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Add adaptive icon generation and mipmap resources to AndroidGradleBuilder #4569

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Merged
shai-almog merged 1 commit into from
Feb 25, 2026
+86 −1
Merged

Add adaptive icon generation and mipmap resources to AndroidGradleBuilder #4569

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87 changes: 86 additions & 1 deletion ...n/codenameone-maven-plugin/src/main/java/com/codename1/builders/AndroidGradleBuilder.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1754,6 +1754,27 @@ public void usesClassMethod(String cls, String method) {
drawableXXhdpiDir.mkdirs();
File drawableXXXhdpiDir = new File(resDir, "drawable-xxxhdpi");
drawableXXXhdpiDir.mkdirs();
boolean enableAdaptiveIcons = request.getArg("android.enableAdaptiveIcons", "false").equals("true");
File mipmapMdpiDir = null;
File mipmapHdpiDir = null;
File mipmapXhdpiDir = null;
File mipmapXXhdpiDir = null;
File mipmapXXXhdpiDir = null;
File mipmapAnydpiV26Dir = null;
if (enableAdaptiveIcons) {
mipmapMdpiDir = new File(resDir, "mipmap-mdpi");
mipmapMdpiDir.mkdirs();
mipmapHdpiDir = new File(resDir, "mipmap-hdpi");
mipmapHdpiDir.mkdirs();
mipmapXhdpiDir = new File(resDir, "mipmap-xhdpi");
mipmapXhdpiDir.mkdirs();
mipmapXXhdpiDir = new File(resDir, "mipmap-xxhdpi");
mipmapXXhdpiDir.mkdirs();
mipmapXXXhdpiDir = new File(resDir, "mipmap-xxxhdpi");
mipmapXXXhdpiDir.mkdirs();
mipmapAnydpiV26Dir = new File(resDir, "mipmap-anydpi-v26");
mipmapAnydpiV26Dir.mkdirs();
}

try {
BufferedImage iconImage = ImageIO.read(new ByteArrayInputStream(request.getIcon()));
Expand All @@ -1765,6 +1786,65 @@ public void usesClassMethod(String cls, String method) {
createIconFile(new File(drawableXXhdpiDir, "icon.png"), iconImage, 144, 144);
createIconFile(new File(drawableXXXhdpiDir, "icon.png"), iconImage, 192, 192);

if (enableAdaptiveIcons) {
createIconFile(new File(mipmapMdpiDir, "ic_launcher.png"), iconImage, 48, 48);
createIconFile(new File(mipmapHdpiDir, "ic_launcher.png"), iconImage, 72, 72);
createIconFile(new File(mipmapXhdpiDir, "ic_launcher.png"), iconImage, 96, 96);
createIconFile(new File(mipmapXXhdpiDir, "ic_launcher.png"), iconImage, 144, 144);
createIconFile(new File(mipmapXXXhdpiDir, "ic_launcher.png"), iconImage, 192, 192);

createIconFile(new File(mipmapMdpiDir, "ic_launcher_foreground.png"), iconImage, 108, 108);
createIconFile(new File(mipmapHdpiDir, "ic_launcher_foreground.png"), iconImage, 162, 162);
createIconFile(new File(mipmapXhdpiDir, "ic_launcher_foreground.png"), iconImage, 216, 216);
createIconFile(new File(mipmapXXhdpiDir, "ic_launcher_foreground.png"), iconImage, 324, 324);
createIconFile(new File(mipmapXXXhdpiDir, "ic_launcher_foreground.png"), iconImage, 432, 432);

String adaptiveIconBackgroundImage = request.getArg("android.adaptiveIconBackgroundImage", "").trim();
String adaptiveIconBackgroundRef;
if (adaptiveIconBackgroundImage.length() > 0) {
File adaptiveBackgroundFile = new File(adaptiveIconBackgroundImage);
if (!adaptiveBackgroundFile.isAbsolute()) {
adaptiveBackgroundFile = new File(assetsDir, adaptiveIconBackgroundImage);
}
if (!adaptiveBackgroundFile.exists()) {
throw new BuildException("android.adaptiveIconBackgroundImage must reference an existing image file. Tried: " + adaptiveBackgroundFile.getAbsolutePath());
}
BufferedImage adaptiveBackground = ImageIO.read(adaptiveBackgroundFile);
if (adaptiveBackground == null) {
throw new BuildException("android.adaptiveIconBackgroundImage is not a readable image file: " + adaptiveBackgroundFile.getAbsolutePath());
}
createIconFile(new File(mipmapMdpiDir, "ic_launcher_background.png"), adaptiveBackground, 108, 108);
createIconFile(new File(mipmapHdpiDir, "ic_launcher_background.png"), adaptiveBackground, 162, 162);
createIconFile(new File(mipmapXhdpiDir, "ic_launcher_background.png"), adaptiveBackground, 216, 216);
createIconFile(new File(mipmapXXhdpiDir, "ic_launcher_background.png"), adaptiveBackground, 324, 324);
createIconFile(new File(mipmapXXXhdpiDir, "ic_launcher_background.png"), adaptiveBackground, 432, 432);
adaptiveIconBackgroundRef = "@mipmap/ic_launcher_background";
} else {
String adaptiveIconBackground = request.getArg("android.adaptiveIconBackground", "#ffffff");
String iconBackgroundColors = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
+ "<resources>\n"
+ " <color name=\"ic_launcher_background\">" + adaptiveIconBackground + "</color>\n"
+ "</resources>\n";
try (OutputStream output = Files.newOutputStream(new File(valsDir, "ic_launcher_background.xml").toPath())) {
output.write(iconBackgroundColors.getBytes(StandardCharsets.UTF_8));
}
adaptiveIconBackgroundRef = "@color/ic_launcher_background";
}

String adaptiveIconXml = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
+ "<adaptive-icon xmlns:android=\"http://schemas.android.com/apk/res/android\">\n"
+ " <background android:drawable=\"" + adaptiveIconBackgroundRef + "\" />\n"
+ " <foreground android:drawable=\"@mipmap/ic_launcher_foreground\" />\n"
+ "</adaptive-icon>\n";

try (OutputStream output = Files.newOutputStream(new File(mipmapAnydpiV26Dir, "ic_launcher.xml").toPath())) {
output.write(adaptiveIconXml.getBytes(StandardCharsets.UTF_8));
}
try (OutputStream output = Files.newOutputStream(new File(mipmapAnydpiV26Dir, "ic_launcher_round.xml").toPath())) {
output.write(adaptiveIconXml.getBytes(StandardCharsets.UTF_8));
}
}

File notifFile = new File(assetsDir, "ic_stat_notify.png");
if (notifFile.exists()) {
BufferedImage bi = ImageIO.read(notifFile);
Expand Down Expand Up @@ -2239,9 +2319,14 @@ public void usesClassMethod(String cls, String method) {
if (!applicationAttr.contains("android:label")) {
applicationNode += " android:label=\"" + xmlizedDisplayName + "\" ";
}
if (!applicationAttr.contains("android:icon")) {
if (enableAdaptiveIcons && !applicationAttr.contains("android:icon")) {
applicationNode += " android:icon=\"@mipmap/ic_launcher\" ";
} else if (!applicationAttr.contains("android:icon")) {
applicationNode += " android:icon=\"@drawable/icon\" ";
}
if (enableAdaptiveIcons && !applicationAttr.contains("android:roundIcon")) {
applicationNode += " android:roundIcon=\"@mipmap/ic_launcher_round\" ";
}
if (request.getArg("android.multidex", "true").equals("true") && Integer.parseInt(minSDK) < 21) {
debug("Setting Application node to MultiDexApplication because minSDK="+minSDK+" < 21");
applicationNode += " android:name=\""+xclass("android.support.multidex.MultiDexApplication")+"\" ";
Expand Down
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