1. private String getVersion(){
   
2. try {
   
3. //通过PackageManager获取安装包信息
   
4. PackageInfo packageInfo =
   
5. getPackageManager().getPackageInfo(getPackageName(),0);
   
6. //返回版本信息
   
7. return packageInfo.versionName;
   
8. } catch (NameNotFoundException e) {
   
9. return "";
   
10. }
    
11. }

复制代码

看不太懂 能不能解释啊

1. private String getVersion(){
   
2. try {
   
3. //通过PackageManager获取安装包信息
   
4. PackageInfo packageInfo =
   
5. getPackageManager().getPackageInfo(getPackageName(),0);
   
6. //返回版本信息
   
7. return packageInfo.versionName;
   
8. } catch (NameNotFoundException e) {
   
9. return "";
   
10. }
    
11. }

复制代码

看不太懂 能不能解释啊