在Android设备上安装应用程序后，仅运行一次代码 [英] Run code only once after an application is installed on Android device

问题描述

我只想在应用程序安装后运行一段代码.执行完该代码后，即使升级，也不应再次调用该特定代码.

I want to run a piece of code once only after the application is installed. After it has been executed, that particular piece of code should not be called again, even for an upgrade.

推荐答案

1. 检查布尔X是否在共享首选项中为True
2. 如果不是:
   一种.运行特殊代码
   b.在共享首选项中将x保存为true

1. Check if boolean X is True in shared preferences
2. If not:
   a. Run the special code
   b. Save x as true in shared preferences

例如:

SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
if(!prefs.getBoolean("firstTime", false)) {
    // run your one time code
    SharedPreferences.Editor editor = prefs.edit();
    editor.putBoolean("firstTime", true);
    editor.commit();
}

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