//固定屏幕模式下，如果目标Activity的Task不是固定的那个Task，中断打开if (isLockTaskModeViolation(intentActivity.task)) { return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; }//保存已存在的Activity的实例到目标ActivityRecord中if (r.task == null) { r.task = intentActivity.task;}//将目标Activity所属的ActivityStack移动到前台targetStack = intentActivity.task.stack;targetStack.mLastPausedActivity = null;targetStack.moveToFront(\"intentActivityFound\
final TaskRecord sourceTask = sourceRecord.task;if (isLockTaskModeViolation(sourceTask)) { return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION;}targetStack = sourceTask.stack;targetStack.moveToFront(\"sourceStackToFront\
