android-sdcard

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How does Android calculate cache and data size?

How is the size of cache and data calculated in the application properties? I save all my data to the SD card, but Android shows me that I\'m constantly using 4 KB, but on the SD card are about[详细]

2023-04-13 06:57 分类：问答
UI crashes after change from Charge Only to Disk Drive?

It seems that apps, or maybe it\'s just my app, that have the following required permissions: <uses-permission android:name=\"android.permission.WRITE_EXTERNAL_STORAGE\" />[详细]

2023-04-12 03:51 分类：问答
android: how can get full path of a file stored in a folder in sdcard?

I am working in and开发者_高级运维roid. i want to get the full path of a file selectedby user. my files[详细]

2023-04-12 00:20 分类：问答
Trouble saving file in SD card with special characters in filename

My application has a function to save file on SD card. Following is my code to save the file try { File mediaDir = new File([详细]

2023-04-11 23:32 分类：问答
I/O benchmarking on Android

I created my ownbenchmark for I/O but I cannot understand if it\'s real or not. Do you have a sample code to show me about performances concerning i/o?[详细]

2023-04-11 22:22 分类：问答
Accessing Storage on the Nook

The closest thing to documentation I can find having to do with file storage is this post (see below if you can\'t access it), but it leaves me with several questions.[详细]

2023-04-11 21:58 分类：问答
Can't install an app downloaded from the internet

I am having problems publishing my application through the internet. I have an application built to 1.6 or latter android system, I have published a link accessible by the mobile browser to let users[详细]

2023-04-11 18:45 分类：问答
Android: How to save/restore data

In my app I have a Linked List (I use the standard List()). I want this list to be saved to the sd card (or the phone memory) every time the user exits the app and restore it every time the user start[详细]

2023-04-10 17:35 分类：问答
Can't create External Files Dir in Android. WRITE_EXTERNAL_STORAGE is present

I tried using both my ApplicationContext and my calling Service\'s 开发者_StackOverflow社区Context to access the external directory. Unfortunately, it keeps returning null, and LogCat reports it was u[详细]

2023-04-08 04:32 分类：问答
problem in taking screenshots in android by programmatically

in my app i am taking screenshot of the current screen and save it in sdcard. but in the case screenshot is not saved in sdcard. how to take screen shot and send the captured screen shot in email as a[详细]

2023-04-07 06:21 分类：问答