Java code Implementation of the app general security loading and unloading load

Difference between the two

• Perform normal installation, uninstall, will pop up confirm installation, uninstall the prompt box, and in the File Manager open APK file implementation installation, uninstall the same.
• Perform silent installation, uninstall, normal state, the foreground no response, the app in the background to complete the installation and uninstall. This feature is also commonly referred to as "background installation".

General Installation

Core code:

new Intent(Intent.ACTION_VIEW);intent.setDataAndType(    Uri.fromFile(new File(apkPath)),     "application/vnd.android.package-archive");context.startActivity(intent);

Normal Uninstall

Core code:

Uri packageURI = Uri.parse("package:"new Intent(Intent.ACTION_DELETE, packageURI);context.startActivity(intent);

In the code above, PackageName is the package name of the target app.

Silent Installation

Core code:

privatestaticfinal"pm install -r ";

String installcmd = Silent_install_cmd + Apkpath;The //PM instruction does not support Chineseintresult =-1;D Ataoutputstream dos =NULL; Process Process =NULL;Try{process = Runtime.getruntime (). EXEC ("Su"); DOS =NewDataOutputStream (Process.getoutputstream ()); Dos.writebytes (Installcmd +"\ n");    Dos.flush (); Dos.writebytes ("exit\n");    Dos.flush ();    Process.waitfor (); result = Process.exitvalue ();}Catch(Exception e) {E.printstacktrace ();}finally{Try{if(Dos! =NULL) {dos.close (); }if(Process! =NULL) {Process.destroy (); }    }Catch(IOException e)    {E.printstacktrace (); }}returnResult

Silent Uninstallation

Core code:

// 如果要保留数据，需要加-k参数，但是卸载会不完全privatestaticfinal"pm uninstall ";

String uninstallcmd = Silent_uninstall_cmd + apppackagename;intresult =-1;D Ataoutputstream dos =NULL; Process Process =NULL;Try{process = Runtime.getruntime (). EXEC ("Su"); DOS =NewDataOutputStream (Process.getoutputstream ()); Dos.writebytes (Uninstallcmd +"\ n");    Dos.flush (); Dos.writebytes ("exit\n");    Dos.flush ();    Process.waitfor (); result = Process.exitvalue ();}Catch(Exception e) {E.printstacktrace ();}finally{Try{if(Dos! =NULL) {dos.close (); }if(Process! =NULL) {Process.destroy (); }    }Catch(IOException e)    {E.printstacktrace (); }}returnResult

In the code above, AppPackageName is the package name of the target app.

More information can be found in this page install , uninstall , silentInstall and the silentUninstall four methods.

Java code Implementation of the app general security loading and unloading load