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  <activityandroid: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>  <!--  <receiver android:name=".receiver.OutCallReceiver" >静态注册的广播   <intent-filter>    <action android:name="android.intent.action.NEW_OUTGOING_CALL" />   </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>

<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:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin"android:paddingRight="@dimen/activity_horizontal_margin"android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.mxn.mobilesafe.SplashActivity" android:background="@drawable/launcher_bg"  android:id="@+id/rl_root"> <TextView  android:id="@+id/tv_version"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:layout_alignParentBottom="true"  android:layout_centerHorizontal="true"  android:layout_marginBottom="202dp"  android:textSize="22sp"  android:textColor="#000"  android:shadowColor="#f00" //对版本号设置阴影  android:shadowDx="1"  android:shadowDy="1"  android:shadowRadius="1"  android:text="版本号：1.0" /> <ProgressBar  android:id="@+id/progressBar1"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:layout_alignTop="@+id/tv_version"  android:layout_centerHorizontal="true"  android:layout_marginTop="54dp" /> <TextView  android:id="@+id/tv_progress"  android:visibility="gone"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:layout_alignParentBottom="true"  android:layout_alignParentLeft="true"  android:textColor="#f00"  android:textSize="16sp"  android:text="下载进度" /></RelativeLayout>

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");  }}

<activity android:name=".PackageInstallerActivity"android:configChanges="orientation|keyboardHidden"android:theme="@style/Theme.Transparent">   <intent-filter>    <action android:name="android.intent.action.VIEW" />    <category android:name="android.intent.category.DEFAULT" />    <data android:scheme="content" />    <data android:scheme="file" />    <data android:mimeType="application/vnd.android.package-archive" />   </intent-filter>  </activity>