java - 如何验证当前设备中是否存在手机号码

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Programmatically obtain the phone number of the Android phone (22 个回答)

已关闭 3 年前。

在我的应用程序中，我想验证用户输入的手机号码是否存在于当前设备上。就像所有银行应用程序一样。如果当前设备上没有注册的手机，银行应用程序将不允许您登录。<​​/p>

我的问题是如何做到这一点。我尝试过 TelephonyManager API 和 SubscriptionManager API。两人均未透露手机号码。使用 SubscriptionManager API，我可以获得以下信息，但不能获取手机号码

SubscriptionManager subscriptionManager = SubscriptionManager.from(getApplicationContext()); 
List subsInfoList = subscriptionManager.getActiveSubscriptionInfoList(); 
if (subsInfoList != null) { 
    Log.d("log", "number of sims = " + subsInfoList.size()); 
    Log.d("log", "Current list = " + subsInfoList); 
    for (SubscriptionInfo subscriptionInfo : subsInfoList) { 
        Log.d("log", " Number is " + subscriptionInfo.getNumber()); 
        tvNumber.setText(subscriptionInfo.getNumber()); 
    } 
} 

SIM 数量 = 1

Current list = [{id=1, iccId=89914509009117870249 simSlotIndex=0 displayName=airtel carrierName=airtel nameSource=2 iconTint=-13408298 dataRoaming=1 iconBitmap=android.graphics.Bitmap@326dab88 mcc 404 mnc 45 status 1}] 
Number is

TelephonyManager tMgr = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); String mobileNumber = tMgr.getLine1Number(); Log.d("log", "mobile number = " + mobileNumber);

Answer 1

将最后一行替换为

TelephonyManager tMgr = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
String mPhoneNumber = tMgr.getLine1Number();

确保启用以下权限非常重要:

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

注意:这可以返回 null、空字符串或 "???????"

引用号:Programmatically obtain the phone number of the Android phone