feat: add logs screen

logcatter/.gitignore

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+/build

logcatter/build.gradle.kts

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+plugins {
+    alias(libs.plugins.androidLibrary)
+    alias(libs.plugins.kotlin.android)
+}
+
+android {
+    namespace = "com.zaneschepke.logcatter"
+    compileSdk = 34
+
+    defaultConfig {
+        minSdk = 26
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.material)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+}

logcatter/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

logcatter/src/androidTest/java/com/zaneschepke/ExampleInstrumentedTest.kt

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+package com.zaneschepke
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.platform.app.InstrumentationRegistry
+import org.junit.Assert.assertEquals
+import org.junit.Test
+import org.junit.runner.RunWith
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.zaneschepke.test", appContext.packageName)
+    }
+}

logcatter/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest>
+
+</manifest>

logcatter/src/main/java/com/zaneschepke/logcatter/Logcatter.kt

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+package com.zaneschepke.logcatter
+
+import com.zaneschepke.logcatter.model.LogMessage
+
+object Logcatter {
+    fun logs(callback: (input: LogMessage) -> Unit) {
+        clear()
+        Runtime.getRuntime().exec("logcat -v epoch")
+            .inputStream
+            .bufferedReader()
+            .useLines { lines ->
+                lines.forEach { callback(LogMessage.from(it)) }
+            }
+    }
+
+    fun clear() {
+        Runtime.getRuntime().exec("logcat -c")
+    }
+}

logcatter/src/main/java/com/zaneschepke/logcatter/model/LogLevel.kt

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+package com.zaneschepke.logcatter.model
+enum class LogLevel(val signifier: String) {
+    DEBUG("D") {
+       override fun color(): Long {
+           return 0xFF2196F3
+       }
+    },
+    INFO("I"){
+        override fun color(): Long {
+            return 0xFF4CAF50
+        }
+     },
+    ASSERT("A"){
+        override fun color(): Long {
+            return 0xFF9C27B0
+        }
+    },
+    WARNING("W"){
+        override fun color(): Long {
+            return 0xFFFFC107
+        }
+                },
+    ERROR("E"){
+        override fun color(): Long {
+            return 0xFFF44336
+        }
+              },
+    VERBOSE("V"){
+        override fun color(): Long {
+            return 0xFF000000
+        }
+    };
+
+    abstract fun color() : Long
+    companion object {
+        fun fromSignifier(signifier: String) : LogLevel {
+            return when(signifier) {
+                DEBUG.signifier -> DEBUG
+                INFO.signifier -> INFO
+                WARNING.signifier -> WARNING
+                VERBOSE.signifier -> VERBOSE
+                ASSERT.signifier -> ASSERT
+                ERROR.signifier -> ERROR
+                else -> VERBOSE
+            }
+        }
+    }
+}

logcatter/src/main/java/com/zaneschepke/logcatter/model/LogMessage.kt

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+package com.zaneschepke.logcatter.model
+
+import java.time.Instant
+
+data class LogMessage(
+    val time: Instant,
+    val pid: String,
+    val tid: String,
+    val level : LogLevel,
+    val tag: String,
+    val message: String
+) {
+    override fun toString(): String {
+        return "$time $pid $tid $level $tag message= $message"
+    }
+    companion object {
+        fun from(logcatLine : String) : LogMessage {
+            return if(logcatLine.contains("---------")) LogMessage(Instant.now(), "0","0",LogLevel.VERBOSE,"System", logcatLine)
+            else {
+                //TODO improve this
+                val parts = logcatLine.trim().split(" ").filter { it.isNotEmpty() }
+                val epochParts = parts[0].split(".").map { it.toLong() }
+                val message = parts.subList(5, parts.size).joinToString(" ")
+                LogMessage(Instant.ofEpochSecond(epochParts[0], epochParts[1]), parts[1], parts[2], LogLevel.fromSignifier(parts[3]), parts[4], message)
+            }
+        }
+    }
+}

logcatter/src/test/java/com/zaneschepke/ExampleUnitTest.kt

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+package com.zaneschepke
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}