Android event distribution mechanism - handling sliding conflicts
Before reading this article, it is recommended to read it first Android event distribution mechanism (1) - source code analysis_ z936689039 blog - CSDN blog
1. Case 1
We have to use the ps summary found in ViewGroup:
1. When ACTION_MOVE and action_ When the up event arrives, if no child element handles the event (mFirstTouchTarget==null), ...
Posted by clueless_rob on Mon, 29 Nov 2021 02:30:10 -0800
Python_ Tkinter (button, text box, multiline text component)
Used to define button components in the gui interface
tkinter.Button
](Parent component for storage,attribute parameter...)
Component 1 button
It has the following properties:
EG1:
from tkinter import *
root = Tk()
root.title("Window title")
# Whether the window size can be changed, width and height. True indicates that it can b ...
Posted by adityakonda on Fri, 26 Nov 2021 01:27:55 -0800
Android Studio code Notes - USB interface, reading and writing files, string segmentation, input device information, etc
USB interface
Universal Serial Bus (USB) is not only a serial bus standard, but also a technical specification of input and output interfaces. It is widely used in information communication products such as personal computers and mobile devices, and extended to photography equipment, digital television (set-top box), game consoles and o ...
Posted by jpaloyo on Thu, 04 Nov 2021 17:04:47 -0700
"21 days of good habits" phase I-4
I learned BroadcastReceiver from my teacher today. Let's record it.
Send standard broadcast (use static registration, that is, manually write the registration code in AndroidManifest.xml)
Take a look at my project structure
The MainActivity code is as follows
import android.content.ComponentName;
import android.conten ...
Posted by jb489 on Mon, 25 Oct 2021 16:05:37 -0700