android获取当前接入点信息判断是ctwap还是ctnet实例代码

代码如下:

    private  String CTWAP="ctwap";
    private  String CTNET="ctnet";
    private  Uri PREFERRED_APN_URI = Uri
        .parse("content://telephony/carriers/preferapn");
    public  String getApnType(Context context) {
        String apntype = "nomatch";
        Cursor c = context.getContentResolver().query(PREFERRED_APN_URI, null,
                null, null, null);
        c.moveToFirst();
        String user = c.getString(c.getColumnIndex("apn"));
        if (user.startsWith(CTNET)) {
            apntype = CTNET;
        } else if (user.startsWith(CTWAP)) {
            apntype = CTWAP;
        }
        return apntype;
    }
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