android.support.v7.app.ActionBar#setHomeButtonEnabled ( )源码实例Demo

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_my_workflows);

    ButterKnife.bind(this);

    setSupportActionBar(mToolbar);
    ActionBar actionbar = getSupportActionBar();

    if (actionbar != null) {
        actionbar.setHomeButtonEnabled(true);
        actionbar.setDisplayHomeAsUpEnabled(true);
        actionbar.setTitle(R.string.title_nav_my_workflows);
    }

    if (savedInstanceState == null) {
        ActivityUtils.addFragmentToActivity(getSupportFragmentManager(),
                new MyWorkflowFragment(), R.id.frame_container);
    }
}
 

@Override
protected void onStart() {
    super.onStart();

    mDrawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    mDrawerToggle = new ActionBarDrawerToggle(this, mDrawer, 0, 0);
    mDrawer.setDrawerListener(mDrawerToggle);

    final ActionBar actionBar = getSupportActionBar();
    if (actionBar != null) {
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setDisplayShowHomeEnabled(true);
        actionBar.setDisplayShowTitleEnabled(true);
        actionBar.setDisplayUseLogoEnabled(false);
        actionBar.setHomeButtonEnabled(true);
    }
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

    View rootView = inflater.inflate(R.layout.dialog_book_info_read_more, container, false);

    Bundle args = getArguments();
    String title = args.getString(KEY_DIALOG_FRAGMENT_TITLE, getResources().getString(R.string.authors));
    Toolbar toolbar = rootView.findViewById(R.id.toolbar);
    toolbar.setTitle(title);

    ((AppCompatActivity) getActivity()).setSupportActionBar(toolbar);

    ActionBar actionBar = ((AppCompatActivity) getActivity()).getSupportActionBar();
    if (actionBar != null) {
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setHomeButtonEnabled(true);

        Drawable drawable = getResources()
                .getDrawable(R.drawable.ic_close_white_24dp);
        drawable = DrawableCompat.wrap(drawable);
        DrawableCompat.setTint(drawable, Color.WHITE);
        actionBar.setHomeAsUpIndicator(drawable);
    }


    String body = args.getString(KEY_DIALOG_BODY, getResources().getString(R.string.authors));
    TextView bodyTextView = rootView.findViewById(R.id.more_dialog_body_text_view);
    bodyTextView.setText(body);
    setHasOptionsMenu(true);
    return rootView;
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_note_edit_actvity);
    Toolbar toolbar = (Toolbar) findViewById(R.id.my_toolbar);
    setSupportActionBar(toolbar);
    ActionBar actionBar = getSupportActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);
    actionBar.setHomeButtonEnabled(true);
    actionBar.setTitle("New Note");
    toolbar.setTitleTextColor(Color.WHITE);
    etNotes = (EditText) findViewById(R.id.etNoteEdit);
}
 

private void initCustomActionBar() {
    ActionBar actionBar = getSupportActionBar();
    actionBar.setHomeButtonEnabled(false);
    actionBar.setDisplayShowHomeEnabled(false);
    actionBar.setDisplayShowTitleEnabled(false);
    actionBar.setDisplayHomeAsUpEnabled(false);
    actionBar.setDisplayShowCustomEnabled(true);
    actionBar.setCustomView(R.layout.material_menu_action_bar);
    materialMenu = (MaterialMenuView) actionBar.getCustomView().findViewById(R.id.action_bar_menu);
    materialMenu.setOnClickListener(this);
}
 

/**
 * 显示Toolbar 默认标题
 */
public static void setToolbar(AppCompatActivity context, Toolbar toolbar, Boolean WithHomeButton) {
    context.setSupportActionBar(toolbar);
    if (WithHomeButton) {
        ActionBar actionBar = context.getSupportActionBar();
        if (actionBar != null) {
            actionBar.setHomeButtonEnabled(true);
            actionBar.setDisplayHomeAsUpEnabled(true);
        }
    }
}
 

public void setActionBarUpIndicator(Drawable drawable) {
    ActionBarDrawerToggle.Delegate delegate = getDrawerToggleDelegate();
    if (delegate != null) {
        delegate.setActionBarUpIndicator(drawable, 0);
    }
    ActionBar actionBar = getSupportActionBar();
    if (actionBar != null) {
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setHomeButtonEnabled(true);
    }
}
 

private void initToolbar() {
    setSupportActionBar(binding.searchToolbar.getToolbar());

    ActionBar bar = getSupportActionBar();
    if (bar != null) {
        bar.setDisplayHomeAsUpEnabled(true);
        bar.setDisplayShowHomeEnabled(true);
        bar.setDisplayShowTitleEnabled(false);
        bar.setHomeButtonEnabled(true);
    }

    binding.searchToolbar.addTextChangedListener(this);
    binding.searchToolbar.setOnEditorActionListener(this);
}
 

private void setupToolbar() {
    mToolbar = ButterKnife.findById(this, R.id.toolbar);
    if(mToolbar == null) {
        LOGD(this, "Didn't find a toolbar");
        return;
    }
    setSupportActionBar(mToolbar);
    ActionBar actionBar = getSupportActionBar();
    if(actionBar == null) return;
    actionBar.setDisplayHomeAsUpEnabled(true);
    actionBar.setHomeButtonEnabled(true);
}
 

@Override
public void onResume() {
    super.onResume();

    ActionBar actionBar = ((ProgressLayoutActivity) getActivity()).getSupportActionBar();

    actionBar.setDisplayHomeAsUpEnabled(false);
    actionBar.setHomeButtonEnabled(false);
}
 

private void initToolbar(String title) {
    setSupportActionBar(binding.toolbar);

    ActionBar bar = getSupportActionBar();
    if (bar != null) {
        bar.setDisplayHomeAsUpEnabled(true);
        bar.setDisplayShowHomeEnabled(true);
        bar.setDisplayShowTitleEnabled(false);
        bar.setHomeButtonEnabled(true);
    }

    binding.toolbar.setTitle(title);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    currentThemeIsDark = App.get().isDarkTheme();
    setTheme(currentThemeIsDark ? R.style.PreferenceAppThemeDark : R.style.PreferenceAppThemeLight);
    setContentView(R.layout.activity_settings);

    ActionBar actionBar = getSupportActionBar();
    if (actionBar != null) {
        actionBar.setHomeButtonEnabled(true);
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setDisplayShowTitleEnabled(true);
        actionBar.setTitle(R.string.activity_title_settings);
    }
    PreferenceFragmentCompat fragment = null;
    Intent intent = getIntent();
    if (intent != null) {
        String settingsArgument = intent.getStringExtra(ARG_NEW_PREFERENCE_SCREEN);
        if (settingsArgument != null) {
            if (settingsArgument.equals(NotificationsSettingsFragment.PREFERENCE_SCREEN_NAME)) {
                fragment = new NotificationsSettingsFragment();
            }
        }
    }
    if (fragment == null) {
        fragment = new SettingsFragment();
    }

    getSupportFragmentManager().beginTransaction().replace(R.id.fragment_content, fragment).commit();

    /*View view = findViewById(R.id.fragment_content);
    view.setBackgroundColor(Color.TRANSPARENT);
    view.setBackgroundColor(Color.rgb(4, 26, 55));*/

    App.get().addPreferenceChangeObserver(appThemeChangeObserver);
}
 

private void setupBasicUI() {
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    ActionBar actionBar = getSupportActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);
    actionBar.setHomeButtonEnabled(true);
    actionBar.setDisplayShowTitleEnabled(false);

    DrawerLayout drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, toolbar, R.string.drawer_open, R.string.drawer_closed);
    drawerLayout.setDrawerListener(drawerToggle);
    drawerToggle.syncState();
}
 

private void initToolbar(SearchGroup searchGroup) {
    setSupportActionBar(binding.toolbar);

    ActionBar bar = getSupportActionBar();
    if (bar != null) {
        bar.setDisplayHomeAsUpEnabled(true);
        bar.setDisplayShowHomeEnabled(true);
        bar.setDisplayShowTitleEnabled(false);
        bar.setHomeButtonEnabled(true);
    }

    binding.toolbar.setTitle(searchGroup.getName());
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // Set theme
    prefs = PreferenceManager.getDefaultSharedPreferences(this);
    String theme = SharedPrefsManager.getTheme(prefs);
    switch (theme) {
        case SharedPrefsManager.THEME_SEPIA:
            setTheme(R.style.AppTheme_Sepia);
            break;
        case SharedPrefsManager.THEME_DARK:
            setTheme(R.style.AppTheme_Dark);
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
                getWindow().setStatusBarColor(getResources().getColor(R.color.grey_900));
            }
            break;
        case SharedPrefsManager.THEME_AMOLED_BLACK:
            setTheme(R.style.AppTheme_AMOLEDBlack);
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
                getWindow().setStatusBarColor(getResources().getColor(android.R.color.black));
            }
            break;
    }
    setContentView(R.layout.activity_comments);
    Firebase.setAndroidContext(this);
    appbar = (AppBarLayout) findViewById(R.id.appbar);
    appbar.addOnOffsetChangedListener(this);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    final ActionBar actionBar = getSupportActionBar();
    if (actionBar != null) {
        actionBar.setTitle("Comments");
        actionBar.setHomeButtonEnabled(true);
        actionBar.setDisplayHomeAsUpEnabled(true);
    }

    mWindow = new PopupFloatingWindow(this, toolbar);
    mFab = (FloatingScrollDownButton) findViewById(R.id.fab);
    coordinatorLayout = (CoordinatorLayout) findViewById(R.id.coordinator_layout);
    layoutReply = (LinearLayout) findViewById(R.id.layout_reply);
    btnReplySend = (FloatingActionButton) findViewById(R.id.btn_reply_send);
    etReply = (EditText) findViewById(R.id.et_reply);

    Intent intent = getIntent();
    CommentsFragment commentsFragment = null;
    Parcelable postParcel = intent.getParcelableExtra(Constants.KEY_POST_PARCEL);
    if (postParcel != null) {
        commentsFragment = CommentsFragment.newInstance(postParcel,
            intent.getBooleanExtra(Constants.KEY_IS_BOOKMARKED, false));
        Post post = Parcels.unwrap(postParcel);
        //FIXME how the url could be null?!
        mUrl = (post.getUrl() != null ? post.getUrl() : "https://news.ycombinator.com/");
        mPostId = post.getId();
    } else {
        final Uri data = intent.getData();
        if (data != null && data.getQueryParameter("id") != null) {
            long storyId = Long.parseLong(data.getQueryParameter("id"));
            commentsFragment = CommentsFragment.newInstance(storyId);
            mPostId = storyId;
        }
    }

    if (savedInstanceState == null) {
        if (commentsFragment != null) {
            getFragmentManager().beginTransaction()
                .add(R.id.container, commentsFragment, Constants.FRAGMENT_TAG_COMMENT)
                .commit();
        }
    }

    mDataManager = new DataManager();
    mCompositeSubscription = new CompositeSubscription();
}
 

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

    mToolbar = (Toolbar) findViewById(R.id.toolbar);

    setSupportActionBar(mToolbar);
    ViewHelper.setScaleY(mToolbar, 0);
    ActionBar ab = getSupportActionBar();
    if (ab != null) {
        ab.setHomeButtonEnabled(true);
        ab.setDisplayHomeAsUpEnabled(true);
        ab.setTitle("");
    }

    mToolbarColor = getResources().getColor(R.color.primary);
    mToolbar.setBackgroundColor(Color.TRANSPARENT);
    mToolbar.setTitle("");

    mFlexibleSpaceImageHeight = getResources().getDimensionPixelSize(R.dimen.flexible_space_image_height);
    mIntersectionHeight = getResources().getDimensionPixelSize(R.dimen.intersection_height);
    mHeaderBarHeight = getResources().getDimensionPixelSize(R.dimen.header_bar_height);
    mSlidingSlop = getResources().getDimensionPixelSize(R.dimen.sliding_slop);
    mActionBarSize = getActionBarSize();
    mColorPrimary = getResources().getColor(R.color.primary);
    mSlidingHeaderBlueSize = getResources().getDimensionPixelSize(R.dimen.sliding_overlay_blur_size);

    mHeader = findViewById(R.id.header);
    mHeaderBar = findViewById(R.id.header_bar);
    mHeaderOverlay = findViewById(R.id.header_overlay);
    mHeaderFlexibleSpace = findViewById(R.id.header_flexible_space);
    mImageView = findViewById(R.id.image);
    mImageView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            slideOnClick();
        }
    });
    mScrollable = createScrollable();

    mFab = findViewById(R.id.fab);
    mFab.setOnClickListener(fabClickListener);
    mFabMargin = getResources().getDimensionPixelSize(R.dimen.margin_standard);

    mInterceptionLayout = (TouchInterceptionFrameLayout) findViewById(R.id.scroll_wrapper);
    mInterceptionLayout.setScrollInterceptionListener(mInterceptionListener);
    mTitle = (TextView) findViewById(R.id.title);
    mTitle.setText(getTitle());
    mToolbarTitle = (TextView) findViewById(R.id.toolbar_title);
    mToolbarTitle.setText(mTitle.getText());
    ViewHelper.setAlpha(mToolbarTitle, 0);
    ViewHelper.setTranslationY(mTitle, (mHeaderBarHeight - mActionBarSize) / 2);

    if (savedInstanceState == null) {
        mSlidingState = SLIDING_STATE_BOTTOM;
    }

    ScrollUtils.addOnGlobalLayoutListener(mInterceptionLayout, new Runnable() {
        @Override
        public void run() {
            if (mFab != null) {
                ViewHelper.setTranslationX(mFab, mTitle.getWidth() - mFabMargin - mFab.getWidth());
                ViewHelper.setTranslationY(mFab, ViewHelper.getX(mTitle) - (mFab.getHeight() / 2));
            }
            changeSlidingState(mSlidingState, false);
        }
    });
}
 

private void initViews() {
        ActionBar actionBar = getSupportActionBar();
        actionBar.setDisplayHomeAsUpEnabled(true);
        // actionBar.setHomeAsUpIndicator(R.drawable.ic_drawer);
        actionBar.setHomeButtonEnabled(true);
//        actionBar.setDisplayShowHomeEnabled(false);
        mPlanetTitles = getResources().getStringArray(R.array.items_name);
        mTitle = mDrawerTitle = getTitle();

        mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
                R.string.drawer_open, R.string.drawer_close) {

            /** Called when a drawer has settled in a completely closed state. */
            public void onDrawerClosed(View view) {
                super.onDrawerClosed(view);
                getSupportActionBar().setTitle(mTitle);
                invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
            }

            /** Called when a drawer has settled in a completely open state. */
            public void onDrawerOpened(View drawerView) {
                super.onDrawerOpened(drawerView);
                getSupportActionBar().setTitle(mDrawerTitle);
                invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
            }
        };

        // Set the drawer toggle as the DrawerListener
        Logs.d("mDrawerLayout  " + (mDrawerLayout != null)
                + "    " + "mDrawerToggle  " + (mDrawerToggle != null));
        mDrawerLayout.setDrawerListener(mDrawerToggle);
        //mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, Gravity.CLIP_VERTICAL);
        //mDrawerLayout.setScrimColor(getResources().getColor(R.color.babyBlueColor));
//        mDrawerList.setAdapter(new ArrayAdapter<String>(this,
//                R.layout.left_menu, mPlanetTitles));
        //mDrawerList.setAdapter(new SimpleAdapter(this,null,R.layout.left_menu_layout,null,null));
        mDrawerList.setAdapter(new ArrayAdapter<String>(this,
                R.layout.left_menu_layout, mPlanetTitles));
        // Set the list's click listener
        mDrawerList.setOnItemClickListener(new DrawerItemClickListener());

        // getSupportParentActivityIntent();
    }
 

private void initViews() {
        ActionBar actionBar = getSupportActionBar();
        actionBar.setDisplayHomeAsUpEnabled(true);
        // actionBar.setHomeAsUpIndicator(R.drawable.ic_drawer);
        actionBar.setHomeButtonEnabled(true);
//        actionBar.setDisplayShowHomeEnabled(false);
        mPlanetTitles = getResources().getStringArray(R.array.items_name);
        mTitle = mDrawerTitle = getTitle();

        mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
                R.string.drawer_open, R.string.drawer_close) {

            /** Called when a drawer has settled in a completely closed state. */
            public void onDrawerClosed(View view) {
                super.onDrawerClosed(view);
                getSupportActionBar().setTitle(mTitle);
                invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
            }

            /** Called when a drawer has settled in a completely open state. */
            public void onDrawerOpened(View drawerView) {
                super.onDrawerOpened(drawerView);
                getSupportActionBar().setTitle(mDrawerTitle);
                invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
            }
        };

        // Set the drawer toggle as the DrawerListener
        Logs.d("mDrawerLayout  " + (mDrawerLayout != null)
                + "    " + "mDrawerToggle  " + (mDrawerToggle != null));
        mDrawerLayout.setDrawerListener(mDrawerToggle);
        //mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, Gravity.CLIP_VERTICAL);
        //mDrawerLayout.setScrimColor(getResources().getColor(R.color.babyBlueColor));
//        mDrawerList.setAdapter(new ArrayAdapter<String>(this,
//                R.layout.left_menu, mPlanetTitles));
        //mDrawerList.setAdapter(new SimpleAdapter(this,null,R.layout.left_menu_layout,null,null));
        mDrawerList.setAdapter(new ArrayAdapter<String>(this,
                R.layout.left_menu_layout, mPlanetTitles));
        // Set the list's click listener
        mDrawerList.setOnItemClickListener(new DrawerItemClickListener());

        // getSupportParentActivityIntent();
    }
 

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    super.onCreateOptionsMenu(menu);
    ActionBar actionBar = getSupportActionBar();
    actionBar.setTitle("");
    actionBar.setDisplayHomeAsUpEnabled(true);
    actionBar.setHomeButtonEnabled(true);
    getMenuInflater().inflate(R.menu.menu_search, menu);
    // Get the SearchView and set the searchable configuration
    final MaterialSuggestionsSearchView materialSearchView =
            findViewById(R.id.material_search_view);
    materialSearchView.setOnQueryTextListener(new MaterialSearchView.OnQueryTextListener() {
        @Override
        public boolean onQueryTextSubmit(final String query) {
            materialSearchView.setSuggestions(null);
            materialSearchView.requestFocus();
            materialSearchView.post(() -> ((InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE))
                    .hideSoftInputFromWindow(materialSearchView.getWindowToken(), 0));
            materialSearchView.postDelayed(() -> {
                SearchActivity.this.searchQuery = query;
                refresh();
            }, 90);
            return true;
        }

        @Override
        public boolean onQueryTextChange(String newText) {
            return true;
        }
    });

    materialSearchView.setOnSearchViewListener(new MaterialSearchView.SearchViewListener() {
        @Override
        public void onSearchViewShown() {
        }

        @Override
        public void onSearchViewClosed() {
            onBackPressed();
        }
    });
    materialSearchView.setMenuItem(menu.findItem(R.id.search_view));
    materialSearchView.setHint(getResources().getString(R.string.search_hint));
    materialSearchView.showSearch();
    materialSearchView.setQuery(this.searchQuery, false);
    return true;
}
 

/**
 * {@inheritDoc}
 */
@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);

    mFragmentContainerView = getActivity().findViewById(mDrawerConfig.fragmentContainerId);
    View view = getActivity().findViewById(mDrawerConfig.drawerLayoutViewId);
    if (view != null && view instanceof DrawerLayout) {
        mDrawerLayout = (DrawerLayout)view;
    }

    ActionBar actionBar = getActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);
    actionBar.setHomeButtonEnabled(true);

    if (mDrawerLayout != null) {

        // set a custom shadow that overlays the main content when the drawer opens
        if (mDrawerConfig.drawerShadowResourceId != 0)
            mDrawerLayout.setDrawerShadow(mDrawerConfig.drawerShadowResourceId, GravityCompat.START);

        createActionBarDrawerToggle();

        // If the user hasn't 'learned' about the drawer, open it to introduce them to the drawer,
        // per the navigation drawer design guidelines.
        if (!mUserLearnedDrawer && !mFromSavedInstanceState) {
            mDrawerLayout.openDrawer(mFragmentContainerView);
        }

        // Defer code dependent on restoration of previous instance state.
        mDrawerLayout.post(new Runnable() {
            @Override
            public void run() {
                mDrawerToggle.syncState();
            }
        });

        mDrawerLayout.setDrawerListener(mDrawerToggle);
    }

    initUpIcon();

}