Fullscreen view of pictures

app/src/main/AndroidManifest.xml

@@ -1,15 +1,21 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           xmlns:tools="http://schemas.android.com/tools">
-    <uses-feature android:name="android.hardware.camera" android:required="true"/>
+
-    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-feature
-    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+            android:name="android.hardware.camera"
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+            android:required="true"/>
+
+    <uses-permission android:name="android.permission.CAMERA"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.READ_MEDIA_IMAGES"/>
     <uses-permission android:name="android.permission.READ_MEDIA_VIDEO"/>
     <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE"/>
+
     <application
             android:allowBackup="true"
+            android:authorities="org.foxarmy.barcodescannerforemployees.providers"
             android:dataExtractionRules="@xml/data_extraction_rules"
             android:fullBackupContent="@xml/backup_rules"
             android:icon="@mipmap/ic_launcher"
@@ -17,11 +23,17 @@
             android:roundIcon="@mipmap/ic_launcher_round"
             android:supportsRtl="true"
             android:theme="@style/Theme.BarcodeScannerForEmployees"
-            android:authorities="org.foxarmy.barcodescannerforemployees.providers"
             tools:targetApi="31">
+        <activity
+                android:name=".FullscreenActivity"
+                android:configChanges="orientation|keyboardHidden|screenSize"
+                android:exported="false"
+                android:label="@string/title_activity_fullscreen"
+                android:theme="@style/Theme.BarcodeScannerForEmployees.Fullscreen"/>
+
         <provider
-                android:authorities="com.google.firebase.components.MainActivity.provider"
                 android:name="androidx.core.content.FileProvider"
+                android:authorities="com.google.firebase.components.MainActivity.provider;com.google.firebase.components.FullscreenActivity.provider"
                 android:exported="false"
                 android:grantUriPermissions="true">
             <meta-data
@@ -30,16 +42,19 @@
         </provider>
         <meta-data
                 android:name="com.google.mlkit.vision.DEPENDENCIES"
-                android:value="barcode_ui" >
+                android:value="barcode_ui">
         </meta-data>
+
         <activity
                 android:name=".MainActivity"
                 android:exported="true"
                 android:theme="@style/Theme.BarcodeScannerForEmployees">
             <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/org/foxarmy/barcodescannerforemployees/AbstractProductView.kt

@@ -2,10 +2,15 @@ package org.foxarmy.barcodescannerforemployees
 
 import android.app.Activity
 import android.content.Context
+import android.content.Intent
+import android.os.Bundle
+import android.util.Log
 import android.view.LayoutInflater
 import android.widget.ImageView
 import android.widget.LinearLayout
 import android.widget.TextView
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.content.ContextCompat.startActivity
 import java.io.File
 
 class AbstractProductView: LinearLayout {
@@ -15,7 +20,7 @@ class AbstractProductView: LinearLayout {
     private var categoryField: TextView
     private var unitField: TextView
 
-    constructor(activity: Activity, context: Context, productImageFile: String, productName: String, netWeight: Double, category: Int) : super(context) {
+    constructor(activity: Activity, context: Context, productImageHash: String, productName: String, netWeight: Double, category: Int) : super(context) {
 
         val inflater:LayoutInflater = activity.layoutInflater
         inflater.inflate(R.layout.abstract_product_view, this)
@@ -26,14 +31,31 @@ class AbstractProductView: LinearLayout {
         categoryField = findViewById(R.id.categoryView)
         unitField = findViewById(R.id.unitView)
 
-        val picturesDir = File(context.filesDir, "pictures")
+        val thumbnailsDir = File(context.cacheDir, "thumbnails")
-        picturesDir.mkdirs()
+        thumbnailsDir.mkdirs()
-        val imageUri = getImageUri(activity, File(picturesDir, productImageFile))
+        val imageUri = getImageUri(activity, File(thumbnailsDir, "$productImageHash.webp"))
-
+        Log.d("QWERTYUIOP", "${productPicture.minimumWidth}x${productPicture.minimumHeight}")
         productPicture.setImageURI(imageUri)
+        productPicture.rotation = 90f
+        productPicture.setOnClickListener {
+            Log.d("QWERTYUIOP", productImageHash)
+            val fullscreenIntent = Intent(activity, FullscreenActivity::class.java)
+            val extras = Bundle()
+            extras.putString("imagehash", productImageHash)
+            fullscreenIntent.putExtras(extras)
+            startActivity(context, fullscreenIntent, extras)
+        }
+
         productNameField.text = productName
         netWeightField.text = netWeight.toString()
+
         //TODO: category and units
 
+
+        findViewById<ConstraintLayout>(R.id.productLayout).setOnClickListener {
+            Log.d("QWERTYUIOP", "Clicked layout")
         }
+
+    }
+
 }

app/src/main/java/org/foxarmy/barcodescannerforemployees/AddProductFragment.kt

@@ -1,6 +1,8 @@
 package org.foxarmy.barcodescannerforemployees
 
 import android.content.ContentValues
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
 import android.os.Build
 import android.os.Bundle
 import android.util.Log
@@ -10,6 +12,7 @@ import android.view.ViewGroup
 import android.widget.Toast
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.annotation.RequiresApi
+import androidx.core.graphics.scale
 import androidx.fragment.app.Fragment
 import androidx.navigation.fragment.findNavController
 import com.google.mlkit.vision.barcode.common.Barcode
@@ -17,6 +20,7 @@ import com.google.mlkit.vision.codescanner.GmsBarcodeScannerOptions
 import com.google.mlkit.vision.codescanner.GmsBarcodeScanning
 import org.foxarmy.barcodescannerforemployees.databinding.AddProductFragmentBinding
 import java.io.File
+import java.io.FileOutputStream
 import java.nio.file.Files
 import java.nio.file.StandardCopyOption
 
@@ -40,12 +44,20 @@ class AddProductFragment : Fragment() {
         return binding.root
     }
 
-    @RequiresApi(Build.VERSION_CODES.O)
+    @RequiresApi(Build.VERSION_CODES.R)
     val takePicture = registerForActivityResult(ActivityResultContracts.TakePicture()) { success: Boolean ->
         if (success) {
             //Move picture to a proper directory according to its calculated hash
             val tempfile = File(requireContext().filesDir, "image.png")
-            val imageHash = tempfile.inputStream().readBytes().toString(Charsets.UTF_8).md5()
+            val imageContent = tempfile.inputStream().readBytes()
+            val imageHash = imageContent.toString(Charsets.UTF_8).md5()
+            val thumbnailsDir = File(requireContext().cacheDir, "thumbnails")
+            thumbnailsDir.mkdirs()
+            val thumbnailFile = File(thumbnailsDir, "$imageHash.webp")
+            var img = BitmapFactory.decodeByteArray(imageContent, 0, imageContent.size)
+            img = img.scale(img.width/4,img.height/4)
+            img.compress(Bitmap.CompressFormat.WEBP_LOSSY, 25, FileOutputStream(thumbnailFile))
+
             pictureFile = File(picturesPath, "$imageHash.png")
             Files.move(tempfile.toPath(), pictureFile.toPath(), StandardCopyOption.REPLACE_EXISTING)
             tempfile.delete()
@@ -56,7 +68,7 @@ class AddProductFragment : Fragment() {
         }
     }
 
-    @RequiresApi(Build.VERSION_CODES.O)
+    @RequiresApi(Build.VERSION_CODES.R)
     fun getPicture () {
         //Saving picture to a temp file for further hash calculation and moving to a proper directory
         val imageFile = File(requireContext().filesDir, "image.png")
@@ -67,7 +79,7 @@ class AddProductFragment : Fragment() {
         takePicture.launch(imageUri)
     }
 
-    @RequiresApi(Build.VERSION_CODES.O)
+    @RequiresApi(Build.VERSION_CODES.R)
     val requestPermissionLauncher =
         registerForActivityResult(
             ActivityResultContracts.RequestPermission()
@@ -104,7 +116,7 @@ class AddProductFragment : Fragment() {
             val values = ContentValues().apply {
                 put(ProductContract.ProductEntry.PRODUCT_NAME, productName)
                 put(ProductContract.ProductEntry.PRODUCT_NET_WEIGHT, netWeight.toString())
-                put(ProductContract.ProductEntry.IMAGE_FILENAME, pictureFile.name)
+                put(ProductContract.ProductEntry.IMAGE_FILENAME, pictureFile.nameWithoutExtension)
             }
 
             db.insert(ProductContract.ProductEntry.TABLE_NAME, null, values)

app/src/main/java/org/foxarmy/barcodescannerforemployees/FullscreenActivity.kt

@@ -0,0 +1,43 @@
+package org.foxarmy.barcodescannerforemployees
+
+import android.app.Activity
+import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
+import android.util.Log
+import android.widget.ImageView
+import android.widget.LinearLayout
+import org.foxarmy.barcodescannerforemployees.databinding.ActivityFullscreenBinding
+import java.io.File
+
+
+class FullscreenActivity : Activity() {
+
+    private lateinit var binding: ActivityFullscreenBinding
+    private lateinit var fullscreenImageView: ImageView
+    private lateinit var fullscreenContentControls: LinearLayout
+    private val hideHandler = Handler(Looper.myLooper()!!)
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        setContentView(R.layout.activity_fullscreen)
+
+        fullscreenImageView = findViewById(R.id.fullscreenImageView)
+
+        val extras = intent.extras
+        val imageHash = extras!!.get("imagehash") as String? //extras!!.getParcelable<Parcelable>("imagehash") as String?
+
+
+        val picturesDir = File(filesDir, "pictures")
+        picturesDir.mkdirs()
+        Log.d("QWERTYUIOP", imageHash.toString())
+        val fullscreenImageFile = File(picturesDir, "$imageHash.png")
+    // crash. change activity
+        fullscreenImageView.setImageURI(getImageUri(this, fullscreenImageFile))
+        fullscreenImageView.setOnClickListener {
+            this.finish()
+        }
+    }
+
+}

app/src/main/java/org/foxarmy/barcodescannerforemployees/StorageFragment.kt

@@ -2,6 +2,7 @@ package org.foxarmy.barcodescannerforemployees
 
 import android.os.Bundle
 import android.provider.BaseColumns
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -39,18 +40,22 @@ class StorageFragment : Fragment() {
             while(moveToNext()) {
                 val productName = getString(getColumnIndexOrThrow(ProductContract.ProductEntry.PRODUCT_NAME))
                 val netWeight = getDouble(getColumnIndexOrThrow(ProductContract.ProductEntry.PRODUCT_NET_WEIGHT))
-                val pictureFilename = getString(getColumnIndexOrThrow(ProductContract.ProductEntry.IMAGE_FILENAME))
+                val productImageHash = getString(getColumnIndexOrThrow(ProductContract.ProductEntry.IMAGE_FILENAME))
 
-                getView()?.findViewById<GridLayout>(R.id.contentGridLayout)?.addView(
+
-                    AbstractProductView(
+                val abstractProduct = AbstractProductView(
                     requireActivity(),
                     requireContext(),
-                        productImageFile = pictureFilename,
+                    productImageHash,
-                        productName = productName,
+                    productName,
-                        netWeight = netWeight,
+                    netWeight,
-                        category = 1
+                    1
-                    )
                 )
+                getView()?.findViewById<GridLayout>(R.id.contentGridLayout)?.addView(abstractProduct)
+
+                abstractProduct.setOnClickListener {
+                    Log.d("QWERTYUIOP", "Clicked view")
+                }
 //                getView()?.findViewById<GridView>(R.id.contentGridLayout)?
             }
         }

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

@@ -2,14 +2,15 @@
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:app="http://schemas.android.com/apk/res-auto"
         xmlns:tools="http://schemas.android.com/tools" android:layout_width="200dp"
-        android:layout_height="200dp">
+        android:layout_height="wrap_content" app:barrierMargin="1dp" android:clickable="false">
 
     <androidx.constraintlayout.widget.ConstraintLayout
             android:layout_width="match_parent"
-            android:layout_height="match_parent" android:id="@+id/productLayout" android:outlineProvider="bounds">
+            android:layout_height="wrap_content" android:id="@+id/productLayout" android:outlineProvider="bounds"
+            android:background="#00FFFEFE" android:clickable="true">
         <ImageView
                 android:layout_width="match_parent"
-                android:layout_height="100dp" app:srcCompat="@android:drawable/ic_btn_speak_now"
+                android:layout_height="200dp" app:srcCompat="@android:drawable/ic_btn_speak_now"
                 android:id="@+id/productPicture"
                 app:layout_constraintTop_toTopOf="parent" app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"/>
@@ -19,8 +20,8 @@
                 android:layout_height="wrap_content" android:id="@+id/productNameView"
                 app:layout_constraintTop_toBottomOf="@+id/productPicture"
                 android:layout_marginTop="15dp" app:layout_constraintStart_toStartOf="parent"
-                android:layout_marginStart="25dp" android:fontFamily="monospace" android:textSize="20sp"
+                android:fontFamily="monospace" android:textSize="20sp"
-                android:maxLines="2"/>
+                android:maxLines="2" android:layout_marginStart="10dp"/>
         <TextView
                 android:text="@string/sample_product_net_weight"
                 android:layout_width="wrap_content"
@@ -42,7 +43,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content" android:id="@+id/categoryView"
                 app:layout_constraintEnd_toEndOf="parent"
-                android:layout_marginEnd="20dp" android:fontFamily="monospace" android:textSize="10sp"
+                android:layout_marginEnd="25dp" android:fontFamily="monospace" android:textSize="10sp"
                 app:layout_constraintBottom_toBottomOf="parent" android:layout_marginBottom="20dp"/>
     </androidx.constraintlayout.widget.ConstraintLayout>
 

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

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+             xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools"
+             android:theme="@style/ThemeOverlay.BarcodeScannerForEmployees.FullscreenContainer"
+             android:layout_width="match_parent"
+             android:layout_height="match_parent"
+             android:background="@color/black"
+             tools:context=".FullscreenActivity">
+
+    <!-- The primary full-screen view. This can be replaced with whatever view
+         is needed to present your content, e.g. VideoView, SurfaceView,
+         TextureView, etc. -->
+
+    <!-- This FrameLayout insets its children based on system windows using
+         android:fitsSystemWindows. -->
+    <ImageView
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" app:srcCompat="@android:drawable/alert_dark_frame"
+            android:id="@+id/fullscreenImageView" android:contentDescription="@string/fullscreen_image"/>
+
+</FrameLayout>

app/src/main/res/values-night/themes.xml

@@ -4,4 +4,6 @@
         <!-- Customize your dark theme here. -->
         <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
     </style>
+    <style name="ThemeOverlay.BarcodeScannerForEmployees.FullscreenContainer" parent="">
+    </style>
 </resources>

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

@@ -6,4 +6,8 @@
     <color name="light_blue_600">#FF039BE5</color>
     <color name="gray_400">#FFBDBDBD</color>
     <color name="gray_600">#FF757575</color>
+    <color name="light_blue_900">#FF01579B</color>
+    <color name="light_blue_A200">#FF40C4FF</color>
+    <color name="light_blue_A400">#FF00B0FF</color>
+    <color name="black_overlay">#66000000</color>
 </resources>

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

@@ -17,4 +17,8 @@
     <string name="sample_product_net_weight">1998</string>
     <string name="sample_unit">g</string>
     <string name="sample_category">Sample category</string>
+    <string name="title_activity_fullscreen">FullscreenActivity</string>
+    <string name="dummy_button">Dummy Button</string>
+    <string name="dummy_content">DUMMY\nCONTENT</string>
+    <string name="fullscreen_image">Fullscreen image</string>
 </resources>

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

@@ -3,4 +3,12 @@
         <item name="android:background">@color/gray_400</item>
         <item name="exampleColor">@color/light_blue_400</item>
     </style>
+    <style name="Widget.Theme.BarcodeScannerForEmployees.ActionBar.Fullscreen" parent="Widget.AppCompat.ActionBar">
+        <item name="android:background">@color/black_overlay</item>
+    </style>
+
+    <style name="Widget.Theme.BarcodeScannerForEmployees.ButtonBar.Fullscreen" parent="">
+        <item name="android:background">@color/black_overlay</item>
+        <item name="android:buttonBarStyle">?android:attr/buttonBarStyle</item>
+    </style>
 </resources>

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

@@ -6,4 +6,12 @@
     </style>
 
     <style name="Theme.BarcodeScannerForEmployees" parent="Base.Theme.BarcodeScannerForEmployees"/>
+    <style name="Theme.BarcodeScannerForEmployees.Fullscreen" parent="Theme.BarcodeScannerForEmployees">
+        <item name="android:actionBarStyle">@style/Widget.Theme.BarcodeScannerForEmployees.ActionBar.Fullscreen</item>
+        <item name="android:windowActionBarOverlay">true</item>
+        <item name="android:windowBackground">@null</item>
+    </style>
+
+    <style name="ThemeOverlay.BarcodeScannerForEmployees.FullscreenContainer" parent="">
+    </style>
 </resources>