add a widget

imitate/src/main/java/com/engineer/imitate/ui/activity/GroundDuActivity.kt

@@ -0,0 +1,26 @@
+package com.engineer.imitate.ui.activity
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import androidx.appcompat.app.AppCompatActivity
+import com.engineer.imitate.databinding.ActivityGroundDuBinding
+
+class GroundDuActivity : AppCompatActivity() {
+    private lateinit var viewBinding: ActivityGroundDuBinding
+
+    private var show = false
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        viewBinding = ActivityGroundDuBinding.inflate(layoutInflater)
+        setContentView(viewBinding.root)
+
+        viewBinding.testButton.setOnClickListener {
+            if (show) {
+                viewBinding.loadingText.hide()
+            } else {
+                viewBinding.loadingText.show()
+            }
+            show = !show
+        }
+    }
+}

imitate/src/main/java/com/engineer/imitate/ui/widget/custom/LoadingTextView.kt

@@ -0,0 +1,54 @@
+package com.engineer.imitate.ui.widget.custom
+
+import android.content.Context
+import android.os.Handler
+import android.os.Looper
+import android.util.AttributeSet
+import androidx.appcompat.widget.AppCompatTextView
+
+/**
+ * 用于显示 。。。 的 loading 态 TextView
+ */
+class LoadingTextView @JvmOverloads constructor(
+    context: Context, attrs: AttributeSet? = null, style: Int = 0
+) : AppCompatTextView(context, attrs, style) {
+
+
+    private var dotCount = 0
+    private val handler = Handler(Looper.getMainLooper())
+
+    init {
+        text = ""
+    }
+
+    private val loadingTask = object : Runnable {
+        override fun run() {
+            if (dotCount < 4) {
+                this@LoadingTextView.append(".")
+                dotCount++
+            } else {
+                dotCount = 1
+                this@LoadingTextView.text = "."// 重置为单个点
+            }
+            handler.postDelayed(this, 500); // 每 500 毫秒更新一次
+        }
+
+    }
+
+    fun show() {
+        hide()
+        handler.post(loadingTask)
+    }
+
+    fun hide() {
+        text = ""
+        handler.removeCallbacks(loadingTask)
+        text = ""
+    }
+
+    override fun onDetachedFromWindow() {
+        super.onDetachedFromWindow()
+        hide()
+    }
+
+}

imitate/src/main/module/AndroidManifest.xml

@@ -116,6 +116,7 @@
         <activity
             android:name=".ui.activity.ninepoint.NinePointActivity"
             android:exported="true" />
+        <activity android:name=".ui.activity.GroundDuActivity" android:exported="true" />
 
         <receiver
             android:name=".receivers.AlarmReceiver"

imitate/src/main/res/layout/activity_ground_du.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:orientation="vertical"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <com.engineer.imitate.ui.widget.custom.LoadingTextView
+            android:textColor="@color/black"
+            android:id="@+id/loading_text"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            android:layout_margin="20dp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
+
+        <Button
+            android:id="@+id/test_button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
+
+    </LinearLayout>
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>