Little Gray is an Android little white, although his technology is very vegetables now, but he has the same spirit of specialized research, I believe that one day he will eventually realize his ideal, the ear can not help but ring the march of the volunteers.
Recently, he was confronted with a question about the Android launch mode, which he thought about for a long time, but in the end he was confused. So he came to consult his teacher, Rhubarb.
The teacher heart can not help but praise, small gray this just learn a few days ah, began to study the start mode, it seems that progress is really fast.
In the face of the teacher’s questions, Xiao Grey is also a prepared person, he said it fluently.
Below, rhubarb teacher again offered his effort to draw two cattle nine tigers (really too realistic).
Looking at this picture, Gray seems to understand something. He is thoughtful and seems to have a deeper understanding of standard’s startup mode. Then, rhubarb teacher and small gray to see the following picture.
As shown in the figure below, if Activity A is not at the top of the stack, A new Activity A is created at the top of the stack.
The answer is in the next article: It takes only a minute to fully understand the Activity lifecycle