Method run

xutils/src/main/java/org/xutils/common/task/TaskProxy.java:57–90

()

                task.getPriority(),
                new Runnable() {
                    @Override
                    public void run() {
                        try {
                            // 等待过程中取消
                            if (callOnCanceled || TaskProxy.this.isCancelled()) {
                                throw new Callback.CancelledException("");
                            }

                            // start running
                            TaskProxy.this.onStarted();

                            if (TaskProxy.this.isCancelled()) { // 开始时取消
                                throw new Callback.CancelledException("");
                            }

                            // 执行task, 得到结果.
                            task.setResult(task.doBackground());
                            TaskProxy.this.setResult(task.getResult());

                            // 未在doBackground过程中取消成功
                            if (TaskProxy.this.isCancelled()) {
                                throw new Callback.CancelledException("");
                            }

                            // 执行成功
                            TaskProxy.this.onSuccess(task.getResult());
                        } catch (Callback.CancelledException cex) {
                            TaskProxy.this.onCancelled(cex);
                        } catch (Throwable ex) {
                            TaskProxy.this.onError(ex, false);
                        } finally {
                            TaskProxy.this.onFinished();
                        }
                    }
                });
        this.executor.execute(runnable);
        return null;