1 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2     xmlns:tools="http://schemas.android.com/tools"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:background="@drawable/launcher_bg"
 6     tools:context=".SplashActivity" >
 7
 8     <TextView
 9         android:id="@+id/tv_version"
10         android:layout_width="wrap_content"
11         android:layout_height="wrap_content"
12         android:layout_centerInParent="true"
13         android:shadowColor="#00ffff"
14         android:shadowDx="1"
15         android:shadowDy="1"
16         android:shadowRadius="1"
17         android:text="版本1.0"
18         android:textColor="#ffffff"
19         android:textSize="22sp" />
20
21     <ProgressBar
22         android:layout_width="wrap_content"
23         android:layout_height="wrap_content"
24         android:layout_below="@id/tv_version"
25         android:layout_centerHorizontal="true" />
26
27 </RelativeLayout>

1 <activity
2             android:name="com.example.mobilesafe.SplashActivity"
3             android:label="@string/app_name"
4             android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >

 1 package com.example.mobilesafe;
 2
 3 import android.os.Bundle;
 4 import android.app.Activity;
 5 import android.content.pm.PackageInfo;
 6 import android.content.pm.PackageManager;
 7 import android.content.pm.PackageManager.NameNotFoundException;
 8 import android.view.Menu;
 9 import android.widget.TextView;
10
11 public class SplashActivity extends Activity {
12     private TextView tv_version;
13
14     @Override
15     protected void onCreate(Bundle savedInstanceState) {
16         super.onCreate(savedInstanceState);
17         setContentView(R.layout.activity_splash);
18         tv_version = (TextView) findViewById(R.id.tv_version);
19         tv_version.setText("版本"+getVersionNumber());
20     }
21
22     /*
23      * 得到应用程序版本号
24      */
25
26     private String getVersionNumber() {
27         //用于管理手机的APK
28         PackageManager pm = getPackageManager();
29         //得到指定APK的功能清单文件（即AndroidMainfest.xml)
30         try {
31             PackageInfo packageInfo = pm.getPackageInfo(getPackageName(), 0);
32             return packageInfo.versionName;
33         } catch (NameNotFoundException e) {
34             e.printStackTrace();
35             return "";
36         }
37     }
38 }