chore: shrink resources and use optimized proguard file on Android to reduce the APK size

w568w · w568w · commit 1e0de492ff5d · 2025-03-02T16:35:13.000+08:00
It removes ~300KB from the final APK.
diff --git a/android/app/build.gradle b/android/app/build.gradle
@@ -46,9 +46,9 @@ android {
     }
     buildTypes {
         release {
-            // Signing with the debug keys for now, so `flutter run --release` works.
             minifyEnabled true
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            shrinkResources true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
             // Only used when building a released work.
             signingConfig signingConfigs.release
         }

Original file line number	Diff line number	Diff line change
`@@ -46,9 +46,9 @@ android {`
`46`	`46`	`}`
`47`	`47`	`buildTypes {`
`48`	`48`	`release {`
`49`		- // Signing with the debug keys for now, so `flutter run --release` works.
`50`	`49`	`minifyEnabled true`
`51`		`- proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'`
	`50`	`+ shrinkResources true`
	`51`	`+ proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'`
`52`	`52`	`// Only used when building a released work.`
`53`	`53`	`signingConfig signingConfigs.release`
`54`	`54`	`}`