try { long installed = getPackageManager().getPackageInfo("package.name", 0).firstInstallTime; Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(installed); Log.w("MainActivity.java | onCreate", "|" + cal.getTime().toString() + "|"); } catch (Exception e) { }
출처 : http://stackoverflow.com/questions/5311644/get-application-installed-date-on-android