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我要更改TabLayout自定义字体，但我不知道为什么它不会再更改，我有一个4选项卡和一个ViewPager并有4 fragment。现在问题是我想更改标签文本字体。事实上，我用书法的不同部分，但我不知道为什么我不能将其设置为我自己的选项卡。我现在使用的东西是我开发了FragmentPagerAdapter's 方法并在那里设置自定义选项卡并在其中加载自定义选项卡布局xml文件。tablayout自定义字体不会更改
这是我的代码：
package com.example.noavaran.drugstore.Activity;
import android.content.Context;
import android.graphics.Color;
import android.graphics.PorterDuff;
import android.graphics.Typeface;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.AppCompatTextView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import com.example.noavaran.drugstore.Fragment.AddressFragment;
import com.example.noavaran.drugstore.Fragment.IssueFragment;
import com.example.noavaran.drugstore.Fragment.MenuFragment;
import com.example.noavaran.drugstore.Fragment.SearchFragment;
import com.example.noavaran.drugstore.Helper.CustomViewPager;
import com.example.noavaran.drugstore.R;
import java.util.ArrayList;
import java.util.List;
import layout.fragment_approve;
import uk.co.chrisjenx.calligraphy.CalligraphyContextWrapper;
import uk.co.chrisjenx.calligraphy.CalligraphyUtils;
public class MainPageActivity extends AppCompatActivity {
private TabLayout tabLayout;
public Context context;
public Typeface tf;
public static boolean a=false;
private CustomViewPager viewPager;
private int[] tabIcons = {
R.drawable.menu,
R.drawable.address_icon,
R.drawable.search_icon,
R.drawable.issue_icon
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main_page);
tf = Typeface.createFromAsset(getAssets(), "IRANSans_Bold.ttf");
tabCustomization();
changeTabsFont();
setupTabIcons();
}
private void tabCustomization() {
viewPager = (CustomViewPager) findViewById(R.id.viewPager);
viewPager.setPagingEnabled(false);
setupViewPager(viewPager);
tabLayout = (TabLayout) findViewById(R.id.tabs);
tabLayout.setupWithViewPager(viewPager);
// Iterate over all tabs and set the custom view
}
private void setupTabIcons() {
tabLayout.getTabAt(0).setIcon(tabIcons[0]);
tabLayout.getTabAt(1).setIcon(tabIcons[1]);
tabLayout.getTabAt(2).setIcon(tabIcons[2]);
tabLayout.getTabAt(3).setIcon(tabIcons[3]);
tabLayout.getTabAt(0).getIcon().setColorFilter(Color.parseColor("#a8a8a8"), PorterDuff.Mode.SRC_IN);
tabLayout.getTabAt(1).getIcon().setColorFilter(Color.WHITE, PorterDuff.Mode.SRC_IN);
tabLayout.getTabAt(2).getIcon().setColorFilter(Color.WHITE, PorterDuff.Mode.SRC_IN);
tabLayout.getTabAt(3).getIcon().setColorFilter(Color.WHITE, PorterDuff.Mode.SRC_IN);
tabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener(){
@Override
public void onTabSelected(TabLayout.Tab tab) {
tab.getIcon().setColorFilter(Color.parseColor("#a8a8a8"), PorterDuff.Mode.SRC_IN);
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
tab.getIcon().setColorFilter(Color.WHITE, PorterDuff.Mode.SRC_IN);
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
}
});
}
public void setupViewPager(ViewPager viewPager) {
ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager());
adapter.addFragment(new MenuFragment(), "menu");
adapter.addFragment(new AddressFragment(), "Address");
adapter.addFragment(new SearchFragment(), "Search");
adapter.addFragment(new IssueFragment(), "Issue");
for (int i = 0; i < tabLayout.getTabCount(); i++) {
TabLayout.Tab tab = tabLayout.getTabAt(i);
tab.setCustomView(adapter.getTabView(i));
}
viewPager.setAdapter(adapter);
}
class ViewPagerAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragmentList = new ArrayList<>();
private final List<String> mFragmentTitleList = new ArrayList<>();
public ViewPagerAdapter(FragmentManager manager) {
super(manager);
}
@Override
public Fragment getItem(int position) {
return mFragmentList.get(position);
}
@Override
public int getCount() {
return mFragmentList.size();
}
public void addFragment(Fragment fragment, String title) {
mFragmentList.add(fragment);
mFragmentTitleList.add(title);
}
public View getTabView(int position) {
// Given you have a custom layout in `res/layout/custom_tab.xml` with a TextView and ImageView
View view= LayoutInflater.from(context).inflate(R.layout.custom_tab, null);
TextView textView= (TextView) view.findViewById(R.id.textView);
textView.setText(getPageTitle(position));
ImageView imageView = (ImageView) view.findViewById(R.id.imageView);
imageView .setImageResource(tabIcons[position]);
return view;
}
@Override
public CharSequence getPageTitle(int position) {
return mFragmentTitleList.get(position);
}
}
private void changeTabsFont() {
Typeface mTypeface = Typeface.createFromAsset(getAssets(), "IRANSans_Bold.ttf");
ViewGroup vg = (ViewGroup) tabLayout.getChildAt(0);
int tabsCount = vg.getChildCount();
for (int j = 0; j < tabsCount; j++) {
ViewGroup vgTab = (ViewGroup) vg.getChildAt(j);
int tabChildsCount = vgTab.getChildCount();
for (int i = 0; i < tabChildsCount; i++) {
View tabViewChild = vgTab.getChildAt(i);
if (tabViewChild instanceof TextView) {
((TextView) tabViewChild).setTypeface(mTypeface, Typeface.BOLD);
}
}
}
}
//Caligraphy Library
@Override
protected void attachBaseContext(Context newBase) {
super.attachBaseContext(CalligraphyContextWrapper.wrap(newBase));
}
}
，这是我customxml文件：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/imageView" />
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="New Text"
android:textSize="@dimen/text_size"
android:gravity="center"
fontPath="@string/fontsIran"
android:id="@+id/textView" />
</LinearLayout>
你有自定义字体'tf'，但你在哪里设置它的标签？ –
我没有看到你在'getTabView（）'中初始化你正在从'LayoutInflater'获得'context'字段的位置。 –
@MikeM。你是什么意思关于上下文领域的布局inflater – Sandro