version_tracker

Description:

version tracker

VersionTracker #
Local version and build tracker plugin. Provides the ability to keep track of previous installations and easily migrate data between upgrades.
Usage #
Call this on the main function
var vt = VersionTracker();
await vt.track();
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You can also set the max number for version and build history by giving a value to buildHistoryMaxLength and versionHistoryMaxLength in the track function.
var vt = VersionTracker();
await vt.track(buildHistoryMaxLength: 10, versionHistoryMaxLength: 10);
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Then call these whenever you want (in these examples the user has launched a bunch of previous versions, and this is the first time he's launched the new version 1.0.11):
vt.isFirstLaunchEver; // false
vt.isFirstLaunchForVersion; // true
vt.isFirstLaunchForBuild; // true

vt.currentVersion; // 1.0.11
vt.previousVersion; // 1.0.10
vt.firstInstalledVersion; // 1.0.0
vt.versionHistory; // [ 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.10, 1.0.11 ]

vt.currentBuild; // 18
vt.previousBuild; // 15
vt.firstInstalledBuild; // 1
vt.buildHistory; // [ 1, 2, 3, 4, 5, 8, 9, 10, 11, 13, 15, 18 ]
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