AndroidApp/SharedDataManager.java

package com.example.myapplication.model;

import java.util.ArrayList;
import java.util.List;

// SharedDataManager.java
public class SharedDataManager {
    private static SharedDataManager instance;
    private String imagePath ="-1";
    private String token="-1";
    private String user="-1";
    private String audioPath="-1";
    private String projectId="-1";
    private String unit="-1";
    private int blade=-1;
    private String partid="-1";
    private String chooseImageSource="-1";
    private String unitName="-1";
    private boolean isRecording=false;
    private boolean isUploading=false; // 新增上传状态字段

    private final List<DataChangeListener> listeners = new ArrayList<>();

    public interface DataChangeListener {
        void onImagePathChanged(String newPath);
        void onTokenChanged(String newToken);
        void onUserChanged(String newUser);
        void onAudioPathChanged(String newAudioPath);
        void onProjectIdChanged(String newProjectId);
        void onUnitChanged(String newUnit);
        void onBladeChanged(int newBlade);
        void onPartidChanged(String newPartid);
        void onChooseImageSourceChanged(String newChooseImageSource);
        void onUnitNameChanged(String newUnitName);
        void onIsRecordingChanged(boolean newisRecording);
        void onUploadingStatusChanged(boolean isUploading); // 新增上传状态变化回调


    }

    private SharedDataManager() {}

    public static synchronized SharedDataManager getInstance() {
        if (instance == null) {
            instance = new SharedDataManager();
        }
        return instance;
    }
    public boolean getIsRecording(){return isRecording;}
    public String getImagePath() {return imagePath;}
    public String getUser() { return user; }
    public String getAudioPath() { return audioPath; }
    public String getProjectId() { return projectId; }
    public String getUnit() { return unit; }
    public int getBlade() { return blade; }
    public String getPartid() { return partid; }
    public String getChooseImageSource() { return chooseImageSource; }
    public String getUnitName() { return unitName; }
    public String getToken() {return token;}
    public boolean getisUploading() {
        return isUploading;
    }

    public void setUploading(boolean uploading) {
        if (this.isUploading != uploading) {
            this.isUploading = uploading;
            notifyUploadingStatusChanged(uploading);
        }
    }
    public void setImagePath(String imagePath) {
        this.imagePath = imagePath;
        notifyImagePathChanged(imagePath);
    }

    public void setUser(String user) {
        this.user = user;
        notifyUserChanged(user);
    }

    public void setAudioPath(String audioPath) {
        this.audioPath = audioPath;
        notifyAudioPathChanged(audioPath);
    }

    public void setProjectId(String projectId) {
        this.projectId = projectId;
        notifyProjectIdChanged(projectId);
    }

    public void setUnit(String unit) {
        this.unit = unit;
        notifyUnitChanged(unit);
    }

    public void setBlade(int blade) {
        this.blade = blade;
        notifyBladeChanged(blade);
    }

    public void setPartid(String partid) {
        this.partid = partid;
        notifyPartidChanged(partid);
    }

    public void setChooseImageSource(String chooseImageSource) {
        this.chooseImageSource = chooseImageSource;
        notifyChooseImageSourceChanged(chooseImageSource);
    }

    public void setUnitName(String unitName) {
        this.unitName = unitName;
        notifyUnitNameChanged(unitName);
    }


    public void setToken(String token) {
        this.token = token;
        notifyTokenChanged(token);
    }
    public void setIsRecording(boolean isRecording) {
        this.isRecording =isRecording ;
        notifyIsRecordingChanged(isRecording);
    }
    public void addListener(DataChangeListener listener) {
        listeners.add(listener);
    }

    public void removeListener(DataChangeListener listener) {
        listeners.remove(listener);
    }

    private void notifyImagePathChanged(String newPath) {
        for (DataChangeListener listener : listeners) {
            listener.onImagePathChanged(newPath);
        }
    }

    private void notifyTokenChanged(String newToken) {
        for (DataChangeListener listener : listeners) {
            listener.onTokenChanged(newToken);
        }
    }
    private void notifyUserChanged(String newUser) {
        for (DataChangeListener listener : listeners) {
            listener.onUserChanged(newUser);
        }
    }

    private void notifyAudioPathChanged(String newAudioPath) {
        for (DataChangeListener listener : listeners) {
            listener.onAudioPathChanged(newAudioPath);
        }
    }

    private void notifyProjectIdChanged(String newProjectId) {
        for (DataChangeListener listener : listeners) {
            listener.onProjectIdChanged(newProjectId);
        }
    }

    private void notifyUnitChanged(String newUnit) {
        for (DataChangeListener listener : listeners) {
            listener.onUnitChanged(newUnit);
        }
    }

    private void notifyBladeChanged(int newBlade) {
        for (DataChangeListener listener : listeners) {
            listener.onBladeChanged(newBlade);
        }
    }

    private void notifyPartidChanged(String newPartid) {
        for (DataChangeListener listener : listeners) {
            listener.onPartidChanged(newPartid);
        }
    }

    private void notifyChooseImageSourceChanged(String newChooseImageSource) {
        for (DataChangeListener listener : listeners) {
            listener.onChooseImageSourceChanged(newChooseImageSource);
        }
    }

    private void notifyUnitNameChanged(String newUnitName) {
        for (DataChangeListener listener : listeners) {
            listener.onUnitNameChanged(newUnitName);
        }
    }
    private void notifyIsRecordingChanged(boolean newIsRecording) {
        for (DataChangeListener listener : listeners) {
            listener.onIsRecordingChanged(newIsRecording);
        }
    }
    private void notifyUploadingStatusChanged(boolean isUploading) {
        for (DataChangeListener listener : listeners) {
            listener.onUploadingStatusChanged(isUploading);
        }
    }
}