SmsManager空指针异常 [英] SmsManager Null Pointer Exception
问题描述
我试图用发送短信的 smsManager 从广播接收器
。我正在此错误说 NullPointerException异常
。我不知道什么是错。我讨厌这样的错误。
这里是我的code段
GPSTracker跟踪=新GPSTracker(背景);
MyLocation TEMP = tracker.getCurrentLocation();
字符串消息= sp.getString(auto_text,)+\\ n
+纬度:+ temp.getLatitude()+\\ nLogitude:+ temp.getLongitude();
Toast.makeText(背景下,消息,Toast.LENGTH_LONG).show();
smsManager.sendTextMessage(smsMessage.getOriginatingAddress(),
空,消息,NULL,NULL);
字符串消息不为空。它显示在致祝酒辞。
如果我替换为消息
sp.getString(auto_text,)++ temp.getLatitude()++ temp.getLongitude();
那么它工作正常。
MyLocation.java
进口android.os.Parcel;
进口android.os.Parcelable;公共类MyLocation实现Parcelable { 双纬度,经度;
公共MyLocation(){
}
公共双getLatitude(){
返回纬度;
} 公共无效setLatitude(双纬){
this.latitude =纬度;
} 公共双getLongitude(){
返回经度;
}
@覆盖
公共字符串的toString(){
返回getLatitude()+,+ getLongitude();
} 公共无效setLongitude(双经度){
this.longitude =经度;
} @覆盖
公众诠释describeContents(){
// TODO自动生成方法存根
返回0;
} @覆盖
公共无效writeToParcel(DEST包裹,INT标志){
dest.writeDouble(纬度);
dest.writeDouble(经度); }
公共静态最终Parcelable.Creator< MyLocation> CREATOR =新Parcelable.Creator< MyLocation>(){
公共MyLocation createFromParcel(包裹PC){
返回新MyLocation(PC);
} 公共MyLocation [] newArray(INT大小){
返回新MyLocation【尺寸】;
}
};
公共MyLocation(包裹PC){
纬度= pc.readDouble();
经度= pc.readDouble(); }}
LogCat中
致命异常:主要
8月2日至3日:54:22.822:E / AndroidRuntime(3124):了java.lang.RuntimeException:无法启动接收com.blogspot.uappmarket.locationbasedproject.Receiver.InCommingSmsReceiver:显示java.lang.NullPointerException
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在android.app.ActivityThread.handleReceiver(ActivityThread.java:1805)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在android.app.ActivityThread.access $ 2400(ActivityThread.java:117)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:981)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在android.os.Handler.dispatchMessage(Handler.java:99)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在android.os.Looper.loop(Looper.java:130)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在android.app.ActivityThread.main(ActivityThread.java:3683)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在java.lang.reflect.Method.invokeNative(本机方法)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在java.lang.reflect.Method.invoke(Method.java:507)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:839)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在dalvik.system.NativeStart.main(本机方法)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):因:显示java.lang.NullPointerException
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在android.os.Parcel.readException(Parcel.java:1328)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在android.os.Parcel.readException(Parcel.java:1276)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在com.android.internal.telephony.ISms $存根$ Proxy.sendText(ISms.java:369)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在android.telephony.SmsManager.sendTextMessage(SmsManager.java:87)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在com.blogspot.uappmarket.locationbasedproject.Receiver.InCommingSmsReceiver.onReceive(InCommingSmsReceiver.java:33)
8月2日至3日:54:22.822:E / AndroidRuntime(3124):在android.app.ActivityThread.handleReceiver(ActivityThread.java:1794)
我刚刚发现了这个问题的正当理由。
那就是: SmsManager.sendTextMessage()抛出NullPointerException异常
当短信超过大小限制。即字符数上限为159。
I am trying to send a text message using smsManager from a BroadCast Receiver
.I am getting this error says NullPointerException
. I do not know what is wrong with this. I am sick of this error.
here is my code segment
GPSTracker tracker = new GPSTracker(context);
MyLocation temp = tracker.getCurrentLocation();
String message = sp.getString("auto_text", "") + "\n"
+ "Latitude: "+temp.getLatitude() + "\nLogitude: "+temp.getLongitude();
Toast.makeText(context, message, Toast.LENGTH_LONG).show();
smsManager.sendTextMessage(smsMessage.getOriginatingAddress(),
null, message, null, null);
String message is not null. it is displayed in toast . If I Replace message with
sp.getString("auto_text","")+" "+temp.getLatitude()+" "+temp.getLongitude();
then it is working fine.
MyLocation.java
import android.os.Parcel;
import android.os.Parcelable;
public class MyLocation implements Parcelable{
double latitude,longitude;
public MyLocation() {
}
public double getLatitude() {
return latitude;
}
public void setLatitude(double latitude) {
this.latitude = latitude;
}
public double getLongitude() {
return longitude;
}
@Override
public String toString() {
return getLatitude()+" , "+getLongitude();
}
public void setLongitude(double longitude) {
this.longitude = longitude;
}
@Override
public int describeContents() {
// TODO Auto-generated method stub
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeDouble(latitude);
dest.writeDouble(longitude);
}
public static final Parcelable.Creator<MyLocation> CREATOR = new Parcelable.Creator<MyLocation>() {
public MyLocation createFromParcel(Parcel pc) {
return new MyLocation(pc);
}
public MyLocation[] newArray(int size) {
return new MyLocation[size];
}
};
public MyLocation(Parcel pc){
latitude = pc.readDouble();
longitude = pc.readDouble();
}
}
LogCat
FATAL EXCEPTION: main
02-03 08:54:22.822: E/AndroidRuntime(3124): java.lang.RuntimeException: Unable to start receiver com.blogspot.uappmarket.locationbasedproject.Receiver.InCommingSmsReceiver: java.lang.NullPointerException
02-03 08:54:22.822: E/AndroidRuntime(3124): at android.app.ActivityThread.handleReceiver(ActivityThread.java:1805)
02-03 08:54:22.822: E/AndroidRuntime(3124): at android.app.ActivityThread.access$2400(ActivityThread.java:117)
02-03 08:54:22.822: E/AndroidRuntime(3124): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:981)
02-03 08:54:22.822: E/AndroidRuntime(3124): at android.os.Handler.dispatchMessage(Handler.java:99)
02-03 08:54:22.822: E/AndroidRuntime(3124): at android.os.Looper.loop(Looper.java:130)
02-03 08:54:22.822: E/AndroidRuntime(3124): at android.app.ActivityThread.main(ActivityThread.java:3683)
02-03 08:54:22.822: E/AndroidRuntime(3124): at java.lang.reflect.Method.invokeNative(Native Method)
02-03 08:54:22.822: E/AndroidRuntime(3124): at java.lang.reflect.Method.invoke(Method.java:507)
02-03 08:54:22.822: E/AndroidRuntime(3124): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
02-03 08:54:22.822: E/AndroidRuntime(3124): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
02-03 08:54:22.822: E/AndroidRuntime(3124): at dalvik.system.NativeStart.main(Native Method)
02-03 08:54:22.822: E/AndroidRuntime(3124): Caused by: java.lang.NullPointerException
02-03 08:54:22.822: E/AndroidRuntime(3124): at android.os.Parcel.readException(Parcel.java:1328)
02-03 08:54:22.822: E/AndroidRuntime(3124): at android.os.Parcel.readException(Parcel.java:1276)
02-03 08:54:22.822: E/AndroidRuntime(3124): at com.android.internal.telephony.ISms$Stub$Proxy.sendText(ISms.java:369)
02-03 08:54:22.822: E/AndroidRuntime(3124): at android.telephony.SmsManager.sendTextMessage(SmsManager.java:87)
02-03 08:54:22.822: E/AndroidRuntime(3124): at com.blogspot.uappmarket.locationbasedproject.Receiver.InCommingSmsReceiver.onReceive(InCommingSmsReceiver.java:33)
02-03 08:54:22.822: E/AndroidRuntime(3124): at android.app.ActivityThread.handleReceiver(ActivityThread.java:1794)
I just found a valid reason for this problem.
That is : SmsManager.sendTextMessage() throws NullPointerException
when SMS message is over size limit. i.e. max character limit is 159.
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