Fragment的微信界面源代码

完成上述的网页，并且能够左右切换
注：
一下的带代码只能够在Android的3.0以上的版本中使用。


这是java文件的源代码
/*
*作者浅淡~夏天
*Time：2014/12/14
*微信界面
*/


package com.android.xiong.fragmentnavigation2;

import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.RadioButton;
import android.widget.Toast;

public class MainActivity extends Activity {

    private RadioButton ra_weixin_bt, ra_tongxunlu_bt, ra_faxian_bt, ra_wo_bt;
    private Fragment talkFragment, addressFragment, findFragment, meFragment;
    FragmentManager fgManager;
    private int i = 0;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        fgManager = getFragmentManager();
        init();
        ra_weixin_bt.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                talkFragment = new WeChatTalkFragment();
                changeFrament(talkFragment, null, "talkFragment");
                changeRadioButtonImage(v.getId());
            }
        });
        ra_tongxunlu_bt.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                addressFragment = new AddressFragment();
                changeFrament(addressFragment, null, "addressFragment");
                changeRadioButtonImage(v.getId());
            }
        });
        ra_faxian_bt.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                findFragment = new FindFragment();
                changeFrament(findFragment, null, "findFragment");
                changeRadioButtonImage(v.getId());

            }
        });
        ra_wo_bt.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                meFragment = new MeFragment();
                changeFrament(meFragment, null, "meFragment");
                changeRadioButtonImage(v.getId());
            }
        });
    }

    // 初始化信息
    public void init() {
        ra_weixin_bt = (RadioButton) findViewById(R.id.ra_weixin_bt);
        ra_tongxunlu_bt = (RadioButton) findViewById(R.id.ra_tongxunlu_bt);
        ra_faxian_bt = (RadioButton) findViewById(R.id.ra_faxian_bt);
        ra_wo_bt = (RadioButton) findViewById(R.id.ra_wo_bt);
        talkFragment = new WeChatTalkFragment();
        addressFragment = new AddressFragment();
        findFragment = new FindFragment();
        meFragment = new MeFragment();
        changeFrament(talkFragment, null, "talkFragment");
        // 更换 android:drawableTop图pain资源
        ra_weixin_bt.setCompoundDrawablesWithIntrinsicBounds(0,
                R.drawable.n_talk_l, 0, 0);
    }

    // 切界面
    public void changeFrament(Fragment fragment, Bundle bundle, String tag) {

        for (int i = 0, count = fgManager.getBackStackEntryCount(); i < count; i++) {
            fgManager.popBackStack();
        }
        FragmentTransaction fg = fgManager.beginTransaction();
        fragment.setArguments(bundle);
        fg.add(R.id.fragmentRoot, fragment, tag);
        fg.addToBackStack(tag);
        fg.commit();

    }

    // 更换RadioButton图片
    public void changeRadioButtonImage(int btids) {
        int[] imageh = { R.drawable.n_address_h, R.drawable.n_find_h,
                R.drawable.n_me_h, R.drawable.n_talk_h };
        int[] imagel = { R.drawable.n_address_l, R.drawable.n_find_l,
                R.drawable.n_me_l, R.drawable.n_talk_l };
        int[] rabt = { R.id.ra_tongxunlu_bt, R.id.ra_faxian_bt, R.id.ra_wo_bt,
                R.id.ra_weixin_bt };
        switch (btids) {
        case R.id.ra_tongxunlu_bt:
            changeImage(imageh, imagel, rabt, 0);
            break;
        case R.id.ra_faxian_bt:
            changeImage(imageh, imagel, rabt, 1);
            break;
        case R.id.ra_wo_bt:
            changeImage(imageh, imagel, rabt, 2);
            break;
        case R.id.ra_weixin_bt:
            changeImage(imageh, imagel, rabt, 3);
            break;
        default:
            break;
        }
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            if (i == 0) {
                Toast.makeText(this, "再点击一次将退出程序", Toast.LENGTH_SHORT).show();
                i++;
            } else {
                this.finish();
            }
            return false;
        }
        return super.onKeyDown(keyCode, event);
    }

    public void changeImage(int[] image1, int[] image2, int[] rabtid, int index) {
        for (int i = 0; i < image1.length; i++) {
            if (i != index) {
                ((RadioButton) findViewById(rabtid[i]))
                        .setCompoundDrawablesWithIntrinsicBounds(0, image1[i],
                                0, 0);
            } else {
                ((RadioButton) findViewById(rabtid[i]))
                        .setCompoundDrawablesWithIntrinsicBounds(0, image2[i],
                                0, 0);
            }
        }
    }


    @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;
    }

}
一下是XML文件：

<RelativeLayout 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:background="#dbdbdb"
    tools:context=".MainActivity" >

    <LinearLayout
        android:id="@+id/fragmentRoot"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical" >
    </LinearLayout>

    <LinearLayout
        android:id="@+id/bottomList"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:background="@android:color/black"
        android:orientation="horizontal" >

        <LinearLayout style="@style/linaer_bottom" >

            <RadioButton
                android:id="@+id/ra_weixin_bt"
                style="@style/rbt_bottom"
                android:drawableTop="@drawable/n_talk_h"
                android:text="@string/weixin" />
        </LinearLayout>

        <LinearLayout style="@style/linaer_bottom" >

            <RadioButton
                android:id="@+id/ra_tongxunlu_bt"
                style="@style/rbt_bottom"
                android:drawableTop="@drawable/n_address_h"
                android:text="@string/tongxulu" />
        </LinearLayout>

        <LinearLayout style="@style/linaer_bottom" >

            <RadioButton
                android:id="@+id/ra_faxian_bt"
                style="@style/rbt_bottom"
                android:drawableTop="@drawable/n_find_h"
                android:text="@string/faxian" />
        </LinearLayout>

        <LinearLayout style="@style/linaer_bottom" >

            <RadioButton
                android:id="@+id/ra_wo_bt"
                style="@style/rbt_bottom"
                android:drawableTop="@drawable/n_me_h"
                android:text="@string/wo" />
        </LinearLayout>
    </LinearLayout>

</RelativeLayout>