refactor: sdk

.gitignore

@@ -0,0 +1,13 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 28
+    defaultConfig {
+        applicationId "com.imagekit.android"
+        minSdkVersion 21
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'androidx.core:core-ktx:1.0.2'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test:runner:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
+
+    implementation 'com.squareup.picasso:picasso:2.71828'
+    implementation project(":imagekit")
+}

app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# 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 *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/com/imagekit/android/ExampleInstrumentedTest.kt

@@ -0,0 +1,24 @@
+package com.imagekit.android
+
+import android.support.test.InstrumentationRegistry
+import android.support.test.runner.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getTargetContext()
+        assertEquals("com.imagekit.android", appContext.packageName)
+    }
+}

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.imagekit.android">
+
+    <application
+            android:allowBackup="true"
+            android:icon="@mipmap/ic_launcher"
+            android:label="@string/app_name"
+            android:roundIcon="@mipmap/ic_launcher_round"
+            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>

app/src/main/java/com/imagekit/android/MainActivity.kt

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+package com.imagekit.android
+
+import android.os.Bundle
+import android.util.Log
+import androidx.appcompat.app.AppCompatActivity
+import com.imagekit.android.entity.UploadError
+import com.imagekit.android.entity.UploadResponse
+import com.squareup.picasso.Picasso
+import kotlinx.android.synthetic.main.activity_main.*
+
+class MainActivity : AppCompatActivity(), ImageKitCallback {
+    private val CLIENT_PUBLIC_KEY = "amJ0i84qqCLLbOl25vqSozezhuc="
+    private val IMAGEKIT_ID = "bowstring"
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        ImageKit.init(applicationContext, CLIENT_PUBLIC_KEY, IMAGEKIT_ID)
+
+//        val filename = "icLauncher.png"
+//        val timestamp = System.currentTimeMillis()
+//        ImageKit.getInstance().uploadImage(
+//            filename
+//            , SignatureUtil.sign("apiKey=$CLIENT_PUBLIC_KEY&filename=$filename&timestamp=$timestamp")
+//            , timestamp
+//            , true
+//            , arrayOf("nice", "copy", "books")
+//            , "/rishabh/folder/"
+//            , (ResourcesCompat.getDrawable(resources, R.drawable.ic_agronomist, null) as BitmapDrawable).bitmap
+//            , this
+//        )
+
+        val imagePath = ImagekitUrlConstructor("https://ik.imagekit.io/bowstring", "icLauncher.png")
+            .width(600f)
+            .aspectRatio(4,3)
+            .create()
+
+        Log.d("Image Path Constructed", imagePath)
+
+        Picasso.get()
+            .load(imagePath)
+            .into(iv_imagekit)
+    }
+
+    override fun onError(uploadError: UploadError) {
+        Log.d(MainActivity::class.simpleName, "ERROR")
+    }
+
+    override fun onSuccess(uploadResponse: UploadResponse) {
+        Log.d(MainActivity::class.simpleName, "SUCCESS")
+    }
+}

app/src/main/java/com/imagekit/android/SignatureUtil.java

@@ -0,0 +1,73 @@
+package com.imagekit.android;
+
+import javax.crypto.Mac;
+import javax.crypto.spec.SecretKeySpec;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+import java.util.Formatter;
+import java.util.Locale;
+
+public class SignatureUtil {
+    private static final String PRIVATE_CLIENT_KEY = "dI7GuFhK/BrmAAzKOcm3JXdnJjc=";
+
+    public static String createSignature(String filename, Long timestamp, String apiKey) {
+        try {
+            String signature =
+                    String.format(Locale.getDefault(), "apikey=%s&filename=%s&timestamp=%d", apiKey, filename, timestamp);
+            return hmacSha1(signature, PRIVATE_CLIENT_KEY);
+        } catch (NoSuchAlgorithmException | InvalidKeyException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+
+    private static String hmacSha1(String value, String key)
+            throws NoSuchAlgorithmException,
+            InvalidKeyException {
+        String type = "HmacSHA1";
+        SecretKeySpec secret = new SecretKeySpec(key.getBytes(), type);
+        Mac mac = Mac.getInstance(type);
+        mac.init(secret);
+        byte[] bytes = mac.doFinal(value.getBytes());
+        return bytesToHex(bytes);
+    }
+
+    private final static char[] hexArray = "0123456789abcdef".toCharArray();
+
+    private static String bytesToHex(byte[] bytes) {
+        char[] hexChars = new char[bytes.length * 2];
+        int v;
+        for (int j = 0; j < bytes.length; j++) {
+            v = bytes[j] & 0xFF;
+            hexChars[j * 2] = hexArray[v >>> 4];
+            hexChars[j * 2 + 1] = hexArray[v & 0x0F];
+        }
+        return new String(hexChars);
+    }
+
+    private static final String ALGORITHM = "HmacSHA1";
+
+    public static String sign(String content) {
+        String encoded;
+        try {
+            SecretKeySpec signingKey = new SecretKeySpec(PRIVATE_CLIENT_KEY.getBytes(), ALGORITHM);
+            Mac mac = Mac.getInstance(ALGORITHM);
+            mac.init(signingKey);
+            encoded = toHexString(mac.doFinal(content.getBytes()));
+        } catch (NoSuchAlgorithmException e) {
+            throw new RuntimeException("Cannot create signature.", e);
+        } catch (InvalidKeyException e) {
+            throw new RuntimeException("Cannot create signature.", e);
+        }
+        return encoded;
+    }
+
+    private static String toHexString(byte[] bytes) {
+        Formatter formatter = new Formatter();
+        for (byte b : bytes) {
+            formatter.format("%02x", b);
+        }
+        return formatter.toString();
+    }
+}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

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+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:aapt="http://schemas.android.com/aapt"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path
+            android:fillType="evenOdd"
+            android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+            android:strokeColor="#00000000"
+            android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                    android:endX="78.5885"
+                    android:endY="90.9159"
+                    android:startX="48.7653"
+                    android:startY="61.0927"
+                    android:type="linear">
+                <item
+                        android:color="#44000000"
+                        android:offset="0.0"/>
+                <item
+                        android:color="#00000000"
+                        android:offset="1.0"/>
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+            android:fillColor="#FFFFFF"
+            android:fillType="nonZero"
+            android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+            android:strokeColor="#00000000"
+            android:strokeWidth="1"/>
+</vector>