碎片是一种可以嵌入在活动中的UI片段，它能让程序更加合理与充分地使用大屏幕的空间，碎片通常都是在平板电脑开发中才会使用

简单实例

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左碎片布局

package com.example.fragmenttest; import android.app.Fragment; import android.os.Bundle; import android.support.annotation.Nullable; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; /**  * Created by Administrator on 2016/3/2.  */ public class LeftFragment extends Fragment {
      @Nullable     @Override     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
          View view = inflater.inflate(R.layout.left_fragment,container,false);         return view;     } }

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右碎片布局 
     
         
      
    

 

package com.example.fragmenttest; import android.app.Fragment; import android.os.Bundle; import android.support.annotation.Nullable; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; /**  * Created by Administrator on 2016/3/2.  */ public class RightFragment extends Fragment {
      @Nullable     @Override     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
          View view = inflater.inflate(R.layout.right_fragment,container);         return view;     } }

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主界面

 

package com.example.fragmenttest; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity {
      @Override     protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);     } }

 

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