我喜欢通过通知服务将数据从 ServicesActivity.java 传递到 NotificationView.java。但是第一次传递的数据是正确的，当我向它发送另一个数据时，它并没有更新它以前的数据。正如你所看到的，下面的 logcat 输出，第一次，我将两个数据发送到通知中并输出它在 NotificationView.java 处传递是没有问题的。之后，我重新向其中发送三个数据，它在 NotificationView.java 处的输出仍然是两个数据。无论我将多少数据发送到通知中，它在 NotificationView.java 的输出仍然遵循它的第一次输出。这里是 logcat 输出：
11-21 10:42:03.645: D/String(25694): admin,admin
11-21 10:42:33.645: D/String(25694): admin,admin,admin
11-21 10:42:06.308: D/how(25694): admin,admin
11-21 10:42:36.518: D/how(25694): admin,admin
** Log.d("String",str) 位于 ServicesActivity.java 的 displayNotification() 中，Log.d("how",i) 位于 NotificationView.java。
服务活动.java
public class ServicesActivity extends Activity {
IntentFilter intentFilter;
int notification = 1;
String datapassed;
String str = "";
String[] data;
int dlength;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_services);
intentFilter = new IntentFilter();
intentFilter.addAction(MyService.MY_ACTION);
registerReceiver(intentReceiver, intentFilter);
}
public void startService(View view){
startService(new Intent(getBaseContext(),MyService.class));
Toast.makeText(getBaseContext(), "start",
Toast.LENGTH_SHORT).show();
}
public void stopService(View view){
stopService(new Intent(getBaseContext(),MyService.class));
Toast.makeText(getBaseContext(), "stop",
Toast.LENGTH_SHORT).show();
}
private BroadcastReceiver intentReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
datapassed = intent.getStringExtra("DATAPASSED");
if(datapassed.length()>0){
data = datapassed.split("[*]");
dlength = data.length;
for(int i=0;i<dlength;i++){
if(i==dlength-1){
str += String.valueOf(data[i]);
}else{
str += String.valueOf(data[i]) + ",";
}
}
Log.d("dataServices",str);
displayNotification();
str = "";
}
}
};
protected void displayNotification(){
Intent i = new Intent(this,NotificationView.class);
i.putExtra("notification", notification);
i.putExtra("name",str);
Log.d("String",str);
PendingIntent pi = PendingIntent.getActivity(this, 0, i, 0);
NotificationManager mnotis =(NotificationManager)getSystemService(NOTIFICATION_SERVICE);
Notification notis = new Notification(R.drawable.notices2,"Reminder:You have " + dlength + " new friend request",System.currentTimeMillis());
notis.setLatestEventInfo(this,"Friend Request", str + "has sent you a friend request",pi);
notis.vibrate = new long[]{100,250,100,500};
mnotis.notify(0, notis);
}
}
NotificationView.java
public class NotificationView extends Activity{
String[] people;
ListView lv;
Button btn1,btn2;
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.view);
NotificationManager mnotis =(NotificationManager)getSystemService(NOTIFICATION_SERVICE);
mnotis.cancel(getIntent().getExtras().getInt("notificationID"));
String i = getIntent().getExtras().getString("name");
people = i.split("[,]");
Log.d("how",i);
lv= (ListView) findViewById(android.R.id.list);
btn1 = (Button)findViewById(R.id.acceptbtn);
btn2 = (Button)findViewById(R.id.closebtn);
ArrayAdapter<String> list = new ArrayAdapter<String>(NotificationView.this,R.layout.friendlist_item, R.id.friend_name,people);
lv.setAdapter(list);
btn2.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
finish();
}
});
}
}