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make function for .class and .dex

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This commit is contained in:
Jean-Marie 'Histausse' Mineau 2025-10-30 23:43:24 +01:00
parent 8feefbefe5
commit 1d6ff63406
Signed by: histausse
GPG key ID: B66AEEDA9B645AD2
6 changed files with 91 additions and 24 deletions
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1
build.sh
View file

@ -13,4 +13,5 @@ fi
#~/Android/Sdk/platform-tools/adb install app.signed.apk
#~/Android/Sdk/platform-tools/adb shell am start -n com.example.shadowing/.MainActivity
#adb logcat -s SHADOWING
#~/Android/Sdk/platform-tools/adb uninstall com.example.shadowing

79
flake.nix
View file

@ -15,7 +15,6 @@
allowUnfree = true;
};
};
#pkgs = nixpkgs.legacyPackages.${system};
jdk = pkgs.javaPackages.compiler.openjdk17;
android-env = pkgs.androidenv.composeAndroidPackages {
buildToolsVersions = [ "34.0.0" ];
@ -23,36 +22,76 @@
};
platforms = "${builtins.head android-env.platforms}/libexec/android-sdk/platforms/android-34";
build-tools = "${builtins.head android-env.build-tools}/libexec/android-sdk/build-tools/34.0.0";
# build-tools = pkgs.runCommandNoCC "build-tools-v34_0_0-unzip" {} ''
# ${pkgs.unzip}/bin/unzip ${pkgs.androidenv.androidPkgs.all.packages.build-tools.v34_0_0} -d tmp
# mkdir $out
# mv tmp/android-14/* $out/
# patchShebangs $out/d8
# '';
# platforms = pkgs.runCommandNoCC "platforms-v34_0_0-unzip" {} ''
# ${pkgs.unzip}/bin/unzip ${pkgs.androidenv.androidPkgs.all.packages.platforms.v34} -d tmp
# mkdir $out
# mv tmp/android-34/* $out/
# '';
javaCompile = folder: pkgs.stdenvNoCC.mkDerivation {
name = "java-class-${folder}";
src = self;
buildInputs = [ jdk android-env.androidsdk ];
phases = ["unpackPhase" "buildPhase"];
buildPhase = ''
mkdir $out
javac -classpath ${platforms}/android.jar $(find ${folder} -type f -name '*.java') -d $out/
'';
};
java2dex = drv: pkgs.stdenvNoCC.mkDerivation {
name = "${drv}-classes.dex";
srcs = drv;
# jdk env needed for d8
buildInputs = [ jdk android-env.androidsdk ];
phases = ["unpackPhase" "buildPhase" "installPhase"];
buildPhase = ''
mkdir build
d8 --classpath ${platforms}/android.jar $(find . -name '*.class') --output build/
'';
installPhase = ''
mv build/classes.dex $out
'';
};
java-classes-main = pkgs.stdenvNoCC.mkDerivation {
name = "java-class-main";
src = self;
buildInputs = [ jdk android-env.androidsdk ];
phases = ["unpackPhase" "buildPhase"];
buildPhase = ''
mkdir $out
javac -classpath ${platforms}/android.jar $(find java/main -type f -name '*.java') $(find java/actual -type f -name '*.java') -d $out/
find java/actual/ -type f -name '*.java' | while read f ; do
class_file=$(echo $f | sed "s#java/actual/##" | sed 's/.java/.class/')
rm $out/$class_file
done
'';
};
java-classes-actual = javaCompile "java/actual";
java-classes-dummy = javaCompile "java/dummy";
java-classes-empty = javaCompile "java/empty";
main-actual-classes-dex = java2dex (pkgs.symlinkJoin {
name = "classes-main-actual";
paths = [ java-classes-main java-classes-actual ];
});
main-dummy-classes-dex = java2dex (pkgs.symlinkJoin {
name = "classes-main-dummy";
paths = [ java-classes-main java-classes-dummy ];
});
main-classes-dex = java2dex java-classes-main;
actual-classes-dex = java2dex java-classes-actual;
dummy-classes-dex = java2dex java-classes-dummy;
empty-classes-dex = java2dex java-classes-empty;
in rec {
packages = {
default = pkgs.stdenvNoCC.mkDerivation rec {
name = "com-example-shadowing.apk";
src = self;
srcs = self;
buildInputs = [ jdk android-env.androidsdk pkgs.which ];
phases = ["unpackPhase" "buildPhase" "installPhase"];
buildPhase = ''
mkdir build
${jdk}/bin/javac -classpath ${platforms}/android.jar java/classes/com/example/shadowing/MainActivity.java -d build/
file build/com/example/shadowing/MainActivity.class >> build/tools.txt
echo $(which d8) --classpath ${platforms}/android.jar build/com/example/shadowing/MainActivity.class --output build/ >> build/tools.txt
d8 --classpath ${platforms}/android.jar build/com/example/shadowing/MainActivity.class --output build/
mkdir -p build/apk_files/
cp build/classes.dex build/apk_files/
cp ${main-actual-classes-dex} build/apk_files/classes.dex
# link classes.dex not working?
# ${build-tools}/aapt2 link -v ---manifest AndroidManifest.xml -I ${platforms}/android.jar -o build/app.apk build/apk_files/
${build-tools}/aapt package -v -f -M AndroidManifest.xml -I ${platforms}/android.jar -F build/app.apk build/apk_files/

10
java/actual/com/example/shadowing/Main.java Normal file
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@ -0,0 +1,10 @@
package com.example.shadowing;
public class Main {
private static String value = "actual";
public static void actual() {}
public static String getValue() {
actual();
return Main.value;
}
}

10
java/dummy/com/example/shadowing/Main.java Normal file
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@ -0,0 +1,10 @@
package com.example.shadowing;
public class Main {
private static String value = "dummy";
public static void dummy() {}
public static String getValue() {
dummy();
return Main.value;
}
}

4
java/empty/com/example/shadowing/Empty.java Normal file
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@ -0,0 +1,4 @@
package com.example.shadowing;
public class Empty {
}

11
java/classes/com/example/shadowing/MainActivity.java → java/main/com/example/shadowing/MainActivity.java
View file

@ -6,22 +6,25 @@ import android.os.Bundle;
import android.widget.LinearLayout;
import android.widget.TextView;
//import android.widget.RelativeLayout;
//import android.view.ViewGroup;
//import android.view.View;
import android.util.Log;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
String txt = Main.getValue();
String pkg_name = getApplicationContext().getPackageName();
LinearLayout ll = new LinearLayout(this);
ll.setOrientation(LinearLayout.VERTICAL);
ll.generateViewId();
setContentView(ll);
TextView tw = new TextView(this);
tw.setText("Hello Void!");
tw.setText(txt);
tw.generateViewId();
ll.addView(tw);
Log.i("SHADOWING", "App: " + pkg_name + ", txt: " + txt);
}
}