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1. How does the android coordinate system define the x and y z axes?
The X axis direction is from left to right along the horizontal direction of the screen. If the mobile phone is not a square, the shorter side needs to be placed horizontally, and the longer side needs to be placed vertically.
The Y-axis direction is from the lower left corner of the screen along the vertical direction of the screen to t
according to his or her computer. After the above command executes, the screen will be stuck on the current page, please do not repeatedly hit enter to execute . 8, End log print. Mobile app After the operation is complete, you do not need to crawl the Span style= "Font-family:times New Roman" >log at the current cmd command line window, using computer shortcuts ctrl+c end print, output log Note: printing log to the same file mu
Android NDK development (8)-uninstall the app listening itself, pop up user feedback survey, androidndk
Reprinted please indicate the source:Http://blog.csdn.net/allen315410/article/details/42521251Analysis of listening and uninstalling scenarios and Principles 1. Scenario Analysis
In my previous blog, I wrote about the NDK development practice project, using the open-source LAME library to transcode MP3, w
I recently read a post Praneeth VT posted on Reddit about how he developed his first Android phone app-a GPA calculator. It can be seen that he is a novice in this programming world, so I would like to delve into how he did it, so as to facilitate learning and learn from them.Before I do, I'd like to introduce Praneeth VT first.
Graduated from Computer E
R. java internal class, and then find the strings under the corresponding values. xml file in strints. after an xml file is created, it is stored in the R. automatically Generated in java.
2. Trigger an event when you click dial-up
In this case, you need to get the button component in the Activity under src and get the information entered in the file box.
Package cn. csdn. hr. android.
Customize a pretty practical lock screen app, if you can win the user's approval, replace the system with the lock screen, is definitely a small day live entrance. This time is just a summary of the difficulties in the recent research on the Android platform's lock-screen app development.
First, the preface
The general principle of the lock screen is very simpl
The performance test simulates various normal, peak, and abnormal load conditions through automated test tools to test the system's performance indicators. And the performance of the app is getting more and more attention, let's introduce the performance test method of the app. However, the performance test is a reference value, and no matter what test method is impossible to accurately test the actual perf
Run your app这篇课程会教你:1、如何在设备上运行你的app。2、如何在模拟器上运行你的app。当然,在学习之前,你还需要知道:1、如何使用设备。2、如何使用模拟器。3、管理你的项目。In the last lesson we created an Android project. It can be run directly. When we create it, it will default to help us write a Hello world! The interface. You can see it running.At the moment of running the item, let's tak
(they use the so-called QHD high resolution to attract attention), Samsung has its own super AMOLED (and Super AMOLED Plus), LG as Apple screen provider also has several high-end models using IPs, Sony is its own BRAVIA. All of the above Android screens, screen quality (Ips/super AMOLED Plus) can barely shoulder the resolution (800*480 vs 960*640) far less than the screen quality is far inferior to the resolution.As Mr Jobs put it on the WWDC: "We ha
does run correctly, but the AVD assigned to the Android Simulator network is a NAT network, that is, The IP that runs inside the Android simulator is the re-assigned virtual IP, And if we use 127.0.0.1来 attach is not able to access the emulator internal port, then there is only one way, using the redir instruction to redirect, the simulator assigned to the Android
What is AIDL of Android? AIDL is the definition Language of Android Interface. To put it bluntly, it is defined by Android and a mechanism for inter-process communication,
It is a bit like the method that calls the Service.
Okay. The following code is used to describe
First, write an Interface
Com. xiaobin. service. IService
package com.xiaobin.service;public in
"Only for technical exchanges, without permission to prohibit the reprint"Usually app-server uses the HTTP protocol to tell the app what it needs to display the picture, text. This is one of the most common protocols. Another kind of client-side protocol, such as the news app, clicks on a focus story and app jumps to t
[Android Notes] You can take a photo on your Android phone or select an image from the album as your avatar,
1 package zhangpgil. photo; 2 3 import java. io. file; 4 import android. support. v7.app. actionBarActivity; 5 import android
guis on an android emulator or device.Download androiddraw»Android wireframe templates
If you use a penpencil before you start to take your Android app to the digital realm, then here are some ready made Android wireframe templates to help you design for some of the handset
The first step: Download 58 to help Android mobile phone version of the client installation package to the local computer. Click to download
Step Two: Install 58 to help Android mobile version of the client.
Method One:
1. The user connects the mobile phone with the computer through the data line.
2. The download t
from your finger to the screen to show that the screen is being processed to produce the touch. The shorter the time, the more hands you feel. It is said that iOS touch screen processing time than the average Android phone faster, this is not my specialty, do not know how to verify. But at the software system level, the Android display mechanism is
, if you do not remove this-W, Your data will be deleted.Here's an example of Nexus 5, with a text editor to update fastboot-w in Flash-all.bat (PC) or flash-all.sh (Mac or Linux computer) Image-hammerhead-lmy47d.zip, you need to change to update image-hammerhead-lmy47d.zip, in fact, is to remove-W, due to different equipment flash-all.bat or. SH to brush the. zip different, here you just need to remember to find the corresponding device
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