ActionBar. import android.support.v7.app.actionbaractivity; public class MyAppBarActivity extends ActionBarActivity { }

Size: px

Start display at page:

Download "ActionBar. import android.support.v7.app.actionbaractivity; public class MyAppBarActivity extends ActionBarActivity { }"

Thomas Roberts
6 years ago
Views:

1 Android

2 ActionBar import android.support.v7.app.actionbaractivity; public class MyAppBarActivity extends ActionBarActivity {

3 Layout, activity.xml <menu xmlns:android= xmlns:app=" > <item app:showasaction="ifroom" app:actionviewclass="android.support.v7.widget.searchview" /> <item android:showasaction="never" /> </menu>

4 Menu patalpinimas į ActionBar public boolean oncreateoptionsmenu(menu menu) { MenuInflater inflater = getmenuinflater(); inflater.inflate(r.menu.my_app_bar, menu); return super.oncreateoptionsmenu(menu);

5 Reakcija į veiksmus public boolean onoptionsitemselected(menuitem item) { int id = item.getitemid(); switch (item.getitemid()) { case R.id.action_search: opensearch(); return true; case R.id.action_settings: opensettings(); return true; default: return super.onoptionsitemselected(item); void opensearch() { Toast.makeText(getApplicationContext(), "Search", Toast.LENGTH_LONG).show(); void opensettings() { Toast.makeText(getApplicationContext(), "Settings", Toast.LENGTH_LONG).show();

6 Navigation drawer

7 Šoninis menu Sukuriame pagal Android Studio projekto pavyzdį public void onnavigationdraweritemselected(int position) FragmentManager fragmentmanager = getsupportfragmentmanager(); if(position == 1) { FirstFragment newfragment = FirstFragment.newInstance("1", "2"); FragmentTransaction transaction = getsupportfragmentmanager().begintransaction(); transaction.replace(r.id.container, newfragment); transaction.addtobackstack(null); transaction.commit();...

8 Fragmentai

9 Inicijavimas import android.os.bundle; import android.support.v4.app.fragment; import android.view.layoutinflater; import android.view.viewgroup; public class ArticleFragment extends Fragment { public View oncreateview(layoutinflater inflater, ViewGroup container, Bundle savedinstancestate) { View v = inflater.inflate(r.layout.article_view, container, false); return v;

10 ArticleFragment newfragment = new ArticleFragment(); Bundle args = new Bundle(); args.putint(articlefragment.arg_position, position); newfragment.setarguments(args); FragmentTransaction transaction = getsupportfragmentmanager().begintransaction(); transaction.replace(r.id.fragment_container, newfragment); transaction.addtobackstack(null); transaction.commit();

11 Komunikacija tarp fragmentų public interface OnFragmentInteractionListener { public void onfragmentinteraction(uri uri); public class MyActivityMenu extends ActionBarActivity implements NavigationDrawerFragment.NavigationDrawerCallbacks, FirstFragment.OnFragmentInteractionListener

12 ActioBar pasiekimas iš fragmento ((ActionBarActivity)getActivity()).getSupportActionBar().setSubtitle("My fragment");

13 Tabs

14 public View oncreateview(layoutinflater inflater, ViewGroup container, Bundle savedinstancestate) { View v = inflater.inflate(r.layout.second_layout, container, false); ActionBar actionbar = ((ActionBarActivity)getActivity()).getSupportActionBar(); actionbar.setsubtitle("my fragment"); actionbar.removealltabs(); actionbar.setnavigationmode(actionbar.navigation_mode_tabs); actionbar.setdisplayshowtitleenabled(false); ActionBar.Tab tab = actionbar.newtab() <...> actionbar.addtab(tab);

15 ActionBar.Tab tab2 = actionbar.newtab().settext("tab1").settablistener(new ActionBar.TabListener() { public void ontabselected(actionbar.tab tab, FragmentTransaction fragmenttransaction) { TabFragment tabfrag = TabFragment.newInstance("1", "2"); fragmenttransaction.replace(r.id.container, tabfrag); public void ontabunselected(actionbar.tab tab, FragmentTransaction fragmenttransaction) { public void ontabreselected(actionbar.tab tab, FragmentTransaction fragmenttransaction) { ); actionbar.addtab(tab2); return v;

16 Tabs (1) void opensettings() { ActionBar actionbar = getsupportactionbar(); actionbar.setnavigationmode(actionbar.navigation_mode_tabs); actionbar.setdisplayshowtitleenabled(false); ActionBar.Tab tab = actionbar.newtab().settext("tab1").settablistener(new ActionBar.TabListener() { public void ontabselected(actionbar.tab tab, FragmentTransaction fragmenttransaction) { public void ontabunselected(actionbar.tab tab, FragmentTransaction fragmenttransaction) { public void ontabreselected(actionbar.tab tab, FragmentTransaction fragmenttransaction) { ); actionbar.addtab(tab);

17 ListView ir adapteriai

18 ListView <RelativeLayout xmlns:android=" xmlns:tools=" android:layout_width="match_parent" android:layout_height="match_parent"> <ListView android:layout_width="wrap_content" android:layout_height="wrap_content" /> </RelativeLayout>

19 public class ListActivity extends Activity { protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_list); final ListView listview = (ListView) findviewbyid(r.id.listview); String[] values = new String[] { "Android", "iphone", "Windows Phone 8", "Blackberry", "WebOS", ; final ArrayList<String> list = new ArrayList<String>(); for (int i = 0; i < values.length; ++i) { list.add(values[i]); final OSArrayAdapter adapter = new OSArrayAdapter(this, android.r.layout.simple_list_item_1, list); listview.setadapter(adapter);...

20 public class OSArrayAdapter extends ArrayAdapter<String> { HashMap<String, Integer> midmap = new HashMap<String, Integer>(); public OSArrayAdapter(Context context, int textviewresourceid, List<String> objects) { super(context, textviewresourceid, objects); for (int i = 0; i < objects.size(); ++i) { midmap.put(objects.get(i), i); public long getitemid(int position) { String item = getitem(position); return midmap.get(item); public boolean hasstableids() { return true;

21 Base adapter

22 List item <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android=" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" > <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:padding="5dp" android:text="title" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:padding="5dp" android:text="description" /> </LinearLayout>

23 Bazinė klasė public class ListData { String Description; String title; public String getdescription() { return Description; public void setdescription(string description) { Description = description; public String gettitle() { return title; public void settitle(string title) { this.title = title;

24 Base adapter public class MyBaseAdapter extends BaseAdapter { ArrayList<ListData> mylist = new ArrayList<ListData>(); LayoutInflater inflater; Context context; public MyBaseAdapter(Context context, ArrayList<ListData> mylist) { this.mylist = mylist; this.context = context; inflater = LayoutInflater.from(this.context); // only context can also be used public int getcount() { return mylist.size(); public ListData getitem(int position) { return mylist.get(position); public long getitemid(int position) { return position;

25 public View getview(int position, View convertview, ViewGroup parent) { MyViewHolder mviewholder; if(convertview == null) { convertview = inflater.inflate(r.layout.layout_list_item, null); TextView title = ((TextView) convertview.findviewbyid(r.id.ititle)); title.settext( this.getitem(position). gettitle(); return convertview;

26 Activity ArrayList<ListData> mylist = new ArrayList<ListData>(); String[] title = new String[] { "Title 1", "Title 2", "Title 3", "Title 4", "Title 5", "Title 6", "Title 7", "Title 8" ; String[] desc = new String[] { "Desc 1", "Desc 2", "Desc 3", "Desc 4", "Desc 5", "Desc 6", "Desc 7", "Desc 8" ;

27 Activity private void getdatainlist() { for(int i=0;i<8;i++) { // Create a new object for each list item ListData ld = new ListData(); ld.settitle(title[i]); ld.setdescription(desc[i]); ld.setimgresid(img[i]); // Add this object into the ArrayList mylist mylist.add(ld);

28 Skirtingi eilučių tipai public int getitemviewtype(int position) { return mseparatorsset.contains(position)? TYPE_SEPARATOR : TYPE_ITEM; public int getviewtypecount() { return TYPE_MAX_COUNT;

HAX. https://software.intel.com/en-us/android/articles/intel-hardwareaccelerated-execution-manager

HAX. https://software.intel.com/en-us/android/articles/intel-hardwareaccelerated-execution-manager HAX https://software.intel.com/en-us/android/articles/intel-hardwareaccelerated-execution-manager Regavimas į vartotojo veiksmus button.setonclicklistener(new View.OnClickListener() { public void onclick(view