android线程管理

来源：互联网发布：移动互联网数据编辑：程序博客网时间：2024/04/28 07:07
public class TaskManager {   public String tag = "TaskManager";   public List<TaskModel> taskList = new ArrayList<TaskModel>();   private static TaskManager instance;   private TaskManager() {   }   public static synchronized TaskManager getTaskManagerInstance() {      if (instance == null) {         instance = new TaskManager();      }      return instance;   }   /**    * 添加线程    */   public void addTask(String tagString,BaseTask task){      try {         TaskModel taskModel = new TaskModel();         taskModel.tagString = tagString;         taskModel.task = task;         taskModel.creatTime = System.currentTimeMillis();         taskList.add(taskModel);//       LogUtil.e("******addTask*******"+ System.currentTimeMillis());      } catch (Exception e) {         // TODO: handle exception         e.printStackTrace();      }   }   /**    * 关闭所有还在运行的线程    */   public void cancelAllTasks(){      for(int i=0;i<taskList.size();i++){         try {            TaskModel taskModel = taskList.get(i);            if(taskModel.task!=null){               taskModel.task.cancel(true);            }         } catch (Exception e) {            // TODO: handle exception            e.printStackTrace();         }      }      taskList.clear();   }   /**    * 关闭tagString所标识的Activity或者Fragment中所有还在运行的线程    * @param tagString    */   public void cancelLimitTasks(String tagString){      List<TaskModel> taskModels = new ArrayList<TaskModel>();      for(int i=0;i<taskList.size();i++){         try {            TaskModel taskModel = taskList.get(i);            if(taskModel.tagString.equals(tagString)&&taskModel.task!=null){               long time = System.currentTimeMillis()-taskModel.getCreatTime();               if (time>500){                  taskModel.task.cancel(true);                  taskModels.add(taskModel);//                LogUtil.e("******cancelLimitTasks*******"+ System.currentTimeMillis());               }            }         } catch (Exception e) {            // TODO: handle exception            e.printStackTrace();         }      }      for (int i=0;i<taskModels.size();i++){         try {            taskList.remove(taskModels.get(i));         }catch (Exception e){            e.printStackTrace();         }      }   }   /**    * 关闭一个还在运行的线程    */   public void cancelOneTasks(BaseTask task){      for(int i=0;i<taskList.size();i++){         try {            TaskModel taskModel = taskList.get(i);            if(taskModel.task!=null&&taskModel.task==task){               taskModel.task.cancel(true);               taskList.remove(taskModel);//             LogUtil.e("******cancelOneTasks*******"+ System.currentTimeMillis());               break;            }         } catch (Exception e) {            // TODO: handle exception            e.printStackTrace();         }      }   }   /**    * 移除task    * @param task    */   public void removeTask(BaseTask task){      for(int i=0;i<taskList.size();i++){         try {            TaskModel taskModel = taskList.get(i);            if(taskModel.task!=null&&taskModel.task==task){               taskList.remove(taskModel);               break;            }         } catch (Exception e) {            // TODO: handle exception            e.printStackTrace();         }      }   }   public class TaskModel{      long creatTime;      String tagString;      BaseTask task;      public long getCreatTime() {         return creatTime;      }      public void setCreatTime(long creatTime) {         this.creatTime = creatTime;      }      public String getTagString() {         return tagString;      }      public void setTagString(String tagString) {         this.tagString = tagString;      }      public BaseTask getTask() {         return task;      }      public void setTask(BaseTask task) {         this.task = task;      }   }}
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