Example usage for android.app ActionBar DISPLAY_HOME_AS

Introduction

In this page you can find the example usage for android.app ActionBar DISPLAY_HOME_AS_UP.

Prototype

int DISPLAY_HOME_AS_UP

To view the source code for android.app ActionBar DISPLAY_HOME_AS_UP.

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Document

Display the 'home' element such that it appears as an 'up' affordance.

Usage

From source file:com.android.contacts.activities.ActionBarAdapter.java

private void updateDisplayOptionsInner() {
    // All the flags we may change in this method.
    final int MASK = ActionBar.DISPLAY_SHOW_TITLE | ActionBar.DISPLAY_SHOW_HOME | ActionBar.DISPLAY_HOME_AS_UP;

    // The current flags set to the action bar.  (only the ones that we may change here)
    final int current = mActionBar.getDisplayOptions() & MASK;

    final boolean isSearchOrSelectionMode = mSearchMode || mSelectionMode;

    // Build the new flags...
    int newFlags = 0;
    if (mShowHomeIcon && !isSearchOrSelectionMode) {
        newFlags |= ActionBar.DISPLAY_SHOW_HOME;
    }/* www .  ja v  a 2 s .co  m*/
    if (mSearchMode && !mSelectionMode) {
        // The search container is placed inside the toolbar. So we need to disable the
        // Toolbar's content inset in order to allow the search container to be the width of
        // the window.
        mToolbar.setContentInsetsRelative(0, mToolbar.getContentInsetEnd());
    }
    if (!isSearchOrSelectionMode) {
        newFlags |= ActionBar.DISPLAY_SHOW_TITLE;
        mToolbar.setContentInsetsRelative(mMaxToolbarContentInsetStart, mToolbar.getContentInsetEnd());
    }

    if (mSelectionMode) {
        // Minimize the horizontal width of the Toolbar since the selection container is placed
        // behind the toolbar and its left hand side needs to be clickable.
        FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) mToolbar.getLayoutParams();
        params.width = LayoutParams.WRAP_CONTENT;
        params.gravity = Gravity.END;
        mToolbar.setLayoutParams(params);
    } else {
        FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) mToolbar.getLayoutParams();
        params.width = LayoutParams.MATCH_PARENT;
        params.gravity = Gravity.END;
        mToolbar.setLayoutParams(params);
    }

    if (current != newFlags) {
        // Pass the mask here to preserve other flags that we're not interested here.
        mActionBar.setDisplayOptions(newFlags, MASK);
    }
}

From source file:android.support.v7.internal.widget.ToolbarWidgetWrapper.java

@Override
public void setDisplayOptions(int newOpts) {
    final int oldOpts = mDisplayOpts;
    final int changed = oldOpts ^ newOpts;
    mDisplayOpts = newOpts;//from ww w .j a  v  a2s  . c  o  m
    if (changed != 0) {
        if ((changed & ActionBar.DISPLAY_HOME_AS_UP) != 0) {
            if ((newOpts & ActionBar.DISPLAY_HOME_AS_UP) != 0) {
                updateNavigationIcon();
                updateHomeAccessibility();
            } else {
                mToolbar.setNavigationIcon(null);
            }
        }

        if ((changed & AFFECTS_LOGO_MASK) != 0) {
            updateToolbarLogo();
        }

        if ((changed & ActionBar.DISPLAY_SHOW_TITLE) != 0) {
            if ((newOpts & ActionBar.DISPLAY_SHOW_TITLE) != 0) {
                mToolbar.setTitle(mTitle);
                mToolbar.setSubtitle(mSubtitle);
            } else {
                mToolbar.setTitle(null);
                mToolbar.setSubtitle(null);
            }
        }

        if ((changed & ActionBar.DISPLAY_SHOW_CUSTOM) != 0 && mCustomView != null) {
            if ((newOpts & ActionBar.DISPLAY_SHOW_CUSTOM) != 0) {
                mToolbar.addView(mCustomView);
            } else {
                mToolbar.removeView(mCustomView);
            }
        }
    }
}

From source file:com.mediatek.galleryfeature.stereo.segment.background.StereoBackgroundActivity.java

private void setActionBarDisplayOptions(ActionBar actionBar, boolean displayHomeAsUp, boolean showTitle) {
    if (actionBar == null) {
        return;// w  w  w  . j av  a 2s. c  om
    }
    int options = 0;
    if (displayHomeAsUp) {
        options |= ActionBar.DISPLAY_HOME_AS_UP;
    }
    if (showTitle) {
        options |= ActionBar.DISPLAY_SHOW_TITLE;
    }

    actionBar.setDisplayOptions(options, ActionBar.DISPLAY_HOME_AS_UP | ActionBar.DISPLAY_SHOW_TITLE);
    actionBar.setHomeButtonEnabled(displayHomeAsUp);
    actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
    actionBar.setTitle(R.string.m_save);
}

From source file:android.support.v7.widget.ToolbarWidgetWrapper.java

private void updateNavigationIcon() {
    if ((mDisplayOpts & ActionBar.DISPLAY_HOME_AS_UP) != 0) {
        mToolbar.setNavigationIcon(mNavIcon != null ? mNavIcon : mDefaultNavigationIcon);
    } else {//from w ww . j av a 2s  .  co  m
        mToolbar.setNavigationIcon(null);
    }
}

From source file:com.android.settings.HWSettings.java

protected void setActionBarStyle() {
    ActionBar actionBar = getActionBar();
    if (actionBar == null) {
        return;//www  .  ja v  a2  s  .co m
    }
    if (this.toString().contains("SubSettings")) {
        actionBar.setDisplayOptions(ActionBar.DISPLAY_HOME_AS_UP, ActionBar.DISPLAY_HOME_AS_UP);
        actionBar.setDisplayHomeAsUpEnabled(true);
    } else {
        actionBar.setDisplayOptions(ActionBar.DISPLAY_HOME_AS_UP ^ ActionBar.DISPLAY_HOME_AS_UP,
                ActionBar.DISPLAY_HOME_AS_UP);
        actionBar.setDisplayHomeAsUpEnabled(false);
    }
}

From source file:android.support.v7.internal.widget.ToolbarWidgetWrapper.java

private void updateHomeAccessibility() {
    if ((mDisplayOpts & ActionBar.DISPLAY_HOME_AS_UP) != 0) {
        if (TextUtils.isEmpty(mHomeDescription)) {
            mToolbar.setNavigationContentDescription(mDefaultNavigationContentDescription);
        } else {//from w  ww  .  ja  v a  2 s  .  c o  m
            mToolbar.setNavigationContentDescription(mHomeDescription);
        }
    }
}

From source file:android.support.v7.internal.widget.ToolbarWidgetWrapper.java

private void updateNavigationIcon() {
    if ((mDisplayOpts & ActionBar.DISPLAY_HOME_AS_UP) != 0) {
        mToolbar.setNavigationIcon(mNavIcon != null ? mNavIcon : mDefaultNavigationIcon);
    }/*  ww  w .  j  a v a  2  s.c om*/
}

From source file:com.btmura.android.reddit.app.AbstractBrowserActivity.java

private void handleHome(MenuItem item) {
    FragmentManager fm = getSupportFragmentManager();
    if (fm.getBackStackEntryCount() > 0) {
        fm.popBackStack();//from   w  w  w . jav a  2s  . com
    } else if ((bar.getDisplayOptions() & ActionBar.DISPLAY_HOME_AS_UP) != 0) {
        finish();
    }
}

From source file:com.brandroidtools.filemanager.activities.NavigationActivity.java

/**
 * {@inheritDoc}//from   www .  j a v  a  2 s .  c  o  m
 */
@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    //######################
    // Home/Up button
    //######################
    case android.R.id.home:
        if ((getActionBar().getDisplayOptions()
                & ActionBar.DISPLAY_HOME_AS_UP) == ActionBar.DISPLAY_HOME_AS_UP) {
            checkBackAction();
        }
        return true;

    //######################
    // Action Buttons
    //######################
    case R.id.mnu_bookmarks:
        openBookmarks();
        break;

    case R.id.mnu_history:
        openHistory();
        break;

    case R.id.mnu_search:
        openSearch();
        break;

    //- Create new object
    case R.id.mnu_actions_new_directory:
    case R.id.mnu_actions_new_file:
        showInputNameDialog(item);
        break;

    // Paste selection
    case R.id.mnu_actions_paste_selection:
        if (true) {
            CopyMoveActionPolicy.triggerCopyMoveFileSystemObjects(NavigationActivity.this,
                    this.onRequestFilesMarkedForPaste(), this.onRequestPasteOperationType(),
                    getCurrentNavigationFragment(), getCurrentNavigationFragment(), NavigationActivity.this);
        }
        break;

    case R.id.mnu_actions_properties_current_folder:
        openPropertiesDialog(getCurrentNavigationFragment().getCurrentDir());
        break;

    case R.id.mnu_settings:
        //Settings
        Intent settings = new Intent(NavigationActivity.this, SettingsPreferences.class);
        startActivity(settings);
        break;

    default:
        return super.onOptionsItemSelected(item);
    }
    return super.onOptionsItemSelected(item);
}

From source file:android.app.Activity.java

/**
 * Default implementation of//from  w w  w .ja va2s.c  om
 * {@link android.view.Window.Callback#onMenuItemSelected}
 * for activities.  This calls through to the new
 * {@link #onOptionsItemSelected} method for the
 * {@link android.view.Window#FEATURE_OPTIONS_PANEL}
 * panel, so that subclasses of
 * Activity don't need to deal with feature codes.
 */
public boolean onMenuItemSelected(int featureId, MenuItem item) {
    CharSequence titleCondensed = item.getTitleCondensed();

    switch (featureId) {
    case Window.FEATURE_OPTIONS_PANEL:
        // Put event logging here so it gets called even if subclass
        // doesn't call through to superclass's implmeentation of each
        // of these methods below
        if (titleCondensed != null) {
            EventLog.writeEvent(50000, 0, titleCondensed.toString());
        }
        if (onOptionsItemSelected(item)) {
            return true;
        }
        if (mFragments.dispatchOptionsItemSelected(item)) {
            return true;
        }
        if (item.getItemId() == android.R.id.home && mActionBar != null
                && (mActionBar.getDisplayOptions() & ActionBar.DISPLAY_HOME_AS_UP) != 0) {
            if (mParent == null) {
                return onNavigateUp();
            } else {
                return mParent.onNavigateUpFromChild(this);
            }
        }
        return false;

    case Window.FEATURE_CONTEXT_MENU:
        if (titleCondensed != null) {
            EventLog.writeEvent(50000, 1, titleCondensed.toString());
        }
        if (onContextItemSelected(item)) {
            return true;
        }
        return mFragments.dispatchContextItemSelected(item);

    default:
        return false;
    }
}

Example usage for android.app ActionBar DISPLAY_HOME_AS_UP

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Prototype

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Usage