upload picture implemented

still need to link it with create a post and DataBase

app/src/main/AndroidManifest.xml

@@ -3,6 +3,7 @@
     package="com.h.pixeldroid">
 
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
 
     <application
         android:allowBackup="true"

app/src/main/java/com/h/pixeldroid/MainActivity.kt

@@ -16,6 +16,7 @@ import androidx.viewpager2.widget.ViewPager2
 import com.google.android.material.navigation.NavigationView
 import com.google.android.material.tabs.TabLayout
 import com.google.android.material.tabs.TabLayoutMediator
+import com.h.pixeldroid.fragments.CameraFragment
 import com.h.pixeldroid.fragments.HomeFragment
 import com.h.pixeldroid.fragments.MyProfileFragment
 
@@ -45,7 +46,7 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
             navigationView.setNavigationItemSelectedListener(this)
 
             val tabs =
-                arrayOf(HomeFragment(), Fragment(), Fragment(), Fragment(), MyProfileFragment())
+                arrayOf(HomeFragment(), Fragment(), CameraFragment(), Fragment(), MyProfileFragment())
 
             setupTabs(tabs)
         }

app/src/main/java/com/h/pixeldroid/fragments/CameraFragment.kt

@@ -0,0 +1,59 @@
+package com.h.pixeldroid.fragments
+
+import android.app.Activity
+import android.content.Intent
+import android.graphics.Bitmap
+import android.net.Uri
+import android.os.Bundle
+import android.util.Log
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import android.widget.ImageView
+import android.widget.Toast
+import com.h.pixeldroid.R
+
+const val PICK_IMAGE_REQUEST = 1
+const val TAG = "Camera Fragment"
+
+class CameraFragment : Fragment() {
+
+    private var uploadedPictureView: ImageView? = null
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        val view = inflater.inflate(R.layout.fragment_camera, container, false)
+        val uploadPictureButton: Button = view.findViewById(R.id.uploadPictureButton)
+        uploadedPictureView = view.findViewById(R.id.uploadedPictureView)
+        uploadPictureButton.setOnClickListener{
+            uploadPicture()
+        }
+
+        // Inflate the layout for this fragment
+        return view
+    }
+
+    private fun uploadPicture() {
+        Intent().apply {
+            type = "image/*"
+            action = Intent.ACTION_GET_CONTENT
+            startActivityForResult(
+                Intent.createChooser(this, "Select a Picture"), PICK_IMAGE_REQUEST
+            )
+        }
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        if (requestCode == PICK_IMAGE_REQUEST && resultCode == Activity.RESULT_OK) {
+            if(data == null || data.data == null){
+                Log.w(TAG, "No picture uploaded")
+                return
+            }
+            uploadedPictureView?.setImageURI(data.data)
+        }
+    }
+}

app/src/main/res/layout/fragment_camera.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:gravity="center_horizontal"
+    tools:context=".fragments.CameraFragment"
+    android:orientation="vertical">
+
+    <Button
+        android:id="@+id/uploadPictureButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:padding="15dp"
+        android:layout_margin="15dp"
+        android:text="@string/upload_a_picture"
+        android:background="@color/colorPrimary"
+        android:textColor="@color/cardview_light_background"/>
+
+    <ImageView
+        android:id="@+id/uploadedPictureView"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="15dp"
+        tools:srcCompat="@tools:sample/avatars" />
+
+</LinearLayout>

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

@@ -58,5 +58,6 @@
     <string name="hello_blank_fragment">Hello blank fragment</string>
     <string name="start_login">Start Login</string>
     <string name="no_username">No Username</string>
+    <string name="upload_a_picture">Upload a picture</string>
 
 </resources>