diff --git a/demoapp/build.gradle b/demoapp/build.gradle
index d4ccf4e..d78ddfd 100644
--- a/demoapp/build.gradle
+++ b/demoapp/build.gradle
@@ -1,6 +1,7 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
+apply plugin: "kotlin-kapt"
 
 android {
     compileSdkVersion 29
@@ -13,7 +14,7 @@ android {
 
     defaultConfig {
         applicationId "com.mushare.demoapp"
-        minSdkVersion 16
+        minSdkVersion 19
         targetSdkVersion 29
         versionCode 1
         versionName "1.0"
@@ -30,6 +31,11 @@ android {
 
 }
 
+repositories {
+    jcenter()
+    maven { url "https://jitpack.io" }  //Make sure to add this in your project for uCrop
+}
+
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
@@ -39,6 +45,10 @@ dependencies {
     implementation 'androidx.annotation:annotation:1.1.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
+    implementation 'com.github.dhaval2404:imagepicker:1.7.5'
+    implementation 'com.github.florent37:inline-activity-result-kotlin:1.0.4'
+    implementation 'com.github.bumptech.glide:glide:4.11.0'
+    kapt 'com.github.bumptech.glide:compiler:4.11.0'
     testImplementation 'junit:junit:4.13'
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
diff --git a/demoapp/src/main/AndroidManifest.xml b/demoapp/src/main/AndroidManifest.xml
index 8a91dc4..9fd7c18 100644
--- a/demoapp/src/main/AndroidManifest.xml
+++ b/demoapp/src/main/AndroidManifest.xml
@@ -10,7 +10,8 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme">
+        android:theme="@style/AppTheme"
+        android:requestLegacyExternalStorage="true">
         <activity
             android:name=".ui.login.LoginActivity"
             android:label="@string/app_name">
diff --git a/demoapp/src/main/java/com/mushare/demoapp/ui/login/ProfileActivity.kt b/demoapp/src/main/java/com/mushare/demoapp/ui/login/ProfileActivity.kt
index 80e9432..a5a1d68 100644
--- a/demoapp/src/main/java/com/mushare/demoapp/ui/login/ProfileActivity.kt
+++ b/demoapp/src/main/java/com/mushare/demoapp/ui/login/ProfileActivity.kt
@@ -1,17 +1,14 @@
 package com.mushare.demoapp.ui.login;
 
+import android.app.Activity
 import android.os.Bundle
 import android.util.Log
-import android.widget.Button
-import android.widget.EditText
-import android.widget.TextView
-import android.widget.Toast
+import android.widget.*
 import androidx.appcompat.app.AppCompatActivity
+import com.bumptech.glide.Glide
+import com.github.dhaval2404.imagepicker.ImagePicker
 import com.mushare.demoapp.R
-import com.mushare.plutosdk.Pluto
-import com.mushare.plutosdk.getToken
-import com.mushare.plutosdk.myInfo
-import com.mushare.plutosdk.updateName
+import com.mushare.plutosdk.*
 import java.lang.ref.WeakReference
 
 class ProfileActivity : AppCompatActivity() {
@@ -21,30 +18,70 @@ class ProfileActivity : AppCompatActivity() {
     }
 
     private lateinit var nameEditText: WeakReference<EditText>
+    private lateinit var avatarImageView: WeakReference<ImageView>
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
         setContentView(R.layout.activity_profile)
 
-        nameEditText = WeakReference(findViewById<EditText>(R.id.profile_name))
+        nameEditText = WeakReference(findViewById(R.id.profile_name))
+        avatarImageView = WeakReference(findViewById(R.id.profile_avatar))
 
-        Pluto.getInstance()?.myInfo(success = {
-            nameEditText.get()?.setText(it.name)
-        })
+        updateUserInfo()
 
         Pluto.getInstance()?.getToken(completion = {
             findViewById<TextView>(R.id.profile_access_token).text = it ?: "Refresh failed"
         })
 
+        findViewById<Button>(R.id.profile_upload_avatar).setOnClickListener {
+            ImagePicker.with(this)
+                .crop()
+                .compress(64)
+                .maxResultSize(480, 480)
+                .start { resultCode, data ->
+                    when (resultCode) {
+                        Activity.RESULT_OK -> {
+                            Pluto.getInstance()?.uploadAvatar(
+                                imageFile = ImagePicker.getFile(data) ?: return@start,
+                                success = {
+                                    updateUserInfo {
+                                        Toast
+                                            .makeText(
+                                                this,
+                                                "Avatar uploaded",
+                                                Toast.LENGTH_SHORT
+                                            )
+                                            .show()
+                                    }
+                                },
+                                error = {
+                                    Log.d(TAG, "Error uploading avatar $it")
+                                }
+                            )
+                        }
+                        ImagePicker.RESULT_ERROR -> {
+                            Toast
+                                .makeText(this, ImagePicker.getError(data), Toast.LENGTH_SHORT)
+                                .show()
+                        }
+                        else -> {
+                            Toast
+                                .makeText(this, "Task Cancelled", Toast.LENGTH_SHORT)
+                                .show()
+                        }
+                    }
+                }
+        }
+
         findViewById<Button>(R.id.profile_update_name).setOnClickListener {
             val name = nameEditText.get()?.text.toString() ?: return@setOnClickListener
             Pluto.getInstance()?.updateName(
                 name = name,
                 success = {
-                    Pluto.getInstance()?.myInfo(success = {
+                    updateUserInfo {
                         Toast.makeText(this, "Name updated", Toast.LENGTH_SHORT).show()
-                    })
+                    }
                 },
                 error = {
                     Log.d(TAG, "Error updating username $it")
@@ -58,4 +95,15 @@ class ProfileActivity : AppCompatActivity() {
             })
         }
     }
+
+    private fun updateUserInfo(completion: (() -> Unit)? = null) {
+        Pluto.getInstance()?.myInfo(success = { user ->
+            nameEditText.get()?.setText(user.name)
+            avatarImageView.get()?.let {
+                Glide.with(this).load(user.avatar).into(it)
+            }
+            completion?.let { it() }
+        })
+
+    }
 }
diff --git a/demoapp/src/main/res/layout/activity_profile.xml b/demoapp/src/main/res/layout/activity_profile.xml
index 8c94c96..bb70113 100644
--- a/demoapp/src/main/res/layout/activity_profile.xml
+++ b/demoapp/src/main/res/layout/activity_profile.xml
@@ -4,12 +4,22 @@
     android:layout_height="match_parent"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <ImageView
+        android:id="@+id/profile_avatar"
+        android:layout_width="50dp"
+        android:layout_height="50dp"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        android:layout_marginStart="20dp"
+        android:layout_marginTop="20dp"
+        android:background="@color/colorAccent"/>
+
     <EditText
         android:id="@+id/profile_name"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         app:layout_constraintTop_toTopOf="parent"
-        android:layout_marginStart="20dp"
+        android:layout_marginStart="90dp"
         android:layout_marginTop="20dp"
         android:layout_marginEnd="20dp"
         android:hint="Username"/>
@@ -20,19 +30,30 @@
         android:layout_height="wrap_content"
         app:layout_constraintTop_toBottomOf="@id/profile_name"
         android:layout_marginStart="20dp"
-        android:layout_marginTop="10dp"
+        android:layout_marginTop="20dp"
         android:layout_marginEnd="20dp"
         android:text="Update Username"
         />
 
     <Button
-        android:id="@+id/profile_refresh_token"
+        android:id="@+id/profile_upload_avatar"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         app:layout_constraintTop_toBottomOf="@id/profile_update_name"
         android:layout_marginStart="20dp"
         android:layout_marginTop="10dp"
         android:layout_marginEnd="20dp"
+        android:text="Upload Avatar"
+        />
+
+    <Button
+        android:id="@+id/profile_refresh_token"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/profile_upload_avatar"
+        android:layout_marginStart="20dp"
+        android:layout_marginTop="10dp"
+        android:layout_marginEnd="20dp"
         android:text="Refresh Token"/>
 
     <TextView
diff --git a/pluto-kotlin-client-sdk/build.gradle b/pluto-kotlin-client-sdk/build.gradle
index e94621b..cda2d9a 100644
--- a/pluto-kotlin-client-sdk/build.gradle
+++ b/pluto-kotlin-client-sdk/build.gradle
@@ -5,7 +5,7 @@ apply plugin: 'maven-publish'
 
 buildscript {
     ext.versionCode = 11
-    ext.versionName = '0.2.4'
+    ext.versionName = '0.3'
 }
 
 android {
diff --git a/pluto-kotlin-client-sdk/src/main/java/com/mushare/plutosdk/Pluto+User.kt b/pluto-kotlin-client-sdk/src/main/java/com/mushare/plutosdk/Pluto+User.kt
index f310336..2d57058 100644
--- a/pluto-kotlin-client-sdk/src/main/java/com/mushare/plutosdk/Pluto+User.kt
+++ b/pluto-kotlin-client-sdk/src/main/java/com/mushare/plutosdk/Pluto+User.kt
@@ -1,8 +1,13 @@
 package com.mushare.plutosdk
 
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.util.Base64
 import retrofit2.Call
 import retrofit2.Callback
 import retrofit2.Response
+import java.io.ByteArrayOutputStream
+import java.io.File
 
 fun Pluto.myInfo(
     success: (PlutoUser) -> Unit,
@@ -110,3 +115,60 @@ fun Pluto.updateName(
         handler = handler
     )
 }
+
+fun Pluto.uploadAvatar(
+    imageFile: File,
+    success: () -> Unit,
+    error: ((PlutoError) -> Unit)? = null,
+    handler: Pluto.PlutoRequestHandler? = null
+) {
+    val bitmap = BitmapFactory.decodeFile(imageFile.absolutePath)
+    val outputStream = ByteArrayOutputStream()
+    bitmap.compress(Bitmap.CompressFormat.JPEG, 100, outputStream)
+    val base64 = Base64.encodeToString(outputStream.toByteArray(), Base64.DEFAULT)
+    getAuthorizationHeader(
+        completion = { header ->
+            if (header == null) {
+                handler?.setCall(null)
+                error?.invoke(PlutoError.notSignin)
+                return@getAuthorizationHeader
+            }
+
+            val body = UpdateUserInfoPutData(null, base64)
+            plutoService.updateUserInfo(body, header).apply {
+                enqueue(object : Callback<PlutoResponse> {
+                    override fun onFailure(call: Call<PlutoResponse>, t: Throwable) {
+                        t.printStackTrace()
+                        error?.invoke(PlutoError.badRequest)
+                    }
+
+                    override fun onResponse(
+                        call: Call<PlutoResponse>,
+                        response: Response<PlutoResponse>
+                    ) {
+                        val plutoResponse = response.body()
+                        if (plutoResponse != null) {
+                            if (plutoResponse.statusOK()) {
+                                success()
+                            } else {
+                                error?.invoke(plutoResponse.errorCode())
+                            }
+                        } else {
+                            error?.invoke(
+                                parseErrorCodeFromErrorBody(
+                                    response.errorBody(),
+                                    gson
+                                )
+                            )
+                        }
+                    }
+                })
+            }.also {
+                handler?.setCall(it)
+            }
+        },
+        handler = handler
+    )
+}
+
+