Question

我要更改TabLayout自定义字体，但我不知道它为什么不再更改，我有4个标签和ViewPager和有4 fragment。现在问题是我想要更改标签文本字体。事实上，我在不同的部分使用书法，但我不知道为什么我无法将它设置到我自己的标签上。我现在使用的是我开发了FragmentPagerAdapter's getTabView方法并在那里设置自定义标签并在其中加载自定义标签布局xml文件。

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));
    }
}

，这是我的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>

Answer 1

使用此库。

将此内容添加到build.gradle文件

//  fonts
compile 'in.workarounds.typography:typography:0.0.8'

然后将TextView更改为

<in.workarounds.typography.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" 
    app:font_name="Lato"
    app:font_variant="Light"/>

其中font为Lato-Light。位于assets/fonts/Lato-Light.ttf

tablayout自定义字体不会改变

1 个答案: