android发送短信

import android.telephony.SmsManager; //导入方法依赖的package包/类

private void toSendSMS(Context context, String phoneNumber, String content) {
if (context == null) {
throw new IllegalArgumentException("context can not be null.");
}
PendingIntent sentIntent = PendingIntent.getBroadcast(context, 0, new Intent(), 0);
SmsManager smsManager = SmsManager.getDefault();

if (content.length() >= 70) {
    //短信字数大于70，自动分条
    List ms = smsManager.divideMessage(content);
    for (String str : ms) {
        //短信发送
        smsManager. sendMultipartTextMessage(phoneNumber, null, str, sentIntent, null);
    }
} else {
    smsManager.sendTextMessage(phoneNumber, null, content, sentIntent, null);
}

}