详谈闪屏页相关处理

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.mxn.mobilesafe" android:versionCode="1" //版本号 android:versionName="1.0" > //版本名 <uses-sdk android:minSdkVersion="16" android:targetSdkVersion="21" /> //项目所需的权限 <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.READ_PHONE_STATE" /> <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" /> <uses-permission android:name="android.permission.READ_CONTACTS" /> <uses-permission android:name="android.permission.SEND_SMS" /> <uses-permission android:name="android.permission.RECEIVE_SMS" /> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> <uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION" /> <uses-permission android:name="android.permission.VIBRATE" /> <uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS" /> <uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES"/> <uses-permission android:name="android.permission.GET_PACKAGE_SIZE"/> <uses-permission android:name="android.permission.CLEAR_APP_CACHE"/> <application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > //主题 //activity的注册 <activity android:name="com.mxn.mobilesafe.activity.SplashActivity" android:label="@string/app_name" > <intent-filter> //起始的activity <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name="com.mxn.mobilesafe.activity.HomeActivity" /> <activity android:name="com.mxn.mobilesafe.activity.SettingActivity" /> <activity android:name="com.mxn.mobilesafe.activity.LostFindActivity" > </activity> <activity android:name="com.mxn.mobilesafe.activity.Setup1Activity" > </activity> <activity android:name="com.mxn.mobilesafe.activity.Setup2Activity" > </activity> <activity android:name="com.mxn.mobilesafe.activity.Setup3Activity" > </activity> <activity android:name="com.mxn.mobilesafe.activity.Setup4Activity" > </activity> <activity android:name="com.mxn.mobilesafe.activity.ContactActivity" > </activity> <activity android:name="com.mxn.mobilesafe.activity.AtoolsActivity" > </activity> <activity android:name="com.mxn.mobilesafe.activity.AddressActivity" > </activity> <activity android:name="com.mxn.mobilesafe.activity.CallSafeActivity" > </activity> <activity android:name="com.mxn.mobilesafe.activity.AppManagerActivity" > </activity> <activity android:name="com.mxn.mobilesafe.activity.TaskManagerActivity"> </activity> <activity android:name="com.mxn.mobilesafe.activity.TaskManagerSettingActivity"> </activity> <activity android:name="com.mxn.mobilesafe.activity.AntivirusActivity"></activity> <activity android:name="com.mxn.mobilesafe.activity.AppLockActivity"></activity> <activity android:name="com.mxn.mobilesafe.activity.CleanCacheActivity"></activity> //广播接收者的注册 <receiver android:name=".receiver.BootCompleteReceiver" > <intent-filter> <action android:name="android.intent.action.BOOT_COMPLETED" /> </intent-filter> </receiver> <receiver android:name=".receiver.SmsReceiver" > <intent-filter android:priority="2147483647" > <action android:name="android.provider.Telephony.SMS_RECEIVED" /> </intent-filter> </receiver>  //服务的注册 <service android:name="com.mxn.mobilesafe.service.LocationService" > </service> <service android:name="com.mxn.mobilesafe.service.AddressService" > </service> <service android:name="com.mxn.mobilesafe.service.KillProcessService"></service> <service android:name="com.mxn.mobilesafe.service.WatchDogService"></service> </application> </manifest>

public class SplashActivity extends Activity { protected static final int CODE_UPDATE_DIALOG; protected static final int CODE_URL_ERROR; protected static final int CODE_NET_ERROR; protected static final int CODE_JSON_ERROR; protected static final int CODE_ENTER_HOME; private TextView tvVersion; private TextView tvProgress;// 下载进度展示 // 服务器返回的信息 private String mversionName;// 版本名 private int mversionCode;// 版本号 private String mDesc;// 版本描述 private String mdowmloadurl;// 下载地址 private Handler mHandler = new Handler() { public void handleMessage(android.os.Message msg) { switch (msg.what) { case CODE_UPDATE_DIALOG: showUpdateDialog();//显示升级对话框 break; case CODE_URL_ERROR: Toast.makeText(SplashActivity.this, "url错误", Toast.LENGTH_SHORT).show(); enterHome(); break; case CODE_NET_ERROR: Toast.makeText(SplashActivity.this, "网络错误", Toast.LENGTH_SHORT).show(); enterHome(); break; case CODE_JSON_ERROR: Toast.makeText(SplashActivity.this, "json数据解析解析错误", Toast.LENGTH_SHORT).show(); enterHome(); break; case CODE_ENTER_HOME: enterHome(); break; default: break; } }; }; private SharedPreferences sp; private RelativeLayout rlRoot; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_splash); tvVersion = (TextView) findViewById(R.id.tv_version); tvProgress = (TextView) findViewById(R.id.tv_progress);// 默认隐藏 tvVersion.setText("版本号：" + getVersionCode());//给版本号设置内容，动态获取的值 rlRoot = (RelativeLayout) findViewById(R.id.rl_root); //判断是否需要自动更新 sp = getSharedPreferences("config", MODE_PRIVATE); boolean autoUpdate = sp.getBoolean("auto_update", true); copyDB("address.db");//拷贝归属地查询数据库 copyDB("antivirus.db");//拷贝病毒库 //更新病毒库 updateVirus(); if(autoUpdate){ checkVersion(); }else{ mHandler.sendEmptyMessageDelayed(CODE_ENTER_HOME, 2000); } //闪屏页渐变动画效果 AlphaAnimation anim = new AlphaAnimation(0.3f, 1f); anim.setDuration(2000); rlRoot.startAnimation(anim); } //更新病毒数据库 private void updateVirus() { //联网从服务器获取到最近数据的MD5的特征码 HttpUtils httputils = new HttpUtils(); String url = "http://172.28.3.112:8080/virus.json"; httputils.send(HttpMethod.GET, url, new RequestCallBack<String>(){ @Override public void onFailure(HttpException arg0, String arg1) { // TODO Auto-generated method stub } @Override public void onSuccess(ResponseInfo<String> arg0) { // TODO Auto-generated method stub //System.out.println(arg0.result); // JSONObject jsonobject = new JSONObject(arg0.result); // String md5 = jsonobject.getString("md5"); // String desc = jsonobject.getString("desc"); } }); } // 获取本地版本号 private int getVersionCode() { PackageManager packgeManager = getPackageManager();//拿到包的管理者。。包管理器，获取手机里面每个apk的信息（清单文件信息） try {// 获取包的信息。。 getPackageName()当前应用程序的包名等于 package="com.mxn.mobilesafe" PackageInfo packageInfo = packgeManager.getPackageInfo(getPackageName(), 0); int versionCode = packageInfo.versionCode; String versionName = packageInfo.versionName; System.out.println("versionname=" + versionName + ";" + "versioncode=" + versionCode); return versionCode; } catch (NameNotFoundException e) { // 没有找到包名时 e.printStackTrace(); } return -1; } // 从服务器获取版本信息进行校验 private void checkVersion() { final long startTime = System.currentTimeMillis(); new Thread() {// 网络访问在分线程异步加载数据 public void run() { Message msg = Message.obtain(); HttpURLConnection con = null; try {// 本机地址：localhost 如果用模拟器加载本机的地址：用10.0.0.2来替换 URL url = new URL("http://10.0.2.2:8080/update.json"); // 打开连接 con = (HttpURLConnection) url.openConnection(); con.setRequestMethod("GET");//设置请求方法 con.setConnectTimeout(5000);// 设置连接超时，5S con.setReadTimeout(5000);// 设置响应超时，链接上了，但服务器迟迟没有响应 con.connect();// 链接服务器 int responseCode = con.getResponseCode();//获取响应码 if (responseCode == 200) { // 获取返回值 InputStream inputStream = con.getInputStream(); // 流转化为字符串 String result = StreamUtils.readFormStream(inputStream);//自己定义的StreamUtils工具类 System.out.println("网络结果返回：" + result); //result是一个json字符串，进行解析 // 解析json JSONObject jo = new JSONObject(result); mversionName = jo.getString("versionName");//拿到服务器端的版本名 mversionCode = jo.getInt("versionCode");//拿到服务器端的版本号 mDesc = jo.getString("description");//拿到服务器端的版本描述 mdowmloadurl = jo.getString("downloadUrl");//拿到服务器端的下载链接 System.out.println(mDesc); System.out.println(mversionCode); // 服务器的大于本地的，判断是否有更新，如果大于则有更新需要更新，弹出升级对话框 if (mversionCode > getVersionCode()) { System.out.println("进行比较，有版本更新"); msg.what = CODE_UPDATE_DIALOG; // showUpdateDialog();//这句是在子线程更新界面，android不能在子线程更新界面，要想在子线程更新界面所以用到handler. } else {// 如果没有版本更新 msg.what = CODE_ENTER_HOME; } } } catch (MalformedURLException e) {// url错误的异常 msg.what = CODE_URL_ERROR; e.printStackTrace(); } catch (IOException e) {//网络错误异常 // 这个是可以携带数据的msg.obj = msg.what = CODE_NET_ERROR;// what只是一个标识，用来区分消息！ e.printStackTrace(); } catch (JSONException e) {// json解析失败 msg.what = CODE_JSON_ERROR; e.printStackTrace(); } finally { long endTime = System.currentTimeMillis(); long timeUsed = endTime - startTime;// 访问网络花费的时间 if (timeUsed < 2000) { try {// 强制休眠2s,保证闪屏页面2S Thread.sleep(2000 - timeUsed); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } mHandler.sendMessage(msg);// 消息发送出去，在handlemessage里进行相应的处理 if (con != null) { con.disconnect(); } } } }.start(); } //升级对话框 private void showUpdateDialog() { System.out.println("正在升级对话框"); // 升级对话框 AlertDialog.Builder builder = new AlertDialog.Builder(this);//context对象 builder.setTitle("最新版本" + mversionName); builder.setMessage(mDesc); // builder.setCancelable(false);//不让用户取消对话框,用户体验太差 builder.setPositiveButton("立即更新", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub System.out.println("立即更新"); // download方法 download(); } }); builder.setNegativeButton("以后再说", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { enterHome(); } }); builder.setOnCancelListener(new OnCancelListener() { // 设置取消监听，用户点击返回键时触发 @Override public void onCancel(DialogInterface dialog) { enterHome(); } }); builder.show(); } protected void download() {// 下载服务器端的apk文件 if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) { // 判断是否有sd卡，sd卡挂载的时候才可以 tvProgress.setVisibility(View.VISIBLE);// 显示进度 String target = Environment.getExternalStorageDirectory() + "/update.apk";//把文件下载到哪个路径下，sd卡的根目录 // xutils框架，使用HttpUtils工具下载文件，下载一个jar包 HttpUtils utils = new HttpUtils(); utils.download(mdowmloadurl, target, new RequestCallBack<File>() { @Override // 文件下载进度 public void onLoading(long total, long current, boolean isUploading) { // TODO Auto-generated method stub super.onLoading(total, current, isUploading); System.out.println("下载进度:" + current + "/" + total); tvProgress.setText("下载进度：" + current * 100 / total + "%"); } @Override public void onSuccess(ResponseInfo<File> arg0) { // TODO Auto-generated method stub Toast.makeText(SplashActivity.this, "下载成功", Toast.LENGTH_SHORT).show(); // 下载完成之后，跳到系统的安装界面。。Intent.ACTION_VIEW 是xml的action 标签 Intent intent = new Intent(Intent.ACTION_VIEW);//系统的安装界面 intent.addCategory(Intent.CATEGORY_DEFAULT); intent.setDataAndType(Uri.fromFile(arg0.result), "application/vnd.android.package-archive"); // startActivity(intent); startActivityForResult(intent, 0);// 如果用户取消安装，会返回结果,回调方法onActivityResult，下文定义 } @Override public void onFailure(HttpException arg0, String arg1) { // TODO Auto-generated method stub Toast.makeText(SplashActivity.this, "下载失败", Toast.LENGTH_SHORT).show(); } }); } else { Toast.makeText(SplashActivity.this, "没有SD卡", Toast.LENGTH_SHORT).show(); } } @Override//用户取消安装，回调此方法 protected void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub System.out.println("出现安装界面，用户点击取消时。"); enterHome(); super.onActivityResult(requestCode, resultCode, data); } private void enterHome() {// 进入主界面 Intent intent = new Intent(this, HomeActivity.class); startActivity(intent); finish(); } //拷贝数据库，从assets目录下拷贝到data/data/com.mxn.mobilesafe/files目录下 private void copyDB(String dbName){ //获取文件路径 File destFile = new File(getFilesDir(),dbName); if(destFile.exists()){ System.out.println("已存在"); } FileOutputStream out = null; InputStream in = null; try { in = getAssets().open(dbName); out = new FileOutputStream(destFile); int len = 0; byte[] buffer = new byte[1024]; while((len = in.read(buffer))!=-1){ out.write(buffer,0,len); } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); }finally{ try { in.close(); out.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } }

/* * 读取流的工具 * 把流对象转换成字符串对象 */ public class StreamUtils { //将输入流读取成String后返回 public static String readFormStream(InputStream in) throws IOException{ // 定义字节数组输出流对象 ByteArrayOutputStream out = new ByteArrayOutputStream(); // 定义读取的长度 int len = 0 ; // 定义读取的缓冲区 byte[] buffer = new byte[1024]; // 按照定义的缓冲区进行循环读取，直到读取完毕为止 while((len=in.read(buffer))!=-1){ // 根据读取的长度写入到字节数组输出流对象中 out.write(buffer,0,len); } String result = out.toString(); // 关闭流 in.close(); out.close(); return result; // // 把读取的字节数组输出流对象转换成字节数组 // byte data[] = out.toByteArray(); // // 按照指定的编码进行转换成字符串(此编码要与服务端的编码一致就不会出现乱码问题了，android默认的编码为UTF-8) // return new String(data, "UTF-8"); } }

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