Thomas England created CB-8619:
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Summary: window.requestFileSystem callback hangs on Samsung S3 and
S3 mini devices
Key: CB-8619
URL: https://issues.apache.org/jira/browse/CB-8619
Project: Apache Cordova
Issue Type: Bug
Components: Android
Environment: Cordova 4.3; Android 4.3; Samsung Galaxy SIII, SIII mini;
Developed on Windows 8.1 64-bit;
Reporter: Thomas England
Priority: Critical
The callback supplied to the window.requestFileSystem function (success or
failure) does not fire when using Samsung Galaxy S3s and S3 minis after
prolonged use of my app. I use window.requestFileSystem as part of a storage
read function to read saved referential JSONlite data. Initially, it will
function perfectly normally for calls, returning information as usual. Then
after several calls and moderately intensive read/write calls, it will hang the
application and not call the callbacks. Again, this only happens in one
particular part of the application which requires reading around 15 JSONlite
data files between a few bytes and <100kb in size. Subsequent functions which
access the directory files therefore also cannot run.
Running the application and replicating the behaviour with Eclipse LogCat
Logging activated does not return any obvious errors that would indicate a
problem.
As I said this happens only for Samsung S3 and S3 minis not on any iOS devices
or other Android devices (such as S4s, Notes and other devices with superior
performance).
The application is running the latest version of Cordova (4.3).
Sample snippets are below:
function getFilesystem() {
console.log("FS: Getting file system");
window.requestFileSystem(LocalFileSystem.PERSISTENT, 0,
getWorkingDirectory, fail);
}
function getWorkingDirectory(fileSystem) {
console.log("FS: Got the file system - getting the app directory");
fileSystem.root.getDirectory("app", {create: true, exclusive: false},
gotWorkingDirectorySuccess, fail);
}
function gotWorkingDirectorySuccess(dir) {
console.log("FS: Got the directory: " + dir.name);
console.log("FS: Assigning the received directory");
directory = dir;
console.log("FS: Global directory name: " + directory.name);
console.log("FS: Getting the file");
getFile();
}
function fail(error) {
endLoad();
appError('We had some trouble getting some required information. Please
restart the app and try again.');
}
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