/**
* 执行后台任务
*
* @param bgTask
* @param timeout 毫秒
* @param mayInterruptIfRunning 是否打断已存在的任务(true 打断存在的任务并运行新任务，false 不打断已存在的任务，不运行新的任务)
*/
public void run(final BgTask bgTask, int timeout, boolean mayInterruptIfRunning) {
if (Looper.myLooper() != Looper.getMainLooper()) {
throw new RuntimeException("must be called in UI thread!");
}
if (bgTask == null) {
return;
}
if (mayInterruptIfRunning) {
cancel(bgTask);
}
Future<?> exists = getFuture(bgTask);
if (exists == null) {
final Future<?> future = cachedThreadPool.submit(bgTask);
BG_TASK_TABLE.put(bgTask, future);
if (timeout > 0) {
uiHandler.postDelayed(
new Runnable() {
@Override
public void run() {
cancel(bgTask);
}
},
timeout);
}
CLLog.d(TAG, "added task=" + bgTask);
} else {
CLLog.d(TAG, "discard task=" + bgTask);
}
}
public boolean cancel(BgTask bgTask) {
boolean result = false;
Future<?> f = getFuture(bgTask);
if (f != null) {
result = f.cancel(true);
CLLog.d(TAG, "cancel task: " + bgTask + "; result=" + result);
}
return result;
}