aaronoe

var policy = Policy
              .Handle<SomeExceptionType>()
              .Retry();

var result = policy.Execute(() => DoSomething());

aaronoe

private static readonly Regex AppIdPattern = "fg=([0-z]{1,10}):\"com.example.yourpackagename\"".ToRegex();
private static readonly Regex TimeOnBatteryPattern = @"(Time on battery: .+?) \(".ToRegex();

private static BatteryStatistics ExtractBatteryStatsFromLog(string batteryLog)
{
  var appId = AppIdPattern.Match(batteryLog).Groups[1].Value;
  
  var wifiUsagePattern = $@"{appId}:[\s]+?(Wi-Fi network: .*?packets \d+ received, \d+ sent\))".ToRegex();
  var wifiUsage = wifiUsagePattern.Match(batteryLog).Groups[1].Value;
  var wifiUsageBreakdown = NetworkUsageBreakdown.CreateFromLogLine(wifiUsage);

aaronoe

# emulate device being unplugged
adb shell dumpsys unplug
# reset existing battery stats. stats are captured from this point on
adb shell dumpsys batterystats --reset

# -------------------
# RUN YOUR TESTS HERE
# -------------------

# dump the battery stats and capture the output

aaronoe

StartGroup: YourPhoneTests.AndroidBatteryTests.PhotoBatteryTest
Battery stats for test group: Photos
App UID: u0a207
Battery Capacity: 3000mAh
Time on Battery: 00:04:25.9310000

Battery Usage Breakdown:
Total Usage: 62.1mAh
Cpu Usage: 1.21mAh
Wifi Usage: 60.9mAh

aaronoe

@NotNull
private static final Playground.CounterProperty myProperty$delegate;
public static final Playground INSTANCE;

static {
  myProperty$delegate = new Playground.CounterProperty("foo");
}

@NotNull
public final String getMyProperty() {

aaronoe

val myProperty by CounterProperty("foo")

class CounterProperty(private val value: String) : ReadOnlyProperty<Any, String> {
    private var counter = 0

    override fun getValue(thisRef: Any, property: KProperty<*>): String {
        return synchronized(counter) {
            println("Counter: ${++counter}")
            value
        }

aaronoe

@NotNull
private static String notNull = "Hello";
@Nullable
private static String maybeNull = "Hello";

@NotNull
public static final String getNotNull() {
  return notNull;
}

aaronoe

@override
Widget build(BuildContext context) {
  return new FutureBuilder<Repositories>(
    future: apiClient.getUserRepositoriesFuture(username),
    builder: (BuildContext context, 
        AsyncSnapshot<Repositories> snapshot) {
      if (snapshot.hasError)
        return new Center(child: new Text("Network error"));
      if (!snapshot.hasData)
        return new Center(

aaronoe

class ToolbarDemo extends StatelessWidget {
  
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        actions: <Widget>[
          new IconButton(
              icon: new Icon(Icons.star), 
              onPressed: _handleClickFavorite

aaronoe

Meta-Date for the Flutter app

http://cloc.sourceforge.net v 1.60  T=0.16 s (247.5 files/s, 14905.1 lines/s)
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Language                      files          blank        comment           code
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Dart                             31            263             39           1735
Bourne Again Shell                1             19             20            121
DOS Batch                         1             24              2             64
XML                               3              3             22             35