file locker for android

This example describes how Android reads a file stream from a resource file and displays it. Share to everyone for your reference. Specifically as follows: In Android, if some text files, such as TXT in raw, to read directly out, put on the screen to display, you can: private void Doraw () { InputStream is = Th

1. The project document so-called list androidmanifest.xml documents. The file, but with great leverage, for example: app name. icons, app-supported version apps, and more. I'll show you the role of each of the parameters in this list file below. To access the Drawable constants of the R.java file, use the icon's ic_launcher under this constant as the app icons

in the native Android to compile the APK, compile no problem, but at run time often appear as described in the title of the exception, and then the whole program crash out. .....I have encountered this problem often because of the modification of the resource files caused by, roughly the following several ways to solve:1. Referencing a class name problem: Customizing a view to use in a layout file, assuming

Today, when I write a project, I import a jar file that I wrote, and I can't find the jar file error when I debug it:08-06 21:42:10.744:e/androidruntime (2578): java.lang.RuntimeException:Unable to instantiate activity componentinfo{ Com.example.iotlife/com.example.iotlife.mainactivity}: Java.lang.ClassNotFoundException:Didn ' t find class " Com.example.iotlife.MainActivity "on Path:dexpathlist[[zip

Three File data external storage Each Android device supports a shared "external store" that you can use to save files. This could be a removable storage medium (such as an SD card) or an internal (fixed) store. Files saved to the external store are public and can be modified by the user. Note: Files on external storage devices, all applications can access it, and can even be connected directly to the compu

This project is an Android file browser that can be browsed by music, pictures and videos. With multi-Select, open, copy, paste, delete, rename, view properties and other functions, and can also switch the list to display the effect and browse the file category, it is regrettable that the source comments are not many, the project code UTF-8 compiled version 2.3.3

This project is an Android file browser that can be browsed by music, pictures and videos. With multi-Select, open, copy, paste, delete, rename, view properties and other functions, and can also switch the list to display the effect and browse the file category, it is regrettable that the source comments are not many, the project code UTF-8 compiled version 2.3.3

Android app source code is an Android file browser that can be viewed by music, video, and image classification, This project is an android file browser that supports browsing by music, pictures, and video categories. With multiple options, open, copy, paste, delete, rename

How to deal with android methods that exceed 65536. the number of method references in a. dex file exceed 64 k, android. dexI. Problem description: The number of Dex file methods in the application exceeds the upper limit of 65536. In short, the application burst. Ii. solution: Solution 1: Use a plug-in framework such

Problem Overview: Create an androidProgramThe following error occurs: The/Android-SDK-Windows/tools/lib/proguard. cfg file is not found. Cause: The SDK is incomplete. Solution: Method 1 You can create a proguard. cfg file in the/Android-SDK-Windows/tools/lib/directory. Add the following content:

Android. mk File Syntax details Introduction:------------ This document describes the syntax of the android. mk compilation file in your C or C ++ source file. To understand them, you need to read it first.Docs/overview.html (http://hualang.iteye.com/blog/1135105)

= kilobyte/1024; - if(Megabyte ) { -BigDecimal RESULT1 =NewBigDecimal (double.tostring (kilobyte)); the returnResult1.setscale (2, bigdecimal.round_half_up). Toplainstring () + "KB"; - } - - DoubleGigaByte = megabyte/1024; + if(GigaByte ) { -BigDecimal RESULT2 =NewBigDecimal (double.tostring (megabyte)); + returnResult2.setscale (2, bigdecimal.round_half_up). Toplainstring () + "MB"; A } at -

A recent project needs to implement a Bluetooth transmission APK feature that can search around the Bluetooth phone and share files. From the need to talk about the Android phone with the Bluetooth transmission module can meet the needs, the implementation is also very simple. However, the headache is that although the general mainstream models are configured with Bluetooth module, but the Android model is

Android basic project and development: error opening trace file: No such file or directory error solution, androiddirectory This error does not affect the operation, but it seems annoying. There are several solutions: 1. xml labels are incomplete or not closed. It is common that. Eclipse does not check all xml tags. 2. It is said that the

When you develop an export project on Android, you find that you sometimes get an error, as follows: Problems were encountered during export:Error exporting Palmidentify/bin/jarlist.cache:resource is out of sync with the file system: '/palmidentify/bin/jarlist.c Ache '.Resource is out of sync with the file system: '/palmidentify/bin/jarlist.cache '. Some people s

Sometimes, we want to provide our android project to third-party developers. At this time, the most common practice is to provide a jar package and a bunch of resource files. Third-party developers can copy the resource files to the corresponding directory of the android project, reference the jar package we provide at the same time, you can use the corresponding API we provide. Please note that the jar p

When Android calls the system to crop data without returning data, the file modification time is used to determine whether the user has cut or not. The android modification time Some mobile phone prompts that the content cannot be greater than 40 kb if you set the image to be returned when you call the cropping system for a company project ), therefore, you need

re-mount the system partition to make the system partition writable. If you do not execute this operation, you cannot modify the build. prop file. Adb remount (2) Next, enter the command line of the simulator: adb shell (3) write the configuration to build. prop: echo "dalvik. vm. dexopt-flags = v = n, o = v ">/system/build. propecho "dalvik. vm. checkjni = false ">/system/build. in this way, the prop is changed to the simulator. After verification,

In general, there are three ways to store data: One is a file, one is a database, and the other is a network. Here is a description of how the Android file is stored in this article. 1. File storage data used Java in the IO operation to save and read files, but android in t

If you need a resource in Android development, use the r.drawable.** file directly. However, if at first you do not know which resource file to load, you must obtain the ID value dynamically in the program and load it. The loading process is loaded using the file name, as follows:public static String Resource_path = "a