<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" tools:context="com.example.actionbartest.MainActivity" > <item android:id="@+id/action_share" android:actionProviderClass="android.widget.ShareActionProvider" android:showAsAction="ifRoom" android:title="@string/action_share" /> ...... </menu>
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main, menu);
MenuItem shareItem = menu.findItem(R.id.action_share);
ShareActionProvider provider = (ShareActionProvider) shareItem.getActionProvider();
provider.setShareIntent(getDefaultIntent());
......
return super.onCreateOptionsMenu(menu);
}
private Intent getDefaultIntent() {
Intent intent = new Intent(Intent.ACTION_SEND);
intent.setType("image/*");
return intent
public class MyActionProvider extends ActionProvider {
public MyActionProvider(Context context) {
super(context);
}
@Override
public View onCreateActionView() {
return null;
}
@Override
public void onPrepareSubMenu(SubMenu subMenu) {
subMenu.clear();
subMenu.add("sub item 1").setIcon(R.drawable.ic_launcher)
.setOnMenuItemClickListener(new OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
return true;
}
});
subMenu.add("sub item 2").setIcon(R.drawable.ic_launcher)
.setOnMenuItemClickListener(new OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
return false;
}
});
}
@Override
public boolean hasSubMenu() {
return true;
}
}
<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" tools:context="com.example.actionbartest.MainActivity" > <item android:id="@+id/action_share" android:actionProviderClass="com.example.actionbartest.MyActionProvider" android:icon="@drawable/ic_launcher" android:showAsAction="ifRoom" android:title="@string/action_share" /> ...... </menu>
public class TabListener<T extends Fragment> implements ActionBar.TabListener {
private Fragment mFragment;
private final Activity mActivity;
private final String mTag;
private final Class<T> mClass;
public TabListener(Activity activity, String tag, Class<T> clz) {
mActivity = activity;
mTag = tag;
mClass = clz;
}
public void onTabSelected(Tab tab, FragmentTransaction ft) {
if (mFragment == null) {
mFragment = Fragment.instantiate(mActivity, mClass.getName());
ft.add(android.R.id.content, mFragment, mTag);
} else {
ft.attach(mFragment);
}
}
public void onTabUnselected(Tab tab, FragmentTransaction ft) {
if (mFragment != null) {
ft.detach(mFragment);
}
}
public void onTabReselected(Tab tab, FragmentTransaction ft) {
}
}
public class ArtistFragment extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
TextView textView = new TextView(getActivity());
textView.setText("Artist Fragment");
textView.setGravity(Gravity.CENTER_HORIZONTAL);
LinearLayout layout = new LinearLayout(getActivity());
LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
layout.addView(textView, params);
return layout;
}
}
public class AlbumFragment extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
TextView textView = new TextView(getActivity());
textView.setText("Album Fragment");
textView.setGravity(Gravity.CENTER_HORIZONTAL);
LinearLayout layout = new LinearLayout(getActivity());
LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
layout.addView(textView, params);
return layout;
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setTitle("天气");
ActionBar actionBar = getActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
setOverflowShowingAlways();
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
Tab tab = actionBar
.newTab()
.setText(R.string.artist)
.setTabListener(
new TabListener<ArtistFragment>(this, "artist",
ArtistFragment.class));
actionBar.addTab(tab);
tab = actionBar
.newTab()
.setText(R.string.album)
.setTabListener(
new TabListener<AlbumFragment>(this, "album",
AlbumFragment.class));
actionBar.addTab(tab);
}
<application android:theme="@android:style/Theme.Holo.Light" ... />
<resources> <style name="CustomActionBarTheme" parent="@android:style/Theme.Holo.Light"> <item name="android:actionBarStyle">@style/MyActionBar</item> </style> <style name="MyActionBar" parent="@android:style/Widget.Holo.Light.ActionBar"> <item name="android:background">#f4842d</item> </style> </resources>
<resources> <style name="CustomActionBarTheme" parent="@android:style/Theme.Holo.Light"> <item name="android:actionBarStyle">@style/MyActionBar</item> </style> <style name="MyActionBar" parent="@android:style/Widget.Holo.Light.ActionBar"> <item name="android:background">#f4842d</item> <item name="android:backgroundStacked">#d27026</item> </style> </resources>
<resources> ...... <style name="MyActionBar" parent="@android:style/Widget.Holo.Light.ActionBar"> ...... <item name="android:titleTextStyle">@style/MyActionBarTitleText</item> </style> <style name="MyActionBarTitleText" parent="@android:style/TextAppearance.Holo.Widget.ActionBar.Title"> <item name="android:textColor">#fff</item> </style> </resources>
<resources> <style name="CustomActionBarTheme" parent="@android:style/Theme.Holo.Light"> <item name="android:actionBarStyle">@style/MyActionBar</item> <item name="android:actionBarTabTextStyle">@style/MyActionBarTabText</item> </style> <style name="MyActionBarTabText" parent="@android:style/Widget.Holo.ActionBar.TabText"> <item name="android:textColor">#fff</item> </style> </resources>
<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_selected="false" android:state_pressed="false" android:drawable="@drawable/tab_unselected" /> <item android:state_selected="true" android:state_pressed="false" android:drawable="@drawable/tab_selected" /> <item android:state_selected="false" android:state_pressed="true" android:drawable="@drawable/tab_unselected_pressed" /> <item android:state_selected="true" android:state_pressed="true" android:drawable="@drawable/tab_selected_pressed" /> </selector>
<resources> <style name="CustomActionBarTheme" parent="@android:style/Theme.Holo.Light"> ...... <item name="android:actionBarTabStyle">@style/MyActionBarTabs</item> </style> <style name="MyActionBarTabs" parent="@android:style/Widget.Holo.ActionBar.TabView"> <item name="android:background">@drawable/actionbar_tab_indicator</item> </style> </resources>
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