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chore(example): update example app #579

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52e64e8
chore(example): update example app
kholood-ea Jun 3, 2025
a364328
chore(example): update lock files
kholood-ea Jun 3, 2025
195714b
chore(example): activate bug reporting buttons in home page
kholood-ea Jun 4, 2025
5bd0523
feat: add bug reporting & crash reporting cases
ahmedAlaaInstabug Jun 25, 2025
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57 changes: 20 additions & 37 deletions ...ndroid/app/src/main/kotlin/com/example/InstabugSample/InstabugExampleMethodCallHandler.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -24,12 +24,12 @@ class InstabugExampleMethodCallHandler : MethodChannel.MethodCallHandler {
}
SEND_NATIVE_FATAL_HANG -> {
Log.d(TAG, "Sending native fatal hang for 3000 ms")
sendANR()
sendFatalHang()
result.success(null)
}
SEND_ANR -> {
Log.d(TAG, "Sending android not responding 'ANR' hanging for 20000 ms")
sendFatalHang()
sendANR()
result.success(null)
}
SEND_OOM -> {
Expand Down Expand Up @@ -71,58 +71,41 @@ class InstabugExampleMethodCallHandler : MethodChannel.MethodCallHandler {
}

private fun sendANR() {
android.os.Handler(Looper.getMainLooper()).post {
try {
Thread.sleep(20000)
} catch (e: InterruptedException) {
throw RuntimeException(e)
}
}
}

private fun sendFatalHang() {
try {
Thread.sleep(3000)
} catch (e: InterruptedException) {
throw RuntimeException(e)
android.os.Handler(Looper.getMainLooper()).post {

try {
Thread.sleep(3000)
} catch (e: InterruptedException) {
throw RuntimeException(e)
}
}
}

private fun sendOOM() {
android.os.Handler(Looper.getMainLooper()).post {


oomCrash()
}
}

private fun oomCrash() {
Thread {
val stringList: MutableList<String> = ArrayList()
for (i in 0 until 1000000) {
stringList.add(getRandomString(10000))
}
}.start()
}

private fun getRandomString(length: Int): String {
val charset: MutableList<Char> = ArrayList()
var ch = 'a'
while (ch <= 'z') {
charset.add(ch)
ch++
val list = ArrayList<ByteArray>()
while (true) {
list.add(ByteArray(10 * 1024 * 1024)) // Allocate 10MB chunks
}
ch = 'A'
while (ch <= 'Z') {
charset.add(ch)
ch++
}
ch = '0'
while (ch <= '9') {
charset.add(ch)
ch++
}
val randomString = StringBuilder()
val random = java.util.Random()
for (i in 0 until length) {
val randomChar = charset[random.nextInt(charset.size)]
randomString.append(randomChar)
}
return randomString.toString()
}



}
2 changes: 1 addition & 1 deletion example/ios/Podfile.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ EXTERNAL SOURCES:
SPEC CHECKSUMS:
Flutter: e0871f40cf51350855a761d2e70bf5af5b9b5de7
Instabug: 97a4e694731f46bbc02dbe49ab29cc552c5e2f41
instabug_flutter: 4e4a9b162d77d5624d08ccdf81745d923745e062
instabug_flutter: ef9cb6bf3c9dd29b1e4bf3129a16dcbcb2d332e6
OCMock: 5ea90566be239f179ba766fd9fbae5885040b992

PODFILE CHECKSUM: 8f7552fd115ace1988c3db54a69e4a123c448f84
Expand Down
28 changes: 16 additions & 12 deletions example/ios/Runner/InstabugExampleMethodCallHandler.m
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Original file line number Diff line number Diff line change
Expand Up @@ -55,19 +55,21 @@ + (BOOL)requiresMainQueueSetup
}

- (void)oomCrash {
dispatch_async(self.serialQueue, ^{
self.oomBelly = [NSMutableArray array];
[UIApplication.sharedApplication beginBackgroundTaskWithName:@"OOM Crash" expirationHandler:nil];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSMutableArray *belly = [NSMutableArray array];
while (true) {
unsigned long dinnerLength = 1024 * 1024 * 10;
char *dinner = malloc(sizeof(char) * dinnerLength);
for (int i=0; i < dinnerLength; i++)
{
//write to each byte ensure that the memory pages are actually allocated
dinner[i] = '0';
// 20 MB chunks to speed up OOM
void *buffer = malloc(20 * 1024 * 1024);
if (buffer == NULL) {
NSLog(@"OOM: malloc failed");
break;
}
NSData *plate = [NSData dataWithBytesNoCopy:dinner length:dinnerLength freeWhenDone:YES];
[self.oomBelly addObject:plate];
memset(buffer, 1, 20 * 1024 * 1024);
NSData *data = [NSData dataWithBytesNoCopy:buffer length:20 * 1024 * 1024 freeWhenDone:YES];
[belly addObject:data];

// Optional: slight delay to avoid CPU spike
[NSThread sleepForTimeInterval:0.01];
}
});
}
Expand Down Expand Up @@ -108,7 +110,9 @@ - (void)sendNativeFatalCrash {
}

- (void)sendFatalHang {
[NSThread sleepForTimeInterval:3.0f];
dispatch_async(dispatch_get_main_queue(), ^{
sleep(20); // Block main thread for 20 seconds
});
}

- (void)sendOOM {
Expand Down
2 changes: 2 additions & 0 deletions example/lib/main.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,8 @@ import 'src/widget/section_title.dart';

part 'src/screens/crashes_page.dart';

part 'src/screens/bug_reporting.dart';

part 'src/screens/complex_page.dart';

part 'src/screens/apm_page.dart';
Expand Down
2 changes: 2 additions & 0 deletions example/lib/src/app_routes.dart
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Expand Up @@ -9,6 +9,8 @@ final appRoutes = {
"/": (BuildContext context) =>
const MyHomePage(title: 'Flutter Demo Home Pag'),
CrashesPage.screenName: (BuildContext context) => const CrashesPage(),
BugReportingPage.screenName: (BuildContext context) =>
const BugReportingPage(),
ComplexPage.screenName: (BuildContext context) => const ComplexPage(),
ApmPage.screenName: (BuildContext context) => const ApmPage(),
ScreenLoadingPage.screenName: (BuildContext context) =>
Expand Down
10 changes: 10 additions & 0 deletions example/lib/src/components/fatal_crashes_content.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -20,31 +20,37 @@ class FatalCrashesContent extends StatelessWidget {
children: [
InstabugButton(
text: 'Throw Exception',
key: const Key('fatal_crash_exception'),
onPressed: () => throwUnhandledException(
Exception('This is a generic exception.')),
),
InstabugButton(
text: 'Throw StateError',
key: const Key('fatal_crash_state_exception'),
onPressed: () =>
throwUnhandledException(StateError('This is a StateError.')),
),
InstabugButton(
text: 'Throw ArgumentError',
key: const Key('fatal_crash_argument_exception'),
onPressed: () => throwUnhandledException(
ArgumentError('This is an ArgumentError.')),
),
InstabugButton(
text: 'Throw RangeError',
key: const Key('fatal_crash_range_exception'),
onPressed: () => throwUnhandledException(
RangeError.range(5, 0, 3, 'Index out of range')),
),
InstabugButton(
text: 'Throw FormatException',
key: const Key('fatal_crash_format_exception'),
onPressed: () =>
throwUnhandledException(UnsupportedError('Invalid format.')),
),
InstabugButton(
text: 'Throw NoSuchMethodError',
key: const Key('fatal_crash_no_such_method_error_exception'),
onPressed: () {
// This intentionally triggers a NoSuchMethodError
dynamic obj;
Expand All @@ -53,20 +59,24 @@ class FatalCrashesContent extends StatelessWidget {
),
const InstabugButton(
text: 'Throw Native Fatal Crash',
key: const Key('fatal_crash_native_exception'),
onPressed: InstabugFlutterExampleMethodChannel.sendNativeFatalCrash,
),
const InstabugButton(
text: 'Send Native Fatal Hang',
key: const Key('fatal_crash_native_hang'),
onPressed: InstabugFlutterExampleMethodChannel.sendNativeFatalHang,
),
Platform.isAndroid
? const InstabugButton(
text: 'Send Native ANR',
key: const Key('fatal_crash_anr'),
onPressed: InstabugFlutterExampleMethodChannel.sendAnr,
)
: const SizedBox.shrink(),
const InstabugButton(
text: 'Throw Unhandled Native OOM Exception',
key: const Key('fatal_crash_oom'),
onPressed: InstabugFlutterExampleMethodChannel.sendOom,
),
],
Expand Down
31 changes: 26 additions & 5 deletions example/lib/src/components/non_fatal_crashes_content.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -42,38 +42,50 @@ class _NonFatalCrashesContentState extends State<NonFatalCrashesContent> {
children: [
InstabugButton(
text: 'Throw Exception',
key: const Key('non_fatal_exception'),
onPressed: () =>
throwHandledException(Exception('This is a generic exception.')),
),
InstabugButton(
text: 'Throw StateError',
key: const Key('non_fatal_state_exception'),
onPressed: () =>
throwHandledException(StateError('This is a StateError.')),
),
InstabugButton(
text: 'Throw ArgumentError',
key: const Key('non_fatal_argument_exception'),

onPressed: () =>
throwHandledException(ArgumentError('This is an ArgumentError.')),
),
InstabugButton(
text: 'Throw RangeError',
key: const Key('non_fatal_range_exception'),

onPressed: () => throwHandledException(
RangeError.range(5, 0, 3, 'Index out of range')),
),
InstabugButton(
text: 'Throw FormatException',
key: const Key('non_fatal_format_exception'),

onPressed: () =>
throwHandledException(UnsupportedError('Invalid format.')),
),
InstabugButton(
text: 'Throw NoSuchMethodError',
key: const Key('non_fatal_no_such_method_exception'),

onPressed: () {
dynamic obj;
throwHandledException(obj.methodThatDoesNotExist());
},
),
const InstabugButton(
text: 'Throw Handled Native Exception',
key: Key('non_fatal_native_exception'),

onPressed:
InstabugFlutterExampleMethodChannel.sendNativeNonFatalCrash,
),
Expand All @@ -86,6 +98,7 @@ class _NonFatalCrashesContentState extends State<NonFatalCrashesContent> {
Expanded(
child: InstabugTextField(
label: "Crash title",
key: const Key("non_fatal_crash_title_textfield"),
controller: crashNameController,
validator: (value) {
if (value?.trim().isNotEmpty == true) return null;
Expand All @@ -100,7 +113,9 @@ class _NonFatalCrashesContentState extends State<NonFatalCrashesContent> {
Expanded(
child: InstabugTextField(
label: "User Attribute key",
controller: crashUserAttributeKeyController,
key: const Key("non_fatal_user_attribute_key_textfield"),

controller: crashUserAttributeKeyController,
validator: (value) {
if (crashUserAttributeValueController.text.isNotEmpty) {
if (value?.trim().isNotEmpty == true) return null;
Expand All @@ -113,7 +128,9 @@ class _NonFatalCrashesContentState extends State<NonFatalCrashesContent> {
Expanded(
child: InstabugTextField(
label: "User Attribute Value",
controller: crashUserAttributeValueController,
key: const Key("non_fatal_user_attribute_value_textfield"),

controller: crashUserAttributeValueController,
validator: (value) {
if (crashUserAttributeKeyController.text.isNotEmpty) {
if (value?.trim().isNotEmpty == true) return null;
Expand All @@ -130,7 +147,9 @@ class _NonFatalCrashesContentState extends State<NonFatalCrashesContent> {
Expanded(
child: InstabugTextField(
label: "Fingerprint",
controller: crashfingerPrintController,
key: const Key("non_fatal_user_attribute_fingerprint_textfield"),

controller: crashfingerPrintController,
)),
],
),
Expand All @@ -141,6 +160,8 @@ class _NonFatalCrashesContentState extends State<NonFatalCrashesContent> {
Expanded(
flex: 5,
child: DropdownButtonHideUnderline(
key: const Key("non_fatal_crash_level_dropdown"),

child:
DropdownButtonFormField<NonFatalExceptionLevel>(
value: crashType,
Expand All @@ -161,7 +182,7 @@ class _NonFatalCrashesContentState extends State<NonFatalCrashesContent> {
],
),
),
SizedBox(
const SizedBox(
height: 8,
),
InstabugButton(
Expand Down Expand Up @@ -190,7 +211,7 @@ class _NonFatalCrashesContentState extends State<NonFatalCrashesContent> {
fingerprint: crashfingerPrintController.text,
level: crashType);
ScaffoldMessenger.of(context)
.showSnackBar(SnackBar(content: Text("Crash sent")));
.showSnackBar(const SnackBar(content: Text("Crash sent")));
crashNameController.text = '';
crashfingerPrintController.text = '';
crashUserAttributeValueController.text = '';
Expand Down
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