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[Android] Fix a situation within the FolderBrowser where the application would crash. listFiles() returns null when either the File object it's called on isn't a directory or if an I/O error happens (in their infinite wisdom, they actually thought NOT throwing an exception was a cool way to handle this. How about that?). In the case of trying to access system directories as a normal user, an I/O error will occur due to permission access rights. This fixes that.

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This commit is contained in:
Lioncash
2013-09-26 23:06:10 -04:00
parent bea76ac129
commit 8aba748735
1 changed files with 25 additions and 21 deletions
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46
Source/Android/src/org/dolphinemu/dolphinemu/folderbrowser/FolderBrowser.java
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@ -48,39 +48,43 @@ public final class FolderBrowser extends ListFragment
{ {
m_activity.setTitle(getString(R.string.current_dir) + currDir.getName()); m_activity.setTitle(getString(R.string.current_dir) + currDir.getName());
File[] dirs = currDir.listFiles(); File[] dirs = currDir.listFiles();
List<FolderBrowserItem>dir = new ArrayList<FolderBrowserItem>(); List<FolderBrowserItem> dir = new ArrayList<FolderBrowserItem>();
List<FolderBrowserItem>fls = new ArrayList<FolderBrowserItem>(); List<FolderBrowserItem> fls = new ArrayList<FolderBrowserItem>();
// Supported extensions to filter by // Supported extensions to filter by
Set<String> validExts = new HashSet<String>(Arrays.asList(".dff", ".dol", ".elf", ".gcm", ".gcz", ".iso", ".wad", ".wbfs")); Set<String> validExts = new HashSet<String>(Arrays.asList(".dff", ".dol", ".elf", ".gcm", ".gcz", ".iso", ".wad", ".wbfs"));
// Search for any directories or files within the current dir. // If dirs is null, then we don't have access permissions to the selected folder.
for(File entry : dirs) if (dirs != null)
{ {
try // Search for any directories or files within the current dir.
for(File entry : dirs)
{ {
String entryName = entry.getName(); try
boolean hasExtension = (entryName.lastIndexOf(".") != -1);
// Skip hidden folders/files.
if (!entry.isHidden())
{ {
if(entry.isDirectory()) String entryName = entry.getName();
boolean hasExtension = (entryName.lastIndexOf(".") != -1);
// Skip hidden folders/files.
if (!entry.isHidden())
{ {
dir.add(new FolderBrowserItem(entryName, entry.getAbsolutePath())); if(entry.isDirectory())
}
else if (entry.isFile() && hasExtension)
{
if (validExts.contains(entryName.toLowerCase().substring(entryName.lastIndexOf('.'))))
{ {
fls.add(new FolderBrowserItem(entryName, getString(R.string.file_size)+entry.length(), entry.getAbsolutePath())); dir.add(new FolderBrowserItem(entryName, entry.getAbsolutePath()));
}
else if (entry.isFile() && hasExtension)
{
if (validExts.contains(entryName.toLowerCase().substring(entryName.lastIndexOf('.'))))
{
fls.add(new FolderBrowserItem(entryName, getString(R.string.file_size)+entry.length(), entry.getAbsolutePath()));
}
} }
} }
} }
} catch (Exception ex)
catch (Exception ex) {
{ Log.e("FolderBrowser", ex.toString());
Log.e("FolderBrowser", ex.toString()); }
} }
} }