Minified reduced apk-size from 536kb to 178kb

Author: k3b

app/build.gradle

@@ -16,9 +16,10 @@ android {
         minSdkVersion 7
         // targetSdkVersion 26
         targetSdkVersion 23
-        versionCode 18
-        versionName '2.0.18.181224'
+        versionCode 19
+        versionName '2.0.19.190413'
 
+        // 2.0.19.190413 (19) Minified reduced apk-size from 536kb to 178kb
         // 2.0.18.181224 (18) Crashlog support (via Settings-Menu)
         // 2.0.17.181130 (17) Settings-Menu send/view/edit/delete zip;zip-subfolder-path; logfile in zip; bugfix duplicate in zip-subfolder
         // 2.0.13.18130  (13) new translation ru ar updates bn ja
@@ -39,11 +40,13 @@ android {
     }
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
+            // shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
         debug {
             minifyEnabled false
+            // shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }

fastlane/metadata/android/en-US/changelogs/19.txt

@@ -0,0 +1 @@
+* Minified reduced apk-size from 536kb to 178kb

libK3b/libK3b.iml

@@ -40,13 +40,5 @@
     <orderEntry type="library" exported="" scope="TEST" name="Gradle: powermock-reflect-1.5.2" level="project" />
     <orderEntry type="library" exported="" scope="TEST" name="Gradle: javassist-3.18.0-GA" level="project" />
     <orderEntry type="library" exported="" scope="TEST" name="Gradle: objenesis-1.2" level="project" />
-    <orderEntry type="library" exported="" name="libK3b.libK3b-L2.0.15" level="project" />
-    <orderEntry type="library" exported="" name="libK3b.libK3b-L2.0.15" level="project" />
-    <orderEntry type="library" exported="" name="libK3b.libK3b-L2.0.15" level="project" />
-    <orderEntry type="library" exported="" name="libK3b.libK3b-L2.0.15" level="project" />
-    <orderEntry type="library" exported="" name="libK3b.libK3b-L2.0.15" level="project" />
-    <orderEntry type="library" exported="" name="libK3b.libK3b-L2.0.15" level="project" />
-    <orderEntry type="library" exported="" name="libK3b.libK3b-L2.0.15" level="project" />
-    <orderEntry type="library" exported="" name="libK3b.libK3b-L2.0.15" level="project" />
   </component>
 </module>

libK3b/src/main/java/de/k3b/io/StringUtils.java

@@ -24,11 +24,23 @@
  */
 
 public class StringUtils {
+    /// @Deprecated use Verson with CharSequence parameter instead of string
+    @Deprecated
     public static int length(String str) {
         return (str != null) ? str.length() : 0;
     }
 
+    /// @Deprecated use Verson with CharSequence parameter instead of string
+    @Deprecated
     public static boolean isNullOrEmpty(String str) {
         return (0 == length(str));
     }
+
+    public static int length(CharSequence str) {
+        return (str != null) ? str.length() : 0;
+    }
+    public static boolean isNullOrEmpty(CharSequence str) {
+        return (0 == length(str));
+    }
+
 }