file sharing apps for android

How do you get rid of images loaded in Android apps and some data caches? Recently in the project encountered this problem, search the Internet to find a lot of source code, the synthesis of these sources, the following to tell us how to effectively clear the application memory cache information? The purge application internal cache consists of the following major modules: One, clear apply all local Datab

You can encapsulate HTML5 into an android APK file by using the following methods, More and more developers are keen to use html5 + JavaScript to develop mobile Web apps. However, it is still unknown whether HTML5 Web apps can replace mobile apps in the future. On the one ha

file in the generated APK file and you need to follow the. so file.The ABI supported by Android apps depends on the. So file in the Lib/abi directory in the APK, where the ABI may be one of the seven Abi mentioned above.Native Libs Monitor This app can help us understand wh

. webview in Android SDK 1. instantiate the webview component in the activity: webview = new webview (this );2. Call the webview loadurl () method to set the web page to be displayed in wevview:For Internet: webview. loadurl ("http://www.31358.com ");Local file: webview. loadurl ("file: // android_asset/xx.html"); local files are stored in the assets

Analysis of App engineering files For information on how to create one of the simplest Android apps please refer to the link: Android Learning Notes (i) Environmental installation and the first Hello World http://www.jb51.net/article/52593.htm The completed engineering files are shown in the following illustration, and some of the major documents are analyzed

Android for JNI (vi)--cross-compiling, NDK overview and file structure, writing your own first JNI project Finally back to our Android, we have to configure this NDK environment, but before we have to understand the basic terminology I. Cross-compilation Compile a binary program that can be executed by another platform under one platform

the app is uninstalled, or it can be cleared manually by the user in the Settings screen.Public Storage (SD card)Access method: Environment.getexternalstoragedirectory ()Absolute path: sdcard/You set the folder name/Write permission: Need to applyIf our app needs to store some public files, even the files we want to download can be used by other apps even after our app has been deleted, then you can use this directory. This directory is always requir

installation package. In Windows, it is difficult to extract installed programs into an installation package. However, Android and Windows are very different. We can extract installed apps from Android as the Apk installation package. Let's take a look at how to do it. Extract Apk directly from the root directory Download the new version of manager seri

written and C + + code into the corresponding platform of the dynamic library, Windows is generally a DLL file, Linux is generally so file, and then use Java code to invoke the function in the dynamic library. Applications that use JNI later lose the cross-platform nature of Java, and the compiled dynamic libraries only support their respective platforms.Third, Aidl folderThe Aidl folder is a folder for st

Problems that you may encounterThe Android system itself has its own storage, and the SD card can be used to expand the storage space. The former is like the hard disk in PC, the latter is good to move hard. The former space is small, the latter space is large, but the latter is not necessarily available. These issues may be encountered when developing applications that handle local data access: Need to determine whether the SD card is availa

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 types of storage: built-in nonvolatile memory (internal storage) and removable Storage such as micro SD cards (ex

Introduction:-----------------------------To compile C \ C ++ code into a SO file, you still need an Application. mk file.This document describes how to use the Application. mk syntax of the local module required by your Android Application. Application. mk is used to describe the modules required in your Application (static or dynamic library ). The Application. mk fil