我实施了NavigationActivity，为NavigationDrawer Activities添加了public abstract class NavigationActivity extends ActionBarActivity {
private Toolbar toolbar = null;
private DrawerLayout drawerLayout = null;
private ActionBarDrawerToggle drawerToggle = null;;
private ListView listView = null;
private CharSequence drawerTitle = null;
private CharSequence title = null;
private NavigationDrawerConfiguration navigationConfig = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.navigationConfig = this.getNavigationDrawerConfiguration();
this.setContentView(this.navigationConfig.getMainLayout());
this.toolbar = (Toolbar) this.findViewById(R.id.app_bar);
this.drawerLayout = (DrawerLayout) this.findViewById(navigationConfig.getDrawerLayoutId());
this.listView = (ListView) this.findViewById(navigationConfig.getLeftDrawerId());
this.listView.setAdapter(navigationConfig.getBaseAdapter());
this.listView.setOnItemClickListener(new DrawerItemClickListener());
this.drawerTitle = this.getTitle();
this.title = this.getTitle();
this.setSupportActionBar(this.toolbar);
this.getSupportActionBar().setDisplayHomeAsUpEnabled(true);
this.getSupportActionBar().setHomeButtonEnabled(true);
this.drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, this.toolbar, this.navigationConfig.getDrawerOpenDesc(), this.navigationConfig.getDrawerCloseDesc()) {
@Override
public void onDrawerClosed(View view) {
getSupportActionBar().setTitle(title);
invalidateOptionsMenu();
}
@Override
public void onDrawerOpened(View drawerView) {
getSupportActionBar().setTitle(drawerTitle);
invalidateOptionsMenu();
}
};
this.drawerLayout.setDrawerListener(this.drawerToggle);
}
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
this.drawerToggle.syncState();
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
this.drawerToggle.onConfigurationChanged(newConfig);
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
if (this.navigationConfig.getActionMenuItemsToHideWhenDrawerOpen() != null) {
boolean drawerOpen = this.drawerLayout.isDrawerOpen(listView);
for (int item : this.navigationConfig.getActionMenuItemsToHideWhenDrawerOpen()) {
menu.findItem(item).setVisible(!drawerOpen);
}
}
return super.onPrepareOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (this.drawerToggle.onOptionsItemSelected(item)) {
return true;
} else {
return false;
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_MENU) {
if (this.drawerLayout.isDrawerOpen(this.listView)) {
this.drawerLayout.closeDrawer(this.listView);
} else {
this.drawerLayout.openDrawer(this.listView);
}
return true;
}
return super.onKeyDown(keyCode, event);
}
protected NavigationDrawerConfiguration getNavigationDrawerConfiguration() {
NavigationDrawerItem[] menu = new NavigationDrawerItem[] {
// NavigationMenuSection.create(100, "Demos"),
NavigationMenuItem.create(100, this.getResources().getString(R.string.title_activity_measurement), "ic_measure", false, this),
NavigationMenuItem.create(200, this.getResources().getString(R.string.title_activity_measuredata_list), "ic_list", false, this),
// NavigationMenuSection.create(200, "General"),
NavigationMenuItem.create(300, this.getResources().getString(R.string.title_activity_diagrams), "ic_diagrams", false, this),
NavigationMenuItem.create(400, this.getResources().getString(R.string.title_activity_calc), "ic_calculator", false, this),
NavigationMenuItem.create(500, this.getResources().getString(R.string.title_activity_recipe), "ic_scanner", false, this),
NavigationMenuItem.create(600, this.getResources().getString(R.string.title_activity_profile), "ic_profile", false, this),
NavigationMenuItem.create(700, this.getResources().getString(R.string.title_activity_follower), "ic_follower", false, this),
NavigationMenuItem.create(800, this.getResources().getString(R.string.title_activity_settings), "ic_settings", false, this)
};
NavigationDrawerConfiguration navigationDrawerConfiguration = new NavigationDrawerConfiguration();
navigationDrawerConfiguration.setMainLayout(R.layout.activity_menu_slide);
navigationDrawerConfiguration.setDrawerLayoutId(R.id.menu_slide_layout);
navigationDrawerConfiguration.setLeftDrawerId(R.id.menu_slide_list);
navigationDrawerConfiguration.setNavigationItems(menu);
navigationDrawerConfiguration.setDrawerOpenDesc(R.string.open_navigation_drawer);
navigationDrawerConfiguration.setDrawerCloseDesc(R.string.close_navigation_drawer);
navigationDrawerConfiguration.setBaseAdapter(new NavigationDrawerAdapter(this, R.layout.activity_menu_slide_item_row, menu));
return navigationDrawerConfiguration;
}
public void selectItem(int position) {
NavigationDrawerItem selectedItem = this.navigationConfig.getNavigationItems()[position];
this.onNavigationItemSelected(selectedItem.getId());
this.listView.setItemChecked(position, true);
if (selectedItem.updateActionBarTitle()) {
this.setTitle(selectedItem.getLabel());
}
if (this.drawerLayout.isDrawerOpen(this.listView)) {
this.drawerLayout.closeDrawer(this.listView);
}
}
protected void onNavigationItemSelected(int id) {
Intent intent = null;
switch ((int) id) {
case 100:
intent = new Intent(this, MeasureDataActivity.class);
break;
case 200:
intent = new Intent(this, MeasureDataListActivity.class);
break;
case 300:
intent = new Intent(this, DiagramsActivity.class);
break;
case 400:
intent = new Intent(this, CalcActivity.class);
break;
case 500:
intent = new Intent(this, RecipeActivity.class);
break;
case 600:
intent = new Intent(this, ProfileActivity.class);
break;
case 700:
intent = new Intent(this, FollowerActivity.class);
break;
case 800:
intent = new Intent(this, SettingsActivity.class);
break;
}
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
this.startActivity(intent);
}
protected int getDrawerIcon() {
return R.drawable.ic_navigation_drawer;
}
protected DrawerLayout getDrawerLayout() {
return this.drawerLayout;
}
protected ActionBarDrawerToggle getDrawerToggle() {
return this.drawerToggle;
}
@Override
public void setTitle(CharSequence title) {
this.title = title;
this.getSupportActionBar().setTitle(title);
}
private class DrawerItemClickListener implements ListView.OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
selectItem(position);
}
}
}
：
Toolbar正如您所见，我使用了新的Fragment。以下代码显示了使用SlidingTabLayout的<{1}}：
public class DiagramsFragment extends Fragment {
private SlidingTabLayout slidingTabLayout;
private ViewPager viewPager;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
return inflater.inflate(R.layout.activity_diagrams, container, false);
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
this.viewPager = (ViewPager) view.findViewById(R.id.diagrams_pager);
this.viewPager.setId(0x1000);
this.viewPager.setAdapter(new DiagramsPagerAdapter(this.getFragmentManager()));
this.slidingTabLayout = (SlidingTabLayout) view.findViewById(R.id.diagrams_tab_layout);
this.slidingTabLayout.setViewPager(this.viewPager);
}
}
public class SlidingTabLayout extends HorizontalScrollView {
private static final int TITLE_OFFSET_DIPS = 24;
private static final int TAB_VIEW_PADDING_DIPS = 16;
private static final int TAB_VIEW_TEXT_SIZE_SP = 12;
public interface TabColorizer {
int getIndicatorColor(int position);
int getDividerColor(int position);
}
private int titleOffset;
private int tabViewLayoutId;
private int tabViewTextViewId;
private ViewPager viewPager;
private ViewPager.OnPageChangeListener pageChangeListener;
private final SlidingTabStrip tabStrip;
public SlidingTabLayout(Context context) {
this(context, null);
}
public SlidingTabLayout(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public SlidingTabLayout(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
this.setHorizontalScrollBarEnabled(false);
this.setFillViewport(true);
this.titleOffset = (int) (TITLE_OFFSET_DIPS * getResources().getDisplayMetrics().density);
this.tabStrip = new SlidingTabStrip(context);
this.addView(this.tabStrip, LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
}
public void setCustomTabColorizer(TabColorizer tabColorizer) {
this.tabStrip.setCustomTabColorizer(tabColorizer);
}
public void setSelectedIndicatorColors(int... colors) {
this.tabStrip.setSelectedIndicatorColors(colors);
}
public void setDividerColors(int... colors) {
this.tabStrip.setDividerColors(colors);
}
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
this.pageChangeListener = listener;
}
public void setCustomTabView(int layoutResId, int textViewId) {
this.tabViewLayoutId = layoutResId;
this.tabViewTextViewId = textViewId;
}
public void setViewPager(ViewPager viewPager) {
this.tabStrip.removeAllViews();
this.viewPager = viewPager;
if (this.viewPager != null) {
this.viewPager.setOnPageChangeListener(new InternalViewPagerListener());
this.populateTabStrip();
}
}
protected TextView createDefaultTabView(Context context) {
TextView textView = new TextView(context);
textView.setGravity(Gravity.CENTER);
textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, TAB_VIEW_TEXT_SIZE_SP);
textView.setTypeface(Typeface.DEFAULT_BOLD);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
TypedValue outValue = new TypedValue();
this.getContext().getTheme().resolveAttribute(android.R.attr.selectableItemBackground, outValue, true);
textView.setBackgroundResource(outValue.resourceId);
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
textView.setAllCaps(true);
}
int padding = (int) (TAB_VIEW_PADDING_DIPS * getResources().getDisplayMetrics().density);
textView.setPadding(padding, padding, padding, padding);
return textView;
}
private void populateTabStrip() {
final PagerAdapter adapter = this.viewPager.getAdapter();
final View.OnClickListener tabClickListener = new TabClickListener();
for (int i = 0; i < adapter.getCount(); i++) {
View tabView = null;
TextView tabTitleView = null;
if (this.tabViewLayoutId != 0) {
tabView = LayoutInflater.from(this.getContext()).inflate(this.tabViewLayoutId, this.tabStrip, false);
tabTitleView = (TextView) tabView.findViewById(this.tabViewTextViewId);
}
if (tabView == null) {
tabView = createDefaultTabView(this.getContext());
}
if (tabTitleView == null && TextView.class.isInstance(tabView)) {
tabTitleView = (TextView) tabView;
}
tabTitleView.setText(adapter.getPageTitle(i));
tabView.setOnClickListener(tabClickListener);
this.tabStrip.addView(tabView);
}
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
if (this.viewPager != null) {
this.scrollToTab(this.viewPager.getCurrentItem(), 0);
}
}
private void scrollToTab(int tabIndex, int positionOffset) {
final int tabStripChildCount = this.tabStrip.getChildCount();
if (tabStripChildCount == 0 || tabIndex < 0 || tabIndex >= tabStripChildCount) {
return;
}
View selectedChild = this.tabStrip.getChildAt(tabIndex);
if (selectedChild != null) {
int targetScrollX = selectedChild.getLeft() + positionOffset;
if (tabIndex > 0 || positionOffset > 0) {
targetScrollX -= this.titleOffset;
}
this.scrollTo(targetScrollX, 0);
}
}
private class InternalViewPagerListener implements ViewPager.OnPageChangeListener {
private int scrollState = -1;
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
int tabStripChildCount = tabStrip.getChildCount();
if ((tabStripChildCount == 0) || (position < 0) || (position >= tabStripChildCount)) {
return;
}
tabStrip.onViewPagerPageChanged(position, positionOffset);
View selectedTitle = tabStrip.getChildAt(position);
int extraOffset = (selectedTitle != null) ? (int) (positionOffset * selectedTitle.getWidth()) : 0;
scrollToTab(position, extraOffset);
if (pageChangeListener != null) {
pageChangeListener.onPageScrolled(position, positionOffset, positionOffsetPixels);
}
}
@Override
public void onPageScrollStateChanged(int state) {
this.scrollState = state;
if (pageChangeListener != null) {
pageChangeListener.onPageScrollStateChanged(state);
}
}
@Override
public void onPageSelected(int position) {
if (this.scrollState == ViewPager.SCROLL_STATE_IDLE) {
tabStrip.onViewPagerPageChanged(position, 0f);
scrollToTab(position, 0);
}
if (pageChangeListener != null) {
pageChangeListener.onPageSelected(position);
}
}
}
private class TabClickListener implements View.OnClickListener {
@Override
public void onClick(View view) {
for (int i = 0; i < tabStrip.getChildCount(); i++) {
if (view == tabStrip.getChildAt(i)) {
viewPager.setCurrentItem(i);
return;
}
}
}
}
}
创建的Tabs位于工具栏下方。如何将标签放在工具栏中？
我的问题是工具栏+标签在水平方向占用了太多的屏幕空间
方向，所以我希望它们放在工具栏中。
如何实现？