全屏活动向导活动。如何在与设备交互时停止显示操作栏？

时间：2013-03-03 13:22:55

标签： android android-actionbar

当我使用fullscreen activity wizard创建活动时，它会创建一个全屏活动，但每当我点击屏幕上的任意位置时，操作栏会显示几秒钟。我怎么能阻止它这样做？

FullScreenActivity.java的完整代码 

/**
 * An example full-screen activity that shows and hides the system UI (i.e.
 * status bar and navigation/system bar) with user interaction.
 * 
 * @see SystemUiHider
 */
public class FullscreenActivity extends Activity {
    /**
     * Whether or not the system UI should be auto-hidden after
     * {@link #AUTO_HIDE_DELAY_MILLIS} milliseconds.
     */
    private static final boolean AUTO_HIDE = true;

    /**
     * If {@link #AUTO_HIDE} is set, the number of milliseconds to wait after
     * user interaction before hiding the system UI.
     */
    private static final int AUTO_HIDE_DELAY_MILLIS = 3000;

    /**
     * If set, will toggle the system UI visibility upon interaction. Otherwise,
     * will show the system UI visibility upon interaction.
     */
    private static final boolean TOGGLE_ON_CLICK = true;

    /**
     * The flags to pass to {@link SystemUiHider#getInstance}.
     */
    private static final int HIDER_FLAGS = SystemUiHider.FLAG_HIDE_NAVIGATION;

    /**
     * The instance of the {@link SystemUiHider} for this activity.
     */
    private SystemUiHider mSystemUiHider;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_fullscreen);

        final View controlsView = findViewById(R.id.fullscreen_content_controls);
        final View contentView = findViewById(R.id.fullscreen_content);

        // Set up an instance of SystemUiHider to control the system UI for
        // this activity.
        mSystemUiHider = SystemUiHider.getInstance(this, contentView,
                HIDER_FLAGS);
        mSystemUiHider.setup();
        mSystemUiHider
                .setOnVisibilityChangeListener(new SystemUiHider.OnVisibilityChangeListener() {
                    // Cached values.
                    int mControlsHeight;
                    int mShortAnimTime;

                    @Override
                    @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
                    public void onVisibilityChange(boolean visible) {
                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
                            // If the ViewPropertyAnimator API is available
                            // (Honeycomb MR2 and later), use it to animate the
                            // in-layout UI controls at the bottom of the
                            // screen.
                            if (mControlsHeight == 0) {
                                mControlsHeight = controlsView.getHeight();
                            }
                            if (mShortAnimTime == 0) {
                                mShortAnimTime = getResources().getInteger(
                                        android.R.integer.config_shortAnimTime);
                            }
                            controlsView
                                    .animate()
                                    .translationY(visible ? 0 : mControlsHeight)
                                    .setDuration(mShortAnimTime);
                        } else {
                            // If the ViewPropertyAnimator APIs aren't
                            // available, simply show or hide the in-layout UI
                            // controls.
                            controlsView.setVisibility(visible ? View.VISIBLE
                                    : View.GONE);
                        }

                        if (visible && AUTO_HIDE) {
                            // Schedule a hide().
                            delayedHide(AUTO_HIDE_DELAY_MILLIS);
                        }
                    }
                });

        // Set up the user interaction to manually show or hide the system UI.
        contentView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (TOGGLE_ON_CLICK) {
                    mSystemUiHider.toggle();
                } else {
                    mSystemUiHider.show();
                }
            }
        });

        // Upon interacting with UI controls, delay any scheduled hide()
        // operations to prevent the jarring behavior of controls going away
        // while interacting with the UI.
        findViewById(R.id.dummy_button).setOnTouchListener(
                mDelayHideTouchListener);
    }

    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);

        // Trigger the initial hide() shortly after the activity has been
        // created, to briefly hint to the user that UI controls
        // are available.
        delayedHide(100);
    }

    /**
     * Touch listener to use for in-layout UI controls to delay hiding the
     * system UI. This is to prevent the jarring behavior of controls going away
     * while interacting with activity UI.
     */
    View.OnTouchListener mDelayHideTouchListener = new View.OnTouchListener() {
        @Override
        public boolean onTouch(View view, MotionEvent motionEvent) {
            if (AUTO_HIDE) {
                delayedHide(AUTO_HIDE_DELAY_MILLIS);
            }
            return false;
        }
    };

    Handler mHideHandler = new Handler();
    Runnable mHideRunnable = new Runnable() {
        @Override
        public void run() {
            mSystemUiHider.hide();
        }
    };

    /**
     * Schedules a call to hide() in [delay] milliseconds, canceling any
     * previously scheduled calls.
     */
    private void delayedHide(int delayMillis) {
        mHideHandler.removeCallbacks(mHideRunnable);
        mHideHandler.postDelayed(mHideRunnable, delayMillis);
    }
}

8 个答案:

答案 0 :(得分：12)

如果我理解正确，你只想隐藏操作栏？

如果是，请更改此行（将flag_hide_navigation更改为0）。

private static final int HIDER_FLAGS = 0;// SystemUiHider.FLAG_HIDE_NAVIGATION;

并将其添加到onCreate调用：

protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    getWindow().requestFeature(Window.FEATURE_ACTION_BAR);   //new
    getActionBar().hide();                                   //new
    getWindow().setFlags(
         WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);

    setContentView(R.layout.activity_fullscreen);

之后，如果您想显示操作栏，只需从活动中的任何位置拨打电话：

getActionBar().show();

答案 1 :(得分：2)

我试着用0代替3000 

private static final int AUTO_HIDE_DELAY_MILLIS = 3000;

但它变得太迟了...... 那么，你可以在androidmanifest.xml中进行更改 添加

android:theme="@android:style/Theme.NoTitleBar.Fullscreen"

到AndroidManifest.xml underApplication

答案 2 :(得分：2)

这对我有用。尽管导航器未完全移除，但用户不需要太多时间进行交互，而且按钮图标是小点。这也减少了整个地方所需的代码量，使屏幕全屏显示。

SystemUiHider hider = null;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    //go full screen with no title
    this.requestWindowFeature(Window.FEATURE_PROGRESS); //show progress on loadup
    this.requestWindowFeature(Window.FEATURE_NO_TITLE); //hide the title bar
    this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); //go fullscreen

    setContentView(R.layout.activity_main);

    //hide the navigation controls
    final RelativeLayout mainLayout = (RelativeLayout)this.findViewById(R.id.mainLayout);
    hider = SystemUiHider.getInstance(this, mainLayout, SystemUiHider.FLAG_HIDE_NAVIGATION);
    hider.setup();
    hider.setOnVisibilityChangeListener(new SystemUiHider.OnVisibilityChangeListener() {
        @Override
        @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
        public void onVisibilityChange(boolean visible) {
            if (visible) {
                //will make navigator into small dots
                hider.hide(); 

                //must use delayed to force navigator to disappear completely
                final Handler mHideHandler = new Handler();
                final Runnable mHideRunnable = new Runnable() {
                    @Override
                    public void run() {
                        hider.hide();
                    }
                };
                mHideHandler.removeCallbacks(mHideRunnable);
                mHideHandler.postDelayed(mHideRunnable, 1000); //min 1 sec to work
            }
        }
    });
    hider.hide();

    //do the rest of your onCreate stuff here
}

答案 3 :(得分：1)

我深入研究了代码并在没有物理导航按钮的Android 4.2设备上启动了活动。默认配置尽可能为全屏。它隐藏了状态栏，操作栏和导航栏。那么，如果没有点击屏幕上的任何地方点击，用户将如何退出您的活动？其他任何东西都会受到很大的限制和糟糕的可用性。我认为这就是为什么不能操纵这种行为的原因。

您可以做的是更改SystemUiHider，以便隐藏状态栏和操作栏，但不导航栏。它反而将导航栏变为三个淡点，请参见下面的屏幕截图。

dimmed navigation bar

必须有更好的方法来实现这一目标，但以下工作。在SystemUiHiderHoneycomb()构造函数的末尾注释这些行：

if ((mFlags & FLAG_HIDE_NAVIGATION) != 0) {
    // If the client requested hiding navigation, add relevant flags.
    mShowFlags |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
    mHideFlags |= View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
            | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
    mTestFlags = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
}

然后，活动会全屏显示用户互动，您可以在特定活动中toggle()。当然，您仍然需要对原始答案进行更改以禁用单击行为。

原始回答：

我想你必须评论这一部分：

// Set up the user interaction to manually show or hide the system UI.
contentView.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
        if (TOGGLE_ON_CLICK) {
            mSystemUiHider.toggle();
        } else {
            mSystemUiHider.show();
        }
    }
});

答案 4 :(得分：1)

在api19中我们可以使用：

getWindow().getDecorView()
    .setSystemUiVisibility(View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
                           | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);

隐藏导航栏以及状态栏

答案 5 :(得分：0)

将您的活动主题更改为没有操作栏。最好是继承动作栏Sherlock活动并删除操作栏

答案 6 :(得分：0)

虽然发布答案为时已晚，但据我所知，问题是因为我正在使用Android Studio中提供的全屏活动模板，我认为这个问题的答案是禁用当用户与UI交互时变为可见的操作栏，这可以通过禁用OnClickListener上的contentView来实现 即。

contentView.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
        if (TOGGLE_ON_CLICK) {
            mSystemUiHider.toggle();
        } else {
            mSystemUiHider.show();
        }
    }
});

即。注释掉onClick方法实现。

答案 7 :(得分：0)

只需注释

if (TOGGLE_ON_CLICK) {
                    mSystemUiHider.toggle();
                } else {
                    mSystemUiHider.show();
                }

默认状态为Off。切换发生是因为还添加了一个切换屏幕的onclick监听器。 你根本就不能添加它并删除代码片段。

最新的代码是 //设置用户交互以手动显示或隐藏系统UI。

mContentView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
           // toggle();
        }

我只是注释了toggle（）和voila

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