My application installs other applications, and it needs to keep track of what applications it has installed. Of course, this could be achieved by simply keeping a list of i
If you have Device Owner (or profile owner, I haven't tried) permission you can silently install/uninstall packages using device owner API.
for uninstalling:
public boolean uninstallPackage(Context context, String packageName) {
ComponentName name = new ComponentName(MyAppName, MyDeviceAdminReceiver.class.getCanonicalName());
PackageManager packageManger = context.getPackageManager();
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
PackageInstaller packageInstaller = packageManger.getPackageInstaller();
PackageInstaller.SessionParams params = new PackageInstaller.SessionParams(
PackageInstaller.SessionParams.MODE_FULL_INSTALL);
params.setAppPackageName(packageName);
int sessionId = 0;
try {
sessionId = packageInstaller.createSession(params);
} catch (IOException e) {
e.printStackTrace();
return false;
}
packageInstaller.uninstall(packageName, PendingIntent.getBroadcast(context, sessionId,
new Intent("android.intent.action.MAIN"), 0).getIntentSender());
return true;
}
System.err.println("old sdk");
return false;
}
and to install package:
public boolean installPackage(Context context,
String packageName, String packagePath) {
ComponentName name = new ComponentName(MyAppName, MyDeviceAdminReceiver.class.getCanonicalName());
PackageManager packageManger = context.getPackageManager();
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
PackageInstaller packageInstaller = packageManger.getPackageInstaller();
PackageInstaller.SessionParams params = new PackageInstaller.SessionParams(
PackageInstaller.SessionParams.MODE_FULL_INSTALL);
params.setAppPackageName(packageName);
try {
int sessionId = packageInstaller.createSession(params);
PackageInstaller.Session session = packageInstaller.openSession(sessionId);
OutputStream out = session.openWrite(packageName + ".apk", 0, -1);
readTo(packagePath, out); //read the apk content and write it to out
session.fsync(out);
out.close();
System.out.println("installing...");
session.commit(PendingIntent.getBroadcast(context, sessionId,
new Intent("android.intent.action.MAIN"), 0).getIntentSender());
System.out.println("install request sent");
return true;
} catch (IOException e) {
e.printStackTrace();
return false;
}
}
System.err.println("old sdk");
return false;
}