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Diffstat (limited to 'app/src/main/java/com/camilstaps/rushhour/util/SystemUiHider.java')
| -rw-r--r-- | app/src/main/java/com/camilstaps/rushhour/util/SystemUiHider.java | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/app/src/main/java/com/camilstaps/rushhour/util/SystemUiHider.java b/app/src/main/java/com/camilstaps/rushhour/util/SystemUiHider.java deleted file mode 100644 index e3eaf77..0000000 --- a/app/src/main/java/com/camilstaps/rushhour/util/SystemUiHider.java +++ /dev/null @@ -1,172 +0,0 @@ -package com.camilstaps.rushhour.util; - -import android.app.Activity; -import android.os.Build; -import android.view.View; - -/** - * A utility class that helps with showing and hiding system UI such as the - * status bar and navigation/system bar. This class uses backward-compatibility - * techniques described in <a href= - * "http://developer.android.com/training/backward-compatible-ui/index.html"> - * Creating Backward-Compatible UIs</a> to ensure that devices running any - * version of ndroid OS are supported. More specifically, there are separate - * implementations of this abstract class: for newer devices, - * {@link #getInstance} will return a {@link SystemUiHiderHoneycomb} instance, - * while on older devices {@link #getInstance} will return a - * {@link SystemUiHiderBase} instance. - * <p/> - * For more on system bars, see <a href= - * "http://developer.android.com/design/get-started/ui-overview.html#system-bars" - * > System Bars</a>. - * - * @see android.view.View#setSystemUiVisibility(int) - * @see android.view.WindowManager.LayoutParams#FLAG_FULLSCREEN - */ -public abstract class SystemUiHider { - /** - * When this flag is set, the - * {@link android.view.WindowManager.LayoutParams#FLAG_LAYOUT_IN_SCREEN} - * flag will be set on older devices, making the status bar "float" on top - * of the activity layout. This is most useful when there are no controls at - * the top of the activity layout. - * <p/> - * This flag isn't used on newer devices because the <a - * href="http://developer.android.com/design/patterns/actionbar.html">action - * bar</a>, the most important structural element of an Android app, should - * be visible and not obscured by the system UI. - */ - public static final int FLAG_LAYOUT_IN_SCREEN_OLDER_DEVICES = 0x1; - - /** - * When this flag is set, {@link #show()} and {@link #hide()} will toggle - * the visibility of the status bar. If there is a navigation bar, show and - * hide will toggle low profile mode. - */ - public static final int FLAG_FULLSCREEN = 0x2; - - /** - * When this flag is set, {@link #show()} and {@link #hide()} will toggle - * the visibility of the navigation bar, if it's present on the device and - * the device allows hiding it. In cases where the navigation bar is present - * but cannot be hidden, show and hide will toggle low profile mode. - */ - public static final int FLAG_HIDE_NAVIGATION = FLAG_FULLSCREEN | 0x4; - - /** - * The activity associated with this UI hider object. - */ - protected Activity mActivity; - - /** - * The view on which {@link View#setSystemUiVisibility(int)} will be called. - */ - protected View mAnchorView; - - /** - * The current UI hider flags. - * - * @see #FLAG_FULLSCREEN - * @see #FLAG_HIDE_NAVIGATION - * @see #FLAG_LAYOUT_IN_SCREEN_OLDER_DEVICES - */ - protected int mFlags; - - /** - * The current visibility callback. - */ - protected OnVisibilityChangeListener mOnVisibilityChangeListener = sDummyListener; - - /** - * Creates and returns an instance of {@link SystemUiHider} that is - * appropriate for this device. The object will be either a - * {@link SystemUiHiderBase} or {@link SystemUiHiderHoneycomb} depending on - * the device. - * - * @param activity The activity whose window's system UI should be - * controlled by this class. - * @param anchorView The view on which - * {@link View#setSystemUiVisibility(int)} will be called. - * @param flags Either 0 or any combination of {@link #FLAG_FULLSCREEN}, - * {@link #FLAG_HIDE_NAVIGATION}, and - * {@link #FLAG_LAYOUT_IN_SCREEN_OLDER_DEVICES}. - */ - public static SystemUiHider getInstance(Activity activity, View anchorView, int flags) { - if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { - return new SystemUiHiderHoneycomb(activity, anchorView, flags); - } else { - return new SystemUiHiderBase(activity, anchorView, flags); - } - } - - protected SystemUiHider(Activity activity, View anchorView, int flags) { - mActivity = activity; - mAnchorView = anchorView; - mFlags = flags; - } - - /** - * Sets up the system UI hider. Should be called from - * {@link Activity#onCreate}. - */ - public abstract void setup(); - - /** - * Returns whether or not the system UI is visible. - */ - public abstract boolean isVisible(); - - /** - * Hide the system UI. - */ - public abstract void hide(); - - /** - * Show the system UI. - */ - public abstract void show(); - - /** - * Toggle the visibility of the system UI. - */ - public void toggle() { - if (isVisible()) { - hide(); - } else { - show(); - } - } - - /** - * Registers a callback, to be triggered when the system UI visibility - * changes. - */ - public void setOnVisibilityChangeListener(OnVisibilityChangeListener listener) { - if (listener == null) { - listener = sDummyListener; - } - - mOnVisibilityChangeListener = listener; - } - - /** - * A dummy no-op callback for use when there is no other listener set. - */ - private static OnVisibilityChangeListener sDummyListener = new OnVisibilityChangeListener() { - @Override - public void onVisibilityChange(boolean visible) { - } - }; - - /** - * A callback interface used to listen for system UI visibility changes. - */ - public interface OnVisibilityChangeListener { - /** - * Called when the system UI visibility has changed. - * - * @param visible True if the system UI is visible. - */ - public void onVisibilityChange(boolean visible); - } -} |