你怎么能得到一个Android用户的电子邮件地址？ [英] How can you get an Android user's email address?

问题描述

我有 android.permission.READ_OWNER_DATA ，但我无法找到任何可靠的code这可以解释我如何可以读取设备的所有者的电子邮件地址。我怎样才能做到这一点？

I have android.permission.READ_OWNER_DATA but I can't find any reliable code that would explain how can I read email address of device's owner. How can I do this?

推荐答案

为什么你要这么做？

import android.accounts.Account;
import android.accounts.AccountManager;
import android.content.Context;

/**
 * This class uses the AccountManager to get the primary email address of the
 * current user.
 */
public class UserEmailFetcher {

  static String getEmail(Context context) {
    AccountManager accountManager = AccountManager.get(context); 
    Account account = getAccount(accountManager);

    if (account == null) {
      return null;
    } else {
      return account.name;
    }
  }

  private static Account getAccount(AccountManager accountManager) {
    Account[] accounts = accountManager.getAccountsByType("com.google");
    Account account;
    if (accounts.length > 0) {
      account = accounts[0];      
    } else {
      account = null;
    }
    return account;
  }
}

在你AnroidManifest.xml

In your AnroidManifest.xml

<uses-permission android:name="android.permission.GET_ACCOUNTS" />

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