public override Intent getLaunchIntentForPackage(string packageName)
{
if (!loaded_packages.ContainsKey(packageName))
{
return(null);
}
XobotPackageInfo info = loaded_packages [packageName];
if (info.Info.applicationInfo == null)
{
throw new RuntimeException("Cannot get ApplicationInfo from package.");
}
if (info.Info.activities.Length < 1)
{
throw new RuntimeException("Package does not contain any Activity.");
}
ActivityInfo ai = info.Info.activities [0];
ai.applicationInfo.uid = android.os.Process.SYSTEM_UID;
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setPackage(packageName);
intent.setClassName(info.Info.packageName, ai.name);
return(intent);
}
public Task <SCG.IReadOnlyDictionary <K, Entry <K, V> > > GetManyAsync(IReadOnlySet <K> keys)
{
return(ExecCommandAsync(async cmd => {
// Retrieve all rows
cmd.CommandText = $"SELECT * FROM {tableName} WHERE id=ANY(@ids)";
var idParameter = cmd.CreateParameter();
idParameter.ParameterName = "ids";
idParameter.Value = keys.ToArray();
cmd.Parameters.Add(idParameter);
using (var reader = await cmd.ExecuteReaderAsync().ConfigureAwait(false)) {
var results = new SCG.Dictionary <K, Entry <K, V> >();
while (await reader.ReadAsync().ConfigureAwait(false))
{
var entry = ReadToEntry(reader);
results[entry.Key] = entry;
}
foreach (var key in keys)
{
if (!results.ContainsKey(key))
{
results[key] = Entry <K, V> .CreateNonexistant(key);
}
}
return (SCG.IReadOnlyDictionary <K, Entry <K, V> >)results;
}
}));
}
private static double GetEntropy(string result)
{
SCG.Dictionary <char, int> frequencies = new SCG.Dictionary <char, int>();
foreach (char c in result)
{
if (frequencies.ContainsKey(c))
{
++frequencies[c];
}
else
{
frequencies[c] = 1;
}
}
int length = result.Length;
double entropy = 0;
foreach (var keyValue in frequencies)
{
double freq = (double)keyValue.Value / length;
entropy += freq * SYS.Math.Log(freq, 2);
}
return(-entropy);
}
