added handle app uninstallation

Author: pradeep1991singh

android/.settings/org.eclipse.buildship.core.prefs

@@ -0,0 +1,2 @@
+#Tue Jun 27 15:40:46 IST 2017
+connection.project.dir=../../../android

android/src/main/java/com/reactlibrary/securekeystore/Constants.java

@@ -13,4 +13,4 @@ public class Constants {
 
     // Internal storage file
     public static final String SKS_FILENAME = "SKS_KEY_FILE";
-}
+}

example/android/.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>example</name>
+	<comment>Project example created by Buildship.</comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.buildship.core.gradleprojectbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
+	</natures>
+</projectDescription>

example/android/.settings/org.eclipse.buildship.core.prefs

@@ -0,0 +1,3 @@
+#Sat Jun 24 10:56:21 IST 2017
+connection.gradle.distribution=GRADLE_DISTRIBUTION(WRAPPER)
+connection.project.dir=

example/android/app/.classpath

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.buildship.core.gradleclasspathcontainer"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

example/android/app/.project

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>app</name>
+	<comment>Project app created by Buildship.</comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.buildship.core.gradleprojectbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
+	</natures>
+</projectDescription>

example/android/app/.settings/org.eclipse.buildship.core.prefs

@@ -0,0 +1,2 @@
+#Sat Jun 24 10:56:21 IST 2017
+connection.project.dir=..

ios/RNSecureKeyStore.m

@@ -87,6 +87,28 @@ - (void)deleteKeychainValue:(NSString *)identifier {
     SecItemDelete((CFDictionaryRef)searchDictionary);
 }
 
+- (void)clearSecureKeyStore
+{
+    NSArray *secItemClasses = @[(__bridge id)kSecClassGenericPassword,
+                        (__bridge id)kSecAttrGeneric,
+                        (__bridge id)kSecAttrAccount,
+                        (__bridge id)kSecClassKey,
+                        (__bridge id)kSecAttrService];
+    for (id secItemClass in secItemClasses) {
+        NSDictionary *spec = @{(__bridge id)kSecClass: secItemClass};
+        SecItemDelete((__bridge CFDictionaryRef)spec);
+    }
+}
+
+- (void)handleAppUninstallation
+{
+    if (![[NSUserDefaults standardUserDefaults] boolForKey:@"RnSksIsAppInstalled"]) {
+        [self clearSecureKeyStore];
+        [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"RnSksIsAppInstalled"];
+        [[NSUserDefaults standardUserDefaults] synchronize];
+    }
+}
+
 NSError * secureKeyStoreError(NSString *errMsg)
 {
     NSError *error = [NSError errorWithDomain:serviceName code:200 userInfo:@{@"Error reason": errMsg}];
@@ -98,6 +120,7 @@ - (void)deleteKeychainValue:(NSString *)identifier {
                   rejecter:(RCTPromiseRejectBlock)reject)
 {
     @try {
+        [self handleAppUninstallation];
         BOOL status = [self createKeychainValue: value forIdentifier: key];
         if (status) {
             resolve(@"key stored successfully");
@@ -120,6 +143,7 @@ - (void)deleteKeychainValue:(NSString *)identifier {
                   rejecter:(RCTPromiseRejectBlock)reject)
 {
     @try {
+        [self handleAppUninstallation];
         NSString *value = [self searchKeychainCopyMatching:key];
         if (value == nil) {
             reject(@"no_events", @"Not able to find key", secureKeyStoreError(@"Not able to find key"));

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-native-secure-key-store",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "React Native Library for securely storing keys to iOS and Android devices in KeyChain and KeyStore respectively.",
   "main": "index.js",
   "scripts": {