Camera timer

app/src/main/java/sushi/hardcore/droidfs/CameraActivity.kt

@@ -1,8 +1,12 @@
 package sushi.hardcore.droidfs
 
+import android.graphics.Color
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.text.InputType
 import android.view.View
+import android.view.WindowManager
+import android.widget.EditText
 import android.widget.Toast
 import com.otaliastudios.cameraview.CameraListener
 import com.otaliastudios.cameraview.PictureResult
@@ -13,6 +17,7 @@ import sushi.hardcore.droidfs.util.GocryptfsVolume
 import sushi.hardcore.droidfs.util.MiscUtils
 import sushi.hardcore.droidfs.util.PathUtils
 import sushi.hardcore.droidfs.widgets.ColoredAlertDialogBuilder
+import sushi.hardcore.droidfs.widgets.ThemeColor
 import java.io.ByteArrayInputStream
 import java.io.FileOutputStream
 import java.io.InputStream
@@ -28,6 +33,15 @@ class CameraActivity : AppCompatActivity() {
         private val random = Random()
     }
     private var currentFlashModeIndex = 0
+    private var timerDuration = 0
+        set(value) {
+            field = value
+            if (value > 0){
+                image_timer.setColorFilter(Color.GREEN)
+            } else {
+                image_timer.clearColorFilter()
+            }
+        }
     private lateinit var gocryptfsVolume: GocryptfsVolume
     private lateinit var outputDirectory: String
     private lateinit var fileName: String
@@ -61,7 +75,21 @@ class CameraActivity : AppCompatActivity() {
         do {
             fileName = baseName+(random.nextInt(fileNameRandomMax-fileNameRandomMin)+fileNameRandomMin)+".jpg"
         } while (gocryptfsVolume.pathExists(fileName))
-        camera.takePicture()
+        if (timerDuration > 0){
+            text_timer.visibility = View.VISIBLE
+            Thread{
+                for (i in timerDuration downTo 1){
+                    runOnUiThread { text_timer.text = i.toString() }
+                    Thread.sleep(1000)
+                }
+                runOnUiThread {
+                    camera.takePicture()
+                    text_timer.visibility = View.GONE
+                }
+            }.start()
+        } else {
+            camera.takePicture()
+        }
     }
 
     fun onClickFlash(view: View) {
@@ -86,4 +114,25 @@ class CameraActivity : AppCompatActivity() {
             }.start()
         }
     }
+
+    fun onClickTimer(view: View) {
+        val dialogEditTextView = layoutInflater.inflate(R.layout.dialog_edit_text, null)
+        val dialogEditText = dialogEditTextView.findViewById<EditText>(R.id.dialog_edit_text)
+        dialogEditText.inputType = InputType.TYPE_CLASS_NUMBER
+        val dialog = ColoredAlertDialogBuilder(this)
+            .setView(dialogEditTextView)
+            .setTitle("Enter the timer duration (in s)")
+            .setPositiveButton(R.string.ok) { _, _ ->
+                timerDuration = dialogEditText.text.toString().toInt()
+            }
+            .setNegativeButton(R.string.cancel, null)
+            .create()
+        dialogEditText.setOnEditorActionListener { _, _, _ ->
+            timerDuration = dialogEditText.text.toString().toInt()
+            dialog.dismiss()
+            true
+        }
+        dialog.window?.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE)
+        dialog.show()
+    }
 }

app/src/main/res/drawable/icon_timer.xml

@@ -0,0 +1,6 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M11.99,2C6.47,2 2,6.48 2,12s4.47,10 9.99,10C17.52,22 22,17.52 22,12S17.52,2 11.99,2zM12,20c-4.42,0 -8,-3.58 -8,-8s3.58,-8 8,-8 8,3.58 8,8 -3.58,8 -8,8z"/>
+    <path android:fillColor="@android:color/white" android:pathData="M12.5,7H11v6l5.25,3.15 0.75,-1.23 -4.5,-2.67z"/>
+</vector>

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

@@ -14,6 +14,30 @@
         app:cameraPictureFormat="jpeg"
         app:cameraAudio="off"/>
 
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="40dp"
+        android:layout_alignParentTop="true"
+        android:layout_marginTop="20dp">
+
+        <ImageView
+            android:id="@+id/image_timer"
+            android:layout_width="30dp"
+            android:layout_height="30dp"
+            android:src="@drawable/icon_timer"
+            android:layout_centerInParent="true"
+            android:onClick="onClickTimer"/>
+
+    </RelativeLayout>
+
+    <TextView
+        android:id="@+id/text_timer"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="100sp"
+        android:layout_centerInParent="true"
+        android:visibility="gone"/>
+
     <RelativeLayout
         android:layout_width="match_parent"
         android:layout_height="60dp"