Added DebugWriterTool - simple app for getting basic info about PC/Mac when using CFD.

4 years ago · 2b7ae85c61
15 changed files with 678 additions and 0 deletions
--- a/debug-writer/.gitignore
+++ b/debug-writer/.gitignore
@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+build/
+/captures
+.externalNativeBuild
+.cxx
--- a/debug-writer/.run/desktop.run.xml
+++ b/debug-writer/.run/desktop.run.xml
@ -0,0 +1,21 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="desktop" type="GradleRunConfiguration" factoryName="Gradle">
+    <ExternalSystemSettings>
+      <option name="executionName" />
+      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+      <option name="externalSystemIdString" value="GRADLE" />
+      <option name="scriptParameters" value="" />
+      <option name="taskDescriptions">
+        <list />
+      </option>
+      <option name="taskNames">
+        <list>
+          <option value="run" />
+        </list>
+      </option>
+      <option name="vmOptions" value="" />
+    </ExternalSystemSettings>
+    <GradleScriptDebugEnabled>true</GradleScriptDebugEnabled>
+    <method v="2" />
+  </configuration>
+</component>
--- a/debug-writer/README.md
+++ b/debug-writer/README.md
@ -0,0 +1,4 @@
+Compose Desktop Application
+
+- `./gradlew run` - run application
+- `./gradlew package` - package native distribution into `build/compose/binaries`
--- a/debug-writer/build.gradle.kts
+++ b/debug-writer/build.gradle.kts
@ -0,0 +1,31 @@
+import org.jetbrains.compose.compose
+import org.jetbrains.compose.desktop.application.dsl.TargetFormat
+
+plugins {
+    // __KOTLIN_COMPOSE_VERSION__
+    kotlin("jvm") version "1.4.32"
+    // __LATEST_COMPOSE_RELEASE_VERSION__
+    id("org.jetbrains.compose") version (System.getenv("COMPOSE_TEMPLATE_COMPOSE_VERSION") ?: "0.4.0-build188")
+}
+
+repositories {
+    mavenLocal()
+    mavenCentral()
+    maven("https://maven.pkg.jetbrains.space/public/p/compose/dev")
+}
+
+dependencies {
+    implementation(compose.desktop.currentOs)
+}
+
+compose.desktop {
+    application {
+        mainClass = "debugwriter.MainKt"
+
+        nativeDistributions {
+            targetFormats(TargetFormat.Dmg, TargetFormat.Msi, TargetFormat.Deb)
+            packageName = "DebugWriterTool"
+            packageVersion = "1.0.0"
+        }
+    }
+}
--- a/debug-writer/build_and_run_from_cli_example.sh
+++ b/debug-writer/build_and_run_from_cli_example.sh
@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# This script is for educational purposes only.
+# Its purpose is to demonstrate how to compile & run Compose Desktop App without Gradle.
+# Prefer running Gradle directly if your project uses Gradle.
+
+mkdir -p deps
+
+function mavenDep {
+  REPO=$1
+  GROUP=$2
+  ARTIFACT=$3
+  VERSION=$4
+  FILE="$ARTIFACT-$VERSION.jar"
+  if [ ! -f "deps/$FILE" ]; then
+    wget -P deps/ "$REPO/$GROUP/$ARTIFACT/$VERSION/$FILE"
+  fi
+}
+
+PLATFORM=macos-x64
+SKIKO_VERSION=0.2.13
+# __KOTLIN_COMPOSE_VERSION__
+KOTLIN_VERSION=1.4.30
+# __LATEST_COMPOSE_RELEASE_VERSION__
+COMPOSE_VERSION=0.3.0
+COROUTINES_VERSION=1.3.6
+COLLECTIONS_VERSION=0.3
+SPACE_REPO="https://public.jetbrains.space/p/compose/packages/maven/"
+MAVEN_CENTRAL="https://repo1.maven.org/maven2"
+BINTRAY_KOTLINX="https://dl.bintray.com/kotlin/kotlinx"
+
+mavenDep "$SPACE_REPO" "org/jetbrains/skiko" "skiko-jvm-runtime-$PLATFORM" "$SKIKO_VERSION"
+mavenDep "$SPACE_REPO" "org/jetbrains/compose" "compose-full" "$COMPOSE_VERSION"
+mavenDep "$SPACE_REPO" "org/jetbrains/compose" "compose-compiler-hosted" "$COMPOSE_VERSION"
+mavenDep "$BINTRAY_KOTLINX" "org/jetbrains/kotlinx" "kotlinx-collections-immutable-jvm" "$COLLECTIONS_VERSION"
+mavenDep "$MAVEN_CENTRAL" "org/jetbrains/kotlinx" "kotlinx-coroutines-core" "$COROUTINES_VERSION"
+mavenDep "$MAVEN_CENTRAL" "org/jetbrains/kotlin" "kotlin-stdlib" "$KOTLIN_VERSION"
+if [ ! -f "deps/kotlin-compiler-$KOTLIN_VERSION.zip" ]; then
+  wget -P deps/ "https://github.com/JetBrains/kotlin/releases/download/v$KOTLIN_VERSION/kotlin-compiler-$KOTLIN_VERSION.zip"
+  pushd deps
+  unzip kotlin-compiler-$KOTLIN_VERSION.zip
+  popd
+fi
+
+OUT_DIR=out/
+if [ -d "$OUT_DIR" ]; then
+  rm -rf $OUT_DIR
+fi
+
+COMPILE_CLASSPATH="deps/compose-full-$COMPOSE_VERSION.jar:deps/skiko-jvm-runtime-$PLATFORM-$SKIKO_VERSION.jar:deps/kotlinx-coroutines-core-$COROUTINES_VERSION.jar"
+RUNTIME_CLASSPATH="deps/kotlinx-collections-immutable-jvm-$COLLECTIONS_VERSION.jar:deps/kotlin-stdlib-$KOTLIN_VERSION.jar:$COMPILE_CLASSPATH"
+SOURCES=$(find src/main -name "*.kt"|paste -sd " " -)
+JAVA_OPTS=-Xmx1G deps/kotlinc/bin/kotlinc-jvm \
+-jvm-target 1.8 \
+-Xuse-ir \
+-Xmulti-platform \
+-Xplugin="deps/compose-compiler-hosted-$COMPOSE_VERSION.jar" \
+-cp "$COMPILE_CLASSPATH" \
+-d $OUT_DIR $SOURCES
+
+#jar cf result.jar -C "$OUT_DIR" . -C "src/main/resources" .
+java -cp "out/:result.jar:$RUNTIME_CLASSPATH" MainKt
--- a/debug-writer/gradle.properties
+++ b/debug-writer/gradle.properties
@ -0,0 +1,2 @@
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+kotlin.code.style=official
--- a/debug-writer/gradle/wrapper/gradle-wrapper.jar
+++ b/debug-writer/gradle/wrapper/gradle-wrapper.jar
--- a/debug-writer/gradle/wrapper/gradle-wrapper.properties
+++ b/debug-writer/gradle/wrapper/gradle-wrapper.properties
@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.6-all.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
--- a/debug-writer/gradlew
+++ b/debug-writer/gradlew
@ -0,0 +1,183 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
--- a/debug-writer/gradlew.bat
+++ b/debug-writer/gradlew.bat
@ -0,0 +1,100 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
--- a/debug-writer/settings.gradle.kts
+++ b/debug-writer/settings.gradle.kts
@ -0,0 +1,8 @@
+pluginManagement {
+    repositories {
+        // TODO: remove after new build is published
+        mavenLocal()
+        gradlePluginPortal()
+        maven("https://maven.pkg.jetbrains.space/public/p/compose/dev")
+    }
+}
--- a/debug-writer/src/main/kotlin/debugwriter/Main.kt
+++ b/debug-writer/src/main/kotlin/debugwriter/Main.kt
@ -0,0 +1,77 @@
+package debugwriter
+
+import androidx.compose.desktop.LocalAppWindow
+import androidx.compose.desktop.Window
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.Text
+import androidx.compose.material.Button
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Surface
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.IntSize
+import debugwriter.decoration.AppTheme
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.async
+
+private val fileName = "debug-info.txt"
+private var output by mutableStateOf("")
+private var isReady by mutableStateOf(false)
+
+fun main() {
+    enableDebugWritingTo(fileName)
+
+    Window(
+        title = "DebugWriter",
+        size = IntSize(650, 450)
+    ) {
+        val window = LocalAppWindow.current
+
+        AppTheme {
+            Surface(
+                modifier = Modifier.fillMaxSize()
+            ) {
+                Box(
+                    modifier = Modifier.fillMaxSize().padding(20.dp),
+                    contentAlignment = Alignment.Center
+                ) {
+                    Column {
+                        Header("Click [Refresh] to refresh info or [Open file] to see the output file.")
+                        if (isReady) {
+                            TextBox(output, Modifier.weight(1f).padding(start = 30.dp, end = 30.dp))
+                        } else {
+                            Loader(Modifier.weight(1f).fillMaxWidth())
+                        }
+                        Row(modifier = Modifier.fillMaxWidth()) {
+                            Button("Refresh", Modifier.weight(1f), { writeDebugInfo() })
+                            Button("Open file", Modifier.weight(1f), { revealDebugOutput() })
+                            Button("Close", Modifier.weight(1f), { window.close() })
+                        }
+                    }
+                }
+            }
+        }
+        writeDebugInfo()
+    }
+}
+
+private fun writeDebugInfo() {
+    isReady = false
+    GlobalScope.async {
+        delay(2000L)
+        isReady = true
+        output = readDebugOutput(fileName)
+    }
+}
--- a/debug-writer/src/main/kotlin/debugwriter/Utils.kt
+++ b/debug-writer/src/main/kotlin/debugwriter/Utils.kt
@ -0,0 +1,27 @@
+package debugwriter
+
+import java.io.File
+import java.io.FileOutputStream
+import java.io.InputStream
+import java.io.PrintStream
+import java.awt.Desktop
+import org.jetbrains.skiko.hostOs
+import org.jetbrains.skiko.OS
+
+fun enableDebugWritingTo(fileName: String = "output.txt") {
+    System.setProperty("skiko.hardwareInfo.enabled", "true")
+    val stream = PrintStream(FileOutputStream(fileName))
+    System.setOut(stream)
+}
+
+fun readDebugOutput(fileName: String = "output.txt"): String {
+    val inputStream: InputStream = File(fileName).inputStream()
+    return inputStream.bufferedReader().use { it.readText() }
+}
+
+fun revealDebugOutput(fileName: String = "output.txt") {
+    val file = File("${System.getProperty("user.dir")}/$fileName")
+    if (Desktop.isDesktopSupported()) {
+        Desktop.getDesktop().open(file)
+    }
+}
--- a/debug-writer/src/main/kotlin/debugwriter/decoration/Components.kt
+++ b/debug-writer/src/main/kotlin/debugwriter/decoration/Components.kt
@ -0,0 +1,73 @@
+package debugwriter
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.material.Button
+import androidx.compose.material.CircularProgressIndicator
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+
+@Composable
+internal fun Button(text: String, modifier: Modifier, action: () -> Unit) {
+    Box(
+        modifier = modifier,
+        contentAlignment = Alignment.Center
+    ) {
+        Button(
+            modifier = Modifier.size(150.dp, 35.dp),
+            onClick = action
+        ) {
+            Text(text)
+        }
+    }
+}
+
+@Composable
+internal fun TextBox(text: String, modifier: Modifier) {
+    Box(
+        modifier = modifier,
+        contentAlignment = Alignment.Center
+    ) {
+        Text(text)
+    }
+}
+
+@Composable
+internal fun Header(text: String) {
+    Box(
+        modifier = Modifier.padding(start = 30.dp, end = 30.dp).fillMaxWidth(),
+        contentAlignment = Alignment.Center
+    ) {
+        Text(
+            text = text,
+            textAlign = TextAlign.Center,
+            style = TextStyle(
+                fontFamily = FontFamily.Default,
+                fontWeight = FontWeight.Normal,
+                fontSize = 20.sp,
+                color = Color.Gray
+            )
+        )
+    }
+}
+
+@Composable
+internal fun Loader(modifier: Modifier) {
+     Box(
+        modifier = modifier,
+        contentAlignment = Alignment.Center
+    ) {
+        CircularProgressIndicator(modifier = Modifier.size(100.dp))
+    }
+}
--- a/debug-writer/src/main/kotlin/debugwriter/decoration/Theme.kt
+++ b/debug-writer/src/main/kotlin/debugwriter/decoration/Theme.kt
@ -0,0 +1,69 @@
+package debugwriter.decoration
+
+import androidx.compose.material.darkColors
+import androidx.compose.material.lightColors
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Typography
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.unit.sp
+
+private val colorPalette = darkColors(
+    primary = Color(0xffa5d6a7),
+    primaryVariant = Color(0xff388e3c),
+    secondary = Color(0xff80deea),
+    surface = Color(0xff323232),
+    background = Color(0xff323232),
+    onPrimary = Color.Black,
+    onSecondary = Color.White,
+    error = Color.Red,
+)
+
+val typography = Typography(
+    body1 = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp
+    ),
+    body2 = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 14.sp
+    ),
+    button = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.W500,
+        fontSize = 14.sp
+    ),
+    caption = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 12.sp,
+    ),
+    subtitle1 = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp,
+        color = Color.Gray
+    ),
+    subtitle2 = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 14.sp,
+        color = Color.Gray
+    ),
+)
+
+@Composable
+fun AppTheme(
+    content: @Composable() () -> Unit,
+) {
+    MaterialTheme(
+        colors = colorPalette,
+        typography = typography,
+        content = content
+    )
+}