertia.com.showaduck.util; /*from w w w . j a va 2 s . c om*/ import android.app.Activity; import android.view.View; import android.view.WindowManager; /** * A base implementation of {@link SystemUiHider}. Uses APIs available in all * API levels to show and hide the status bar. */ public class SystemUiHiderBase extends SystemUiHider { /** * Whether or not the system UI is currently visible. This is a cached value * from calls to {@link #hide()} and {@link #show()}. */ private boolean mVisible = true; /** * Constructor not intended to be called by clients. Use * {@link SystemUiHider#getInstance} to obtain an instance. */ protected SystemUiHiderBase(Activity activity, View anchorView, int flags) { super(activity, anchorView, flags); } @Override public void setup() { if ((mFlags & FLAG_LAYOUT_IN_SCREEN_OLDER_DEVICES) == 0) { mActivity.getWindow().setFlags( WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN | WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN | WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS); } } @Override public boolean isVisible() { return mVisible; } @Override public void hide() { if ((mFlags & FLAG_FULLSCREEN) != 0) { mActivity.getWindow().setFlags( WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); } mOnVisibilityChangeListener.onVisibilityChange(false); mVisible = false; } @Override public void show() { if ((mFlags & FLAG_FULLSCREEN) != 0) { mActivity.getWindow().setFlags( 0, WindowManager.LayoutParams.FLAG_FULLSCREEN); } mOnVisibilityChangeListener.onVisibilityChange(true); mVisible = true; } }