赵雅智_通过fragment对布局进行改变

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"

    tools:context=".MainActivity" >

    <fragment
        android:id="@+id/fragment1"
        android:name="com.example.android_fragment.other.MyFragment1"
        android:layout_width="100dp"
        android:layout_height="match_parent"
         />

    <fragment
        android:id="@+id/fragment2"
        android:name="com.example.android_fragment.other.MyFragment2"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_toRightOf="@+id/fragment1"
        
     />

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical" 
    android:paddingLeft="20dp"
    android:paddingTop="10dp"
    android:background="#DCB5FF">

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="片段1" />
    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="片段2" />
    <TextView
        android:id="@+id/textView3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="片段3" />
    <TextView
        android:id="@+id/textView4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="片段4" />

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/ll_item"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#FFBFFF"
    android:orientation="vertical"
    android:paddingTop="10dp" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:text="TextView" />

</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:orientation="vertical"
    android:background="#FFE66F"
     >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:paddingTop="10dp"
        android:text="替换的textview" />
     
</LinearLayout>

package com.example.android_fragment;

import android.os.Bundle;
import android.support.v4.app.FragmentActivity;

/**
 * 主activity，包含2个片段
 * @author zhaoyazhi
 *
 * 2014-6-13
 */
public class MainActivity extends FragmentActivity {
	@Override
	protected void onCreate(Bundle arg0) {
		super.onCreate(arg0);
		setContentView(R.layout.activity_main);
	}
}

package com.example.android_fragment.other;

import android.app.Activity;
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.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.example.android_fragment.R;
/**
 * 左边片段
 * @author zhaoyazhi
 *
 * 2014-6-13
 */
public class MyFragment1 extends Fragment {
	private FragmentActivity activity;
	/**
	 * 把activity造型为FragmentActivity
	 */
	@Override
	public void onAttach(Activity activity) {
		// TODO Auto-generated method stub
		super.onAttach(activity);
		this.activity = (FragmentActivity) activity;
	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState) {
		//设置布局
		View view = inflater.inflate(R.layout.fragment_list_item1, container,
				false);
		
		//查找控件并设置点击事件
		TextView tv1 = (TextView) view.findViewById(R.id.textView1);
		tv1.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View arg0) {
				//改变背景值
				changeFragmentColor();
			}
			
		});
		
		//查找控件并设置点击事件
		TextView tv2 = (TextView) view.findViewById(R.id.textView2);
		tv2.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View arg0) {
				//改变整个Fragment
				changeFragment();
			}
			
		});
		return view;
	}
	
	//改变整个Fragment
	private void changeFragment() {
		// 1.获取FragmentManager对象
		FragmentManager manager = getActivity()
				.getSupportFragmentManager();

		// 2.获取fragment的事务操作 代表：activity对fragment执行的多个改变的操作
		FragmentTransaction transaction = manager.beginTransaction();
		// 添加替换或删除Fragment这时候就需要FragmentTransaction的布局动态文件
		// 执行替换
		//参数1:父元素的id值，参数2：替换新fragment对象
		transaction.replace(R.id.fragment2, new MyFragment3());

		// 3.提交事务
		transaction.commit();
	}

	//改变控件的颜色
	private void changeFragmentColor() {
		// 1.获取FragmentManager对象，只要获取FragmentManager对象就能获取fragment对象
		FragmentManager manager = getActivity()
				.getSupportFragmentManager();
		// 2.根据FragmentManager对象的findFragmentById方法来获取指定的fragment
		Fragment fragment2 = manager.findFragmentById(R.id.fragment2);
		// 3.获取Fragment中的布局文件
		View v = fragment2.getView();
		// 4.获取view中任何控件
		LinearLayout layout = (LinearLayout) v
				.findViewById(R.id.ll_item);
		// 5.改变颜色背景值
		layout.setBackgroundColor(Color.YELLOW);

	}
}

package com.example.android_fragment.other;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.example.android_fragment.R;
/**
 * 右边片段
 * @author zhaoyazhi
 *
 * 2014-6-13
 */
public class MyFragment2 extends Fragment {
	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState) {
		View v = inflater.inflate(R.layout.fragment_list_item2, container, false);
		 
		return v;
	}
	
 
}

package com.example.android_fragment.other;
 
import com.example.android_fragment.R;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
/**
 * 全部替换的右边片段
 * @author zhaoyazhi
 *
 * 2014-6-13
 */
public class MyFragment3 extends Fragment {
	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState) {
		return inflater.inflate(R.layout.fragment_list_replace, container, false);
	}
}