update

app/src/main/java/com/all/pdfreader/pro/app/ui/dialog/PdfPasswordProtectionDialogFragment.kt

@@ -2,9 +2,17 @@ package com.all.pdfreader.pro.app.ui.dialog
 
 import android.graphics.Color
 import android.os.Bundle
+import android.text.Html
+import android.text.Spannable
+import android.text.SpannableString
+import android.text.style.ForegroundColorSpan
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.TextView
+import androidx.annotation.ColorInt
+import androidx.annotation.StringRes
+import androidx.core.content.ContextCompat
 import androidx.core.graphics.drawable.toDrawable
 import androidx.fragment.app.DialogFragment
 import com.all.pdfreader.pro.app.R
@@ -50,7 +58,12 @@ class PdfPasswordProtectionDialogFragment(
 
         if (isPrompt) {
             binding.promptTv.visibility = View.VISIBLE
-            binding.promptTv.text = getString(R.string.file_is_password_protected, file.name)
+            val color = ContextCompat.getColor(requireContext(), R.color.icon_sel_on_color)
+            binding.promptTv.setColoredPlaceholder(
+                R.string.file_is_password_protected,
+                file.name,
+                color
+            )
         } else {
             binding.promptTv.visibility = View.GONE
         }
@@ -73,4 +86,25 @@ class PdfPasswordProtectionDialogFragment(
             }
         }
     }
+
+    fun TextView.setColoredPlaceholder(
+        @StringRes resId: Int,   // 字符串资源 ID
+        placeholderText: String, // 要染色的占位符文字
+        @ColorInt color: Int     // 颜色
+    ) {
+        val fullText = context.getString(resId, placeholderText)
+        val start = fullText.indexOf(placeholderText)
+        val end = start + placeholderText.length
+
+        val spannable = SpannableString(fullText)
+        spannable.setSpan(
+            ForegroundColorSpan(color),
+            start,
+            end,
+            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
+        )
+
+        text = spannable
+    }
+
 }

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

@@ -23,7 +23,6 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginBottom="16dp"
-        android:text="@string/file_is_password_protected"
         android:textColor="@color/black"
         android:textSize="14sp"
         android:visibility="gone" />