Android 如何将字符串数据从服务传递到片段?
我有一个在后台运行计时器的服务,我希望数据被传递到我的片段,以便在那里显示计时器。如果我关闭我的应用程序并再次打开它,我希望看到我的编辑文本以显示计时器。如有任何答复,将不胜感激 这是我的服务Android 如何将字符串数据从服务传递到片段?,android,android-fragments,service,timer,Android,Android Fragments,Service,Timer,我有一个在后台运行计时器的服务,我希望数据被传递到我的片段,以便在那里显示计时器。如果我关闭我的应用程序并再次打开它,我希望看到我的编辑文本以显示计时器。如有任何答复,将不胜感激 这是我的服务 public class MyService extends Service { private Vibrator v; //private static Timer timer = new Timer(); NotificationCompat.Builder notifica
public class MyService extends Service {
private Vibrator v;
//private static Timer timer = new Timer();
NotificationCompat.Builder notification;
private static final int uniqueID = 71399;
@Override
public void onCreate() {
super.onCreate();
notification = new NotificationCompat.Builder(this);
notification.setAutoCancel(true);
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
SharedPreferences sharedPreferences = getSharedPreferences("Timer", Context.MODE_PRIVATE);
int dur = sharedPreferences.getInt("duration", 0);
//background timer
CountDownTimer countDownTimer = new CountDownTimer(dur, 1000) {
@Override
public void onTick(long dur) {
long millis= dur;
String hms= String.format("%02d:%02d:%02d",
TimeUnit.MILLISECONDS.toHours(millis),
TimeUnit.MILLISECONDS.toMinutes(millis) - TimeUnit.HOURS.toMinutes(TimeUnit.MILLISECONDS.toHours(millis))
//seconds
,TimeUnit.MILLISECONDS.toSeconds(millis) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millis))
);
startnotif(hms);
}
@Override
public void onFinish() {
long n[] = {1,1000,500,1000,500,1000,500,1000,500,1000,500,1000,500,1000,500,1000,500,1000};
v = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
v.vibrate(n, -1);
endnotif();
onDestroy();
}
};
countDownTimer.start();
return START_STICKY;
}
public void onDestroy() {
stopSelf();
}
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
//notification
public void startnotif(String hms)
{
String noT = hms;
notification.setSmallIcon(R.mipmap.ic_launcher);
notification.setTicker("apps are blocked!");
notification.setWhen(System.currentTimeMillis());
notification.setContentTitle("Be productive!");
notification.setContentText(hms);
ClickNotif();
}
public void endnotif(){
notification.setContentText("00:00");
notification.setTicker("apps are now unblocked!");
notification.setWhen(System.currentTimeMillis());
notification.setContentTitle("You survived!");
notification.setContentText("Apps are now unblocked!");
ClickNotif();
}
public void ClickNotif(){
Intent intent1 = new Intent(this, MainActivity.class);
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent1, PendingIntent.FLAG_UPDATE_CURRENT);
notification.setContentIntent(pendingIntent);
NotificationManager nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
nm.notify(uniqueID, notification.build());
}
}
这是片段。我计划删除这个片段上的倒计时,因为我将在服务上使用计时器
public class page2 extends Fragment {
private static final String TAG = "page2";
private Button btntest;
private TextView timer,tv;
private Spinner spinner, spinner2;
public int hours, mins, duration;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.page2_fragment,container,false);
btntest = (Button) view.findViewById(R.id.button2);
timer = (TextView) view.findViewById(R.id.Timer);
tv = (TextView) view.findViewById(R.id.textView3);
//setting up 2 spinners
spinner = (Spinner) view.findViewById(R.id.spinner1);
String [] values = {"00","01","02","03","04","05","06"};
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this.getActivity(), android.R.layout.simple_spinner_item, values);
adapter.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line);
spinner.setAdapter(adapter);
spinner2 = (Spinner) view.findViewById(R.id.spinner2);
String [] values2 = {"00","01","10","20","30","40","50","60"};
ArrayAdapter<String> adapter2 = new ArrayAdapter<String>(this.getActivity(), android.R.layout.simple_spinner_item, values2);
adapter2.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line);
spinner2.setAdapter(adapter2);
//button start
btntest.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String spin=spinner.getSelectedItem().toString();
hours = Integer.parseInt(spin);
hours = hours*3600000;
String spin2=spinner2.getSelectedItem().toString();
mins = Integer.parseInt(spin2);
mins = mins*60000;
duration = hours+mins;
setParam(duration);
startService(duration);
}
});
return view;
}
//timer part
public void setParam(int param){
CountDownTimer countDownTimer = new CountDownTimer(param, 1000) {
@Override
public void onTick(long param) {
long millis= param;
String hms= String.format("%02d:%02d:%02d",
TimeUnit.MILLISECONDS.toHours(millis),
TimeUnit.MILLISECONDS.toMinutes(millis) - TimeUnit.HOURS.toMinutes(TimeUnit.MILLISECONDS.toHours(millis))
//seconds
,TimeUnit.MILLISECONDS.toSeconds(millis) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millis))
);
timer.setText(hms);
}
@Override
public void onFinish() {
timer.setText("00:00");
}
};
countDownTimer.start();
}
//saving data and passing intent to service
public void startService(int duration)
{
int d = duration;
SharedPreferences sharedPreferences = getActivity().getSharedPreferences("Timer", Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sharedPreferences.edit();
editor.putInt("duration", d);
editor.apply();
Intent intent = new Intent(getActivity(),MyService.class);
getActivity().startService(intent);
Toast.makeText(getActivity(), "Intent passed and preferences saved!"+d,Toast.LENGTH_SHORT).show();
}
}
公共类page2扩展了片段{
私有静态最终字符串TAG=“page2”;
私人按钮测试;
私人文本视图定时器,电视;
私人纺纱机纺纱机,纺纱机2;
公共整数小时,分钟,持续时间;
@可空
@凌驾
创建视图时的公共视图(LayoutFlater充气机、@Nullable ViewGroup容器、@Nullable Bundle savedInstanceState){
视图=充气机。充气(R.layout.page2_碎片,容器,错误);
btntest=(按钮)view.findViewById(R.id.button2);
timer=(TextView)view.findViewById(R.id.timer);
tv=(TextView)view.findViewById(R.id.textView3);
//设置2个纺纱机
微调器=(微调器)视图.findViewById(R.id.spinner1);
字符串[]值={“00”、“01”、“02”、“03”、“04”、“05”、“06”};
ArrayAdapter=新的ArrayAdapter(this.getActivity(),android.R.layout.simple\u微调器\u项,值);
adapter.setDropDownViewResource(android.R.layout.simple\u dropdown\u item\u 1line);
旋转器。设置适配器(适配器);
spinner2=(Spinner)view.findViewById(R.id.spinner2);
字符串[]值2={“00”、“01”、“10”、“20”、“30”、“40”、“50”、“60”};
ArrayAdapter adapter2=新的ArrayAdapter(this.getActivity(),android.R.layout.simple\u微调器\u项,值2);
adapter2.setDropDownViewResource(android.R.layout.simple\u dropdown\u item\u 1line);
喷丝头2.设置适配器(适配器2);
//按钮启动
btntest.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图){
字符串spin=spinner.getSelectedItem().toString();
小时=整数.parseInt(自旋);
小时=小时*3600000;
String spin2=spinner2.getSelectedItem().toString();
mins=Integer.parseInt(spin2);
分钟=分钟*60000;
持续时间=小时+分钟;
setParam(持续时间);
startService(持续时间);
}
});
返回视图;
}
//定时器部件
公共void setParam(int param){
CountDownTimer CountDownTimer=新的CountDownTimer(参数,1000){
@凌驾
公共void onTick(长参数){
长密度=参数;
String hms=String.format(“%02d:%02d:%02d”,
时间单位。毫秒。至小时(毫秒),
TimeUnit.millides.toMinutes(毫秒)-TimeUnit.HOURS.toMinutes(TimeUnit.millides.toHours(毫秒))
//秒
,TimeUnit.millizes.toSeconds(毫秒)-TimeUnit.MINUTES.toSeconds(TimeUnit.millizes.toMinutes(毫秒))
);
timer.setText(hms);
}
@凌驾
公共无效onFinish(){
timer.setText(“00:00”);
}
};
countDownTimer.start();
}
//保存数据并将意图传递给服务
公共无效startService(整数持续时间)
{
int d=持续时间;
SharedReferences SharedReferences=getActivity().GetSharedReferences(“Timer”,Context.MODE\u PRIVATE);
SharedReferences.Editor=SharedReferences.edit();
编辑:putInt(“持续时间”,d);
editor.apply();
Intent Intent=新的Intent(getActivity(),MyService.class);
getActivity().startService(intent);
Toast.makeText(getActivity(),“传递了意图并保存了首选项!”+d,Toast.LENGTH\u SHORT.show();
}
}
提前感谢。尝试使用EventBus库,您可以将消息作为普通或固定事件发送,也许它可以解决您的问题:)在您的情况下,有许多方法可以更新editText
尽可能多的我不想使用图书馆。但是谢谢!或者您可以使用BroadcastReceiver,onBind用于连接您的活动和服务,有很多方法可以实现您的目标。您可以使用BroadcastReceiver将数据发送到fragment