40 Android fragment (二)

myfragment.xml 文件代码 （要加载到fragment的文件）

<?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" >

<RatingBar
android:id="@+id/ratingBar1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />

<Button
android:id="@+id/buttonFragment"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button" />

</LinearLayout>

MyFragment.java 继承  fragment

package com.example.android_fragment_add;

import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.Toast;

public class MyFragment extends Fragment {

public MyFragment()
{

}
@Override
public void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// TODO Auto-generated method stub
View view =inflater.inflate(R.layout.myfragment, null);
Button button=(Button)view.findViewById(R.id.buttonFragment);
button.setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getActivity(), "show", 1).show();

}
});
return view;
}

@Override
public void onPause() {
// TODO Auto-generated method stub
super.onPause();
}

}


activity_main.xml 文件代码：

<LinearLayout 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:orientation="horizontal"
tools:context=".MainActivity" >

<LinearLayout
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="match_parent"
android:background="#cccccc"
android:orientation="vertical"
>

<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="显示" />

</LinearLayout>
<LinearLayout
android:id="@+id/right"
android:layout_weight="3"
android:layout_width="0dp"
android:layout_height="match_parent"
android:background="#ccffcc"
android:orientation="vertical"
></LinearLayout>

</LinearLayout>

MainActivity.java 代码：

package com.example.android_fragment_add;

import android.os.Bundle;
import android.app.Activity;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;

public class MainActivity extends Activity {

private Button button;
private FragmentManager manager;
private boolean flag=true;
//事物
FragmentTransaction transaction;
// private LinearLayout linearLayout;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button=(Button)findViewById(R.id.button1);

manager=this.getFragmentManager();

button.setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if(flag){
transaction=manager.beginTransaction();
MyFragment myFragment=new MyFragment();
//第一个参数 是要显示的父View
transaction.add(R.id.right, myFragment);
transaction.commit();
flag=false;
}

}
});
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}