1 <?xml version="1.0" encoding="utf-8"?>
 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     xmlns:tools="http://schemas.android.com/tools"
 4     android:id="@+id/activity_main"
 5     android:layout_width="match_parent"
 6     android:layout_height="match_parent"
 7     android:gravity="center"
 8     android:orientation="vertical"
 9     tools:context="com.example.my.myapplicationtiaozhuan.MainActivity">10

11 <LinearLayout 

12 android:id="@+id/show"13 android:layout_width="match_parent"14 android:layout_height="wrap_content"15 android:gravity="center"16 android:orientation="vertical"> 

17 

18 </LinearLayout>19

 20 <Button 

21 android:id="@+id/btnshow"22 android:layout_width="wrap_content" 

23 android:layout_height="wrap_content"24 android:layout_gravity="center"25 android:layout_marginTop="20dp"26 android:onClick="onClick"27 android:text="@string/btnshow" />28 

29 <LinearLayout 

30 android:id="@+id/txtshow2"31 android:layout_width="wrap_content"32 android:layout_height="wrap_content"33 android:layout_marginTop="100dp" 

34 android:orientation="vertical"> 

35

 36 </LinearLayout> 

37 </LinearLayout>

string文件

<resources><string name="app_name">FragmentJump</string><string name="txtshow">This is first fragment</string><string name="btnshow">Show Next Page</string><!-- TODO: Remove or change this placeholder text --><string name="hello_blank_fragment">Hello blank fragment</string><string name="show">This is in second fragment</string>
</resources>

1 View view = inflater.inflate(R.layout.fragment_biaoti, container, false);
2 // 加载一些初始化的数据
3 TextView txtContent = (TextView) view.findViewById(R.id.biaoti_show)
//通过ID获取视图内容
4 txtContent.setText(content);5 return view;67 public void setContent(String content){8 this.content = content;9 }

FragmentManager manager = getFragmentManager();
transaction = manager.beginTransaction();      //添加一个FragmentTransaction的实例
biaotiFragment.setContent("This is first fragment");
transaction.add(R.id.show, biaotiFragment);  //静态创建， 用add()方法加上Fragment的对象
transaction.commit(); //调用commit()方法使得FragmentTransaction实例的改变生效

Fragment动态创建编码

  btshow.setOnClickListener(new View.OnClickListener() {  //监听button事件
        @Overridepublic void onClick(View view) {if (btshow.isClickable()) {                  //button第一次被点击事件FragmentManager manager = getFragmentManager();transaction = manager.beginTransaction();biaotiFragment = new BiaotiFragment();biaotiFragment.setContent("This is second fragment"); //调用fragment中的setContent（）方法将Fragment中的标题改为This is second fragmenttransaction.replace(R.id.show, biaotiFragment);//将show线性布局替换成biaotiFragment
                transaction.commit();}btshow.setOnClickListener(new View.OnClickListener() { //再次监听button事件
                @Overridepublic void onClick(View view) {if (btshow.isClickable()) {         //button第二次被点击事件FragmentManager manager = getFragmentManager();transaction = manager.beginTransaction();contentFragment.setContent("This is in second fraqment");transaction.replace(R.id.txtshow2, contentFragment);transaction.commit();}}});}});
}private long exitTime = 0;@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_DOWN) {   //判断手机上退出键if ((System.currentTimeMillis() - exitTime) > 2000) {       //第一次点击返回键FragmentManager manager = getFragmentManager();transaction = manager.beginTransaction();biaotiFragment = new BiaotiFragment();biaotiFragment.setContent("This is first fragment");  //调用biaotifragment中的setContent（）方法
            transaction.replace(R.id.show, biaotiFragment);contentFragment=new ContentFragment();contentFragment.setContent("");                      //将contentFragment中的标题改为空
            transaction.replace(R.id.txtshow2, contentFragment);transaction.commit();exitTime = System.currentTimeMillis();} else {               //第二次点击返回键finish();          //退出System.exit(0);}return true;}return super.onKeyDown(keyCode, event);
}学习于舍友丁金涛