android default file manager

external storage media is very poor, so you must check its availability before use, if you can use Final String state = Environment.getexternalstoragestate (); B. Get the directory gets the path to the external storage card In fact, the path to the external memory card is "/mnt/sdcard", so you can access it directly by writing to it. Given the readability and portability considerations, it is recommended to write this: File S

libraries. For example, Google Play Services may provide translation for other languages, and your app does not need translation for this language, the Library also contains the mdpi resource files not supported by my app.Fortunately, you can configure the build system of your app from Android Gradle Plugin 0.7. This is mainly through the configurationresConfigAndresConfigsAnd the default configuration opt

, Google Play Services, and Facebook SDK. However, not all resource files are used in these libraries. For example, Google Play Services may provide translation for other languages, and your app does not need translation for this language, the Library also contains the mdpi resource files not supported by my app. Fortunately, you can configure the build system of your app from Android Gradle Plugin 0.7. This is mainly through the configurationresConfi

============ Problem Description ============Because learning needs to look at the old Luo's video about the data stored in the SD card to write the part of the file to almost completely comply with the knock code results on the pad test and expected to have a difference originally should be stored in the SD card file results ran to the pad to bring in memory go ...And then I tried to write the path directl

ObjectiveIn recent projects, XML has used some properties that might not normally be used too often, possibly involving androidmanifest.xml, layout layouts, or to specific controls!Androidmanifest.xml① Add a tag in the Androidmanifest.xml file，The xxx.xxx.xxx is a third-party library package name, and if there are multiple libraries, separate them with commas. This is done so that the minimum version limit can be ignored for androidmanifest.xml in the

Android Chinese source file Shape usage Summary In Android development, we often use Shape to define various shapes. First, let's take a look at what labels under Shape mean: Solid: FillAndroid: color specifies the fill color Gradient: gradientAndroid: startColor and android: endColor are the start and end colors respe

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

This article illustrates the intent and usage of the open file of Android programming development. Share to everyone for your reference, specific as follows: In writing file management system will be used to open a variety of different formats of the file requirements, because the

In the past few days, we have implemented an APK version update function, and found that it involves a lot of things. I have written the relevant content into a relatively independent category for future reference and share it with you. You are welcome to criticize and correct it. The following classes are implemented: (1) File Download: a custom class is designed. You only need to input a Handler, URLStr, storage path, and download function. Handler

is in the system directory, even if it can be manipulated, access to files in this directory is meaningless, such as I write a photo album program, the picture must be placed in the external storage, and if I want to save some of the app's settings data, I was placed in the internal storage of the database directory, So in fact, in the Android file management, we are operating the absolute path.File classT

, but we seem to have no way to operate this path, Because the APK is in the system directory, even if it can be manipulated, access to files in this directory is meaningless, such as I write a photo album program, the picture must be placed in the external storage, and if I want to save some of the app's settings data, I was placed in the internal storage of the database directory, So in fact, in the Android file