how to delete unused files on android

When the hardware is maintained, someone accidentally disconnected the power supply from the production library, and after restarting the enclosure and server, an Oracle 10g 10.2.0.4 startup error message appears: The code is as follows 1 Database loading complete.ORA-01122: Database file 1 validation failedORA-01110: Data file 1: ' E:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\SYSTEM01. DBF 'ORA-01207: File newer than control file-old

In Linux, avoid using rm to accidentally delete files-lost memories-blog Bus Avoid accidental deletion of files with rm in Linux: | category: Linux Copyright Disclaimer: During reprinting, please use hyperlinks to indicate the original source and author information of the article and this statementHttp://freakrobot.blogbus.com/logs/88281920.html Because most

This article is an example of the filtering of the Android project redundant resources file solution, very practical value! The detailed description is as follows: Many developers often experience this in the development process of Android projects: interface developers released a new version of the resource bundle, but some of the image name changed, and some pictures were deleted, but in the implementati

Description: +n is greater than N,-n is less than n, n is equal to N.Find/-amin-30-ls # finds files accessed in the last 30 minutes of the systemFind/-atime-2-ls # finds files accessed in the last 48 hours of the systemFind/-mmin-10-ls # finds files that have been modified in the last 10 minutes of the systemFind/-mtime-1-ls # finds

A python version was previously written, but an error occurred while locating the file path, and the path to the file could not be obtained correctly, resulting in the inability to delete the "xxx.txt" file under the path.At that time thought is the Windows version system error caused this problem, also did not continue to delve into, the bug to let go.Recent period of time in the study of Android, definite

1. Get the folder size:1 /** 2 * Get folder size3 * @paramFile File Instance4 * @returnLong5 */ 6 Public Static Longgetfoldersize (Java.io.File File) {7 8 LongSize = 0; 9 Try { Tenjava.io.file[] FileList =File.listfiles (); One for(inti = 0; i ) A { - if(Filelist[i].isdirectory ()) - { theSize = size +getfoldersize (Filelist[i]); - -}Else{ -Size = size +filelist[i].len

a few megabytes larger than the size of the data you want to save, or if the file system occupies less than 90% of the space, you can safely continue the operation. Otherwise, you might not be writing to the store.Note: You do not need to check the amount of free space before saving your files. You can try to write the file immediately and then capture it when the IOException appears. If you do not know the exact amount of space you need, you may nee

1. Because you need to delete files, you need the following permissions:: 2. Core code Copy codeThe Code is as follows: package com. example. deleteyoumi; Import java. io. File; Import android. OS. Bundle; Import android. OS. Handler; Import android. OS. Message; Import

Solve the problem that Android uses a third-party library. so to automatically delete, android. so 1. In the new directory prebuilt under the jni directory, the new file Androidusc. mk under this directory (the name can be obtained at will), copy the third-party library. so to this directory 2. Open Androidusc. mk to add the content. For example, the third-party

[Android Notes] Android calculates the folder size, deletes all files in the folder, and android notes 1. Get the folder size: 1/** 2 * Get the folder size 3 * @ param file File instance 4 * @ return long 5 */6 public static long getFolderSize (java. io. file file) {7 8 long size = 0; 9 try {10 java. io. file [] fileLi

Android deletes SD card files and creates folders and files Package com. jiub. client. mobile. addphoto; import java. io. file; import java. io. fileNotFoundException; import java. io. fileOutputStream; import java. io. IOException; import android. graphics. bitmap; import android