commit

README

@@ -0,0 +1,14 @@
+My 'compile-apk-helloworld-in-termux' project was 
+used as platform for multiple exploratory attempts 
+at making an android app with javascript, and 
+finally succeeded with this GPT-3 API, using OnsenUI, 
+project. 
+
+The APK is available in (LINK) 'releases' or compile
+yourself with:
+
+Run build from top (this) dir with 
+./build.sh project/
+
+
+

build.sh

@@ -0,0 +1,174 @@
+#!/bin/bash 
+# <---IMPORTANT NOTE! if you dont have
+# termux-exec package installed, that line needs to be:
+# #!$PREFIX/bin/bash
+
+# This guy simply prevents the chain of events from
+# continuing idiotically, if one step fails. The script
+# will stop there.
+function catch_error() {
+  local error_code="$?"
+  echo "Error: $error_code"
+}
+trap catch_error ERR
+set -e
+
+
+# You may need to change this if you found the need
+# to locate your project files outside the hierarchy
+# of the termux 'home' dir
+dir=$PWD/$*
+echo "Work Dir: $dir"
+
+if [ ! -d "$dir" ]; then
+  echo "Directory does not exist"; exit 1;
+else
+  echo "Directory exists, continuing..."; fi
+
+cd $dir
+
+#its likely these arent executable at first download
+chmod a+x toolz/*
+
+export JAVA_HOME="$PREFIX/opt/openjdk"
+export PATH="$PATH:$JAVA_HOME/bin"
+export BUILD_TOOLS="$dir/toolz"
+export PATH="$BUILD_TOOLS:$PATH"
+
+# Clean up junk from last build:
+rm -rf build
+mkdir build
+mkdir build/classes
+
+# Begin compilation!
+
+echo "---------------aapt2: "
+aapt2 compile -v\
+  --dir res \
+  -o build/resources.zip 2>&1 \
+  | sed -E 's/(E|e)rror/\x1b[31merror\x1b[0m/g'
+
+# -I gives the path to the android platform’s android.jar,
+# --manifest specifies the android manifest,
+# --java specifies the path to generate the R.java file.
+# --o specifies the output path.
+
+#eventually we may use shared libs, and this is
+#the start of how that would happen. google makes
+#using appcompat an endless moving target with no
+#explanation and impossible-to-locate jars,  so were
+#skipping it for now. the appcompat libs are in this
+#dir but are unlinked so dont end up in the build:
+##  --shared-lib libs/*.jar \
+#  -I libs/android-support-v4.jar \
+
+
+aapt2 link -v  \
+  -A assets/ \
+  -I toolz/android.jar \
+  --manifest AndroidManifest.xml \
+  --java build/ \
+  -o build/link.apk \
+   build/resources.zip \
+   --auto-add-overlay 2>&1 \
+    | sed -E 's/(E|e)rror/\x1b[31merror\x1b[0m/g'
+
+# This will compile our code to java bytecode
+# and place the .class files in build/classes
+# directory. Take note of the R.java file which
+# is the one that was generated in the previous step.
+# Without --release=8 nothing will work and
+# puppies will die
+# filter:trim path from android.jar
+# sed -E 's/.*\/([^/]*\.class).*/\[android.jar\]\-\-\-\>\ \1/'
+# filter: 'error' in red:
+# sed -E 's/error/\x1b[31merror\x1b[0m/g'
+# filter: trim (some) java paths:
+# sed -E 's/(*.\/java.base\/java\/)(.*)(\])/\2/'
+
+
+echo "---------------- Using `$JAVA_HOME/bin/javac --version` ---------------"
+$JAVA_HOME/bin/javac --release=8 -verbose \
+ -d build/classes \
+    --class-path toolz/android.jar \
+ src/com/hellogpt/MainActivity.java \
+ build/com/hellogpt/R.java 2>&1 \
+  | sed -E -e 's/.*\/([^/]*\.class).*/\[android.jar\]\-\-\-\>\ \1/' \
+-e 's/(E|e)rror/\x1b[31merror\x1b[0m/g' \
+-e 's/(.*\/java.base\/java\/)(.*)(\])/\[java 8\]\-\-\-\-\>\ \2/'
+
+
+# Once we have java bytecode we now convert it to
+# DEX bytecode that runs on android devices.
+# This is done using android’s d8 commandline tool.
+
+# d8 uses '/bin/ls' which is not where it is, in termux.
+# this..i found out you could get termux-ready versions of
+# both these tools so these arent being used anymore.
+#sed -i 's/\/bin\/ls/ls/g' $BUILD_TOOLS/dx
+#sed -i 's/\/bin\/ls/ls/g' $BUILD_TOOLS/d8
+
+# IF you dont include that 'cd' below, the fails will be monumental.
+# it took me 60% of the time i spent on this to figure out
+# that this tool WILL NOT FUNCTION unless the directory structure
+# matches the package name, ie com/hellogpt com.hellogpt.
+# if it even catches a glimpse that its actually src/com/hellogpt
+# itll uncompromisingly refuse to communicate or function
+
+# To convert into dex :
+echo "---------------d8: "
+cd $dir/build/classes
+dx --dex --verbose --debug --min-sdk-version=26\
+                 --output=classes.dex \
+                com/hellogpt/*.class \
+
+# This is the same step as above (you only need
+# but one of them) but uses d8 instead of dx.
+# I chose dx only because its debug output is better
+# (d8 is completely silent and impossible to troubleshoot,
+# however in the end I got them both to work.)
+#$BUILD_TOOLS/d8 --classpath $ANDROID_HOME/platforms/$TARGET_PLATFORM/android.jar \
+#       --output build/dex/ \
+#       $(ls -1 build/classes/com/hellogpt |\
+#        xargs -I{} printf "%s "\
+#        "build/classes/com/hellogpt/{}")
+
+
+# The output will be a file called classes.dex.
+# We then need to add this file into our link.apk
+# that was generated in the linking stage:
+# (notice that zip comes from your system and isn't
+# in android sdk):
+
+echo "---------------zip: "
+zip -v -u ../link.apk classes.dex
+
+
+# Next we need to zip align our apk using the
+# zipalign tool and then sign the apk using the
+# apksigner tool.
+
+echo "---------------zipalign: "
+$BUILD_TOOLS/zipalign -v -f -p 4 ../link.apk ../zipout.apk
+
+# (To sign the application you will need to have a
+# public-private key pair. You can generate one
+# using java’s keytool. This you only do once, so
+# if its your first time thru, uncomment the 'keytool'
+# line and answer the questions:
+# I used 'password' when asked for one, see below:
+#keytool -genkeypair -keystore key.keystore -keyalg RSA
+
+
+# And sign! --ks-pass pass:<YOUR PASS HERE> if you change it.
+echo "---------------apksigner: "
+$BUILD_TOOLS/apksigner sign \
+  --verbose \
+  --ks $dir/key.keystore \
+  --ks-pass pass:password \
+  --out ../final.apk ../zipout.apk
+
+# The output of this is apk: final.apk.
+echo
+echo
+echo "...if success, result is $dir/build/final.apk"

project/AndroidManifest.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest
+  xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.hellogpt"
+    android:versionCode="1"
+    android:versionName="1.11" >
+  <uses-permission android:name="android.permission.INTERNET" />
+  <uses-sdk 
+           android:minSdkVersion="26" 
+           android:targetSdkVersion="30" />
+  <application 
+
+	         android:icon="@drawable/determined_fish"
+           android:label="GPT-3" 
+           android:debuggable="true" 
+           android:allowBackup="true"
+           android.minifyEnabled="false" >
+    <activity
+    android:theme="@android:style/Theme.NoTitleBar" android:name="com.hellogpt.MainActivity">
+      <intent-filter>
+        <action android:name="android.intent.action.MAIN"/>
+        <category android:name="android.intent.category.LAUNCHER" />
+      </intent-filter>
+    </activity>
+  </application>
+</manifest>

project/assets/LICENSE

@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 Fran Dios
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+