Add front camera preview and camera switch UI

2026-09-07 16:45:15 -05:00 · 2026-09-07 16:45:15 -05:00 · 9deeb40217
commit 9deeb40217
parent 5be04b0217
5 changed files with 594 additions and 21 deletions
--- a/add_camera_switch.ps1
+++ b/add_camera_switch.ps1
@ -0,0 +1,120 @@
+$path = 'app\src\main\kotlin\com\bodycamera\twentyfoulabs\camera\M530CameraActivity.kt'
+
+$lines = Get-Content $path
+$result = New-Object System.Collections.Generic.List[string]
+
+$addedVariable = $false
+$addedButtonDeclaration = $false
+$addedButtonUi = $false
+$replacedSelector = $false
+$replacedState = $false
+
+foreach ($line in $lines) {
+
+    # ---------------------------------------------------------
+    # 1. Variable para saber que camara usa el preview
+    # ---------------------------------------------------------
+    if (-not $addedVariable -and
+        $line -match 'private var lastTouchActionMs = 0L') {
+
+        $result.Add($line)
+        $result.Add('    private var frontPreviewUsesFrontCamera = true')
+        $addedVariable = $true
+        continue
+    }
+
+    # ---------------------------------------------------------
+    # 2. Declaracion del boton
+    # ---------------------------------------------------------
+    if (-not $addedButtonDeclaration -and
+        $line -match 'private lateinit var closeButton: Button') {
+
+        $result.Add($line)
+        $result.Add('    private lateinit var switchCameraButton: Button')
+        $addedButtonDeclaration = $true
+        continue
+    }
+
+    # ---------------------------------------------------------
+    # 3. Insertar boton antes de captureButton
+    # ---------------------------------------------------------
+    if (-not $addedButtonUi -and
+        $line -match '^\s*captureButton = Button\(this\)\.apply') {
+
+        $result.Add('        switchCameraButton = Button(this).apply {')
+        $result.Add('            text = "CAMBIAR"')
+        $result.Add('            setTextColor(Color.WHITE)')
+        $result.Add('            textSize = 12f')
+        $result.Add('            setTypeface(typeface, Typeface.BOLD)')
+        $result.Add('            gravity = Gravity.CENTER')
+        $result.Add('            minWidth = 0')
+        $result.Add('            minHeight = 0')
+        $result.Add('            setPadding(dp(8), 0, dp(8), 0)')
+        $result.Add('            background = circleDrawable(0xB0000000.toInt(), Color.WHITE, dp(1))')
+        $result.Add('            visibility = if (mode == MODE_FRONT_PREVIEW) View.VISIBLE else View.GONE')
+        $result.Add('            elevation = dp(12).toFloat()')
+        $result.Add('')
+        $result.Add('            setOnClickListener {')
+        $result.Add('                if (mode == MODE_FRONT_PREVIEW) {')
+        $result.Add('                    frontPreviewUsesFrontCamera = !frontPreviewUsesFrontCamera')
+        $result.Add('                    startCamera()')
+        $result.Add('                }')
+        $result.Add('            }')
+        $result.Add('        }')
+        $result.Add('')
+        $result.Add('        root.addView(')
+        $result.Add('            switchCameraButton,')
+        $result.Add('            FrameLayout.LayoutParams(dp(110), dp(48), Gravity.BOTTOM or Gravity.CENTER_HORIZONTAL).apply {')
+        $result.Add('                bottomMargin = dp(76)')
+        $result.Add('            }')
+        $result.Add('        )')
+        $result.Add('')
+
+        $result.Add($line)
+        $addedButtonUi = $true
+        continue
+    }
+
+    # ---------------------------------------------------------
+    # 4. Selector dinamico frontal/posterior SOLO para preview
+    # ---------------------------------------------------------
+    if (-not $replacedSelector -and
+        $line -match 'CameraSelector\.DEFAULT_FRONT_CAMERA') {
+
+        $result.Add('                        if (frontPreviewUsesFrontCamera)')
+        $result.Add('                            CameraSelector.DEFAULT_FRONT_CAMERA')
+        $result.Add('                        else')
+        $result.Add('                            CameraSelector.DEFAULT_BACK_CAMERA,')
+        $replacedSelector = $true
+        continue
+    }
+
+    # ---------------------------------------------------------
+    # 5. Cambiar mensaje segun camara
+    # ---------------------------------------------------------
+    if (-not $replacedState -and
+        $line -match 'stateText\.text = "Camara frontal lista"') {
+
+        $result.Add('                    stateText.text = if (frontPreviewUsesFrontCamera)')
+        $result.Add('                        "Camara frontal lista"')
+        $result.Add('                    else')
+        $result.Add('                        "Camara posterior lista"')
+        $replacedState = $true
+        continue
+    }
+
+    $result.Add($line)
+}
+
+Set-Content -Path $path -Value $result -Encoding UTF8
+
+Write-Host ""
+Write-Host "=========================================="
+Write-Host "CAMBIO DE CAMARA AGREGADO"
+Write-Host "=========================================="
+Write-Host "Variable: $addedVariable"
+Write-Host "Declaracion boton: $addedButtonDeclaration"
+Write-Host "UI boton: $addedButtonUi"
+Write-Host "Selector: $replacedSelector"
+Write-Host "Estado: $replacedState"
+Write-Host ""