Merge pull request #30 from StringCare/develop

Develop

Author: efraespada

README.md

@@ -16,7 +16,7 @@ Gradle implementation
 buildscript { 
  
     ext {
-        stringcare_version = '0.6'
+        stringcare_version = '0.7'
     }
     
     repositories {
@@ -57,8 +57,9 @@ The plugin will encrypt all string tags with `hidden="true"` as attribute.
 
 ```xml
 <resources>
-	<string name="hello" hidden="true">hello world!</string>
-	<string name="app_name">StringObfuscator</string>
+    <string name="app_name">StringObfuscator</string>
+    <string name="hello" hidden="true">hello world!</string>
+    <string name="test_a" hidden="true">%1$s (%2$d)</string>
 </resources>
 ```
 
@@ -72,6 +73,7 @@ String encrypted = SC.encryptString(string_var);
 From resources:
 ```java
 String decrypted = SC.getString(R.string.hello);
+String decrypted = SC.getString(R.string.test_a, "hi", 3); // hi (3) 
 ```
 Or from encrypted variables:
 ```java

build.gradle

@@ -2,7 +2,7 @@
 buildscript {
 
     ext {
-        stringcare_version = '0.6'
+        stringcare_version = '0.7'
     }
 
     repositories {
@@ -16,7 +16,7 @@ buildscript {
 
     dependencies {
         classpath "com.stringcare:plugin:$stringcare_version"
-        // classpath files('../AndroidPlugin/build/libs/plugin-0.4.jar')
+        // classpath files('../AndroidPlugin/build/libs/plugin-0.7.jar')
         classpath 'com.android.tools.build:gradle:3.0.1'
         classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7.1"
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'

library/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.android.library'
 apply plugin: 'com.github.dcendents.android-maven'
 apply plugin: 'com.jfrog.bintray'
 
-version = "0.6"
+version = "0.7"
 
 android {
     compileSdkVersion 25
@@ -11,7 +11,7 @@ android {
     defaultConfig {
         minSdkVersion 9
         targetSdkVersion 25
-        versionCode 1
+        versionCode 2
         versionName version
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

library/src/main/java/com/stringcare/library/SC.java

@@ -4,6 +4,9 @@
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.Signature;
+import android.content.res.Resources;
+import android.os.Build;
+import android.support.annotation.StringRes;
 import android.util.Log;
 
 import java.io.ByteArrayInputStream;
@@ -16,6 +19,7 @@
 import java.security.cert.CertificateFactory;
 import java.security.cert.X509Certificate;
 import java.util.Arrays;
+import java.util.Locale;
 
 import javax.crypto.Cipher;
 import javax.crypto.SecretKey;
@@ -148,7 +152,7 @@ private static String byteArrayToHexString(byte[] bytes) {
      * @param id
      * @return String
      */
-    public static String getString(int id) {
+    public static String getString(@StringRes int id) {
         if (context == null) {
             Log.e(TAG, "Library not initialized: SC.init(Context)");
             return null;
@@ -163,6 +167,17 @@ public static String getString(int id) {
         return context.getString(id); // returns original value, maybe not encrypted
     }
 
+    public static String getString(@StringRes int id, Object... formatArgs) {
+        String value = getString(id);
+        Locale locale;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            locale = Resources.getSystem().getConfiguration().getLocales().get(0);
+        } else {
+            locale = Resources.getSystem().getConfiguration().locale;
+        }
+        return String.format(locale, value, formatArgs);
+    }
+
     /**
      * encrypts the given value
      * @param value

library/src/main/res/values/strings.xml

@@ -1,3 +1,3 @@
 <resources>
-    <string name="app_name">AndroidStringObfuscator</string>
+    <string name="app_name">StringCareLibrary</string>
 </resources>

sample/src/main/java/com/efraespada/stringobfuscator/MainActivity.java

@@ -21,12 +21,16 @@ protected void onCreate(Bundle savedInstanceState) {
         message += " is ";
         message += SC.getString(stringId);
 
-        // secret
+        // secret var
         String mySecret = "lalilulelo";
 
         message += "\n\nFor Metal Gear lovers:\n\n\"Snake, the password is " + SC.encryptString(message)
             + "\n\n.. or " + SC.decryptString(SC.encryptString(mySecret)) + "\"";
 
-        ((TextView) findViewById(R.id.example)).setText(message);
+        ((TextView) findViewById(R.id.example_a)).setText(message);
+
+        String numbers = getString(R.string.test_a, "hi", 3) + " is " + SC.getString(R.string.test_a, "hi", 3);
+        ((TextView) findViewById(R.id.example_b)).setText(numbers);
+
     }
 }

sample/src/main/res/layout/activity_main.xml

@@ -11,13 +11,31 @@
     android:background="@android:color/background_light"
     tools:context="com.efraespada.stringobfuscator.MainActivity">
 
-    <TextView
-        android:id="@+id/example"
-        android:layout_width="wrap_content"
+    <LinearLayout
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_centerInParent="true"
-        android:textColor="@android:color/black"
-        android:text="" />
+        android:orientation="vertical"
+        android:layout_centerInParent="true">
+
+        <TextView
+            android:padding="10dp"
+            android:id="@+id/example_a"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:textColor="@android:color/black"
+            android:text="" />
+
+        <TextView
+            android:padding="10dp"
+            android:id="@+id/example_b"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:textColor="@android:color/black"
+            android:text="" />
+
+    </LinearLayout>
 
 
 </RelativeLayout>

sample/src/main/res/values/strings.xml

@@ -1,4 +1,5 @@
 <resources>
     <string name="hello" hidden="true">hello world!</string>
     <string name="app_name">String Obfuscator Sample</string>
+    <string name="test_a" hidden="true">%1$s (%2$d)</string>
 </resources>