[英]How to add Tablayout icons
I have one question, how do I implement icons for tablayout. 我有一个问题,我如何实现用于布局的图标。
I have 3 tabs and for all tabs I have icons selected and unselected. 我有3个选项卡,对于所有选项卡,我都选择和未选择图标。 (White-Yellow color). (白黄色)。
But, dunno how to implement those. 但是,不知道如何实现这些目标。
Here is mine UserActivity class: 这是我的UserActivity类:
public class UserActivity extends AppCompatActivity {
FragmentPagerAdapter adapterViewPager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_user);
// Get the ViewPager and set it's PagerAdapter so that it can display items
ViewPager viewPager = (ViewPager) findViewById(R.id.viewpager);
adapterViewPager = new UserFragmentPagerAdapter(getSupportFragmentManager());
viewPager.setAdapter(adapterViewPager);
// Give the TabLayout the ViewPager
TabLayout tabLayout = (TabLayout) findViewById(R.id.sliding_tabs);
tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
tabLayout.setTabMode(TabLayout.MODE_FIXED);
tabLayout.setupWithViewPager(viewPager);
tabLayout.setTabTextColors(getResources().getColorStateList(R.color.selector));
}
UserFragmentPageAdapter: UserFragmentPageAdapter:
public UserFragmentPagerAdapter(FragmentManager fragmentManager) {
super(fragmentManager);
}
@Override
public int getCount() {
return NUM_ITEMS;
}
@Override
public Fragment getItem(int position) {
switch (position) {
case 0: // Fragment # 0 - This will show FirstFragment
return SmallMoveFragment.newInstance(0, "Small Move");
case 1: // Fragment # 0 - This will show FirstFragment different title
return DeliveryFragment.newInstance(1, "Delivery");
case 2: // Fragment # 1 - This will show SecondFragment
return GarbageFragment.newInstance(2, "Garbage");
default:
return null;
}
}
@Override
public CharSequence getPageTitle(int position) {
switch (position) {
case 0: // Fragment # 0 - This will show FirstFragment
return "Small Move";
case 1: // Fragment # 0 - This will show FirstFragment different title
return "Delivery";
case 2: // Fragment # 1 - This will show SecondFragment
return "Garbage ";
default:
return "No name";
}
}
}
And ONE of 3 tabs: 和3个标签之一:
public class DeliveryFragment extends Fragment {
// Store instance variables
private String title;
private int page;
// newInstance constructor for creating fragment with arguments
public static DeliveryFragment newInstance(int page, String title) {
DeliveryFragment fragmentFirst = new DeliveryFragment();
Bundle args = new Bundle();
args.putInt("someInt", page);
args.putString("someTitle", title);
fragmentFirst.setArguments(args);
return fragmentFirst;
}
// Store instance variables based on arguments passed
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
page = getArguments().getInt("someInt", 0);
title = getArguments().getString("someTitle");
}
// Inflate the view for the fragment based on layout XML
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_delivery, container, false);
TextView tvLabel = (TextView) view.findViewById(R.id.DeliveryTxt);
tvLabel.setText(page + " -- " + title);
return view;
}
}
Any ideas where and how... I would do it with TabHost, but I would like it this way. 任何想法在哪里以及如何...我将使用TabHost做到这一点,但我希望这样。
I have 6 icon 48x48 in drawable/hdpi. 我在drawable / hdpi中有6个图标48x48。
There's a solution but not very well. 有解决方案,但不是很好。
tabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
int pos = tab.getPosition();
switch (pos) {
case 0 :
tab.setIcon(R.drawable.select_0);
break;
case 1 :
tab.setIcon(R.drawable.select_1);
break;
case 2 :
tab.setIcon(R.drawable.select_2);
break;
}
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
int pos = tab.getPosition();
switch (pos) {
case 0 :
tab.setIcon(R.drawable.unselect_0);
break;
case 1 :
tab.setIcon(R.drawable.unselect_1);
break;
case 2 :
tab.setIcon(R.drawable.unselect_2);
break;
}
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
}
});
but this code may be in your User Activity, pagerAdapter doesn't support tab with icon directly. 但是此代码可能在您的用户活动中,pagerAdapter不直接支持带有图标的标签。
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