added sample

sample app/kalip/.gitignore

@@ -0,0 +1,8 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures

sample app/kalip/app/.gitignore

@@ -0,0 +1 @@
+/build

sample app/kalip/app/build.gradle

@@ -0,0 +1,26 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 23
+    buildToolsVersion "23.0.3"
+
+    defaultConfig {
+        applicationId "com.jni.anto.kalip"
+        minSdkVersion 19
+        targetSdkVersion 23
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    testCompile 'junit:junit:4.12'
+    compile 'com.android.support:appcompat-v7:23.3.0'
+}

sample app/kalip/app/proguard-rules.pro

@@ -0,0 +1,17 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /Users/anto/Library/Android/sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

sample app/kalip/app/src/androidTest/java/com/jni/anto/kalip/ApplicationTest.java

@@ -0,0 +1,13 @@
+package com.jni.anto.kalip;
+
+import android.app.Application;
+import android.test.ApplicationTestCase;
+
+/**
+ * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
+ */
+public class ApplicationTest extends ApplicationTestCase<Application> {
+    public ApplicationTest() {
+        super(Application.class);
+    }
+}

sample app/kalip/app/src/main/AndroidManifest.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.jni.anto.kalip">
+    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

sample app/kalip/app/src/main/java/com/jni/anto/kalip/MainActivity.java

@@ -0,0 +1,166 @@
+package com.jni.anto.kalip;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.Button;
+import android.widget.Toast;
+import android.content.Context;
+import android.telephony.TelephonyManager;
+import java.io.File;
+import android.util.Log;
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+import javax.crypto.*;
+import java.security.*;
+
+
+public class MainActivity extends AppCompatActivity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        Button device_id = (Button) findViewById(R.id.button);
+        device_id.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
+                Toast.makeText(getApplicationContext(), tm.getDeviceId(), Toast.LENGTH_SHORT).show();
+                //get The Phone Number
+                //String phone = tm.getLine1Number();
+            }
+
+        });
+
+        Button filecheck = (Button) findViewById(R.id.button2);
+        filecheck.setOnClickListener(new View.OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+
+                File file = new File("/sdcard/test");
+                if (file.exists()) {
+                    Toast.makeText(getApplicationContext(), "File Exist", Toast.LENGTH_SHORT).show();
+                } else {
+                    Toast.makeText(getApplicationContext(), "File Doesnt Exist", Toast.LENGTH_SHORT).show();
+                }
+            }
+        });
+
+        Button rootdetect = (Button) findViewById(R.id.button3);
+        rootdetect.setOnClickListener(new View.OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+                if (isPhoneRooted()) {
+                    Toast.makeText(getApplicationContext(), "Phone Rooted", Toast.LENGTH_LONG).show();
+                }else{
+                    Toast.makeText(getApplicationContext(),"Phone Not Rooted",Toast.LENGTH_SHORT).show();
+                }
+
+            }
+
+        });
+
+
+        Button stringDude = (Button) findViewById(R.id.button4);
+        stringDude.setOnClickListener(new View.OnClickListener(){
+            @Override
+            public void onClick(View v){
+                dude("yaay from string args !");
+
+            }
+        });
+
+
+        Button charDude = (Button) findViewById(R.id.button5);
+        charDude.setOnClickListener(new View.OnClickListener(){
+            @Override
+            public void onClick(View v){
+                char[] array = new char[26];
+                int index = 0;
+                for (char c = 'a'; c <= 'z'; c++) {
+                    array[index++] = c;
+                }
+                dude(array);
+
+            }
+        });
+
+
+        Button encrypt = (Button) findViewById(R.id.button6);
+        encrypt.setOnClickListener(new View.OnClickListener(){
+            @Override
+            public void onClick(View v){
+            try{
+
+
+                byte[] b = "hahaha".getBytes();
+
+                byte[] keyStart = "this is a key".getBytes();
+                KeyGenerator kgen = KeyGenerator.getInstance("AES");
+                SecureRandom sr = SecureRandom.getInstance("SHA1PRNG");
+                sr.setSeed(keyStart);
+                kgen.init(128, sr); // 192 and 256 bits may not be available
+                SecretKey skey = kgen.generateKey();
+                byte[] key = skey.getEncoded();
+
+// encrypt
+                encrypt(key,b);
+
+
+            }catch (Exception e){
+                Log.d("BUGG",e.toString());
+            }
+
+            }
+        });
+}
+
+    public static boolean isPhoneRooted() {
+
+        // get from build info
+        String buildTags = android.os.Build.TAGS;
+        if (buildTags != null && buildTags.contains("test-keys")) {
+            return true;
+        }
+
+        // check if /system/app/Superuser.apk is present
+        try {
+            File file = new File("/system/app/Superuser.apk");
+            if (file.exists()) {
+                return true;
+            }
+        } catch (Throwable e1) {
+            // ignore
+        }
+
+        return false;
+    }
+
+
+    public void dude(String a){
+        Toast.makeText(getApplicationContext(),a.toString(),Toast.LENGTH_LONG).show();
+    }
+    public void dude(char[] a){
+
+        Toast.makeText(getApplicationContext(),new String(a),Toast.LENGTH_LONG).show();
+    }
+
+    public  void encrypt(byte[] raw, byte[] clear) throws Exception {
+        SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
+        Cipher cipher = Cipher.getInstance("AES");
+        cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
+        byte[] encrypted = cipher.doFinal(clear);
+        Toast.makeText(getApplicationContext(),new String(encrypted),Toast.LENGTH_SHORT).show();
+    }
+
+    public  byte[] decrypt(byte[] raw, byte[] encrypted) throws Exception {
+        SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
+        Cipher cipher = Cipher.getInstance("AES");
+        cipher.init(Cipher.DECRYPT_MODE, skeySpec);
+        byte[] decrypted = cipher.doFinal(encrypted);
+        return decrypted;
+    }
+}