【Andorid X 项目笔记】嵌套Fragment的使用（5）

import android.graphics.Color;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.ViewPager;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.TextView;

/**
 * 嵌套Fragment使用
 * 
 *  @author  农民伯伯
 *  @see   http://www.cnblogs.com/over140/archive/2013/01/02/2842227.html
 * 
  */
public  class FragmentNestActivity  extends FragmentActivity  implements OnClickListener {

    @Override
     protected  void onCreate(Bundle arg0) {
         super.onCreate(arg0);
        setContentView(R.layout.nested_fragments);

        findViewById(R.id.btnModule1).setOnClickListener( this);
        findViewById(R.id.btnModule2).setOnClickListener( this);
        findViewById(R.id.btnModule3).setOnClickListener( this);

        findViewById(R.id.btnModule1).performClick();
    }

    @Override
     public  void onClick(View v) {
         switch (v.getId()) {
         case R.id.btnModule1:
            addFragmentToStack(FragmentParent.newInstance(0));
             break;
         case R.id.btnModule2:
            addFragmentToStack(FragmentParent.newInstance(1));
             break;
         case R.id.btnModule3:
            addFragmentToStack(FragmentParent.newInstance(2));
             break;
        }
    }

     private  void addFragmentToStack(Fragment fragment) {
        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
         //         ft.setCustomAnimations(android.R.anim.slide_in_left, android.R.anim.slide_in_left);
        ft.replace(R.id.fragment_container, fragment);
        ft.commit();
    }

     /**  嵌套Fragment  */
     public  final  static  class FragmentParent  extends Fragment {

         public  static  final FragmentParent newInstance( int position) {
            FragmentParent f =  new FragmentParent();
            Bundle args =  new Bundle(2);
            args.putInt("position", position);
            f.setArguments(args);
             return f;
        }

        @Override
         public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
            View convertView = inflater.inflate(R.layout.viewpager_fragments, container,  false);
            ViewPager pager = (ViewPager) convertView.findViewById(R.id.pager);

             final  int parent_position = getArguments().getInt("position");
             // 注意这里的代码
            pager.setAdapter( new FragmentStatePagerAdapter(getChildFragmentManager()) {

                @Override
                 public Fragment getItem( final  int position) {
                     return  new Fragment() {
                        @Override
                         public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
                            TextView convertView =  new TextView(getActivity());
                            convertView.setLayoutParams( new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.FILL_PARENT));
                            convertView.setGravity(Gravity.CENTER);
                            convertView.setTextSize(30);
                            convertView.setTextColor(Color.BLACK);
                            convertView.setText("Page " + position);
                             return convertView;
                        }
                    };
                }

                @Override
                 public  int getCount() {
                     return 3;
                }

                @Override
                 public CharSequence getPageTitle( int position) {
                     return "Page " + parent_position + " - " + position;
                }

            });

             return convertView;
        }
    }
}

<? xml version="1.0" encoding="utf-8" ?>
< LinearLayout  xmlns:android ="http://schemas.android.com/apk/res/android"
    android:layout_width ="match_parent"
    android:layout_height ="match_parent"
    android:orientation ="vertical"   >

     < FrameLayout
         android:id ="@+id/fragment_container"
        android:layout_width ="fill_parent"
        android:layout_height ="0dip"
        android:layout_weight ="1.0"
        android:background ="#F7F5DE"   >
     </ FrameLayout >

     < LinearLayout
         android:layout_width ="fill_parent"
        android:layout_height ="wrap_content"
        android:layout_gravity ="bottom"
        android:background ="@android:color/black"
        android:orientation ="horizontal"   >

         < ImageView
             android:id ="@+id/btnModule1"
            android:layout_width ="wrap_content"
            android:layout_height ="wrap_content"
            android:layout_marginBottom ="3dp"
            android:layout_marginLeft ="7dp"
            android:layout_marginTop ="3dp"
            android:src ="@android:drawable/ic_dialog_dialer"   />

         < ImageView
             android:id ="@+id/btnModule2"
            android:layout_width ="wrap_content"
            android:layout_height ="wrap_content"
            android:layout_marginBottom ="3dp"
            android:layout_marginLeft ="7dp"
            android:layout_marginTop ="3dp"
            android:src ="@android:drawable/ic_dialog_info"   />

         < ImageView
             android:id ="@+id/btnModule3"
            android:layout_width ="wrap_content"
            android:layout_height ="wrap_content"
            android:layout_marginBottom ="3dp"
            android:layout_marginLeft ="7dp"
            android:layout_marginTop ="3dp"
            android:src ="@android:drawable/ic_dialog_alert"   />
     </ LinearLayout >

</ LinearLayout >

<? xml version="1.0" encoding="utf-8" ?>
< LinearLayout  xmlns:android ="http://schemas.android.com/apk/res/android"
    android:layout_width ="match_parent"
    android:layout_height ="match_parent"   >

     < android.support.v4.view.ViewPager
         android:id ="@+id/pager"
        android:layout_width ="match_parent"
        android:layout_height ="match_parent"   >

         < android.support.v4.view.PagerTitleStrip
             android:layout_width ="wrap_content"
            android:layout_height ="wrap_content"
            android:layout_gravity ="top"   />
     </ android.support.v4.view.ViewPager >

</ LinearLayout >