Merge pull request #7 from kuamanet/fix-close-buttons

fix: close button now fixed

CHANGELOG.md

@@ -1,6 +1,13 @@
 # Not Released
 
-# 0.1.5
+# 0.1.7
+- fixed close buttons
+
+# 0.1.6
+> 2021-3-25
+- see 0.1.5
+
+# 0.1.5 
 > 2021-3-25
 - Moved from CameraX to LifecycleCameraController
 - Enhanced image preprocessing before contours extraction

app/src/main/java/net/kuama/documentscanner/presentation/BaseScannerActivity.kt

@@ -1,6 +1,8 @@
 package net.kuama.documentscanner.presentation
 
 import android.annotation.SuppressLint
+import android.app.Activity
+import android.content.Intent
 import android.graphics.Bitmap
 import android.os.Bundle
 import android.util.Log
@@ -14,6 +16,7 @@ import net.kuama.documentscanner.data.Loader
 import net.kuama.documentscanner.domain.Failure
 import net.kuama.documentscanner.domain.PerspectiveTransform
 import java.io.File
+import android.graphics.BitmapFactory
 
 @androidx.camera.core.ExperimentalGetImage
 abstract class BaseScannerActivity : AppCompatActivity() {
@@ -42,6 +45,12 @@ abstract class BaseScannerActivity : AppCompatActivity() {
             }
         })
 
+        viewModel.lastUri.observe(this, Observer {
+            val intent = Intent(this, CropperActivity::class.java)
+            intent.putExtra("lastUri", it.toString())
+            this.startActivityForResult(intent, 0)
+        })
+
         viewModel.errors.observe(this, Observer {
             onError(it)
             Log.e(ScannerActivity::class.java.simpleName, it.message, it)
@@ -99,10 +108,28 @@ abstract class BaseScannerActivity : AppCompatActivity() {
         viewModel.onViewCreated(Loader(this), this, viewFinder)
     }
 
-    fun closePreview() {
+    private fun closePreview() {
+        root_view.visibility = View.GONE
+        viewModel.onClosePreview()
         finish()
     }
 
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        if (resultCode == Activity.RESULT_OK) {
+            val bitmapUri = data?.extras?.getString("croppedPath") ?: error("invalid path")
+
+            val image: File = File(bitmapUri)
+            val bmOptions = BitmapFactory.Options()
+            val bitmap = BitmapFactory.decodeFile(image.absolutePath, bmOptions)
+            onDocumentAccepted(bitmap)
+
+            image.delete()
+        } else {
+            viewModel.onViewCreated(Loader(this), this, viewFinder)
+        }
+    }
+
     abstract fun onError(throwable: Throwable)
     abstract fun onDocumentAccepted(bitmap: Bitmap)
     abstract fun onClose()

app/src/main/java/net/kuama/documentscanner/presentation/CropperActivity.kt

@@ -1,7 +1,7 @@
 package net.kuama.documentscanner.presentation
 
 import android.annotation.SuppressLint
-import android.content.Intent
+import android.app.Activity
 import android.graphics.Bitmap
 import android.graphics.Canvas
 import android.net.Uri
@@ -14,6 +14,10 @@ import androidx.core.net.toUri
 import androidx.lifecycle.Observer
 import kotlinx.android.synthetic.main.activity_cropper.*
 import net.kuama.documentscanner.R
+import java.io.ByteArrayOutputStream
+import android.content.Intent
+import java.io.File
+import java.io.FileOutputStream
 
 class CropperActivity : AppCompatActivity() {
     private lateinit var cropModel: CropperModel
@@ -51,28 +55,16 @@ class CropperActivity : AppCompatActivity() {
             }
         })
 
-        cropModel.finalDocument.observe(this, Observer {
-            finalResult.setImageBitmap(cropModel.finalDocument.value)
-        })
-
         cropModel.bitmapToCrop.observe(this, Observer {
             cropResultPreview.setImageBitmap(cropModel.bitmapToCrop.value)
         })
 
-        acceptFinalResult.setOnClickListener {
-            finish()
-        }
-
         closeResultPreview.setOnClickListener {
-            val intent = Intent(this, ScannerActivity::class.java)
-            finish()
-            this.startActivity(intent)
+            closeActivity()
         }
 
         closeCropPreview.setOnClickListener {
-            val intent = Intent(this, ScannerActivity::class.java)
-            finish()
-            this.startActivity(intent)
+            closeActivity()
         }
 
         confirmCropPreview.setOnClickListener {
@@ -83,9 +75,16 @@ class CropperActivity : AppCompatActivity() {
         }
 
         confirmCropResult.setOnClickListener {
-            cropResultWrap.visibility = View.GONE
-            cropModel.onAcceptResult()
-            finalResultWrap.visibility = View.VISIBLE
+            val file = File("/storage/emulated/0/Documents/croppedDoc.jpg")
+            val outputStream = FileOutputStream(file)
+            outputStream.write(cropModel.bitmapToCrop.value?.toByteArray())
+            outputStream.close()
+
+            val resultIntent = Intent()
+            resultIntent.putExtra("croppedPath", "/storage/emulated/0/Documents/croppedDoc.jpg")
+            setResult(RESULT_OK, resultIntent)
+            // this.setResult(Activity.RESULT_OK)
+            finish()
         }
 
         cropPreview.setOnTouchListener { _, motionEvent ->
@@ -111,6 +110,17 @@ class CropperActivity : AppCompatActivity() {
         v.draw(c)
         return b
     }
+
+    private fun closeActivity() {
+        this.setResult(Activity.RESULT_CANCELED)
+        finish()
+    }
+}
+fun Bitmap.toByteArray(): ByteArray {
+    ByteArrayOutputStream().apply {
+        compress(Bitmap.CompressFormat.JPEG, 100, this)
+        return toByteArray()
+    }
 }
 
 private inline fun View.waitForLayout(crossinline yourAction: () -> Unit) {

app/src/main/java/net/kuama/documentscanner/presentation/CropperModel.kt

@@ -39,10 +39,6 @@ class CropperModel : ViewModel() {
         }
     }
 
-    fun onAcceptResult() {
-        finalDocument.value = bitmapToCrop.value
-    }
-
     fun onCornersAccepted(bitmap: Bitmap) {
         perspectiveTransform(
                 PerspectiveTransform.Params(

app/src/main/java/net/kuama/documentscanner/presentation/ScannerViewModel.kt

@@ -2,8 +2,6 @@ package net.kuama.documentscanner.presentation
 
 import android.annotation.SuppressLint
 import android.content.Context
-import android.content.Intent
-import android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK
 import android.graphics.*
 import android.net.Uri
 import androidx.appcompat.app.AppCompatActivity
@@ -112,18 +110,13 @@ class ScannerViewModel : ViewModel() {
                     errors.value = exc
                 }
                 override fun onImageSaved(output: ImageCapture.OutputFileResults) {
-                    lastUri = Uri.fromFile(photoFile)
-
-                    val intent = Intent(context, CropperActivity::class.java)
-                    intent.putExtra("lastUri", lastUri.toString())
-                    intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or FLAG_ACTIVITY_CLEAR_TASK
-                    context.startActivity(intent)
+                    lastUri.value = Uri.fromFile(photoFile)
                 }
             })
     }
 
     // CameraX setup
-    private var lastUri: Uri? = null
+    var lastUri: MutableLiveData<Uri> = MutableLiveData()
 
     @SuppressLint("RestrictedApi", "UnsafeExperimentalUsageError")
     private fun setupCamera(
@@ -187,4 +180,13 @@ class ScannerViewModel : ViewModel() {
         errors.value = failure.origin
         isBusy.value = false
     }
+
+    fun onClosePreview() {
+        lastUri.value?.let {
+            val file = File(it.path!!)
+            if (file.exists()) {
+                file.delete()
+            }
+        }
+    }
 }

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

@@ -86,32 +86,6 @@
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
-    <androidx.constraintlayout.widget.ConstraintLayout
-            android:id="@+id/finalResultWrap"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:background="@color/black"
-            android:visibility="gone">
-
-        <com.github.chrisbanes.photoview.PhotoView
-                android:id="@+id/finalResult"
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"/>
-
-        <ImageButton
-                android:id="@+id/acceptFinalResult"
-                android:layout_width="60dp"
-                android:layout_height="60dp"
-                android:layout_margin="0dp"
-                android:background="@color/white"
-                android:contentDescription="@string/confirm_document"
-                android:padding="0dp"
-                android:src="@drawable/ic_baseline_arrow_back_24"
-                app:layout_constraintBottom_toBottomOf="parent"
-                app:layout_constraintEnd_toEndOf="parent" />
-
-    </androidx.constraintlayout.widget.ConstraintLayout>
-
     <net.kuama.documentscanner.presentation.PaperRectangle
         android:id="@+id/cropHud"
         android:layout_width="match_parent"

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

@@ -64,17 +64,6 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
-
-    <androidx.constraintlayout.widget.ConstraintLayout
-        android:id="@+id/previewWrap"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:background="@color/black"
-        android:visibility="gone">
-
-
-    </androidx.constraintlayout.widget.ConstraintLayout>
-
     <ProgressBar
         android:id="@+id/progress"
         android:layout_width="wrap_content"

gradle.properties

@@ -20,4 +20,4 @@ android.enableJetifier=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
 version_code=6
-version_name=0.1.5
+version_name=0.1.7