how to unzip files on android

This example describes how Android uses sharedpreferences to store XML files. Share to everyone for your reference, specific as follows: Sharedpreferences is a lightweight storage class on the Android platform, primarily to save some of the most commonly used configurations, such as window state, typically Overloaded window state onsaveinstancestate save is typi

Android in all sets has its own security model. For details, see Android development documentation... When the application program (.apk) is installed, a userid is assigned. When the application wants to access other resources, such as files, userid matching is required. By default, files, databases, and sharedpreferen

Plist, or property list, is a common storage file format used in Apple mobile phone software development. Its essence is XML files, but it follows a certain format. For example, it contains some specified elements, such as plist, array, string, and key. Apple provides a mechanism for parsing such files, but it is a pity that it is not provided in Android developm

Capture log files tested by ANDROID apps1. Introduction to log file classification: logcat main, logcat radio, logcat events, tcpdump, and QXDM log status information on the Qualcomm platform: adb shell cat/proc/kmsg, adb shell dmesg, adb shell dumpstate, adb shell dumpsys, adb bugreport, project mode and other 2 LOG Capture details l real-time printing adb logcat-B main-v time> app. log prints the logadb l

The first two months had the privilege of attending a free training program and developing a small piece of software. Found that asynchttpclient is really useful.Straight to the theme, Android uploads files to the PHP server:1.PHP Terminal Server:2. Android Add Network permissions　　3. Android Import the following jar p

There are two types of file storage areas for Android devices:internal storage and external storage ("internal" and "external" storage). The name comes from early Android, when most Android devices offer two ways of storage: Built-in nonvolatile memory (internal storage) and removable Storage such as micro SD cards (external storage). Some devices divide permanen

Hi everyone! Today, we mainly learn about the data storage mechanism of Android. There are four main methods. Today we will introduce shared preferences, files, and network. Next we will introduce the SQLite method. As an example, it is easy: It toilet experienceOne day, I went to the computer city and suddenly felt a stomachache. Bad. You need to go to the bathroom.Before arriving at WC, I looked up a

can store more data. 2. Store database files in the SD card! What is sqlitedatabase? An instance of sqlitedatabase represents an SQLite database. Through some methods of the sqlitedatabase instance, we can execute SQL statements to add, delete, query, and modify data databases. Note that the database is private to an application, and the database name is unique in an application. What is sqliteopenhelper? According to this name, we can see that th

in eclipse,. So files eclipse will help us automatically package the apk file, usually placed in: Libs/armeabi directory, Then copy the libxxx.so to this directory so that the NDK will automatically pack the libxxx.so into the apk and install the APK after the location is placed in the your_apk_package_name/lib/directory. Android Studio is a little different, let's introduce you, the method is very simple,

in Eclipse,. So files eclipse will help us automatically package the apk file, usually placed in: Libs/armeabi directory, Then copy the libxxx.so to this directory so that the NDK will automatically pack the libxxx.so into the APK and install the apk After the location is placed in the your_apk_package_name/lib/directory. Android Studio is a little different, let's introduce you, the method is very simple,

Introduction and use of Android resource files1, the resources of the introduction: defined in the res directory: strings, colors, arrays, menus, pictures, videos, etc.; Use these resources in the application ;2, the advantages of using resources: Reduce the amount of code, at the same time for the later maintenance also brought convenience; 3, the type of resources: Directory Resource type descriptionRes/anim XML animation information, frame animati

Reading MMS files in Android apps involves a database/data of Android/COM. Android. providers. telephony/databases/mmssms. dB and a folder/data/Data/COM. Android. providers. telephony/app_parts. To back up MMS, you can copy the database and folder to the hard disk, but in th

-----------------------------------------------Package com. eboy. filereadwrite; Import Android. App. activity;Import Android. OS. Bundle;Import Android. OS. environment;Import Android. View. view;Import Android. widget. Button;Import A