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pyricau / shark-custom-script.main.kts
Created March 27, 2024 20:57
A standalone Kotlin script that shows how to do custom heap analysis work with Shark, the heap parsing library that powers LeakCanary (see https://square.github.io/leakcanary/shark)
#!/usr/bin/env kotlin
// Before running this script, install Kotlin with `brew install kotlin`
// Then run this with `kotlin shark-custom-script.main.kts`
// Edit this script in the latest Android Studio or IntelliJ IDEA releases to get dependency import and auto completion.
@file:Repository("https://repo.maven.apache.org/maven2/")
@file:DependsOn("com.squareup.leakcanary:shark-android:2.13")
import java.io.File
@pyricau
pyricau / compare.benchmarks.main.kts
Created September 7, 2023 00:22
A Kotlin script to compare the output of two Macrobenchmark runs, validating the data and computing the confidence interval for a difference between two means
#!/usr/bin/env kotlin
@file:Repository("https://repo.maven.apache.org/maven2/")
@file:DependsOn("com.datumbox:datumbox-framework-lib:0.8.2")
@file:DependsOn("com.squareup.okio:okio:3.3.0")
@file:DependsOn("com.squareup.moshi:moshi:1.13.0")
@file:DependsOn("com.squareup.moshi:moshi-adapters:1.13.0")
@file:DependsOn("com.squareup.moshi:moshi-kotlin:1.13.0")
import com.squareup.moshi.Moshi
@pyricau
pyricau / CoffeeParts.kt
Last active January 17, 2024 08:43
A Dependency Injection Framework that fits in a toot: https://androiddev.social/@py/111769799220786590
class CoffeeLogger {
fun log(msg: String) {
println(msg)
}
}
interface Heater {
fun on()
fun off()
val isHot: Boolean
@pyricau
pyricau / OomExceptionHandler.java
Created May 6, 2015 17:18
Dump the heap on OutOfMemoryError crashes in your debug builds.
import android.content.Context;
import android.os.Debug;
import java.io.File;
public class OomExceptionHandler implements Thread.UncaughtExceptionHandler {
private static final String FILENAME = "out-of-memory.hprof";
public static void install(Context context) {
Thread.UncaughtExceptionHandler defaultHandler = Thread.getDefaultUncaughtExceptionHandler();
@pyricau
pyricau / CrashingRunListener.kt
Last active May 3, 2023 07:51
package com.example
import android.app.Instrumentation
import android.os.Bundle
import android.util.Log
import androidx.test.internal.runner.listener.InstrumentationResultPrinter
import androidx.test.platform.app.InstrumentationRegistry
import org.junit.runner.Description
import org.junit.runner.notification.RunListener
@pyricau
pyricau / ClassShot.java
Last active December 19, 2022 19:13
ClassShot: detect which classes have been loaded at runtime
import android.content.Context;
import android.os.Debug;
import android.os.Handler;
import android.os.Looper;
import android.util.Log;
import android.widget.Toast;
import com.squareup.haha.perflib.ClassObj;
import com.squareup.haha.perflib.HprofParser;
import com.squareup.haha.perflib.Snapshot;
import com.squareup.haha.perflib.io.HprofBuffer;
@pyricau
pyricau / SortAlgoTest.java
Created May 8, 2012 20:09
Implementation of various sorting algorithms in Java
import static java.util.Arrays.asList;
import static org.fest.assertions.Assertions.assertThat;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Random;
import org.junit.Test;
import org.junit.runner.RunWith;
@pyricau
pyricau / IMMLeaks.java
Last active June 5, 2022 22:46
"Fix" for InputMethodManager leaking the last focused view: https://code.google.com/p/android/issues/detail?id=171190
import android.app.Activity;
import android.app.Application;
import android.content.Context;
import android.content.ContextWrapper;
import android.os.Bundle;
import android.os.Looper;
import android.os.MessageQueue;
import android.util.Log;
import android.view.View;
import android.view.ViewTreeObserver;
@pyricau
pyricau / BadParcelableFix.kt
Last active May 23, 2022 08:13
Fix for https://issuetracker.google.com/issues/147246567 => see https://twitter.com/Piwai/status/1374129312153038849
import android.os.Build.VERSION.SDK_INT
import android.os.Bundle
import android.os.Parcel
import android.util.Base64
/**
* This class implements a fix for https://issuetracker.google.com/issues/147246567
* Investigation: https://twitter.com/Piwai/status/1374129312153038849
*
* Usage:
@pyricau
pyricau / TraceTest.kt
Created January 8, 2020 00:43
package com.example
import kotlin.annotation.AnnotationRetention.RUNTIME
import kotlin.annotation.AnnotationTarget.FUNCTION
/**
* @see TracingRunListener
*/
@Retention(RUNTIME)
@Target(FUNCTION)