修改头像

app/src/main/java/com/example/defenseapplication/view/LoadingDialog.kt

@@ -0,0 +1,52 @@
+package com.example.defenseapplication.view
+
+import android.app.Dialog
+import android.content.Context
+import android.graphics.Color
+import android.graphics.drawable.ColorDrawable
+import android.view.Gravity
+import android.view.LayoutInflater
+import android.view.WindowManager
+import com.example.defenseapplication.databinding.DialogLoadingBinding
+
+class LoadingDialog(context: Context) {
+
+    private val dialog: Dialog = Dialog(context)
+    private val binding: DialogLoadingBinding
+
+    init {
+        binding = DialogLoadingBinding.inflate(LayoutInflater.from(context))
+        dialog.setContentView(binding.root)
+        dialog.window?.apply {
+            setGravity(Gravity.CENTER)
+            setLayout(
+                WindowManager.LayoutParams.WRAP_CONTENT,
+                WindowManager.LayoutParams.WRAP_CONTENT
+            )
+            setBackgroundDrawable(ColorDrawable(Color.TRANSPARENT))
+            setDimAmount(0.5f)
+        }
+        dialog.setCancelable(false)
+    }
+
+    fun setMessage(message: String): LoadingDialog {
+        binding.tvLoading.text = message
+        return this
+    }
+
+    fun show() {
+        if (!dialog.isShowing) {
+            dialog.show()
+        }
+    }
+
+    fun dismiss() {
+        if (dialog.isShowing) {
+            dialog.dismiss()
+        }
+    }
+
+    fun isShowing(): Boolean {
+        return dialog.isShowing
+    }
+}