Radiogroup+radioButton+fragment

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———–xml———-

main类

package com.example.yunifang_2;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

import com.bawei.banben.Conf;
import com.bawei.banben.UpdateEntity;
import com.bawei.banben.UpdateTools;
import com.bawei.fragmnet.MainFragmentActivity;
import com.bawei.fragmnet.buyFragmentActivity;
import com.bawei.fragmnet.mimeFragmentActivity;
import com.bawei.fragmnet.typeFragmentActivity;

import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;

import android.graphics.PixelFormat;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;

import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.FrameLayout;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;

public class TwoActivity extends FragmentActivity implements OnClickListener {
private FrameLayout main_content;
private RadioGroup rg;
private RadioButton rb1;
private RadioButton rb2;
private RadioButton rb3;
private RadioButton rb4;
private MainFragmentActivity f1;
private typeFragmentActivity f2;
private buyFragmentActivity f3;
private mimeFragmentActivity f4;
private FragmentManager fm;
private AlertDialog dialog;

private UpdateEntity updateEntity;private TextView tv_name;/** * 消息机制 */private Handler handler = new Handler(){    @Override    public void handleMessage(Message msg) {        // TODO Auto-generated method stub        super.handleMessage(msg);        switch (msg.what) {            case 0:                dialog.setMessage(updateEntity.getDescription());                dialog.show();                break;            case 1:                downLoadApk();                break;        }    }};@Overrideprotected void onCreate(Bundle savedInstanceState) {    getWindow().setFormat(PixelFormat.TRANSLUCENT); // 解决黑屏闪动的问题    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_second);    // 初始化数据    initView();    fm = getSupportFragmentManager();    FragmentTransaction ft = fm.beginTransaction();    init();    ft.add(R.id.fl, f1);    ft.add(R.id.fl, f2);    ft.add(R.id.fl, f3);    ft.add(R.id.fl, f4);    ft.hide(f2).hide(f3).hide(f4).show(f1);    ft.commit();    // 判断是否联网    getNetInfor();    dialog = new AlertDialog.Builder(TwoActivity.this).            setTitle("升级提醒").            setIcon(R.drawable.ic_launcher).            setPositiveButton("在线升级", onclick).            setNegativeButton("不想升级", null).            create();    //开启线程    new Thread(new CheckVersionTask()).start();}DialogInterface.OnClickListener  onclick = new DialogInterface.OnClickListener(){    @Override    public void onClick(DialogInterface dialog, int which) {        // TODO Auto-generated method stub        handler.sendEmptyMessage(1);    }};/* * 从服务器中下载APK */protected void downLoadApk() {    final ProgressDialog pd;    //进度条对话框    pd = new  ProgressDialog(this);    pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);    pd.setMessage("正在下载更新");    pd.show();    new Thread(){        @Override        public void run() {            try {                File file =  getFileFromServer(updateEntity.getUrl(), pd);                sleep(3000);                UpdateTools tools = new UpdateTools();                //安装APk                tools.installApk(file,TwoActivity.this);                pd.dismiss(); //结束掉进度条对话框            } catch (Exception e) {                e.printStackTrace();            }        }}.start();}/* * 从服务器获取xml解析并进行比对版本号 */public class CheckVersionTask implements Runnable{    public void run() {        try {            //从资源文件获取服务器 地址            String path = getResources().getString(R.string.serverurl);            //包装成url的对象            URL url = new URL(path);            HttpURLConnection conn =  (HttpURLConnection) url.openConnection();            conn.setConnectTimeout(5000);            InputStream is =conn.getInputStream();            updateEntity =  UpdateTools.getUpdataInfo(is);            int versionCode = TwoActivity.this.getPackageManager().getPackageInfo(TwoActivity.this.getPackageName(), 0).versionCode;            if(Integer.parseInt(updateEntity.getVersion()) <= versionCode){                Log.i("xxx","版本号相同无需升级");            }else{                Log.i("xxxx","版本号不同 ,提示用户升级 ");                handler.sendEmptyMessage(0);            }        } catch (Exception e) {            e.printStackTrace();        }    }}/** * 下载方法 * * @param path * @param pd * @return * @throws Exception */public File getFileFromServer(String path, ProgressDialog pd)        throws Exception {    // 如果相等的话表示当前的sdcard挂载在手机上并且是可用的    if (Environment.getExternalStorageState().equals(            Environment.MEDIA_MOUNTED)) {        URL url = new URL(path);        HttpURLConnection conn = (HttpURLConnection) url.openConnection();        conn.setConnectTimeout(5000);        // 获取到文件的大小        pd.setMax(conn.getContentLength());        InputStream is = conn.getInputStream();        File file = new File(Environment.getExternalStorageDirectory(),                "updata.apk");        FileOutputStream fos = new FileOutputStream(file);        BufferedInputStream bis = new BufferedInputStream(is);        byte[] buffer = new byte[1024];        int len;        int total = 0;        while ((len = bis.read(buffer)) != -1) {            fos.write(buffer, 0, len);            total += len;            // 获取当前下载量            pd.setProgress(total);        }        fos.close();        bis.close();        is.close();        return file;    } else {        return null;    }}@Overrideprotected void onPause() {    Log.w(Conf.TAG, "Activity1.onPause()");    // TODO Auto-generated method stub    super.onPause();}@Overrideprotected void onResume() {    Log.w(Conf.TAG, "Activity1.onResume()");    // TODO Auto-generated method stub    super.onResume();}private void getNetInfor() {    // TODO Auto-generated method stub    // 首先是获取网络连接管理者    ConnectivityManager manager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);    NetworkInfo info = manager.getActiveNetworkInfo();    // 网络状态存在并且是已连接状态    if (info != null && info.isConnected()) {        Toast.makeText(TwoActivity.this, "网络已连接", Toast.LENGTH_SHORT)                .show();    } else {        Toast.makeText(TwoActivity.this, "网络连接失败", Toast.LENGTH_SHORT)                .show();        // 新建一个对话框提示请检查网络 点击确定进入到系统的设置页面重新设置网络        new AlertDialog.Builder(TwoActivity.this)                .setTitle("请检查网络连接")                .setNegativeButton("确定",                        new DialogInterface.OnClickListener() {                            @Override                            public void onClick(DialogInterface dialog,                                    int which) {                                if (android.os.Build.VERSION.SDK_INT > 10) {                                    // 安卓系统3.0以上打开设置界面，也可以直接用ACTION_WIRELESS_SETTINGS打开到wifi界面                                    startActivity(new Intent(                                            android.provider.Settings.ACTION_SETTINGS));                                } else {                                    startActivity(new Intent(                                            android.provider.Settings.ACTION_WIRELESS_SETTINGS));                                }                            }                        }).show();    }}private void init() {    // TODO Auto-generated method stub    f1 = new MainFragmentActivity();    f2 = new typeFragmentActivity();    f3 = new buyFragmentActivity();    f4 = new mimeFragmentActivity();}private void initView() {    // TODO Auto-generated method stub    main_content = (FrameLayout) findViewById(R.id.fl);    rg = (RadioGroup) findViewById(R.id.tab_menu);    rb1 = (RadioButton) findViewById(R.id.rb1);    rb2 = (RadioButton) findViewById(R.id.rb2);    rb3 = (RadioButton) findViewById(R.id.rb3);    rb4 = (RadioButton) findViewById(R.id.rb4);    rb1.setOnClickListener(this);    rb2.setOnClickListener(this);    rb3.setOnClickListener(this);    rb4.setOnClickListener(this);}@Overridepublic void onClick(View v) {    FragmentTransaction ft = fm.beginTransaction();    switch (v.getId()) {    case R.id.rb1:        ft.show(f1).hide(f2).hide(f3).hide(f4);        ft.commit();        break;    case R.id.rb2:        ft.show(f2).hide(f1).hide(f3).hide(f4);        ft.commit();        break;    case R.id.rb3:        ft.show(f3).hide(f1).hide(f2).hide(f4);            ft.commit();        break;    case R.id.rb4:        ft.show(f4).hide(f1).hide(f2).hide(f3);        ft.commit();        break;    }}

}

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