Android obtains the total capacity of the SD card, available size, total body memory capacity and available size, and androidsd

Android obtains the total capacity of the SD card, available size, total body memory capacity and available size, and androidsd Public long getSDTotalSize () {/* get the memory card path */File sdcardDir = Environment. getExternalStorageDirectory ();

Units are seconds since 1970., unitsseconds

Units are seconds since 1970., unitsseconds In the actual development process of Android, we often encounter a date in seconds. In this case, we can format them as needed. The specific steps are as follows: LongSeconds = Long.ParseLong("14058896995

Eclipse exception Unhandled event loop exception No more handles, unhandledhandles

Eclipse exception Unhandled event loop exception No more handles, unhandledhandles Eclipse exception: org.eclipse.swt.SWTError: No more handlesat org.eclipse.swt.SWT.error(SWT.java:4387)at org.eclipse.swt.SWT.error(SWT.java:4276)at

Java 8: how to perform stream reduce and collection operations

Java 8: how to perform stream reduce and collection operations The Java 8 JDK contains many aggregate operations such as average, sum, minimum, maximum, and count. The aggregation result of a stream is returned. These aggregate operations are

Android RoboGuice open-source framework, Butter Knife open-source framework analysis, androidroboguice

Android RoboGuice open-source framework, Butter Knife open-source framework analysis, androidroboguiceGoogle Guice on Android (RoboGuice) today introduces Google's open-source framework, RoboGuice. Its role is almost the same as the previous Dagger

[Interview Questions] Android interview questions, questions android questions

[Interview Questions] Android interview questions, questions android questions Android interview questions The interview questions collected on the Internet are a good supplementary study of Android theory! 1. Whether the process of android dvm is

Android interview questions, android interview

Android interview questions, android interview1. How to Improve the sliding efficiency of ListView2. Let's talk about the architecture of the project package (networking, parsing, activity, database ).3. how to load a large number of images

Android reverse engineering tool Dare usage (in Mac OS X), android Reverse Engineering

Android reverse engineering tool Dare usage (in Mac OS X), android Reverse Engineering In fact, this log is very simple. Try to finish it in two sentences. Dare is an apk reverse engineering tool released by the computer department of the University

Android news client source code download: Android news client source code, android news Client

Android news client source code download: Android news client source code, android news ClientIntroduction Android news client source code, which has the following functions: News, attention, newspaper reading, and Weibo. The newspaper reading

Android Kernel Download Method in Mac OS X, androidkernel

Android Kernel Download Method in Mac OS X, androidkernel In the previous log, I summarized the methods for downloading the Android source code. Here I will briefly summarize the kernel download methods. Refer to the introduction here: http://source.

Blocking the strange problem caused by fake Telecom advertisements-Android WebView cannot load pages for a long time

It was found that it was slow to open the website using WebView In the Android App at home, and there would be a dozen or more seconds of cards. However, opening the same web page on a computer is fast. The process of searching for this problem is

License Plate positioning-Color Segmentation

License Plate positioning is the first and most important step in License Plate Recognition. Due to the diversity and different colors of Chinese license plates, coupled with frequent damage to license plates, and too many interference factors

Develop native Google Glasses applications

When dealing with Google Glasses, Google has two available APIs/sdks in Developer Preview or quick-start version. The first is Google Glass's Mirror API, which is based on a RESTful interface that sends cards from a remote server to the timeline

Detailed description of command pattern

Command pattern Address: http://blog.csdn.net/caroline_wendy Command pattern): Encapsulate requests into objects so that different Request \ queue \ logs can be used to parameterize other objects. The command mode also supports undo

Android tool-type Database Management

Database tool class, elegant Management of sqlite in android Package csdn. shimiso. eim. db; import java. util. arrayList; import java. util. list; import android. content. contentValues; import android. database. cursor; import android. database.

Set up Android development environment in Eclipse3.7 document tutorial and video tutorial

1. Download Eclipse3.7, log on to http://www.eclipse.org/downloads/, and download eclipse Classic 3.7: 2. Install the ADT plug-in: Download Eclipse and decompress it. Run Eclipse. The first time you run the plug-in, you will be prompted to set the

Two encryption algorithms required for Android Network Transmission: MD5 and RSA (with java to complete the test code)

MD5 and RSA are the two most commonly used algorithms in network transmission. After understanding the principles of these two algorithms, you can get a general idea of what encryption is like. However, these two algorithms use different

Android expansion series (10)-use Android Studio to read the entire Android source code

I have been reading the android source code with source insight in windows, and the results are very good.Later, ssh + vim was used for remote servers and network restrictions. Currently, this method is mainly used.Recently I found a good thing

Json transmission and resolution between the Android client and the server (jsp) [with source code]

Recently, a project needs to use json transmission. I didn't know much about it before. I found some related information on the Internet and wrote a small demo to implement the basic functions: the android client sends a json message to the server.

Android BLE development-search for iBeacon base stations on Android phones

This article from http://blog.csdn.net/hellogv/, reference must indicate the source! Last time I talked about communication between Android phones and BLE terminals, and the most common BLE terminal should be the iBeacon base station proposed by

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