изменить размер текста в поле зрения фрагмент пейджера в строке поиска в действии

Question

В моей деятельности (Please see image), у меня есть поиск и просмотр пейджера (есть 3 страницы).

Я хочу, чтобы при поиске строки в изменении активности текст размера фрагмента также варьировался.

Как я могу это сделать?

Я пробовал его с интерфейсом, но он не запускался.

Mainactivity

package com.creativei.viewpagerloop; 

import android.os.Bundle; 
import android.support.v4.app.Fragment; 
import android.support.v4.app.FragmentManager; 
import android.support.v4.app.FragmentStatePagerAdapter; 
import android.support.v4.view.ViewPager; 
import android.support.v4.view.ViewPager.OnPageChangeListener; 
import android.support.v7.app.ActionBarActivity; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.SeekBar; 
import android.widget.SeekBar.OnSeekBarChangeListener; 
import android.widget.TextView; 

public class MainActivity extends ActionBarActivity { 
    private static final String LOG_TAG = "ViewPagerLoop"; 

    public static final String[] content = new String[] { 
      "Hello Welcome to ViewPager Loop Example. This is first view. Swipe right → for second view, swipe left � for last view.", 
      "Awesome, now you are on second view. Swipe right → again to go to last view.", 
      "Finally made it to last view, swipe right → again to go to first view." }; 
    Interface inter; 

    public MainActivity(Interface inter) { 
     this.inter = inter; 
    } 

    private SeekBar seekBar; 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main); 
     seekBar = (SeekBar) findViewById(R.id.seekBar1); 
     ViewPager pager = (ViewPager) findViewById(R.id.pager); 
     TextView counter = (TextView) findViewById(R.id.counter); 
     seekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() { 
      public void onProgressChanged(SeekBar seekBar, int progress, 
        boolean fromUser) { 
       inter.seekBarChange(progress); 
      } 

      public void onStartTrackingTouch(SeekBar seekBar) { 
      } 

      public void onStopTrackingTouch(SeekBar seekBar) { 

      } 
     }); 

     SimpleViewPagerAdapter adapter = new SimpleViewPagerAdapter(
       getSupportFragmentManager(), pager, content, counter); 
     pager.setAdapter(adapter); 
     pager.setOnPageChangeListener(adapter); 
     pager.setCurrentItem(1, false); 
    } 

    public static class SimpleFragment extends Fragment implements Interface { 
     private TextView textView; 

     public SimpleFragment() { 
     } 

     @Override 
     public View onCreateView(LayoutInflater inflater, ViewGroup container, 
       Bundle savedInstanceState) { 
      View rootView = inflater.inflate(R.layout.fragment_main, container, 
        false); 
      String content = getArguments().getString("content"); 
      textView = (TextView) rootView.findViewById(R.id.content); 
      textView.setText(content); 
      return rootView; 
     } 

     @Override 
     public void seekBarChange(int id) { 
      // TODO Auto-generated method stub 
      textView.setTextSize(id); 
     } 
    } 

    public static class SimpleViewPagerAdapter extends 
      FragmentStatePagerAdapter implements OnPageChangeListener { 

     private String[] content; 
     private ViewPager pager; 
     private TextView counter; 

     public SimpleViewPagerAdapter(FragmentManager fm, ViewPager pager, 
       String[] content, TextView counter) { 
      super(fm); 
      this.pager = pager; 
      this.content = content; 
      this.counter = counter; 
     } 

     @Override 
     public Fragment getItem(int position) { 
      SimpleFragment fragment = new SimpleFragment(); 
      Bundle bundle = new Bundle(); 
      int index = position; 

      bundle.putString("content", content[index]); 
      fragment.setArguments(bundle); 
      return fragment; 
     } 

     @Override 
     public int getCount() { 
      return content.length; 
     } 

     @Override 
     public void onPageSelected(int position) { 

     } 

     private String makeCounterText(int pageNo) { 
      return "Page " + pageNo + " of " + content.length; 
     } 

     @Override 
     public void onPageScrollStateChanged(int arg0) { 
     } 

     @Override 
     public void onPageScrolled(int arg0, float arg1, int arg2) { 
     } 

    } 
} 

Интерфейс

package com.creativei.viewpagerloop; 

public interface Interface { 
    public void seekBarChange(int id); 
} 

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:tools="http://schemas.android.com/tools" 
    android:id="@+id/container" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    tools:context="com.creativei.viewpagerloop.MainActivity" 
    tools:ignore="MergeRootFrame" > 

    <SeekBar 
     android:id="@+id/seekBar1" 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" /> 

    <android.support.v4.view.ViewPager 
     android:id="@+id/pager" 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" 
     android:layout_above="@+id/counter" 
     android:layout_below="@+id/seekBar1" /> 

    <TextView 
     android:id="@+id/counter" 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" 
     android:layout_alignParentBottom="true" 
     android:layout_alignParentLeft="true" 
     android:gravity="center_horizontal" /> 

</RelativeLayout> 

fragment_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:tools="http://schemas.android.com/tools" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:paddingBottom="@dimen/activity_vertical_margin" 
    android:paddingLeft="@dimen/activity_horizontal_margin" 
    android:paddingRight="@dimen/activity_horizontal_margin" 
    android:paddingTop="@dimen/activity_vertical_margin" 
    tools:context="com.creativei.viewpagerloop.SimpleFragment" > 

    <TextView 
     android:id="@+id/content" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" /> 

</RelativeLayout> 

Answer 1

Вы можете получить ссылки из этого примера http://sampleprogramz.com/android/seekbar.php