Android sliding scroll bar to adjust the volume, android scroll bar
Use scroll bar sliding to control the volume:
Definition:
1 private SeekBar mseekBarvolume;
The following code is used:
1
C ++ programming ideology (Volume 1) read and summarize, programming ideology volume 1
I recently went to work idle and read the section "C ++ programming ideas" I think is the most helpful part for me. I will leave it for my own review, on the other hand, I will share with my friends:
Recently in the customization of the Android system volume bar, found that the code is quite a bit, summarized below.The code is based on the 5.1.1 version.The code for the system volume bar is in/frameworks/base/packages/systemui/src/com/android/systemui/volume/volumepanel.
user to adjust, the adjustment button is 1.png, but 1.png is a 1x1 near invisible picture, while using settouchenabled (false) to lock this button, Disable user throttling controlslider->settouchenabled (false); This->addchild (controlslider,0,1);//Add this control to the scene, Also set tag to 1return true;} void Helloworld::valuechange (ccobject* psender,cccontrolevent event) {//This HelloWorld:: The nam
Some Android devices do not have an entity's volume adjustment button, or from the point of view of protecting the body keys, you need to add a volume plus minus adjustment button to the virtual keys in the navigation bar.Here I recommend the more good Android source fragment website: http://code.662p.com/list/173_1.htmlThe effect is as follows:The implementation process is as follows:
Android android source code case when adding the volume plus/minus button in the navigation bar, Android android
Some Android devices do not have a volume adjustment button for the entity, or you need to add a volume addition or subtraction button to the virtual buttons in the navigation
iOS animation to simulate the volume vibration bar, that is, the use of Careplicatorlayer implementation, the following detailed introduction of Careplicatorlayer and implementation methods.
Volume Vibrating Bar
Effect Chart:
How to achieve it?
Create 3 layer, play the y-axis zoom animation sequentially
Using Ca
During this period, I read volume 1 in "TCP/IP details". The biggest feature of this book is that it uses the tcpdump program to capture various network packages, this gives us a definite understanding of the protocols and Algorithms in each layer of the network. It is the protocol discussed in this book and its hierarchy.
1. TCP/IP protocol network hierarchy
The
", how can you gain a glimpse of your fate? -- Bring him and let him face each other ."
In the case of Taoism alone, even if this pot is not as good as Luo jinxian, it is also the same as Xiaoyao xianxian. He is the ancestor of Ji Xian's division, and he is not at all accurate. He shouldn't have seen the younger generation of Ji Xian.Knowledge. However, in the face of the contempt of the apprentice and the arrogance of Ji Xian, it is a fire of Buddha.
This chapter and the three chapter GIT usage has the connection, so, bar last chapter git basic usage to do well again, the concrete method is reads the net to check, here does not do the detailed step introduction.This chapter is a bit of meaning, is the source of the download and compilation, can see, can tinker, this chapter describes the method, can be analogous to other. Android has been mainly the migration of the Linux kernel, the Linux migrati
chunk. Therefore, in the case of sparse distribution of _id, this kind of query method is completely inapplicable. 3, _id distribution is uneven. There may be almost 5,000 full loads in one chunk, and some chunk only a few _id effective. It can result in uneven distribution of computing resources. The final result is not ideal, and I started off with more than 16 hours of time because of some join operations involved in the table. Later, the various adjustments, add threads, remove some operati
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