diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..57eeb6171a1fbe3e6372e597e9d4fbd556ff9408
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,56 @@
+buildscript {
+ repositories {
+ jcenter()
+ google()
+ }
+ dependencies {
+ classpath 'com.android.tools.build:gradle:4.1.1'
+ }
+}
+
+allprojects {
+ repositories {
+ jcenter()
+ google()
+ }
+}
+
+apply plugin: 'com.android.application'
+
+android {
+ compileSdkVersion 29
+ buildToolsVersion "29.0.2"
+
+ defaultConfig {
+ minSdkVersion 14
+ targetSdkVersion 29
+ applicationId "com.android.calculator2.debug"
+ }
+
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
+ }
+ }
+
+ aaptOptions {
+ additionalParameters '-I', 'libs/e-ui-sdk-1.0-pie.jar'
+ }
+
+ sourceSets {
+ main {
+ java.srcDirs = ["src"]
+ res.srcDirs = ["res"]
+ manifest.srcFile "AndroidManifest.xml"
+ assets.srcDirs = ["assets"]
+ }
+ }
+}
+
+dependencies {
+ implementation files("libs/cr.jar")
+ implementation "androidx.gridlayout:gridlayout:1.0.0"
+ implementation "androidx.recyclerview:recyclerview:1.1.0"
+ implementation "androidx.legacy:legacy-support-v4:1.0.0"
+}
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000000000000000000000000000000000000..2d8d1e4dd150cb790e1efef522121e30222820d4
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1 @@
+android.useAndroidX=true
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000000000000000000000000000000000000..f6b961fd5a86aa5fbfe90f707c3138408be7c718
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000000000000000000000000000000000000..3246a8c75bdd1a0b6350e6bc39ea32ef43bdfd82
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Thu Dec 10 18:04:37 IST 2020
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000000000000000000000000000000000000..cccdd3d517fc5249beaefa600691cf150f2fa3e6
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+## 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 "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+ echo "$*"
+}
+
+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, switch paths to Windows format before running java
+if $cygwin ; then
+ APP_HOME=`cygpath --path --mixed "$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`="\"$arg\""
+ fi
+ i=$((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"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+ cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000000000000000000000000000000000000..e95643d6a2ca62258464e83c72f5156dc941c609
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,84 @@
+@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=
+
+@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
diff --git a/libs/cr.jar b/libs/cr.jar
new file mode 100644
index 0000000000000000000000000000000000000000..301124beaa1ad49d217b4984f107353a33a9a3a2
Binary files /dev/null and b/libs/cr.jar differ
diff --git a/libs/e-ui-sdk-1.0-pie.jar b/libs/e-ui-sdk-1.0-pie.jar
new file mode 100644
index 0000000000000000000000000000000000000000..b3ea359d03d16bd92b3c33d03353d00a4100c425
Binary files /dev/null and b/libs/e-ui-sdk-1.0-pie.jar differ
diff --git a/res/drawable/circle_bg.xml b/res/drawable/circle_bg.xml
new file mode 100644
index 0000000000000000000000000000000000000000..3eac55fb319b1d8cc4631b4710aa0fe64f3a394c
--- /dev/null
+++ b/res/drawable/circle_bg.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/res/drawable/eq_button_backgroud.xml b/res/drawable/eq_button_backgroud.xml
new file mode 100644
index 0000000000000000000000000000000000000000..701f9024467e83a7f4cf3ada436ca79094dee480
--- /dev/null
+++ b/res/drawable/eq_button_backgroud.xml
@@ -0,0 +1,11 @@
+
+
+-
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/res/drawable/ic_del.xml b/res/drawable/ic_del.xml
index f26eac248e552b3d001dcb493cf85a68c99d6b61..f36ae61b8cef0c7b18dcf275e36ac0cc9971e712 100644
--- a/res/drawable/ic_del.xml
+++ b/res/drawable/ic_del.xml
@@ -19,7 +19,9 @@
android:height="24dp"
android:width="24dp"
android:viewportHeight="24"
- android:viewportWidth="24">
+ android:viewportWidth="24"
+ android:tint="@color/color_default_blue1"
+ >
+
+
-
+ app:layout_rowWeight="1"
+ android:onClick="onButtonClick">
+
+
+
diff --git a/res/layout/pad_operator_two_col.xml b/res/layout/pad_operator_two_col.xml
index 23eb857c7445aa60150f6612673532c38a4400f0..45a982d995ddceb0cbd7152aa5f260268bea75f1 100644
--- a/res/layout/pad_operator_two_col.xml
+++ b/res/layout/pad_operator_two_col.xml
@@ -73,12 +73,26 @@
app:layout_row="3"
app:layout_column="0" />
-
+ app:layout_column="1"
+ android:onClick="onButtonClick"
+ app:layout_gravity="fill">
+
+
diff --git a/res/values-w230dp-h475dp-port/styles.xml b/res/values-w230dp-h475dp-port/styles.xml
index 05987adc3eefef013970bd3be893624ae2d48cc2..8354844b07e7caf0fc563ebafd9ae8b4aeefc25d 100644
--- a/res/values-w230dp-h475dp-port/styles.xml
+++ b/res/values-w230dp-h475dp-port/styles.xml
@@ -65,8 +65,8 @@
diff --git a/res/values-w375dp-h500dp-port/styles.xml b/res/values-w375dp-h500dp-port/styles.xml
index 5f5057eb66961a7d98555640e9adc46be0d2d241..d539d27563f0faaef7221b52a8daeffaadd02571 100644
--- a/res/values-w375dp-h500dp-port/styles.xml
+++ b/res/values-w375dp-h500dp-port/styles.xml
@@ -65,8 +65,8 @@
diff --git a/res/values-w520dp-h768dp-land/styles.xml b/res/values-w520dp-h768dp-land/styles.xml
index 61acbd21fd29b278aadc8036f481bee49d038980..5cdebe0faf959fbf7857d6a771ec11ab365a28a0 100644
--- a/res/values-w520dp-h768dp-land/styles.xml
+++ b/res/values-w520dp-h768dp-land/styles.xml
@@ -66,8 +66,8 @@
diff --git a/res/values/color.xml b/res/values/color.xml
index 465b8d166f7dada4638424631b1b5a8b199502ec..7d32e905f318645f020eaf4a1225b5cbb315a46a 100644
--- a/res/values/color.xml
+++ b/res/values/color.xml
@@ -22,6 +22,8 @@
@lineageos.platform:color/color_default_foreground
+ @lineageos.platform:color/color_default_foreground
+
@lineageos.platform:color/color_default_background
@@ -47,13 +49,16 @@
@color/calculator_statusbar_color
- @lineageos.platform:color/color_default_gray2
+
+ #ececec
#333
- @lineageos.platform:color/color_default_foreground
+ @lineageos.platform:color/color_default_primary_text
+
+ @lineageos.platform:color/color_default_blue1
#33000000