How to get apk installation package information in Android

1. Obtain installation package information

Copy the codeThe code is as follows:

/** 
* Get information about the apk package: version number, name, icon, etc.
* @param absPath AbsPath AbsK package absolute path
* @param context  
*/  
public void apkInfo(String absPath,Context context) {  

    PackageManager pm = ();  
    PackageInfo pkgInfo = (absPath,PackageManager.GET_ACTIVITIES);  
    if (pkgInfo != null) {  
        ApplicationInfo appInfo = ;  
/* These two sentences must be added, otherwise the icon below is the default icon instead of the application package */
         = absPath;  
         = absPath;  
String appName = (appInfo).toString();// Get the application name
String packageName = ; // Get the package name
String version = ; // Get version information
/* icon1 and icon2 are actually the same */
Drawable icon1 = (appInfo);// Get icon information
        Drawable icon2 = (pm);  
        String pkgInfoStr = ("PackageName:%s, Vesion: %s, AppName: %s", packageName, version, appName);  
        (TAG, ("PkgInfo: %s", pkgInfoStr));  
    }  
} 

2. When installing APK, we can obtain information such as installation package, version, package name, etc.

Copy the codeThe code is as follows:

public class TestActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
  (savedInstanceState);
  setContentView();
String archiveFilePath="sdcard/";//Installation package path
  PackageManager pm = getPackageManager();
   PackageInfo info = (archiveFilePath, PackageManager.GET_ACTIVITIES);
    if(info != null){
     ApplicationInfo appInfo = ;
     String appName = (appInfo).toString();
String packageName = ; //Get the installation package name
String version=; //Get version information
     // (, , Toast.LENGTH_LONG).show();
Drawable icon = (appInfo);//Get icon information
     TextView tv = (TextView)findViewById();
     ("appName:"+appName+"---packageName:"+packageName);
//Show icon
     ImageView tu=(ImageView)findViewById(.imageView1);
     (icon);
    }
   }

}
}

}