初始版本：

支持：设置文本标题
支持：设置自定义View标题
支持：设置关闭按钮
支持：设置文本正文
支持：设置自定义View
支持：标题栏上下滑动来扩展

.idea/gradle.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
@@ -10,6 +11,7 @@
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/POPDialog" />
             <option value="$PROJECT_DIR$/app" />
           </set>
         </option>

.idea/misc.xml

@@ -1,5 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="DesignSurface">
+    <option name="filePathToZoomLevelMap">
+      <map>
+        <entry key="..\:/AndroidStudio_Data/POPUPDialog/POPDialog/src/main/res/drawable/dialog_line.xml" value="0.2125" />
+        <entry key="..\:/AndroidStudio_Data/POPUPDialog/POPDialog/src/main/res/drawable/dialog_title.xml" value="0.181" />
+        <entry key="..\:/AndroidStudio_Data/POPUPDialog/POPDialog/src/main/res/layout/dialog.xml" value="0.22" />
+        <entry key="..\:/AndroidStudio_Data/POPUPDialog/app/src/main/res/layout/activity_main.xml" value="0.20520833333333333" />
+      </map>
+    </option>
+  </component>
   <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>

POPDialog/.gitignore

@@ -0,0 +1 @@
+/build

POPDialog/build.gradle

@@ -0,0 +1,39 @@
+plugins {
+    id 'com.android.library'
+    id 'org.jetbrains.kotlin.android'
+}
+
+android {
+    compileSdk 32
+
+    defaultConfig {
+        minSdk 23
+        targetSdk 32
+
+        testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
+        consumerProguardFiles "consumer-rules.pro"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.0.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
+}

POPDialog/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

POPDialog/src/androidTest/java/com/yutou/popdialog/ExampleInstrumentedTest.kt

@@ -0,0 +1,24 @@
+package com.yutou.popdialog
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.yutou.popdialog.test", appContext.packageName)
+    }
+}

POPDialog/src/main/AndroidManifest.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.yutou.popdialog">
+
+</manifest>

POPDialog/src/main/java/com/yutou/popdialog/POPDialog.kt

@@ -0,0 +1,280 @@
+package com.yutou.popdialog
+
+import android.animation.ObjectAnimator
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.app.Dialog
+import android.graphics.Color
+import android.view.*
+import android.view.animation.Animation
+import android.view.animation.AnimationUtils
+import android.widget.FrameLayout
+import android.widget.LinearLayout
+import android.widget.TextView
+import androidx.appcompat.view.ContextThemeWrapper
+import androidx.core.view.GestureDetectorCompat
+import com.yutou.popdialog.utils.POPDialogUtils
+import com.yutou.popdialog.views.ExitButton
+
+
+class POPDialog(context: Activity) : Dialog(context) {
+    private val activityContext: Activity = context
+    private lateinit var title: TextView
+    private val layout: FrameLayout by lazy {
+        findViewById(R.id.title)
+    }
+    private val dialogContext: FrameLayout by lazy {
+        findViewById(R.id.context)
+    }
+
+    private lateinit var view: View
+    private lateinit var mainView: FrameLayout
+    private lateinit var touch: GestureDetectorCompat
+
+    private var touchHook = false
+    private var showModel = 0
+    private var expansionY = 0f
+
+    init {
+        requestWindowFeature(Window.FEATURE_NO_TITLE)
+        initView()
+    }
+
+    private fun initView() {
+        mainView = FrameLayout(activityContext)
+        view =
+            LayoutInflater.from(context).inflate(R.layout.dialog, mainView, false) as LinearLayout
+        val animation = AnimationUtils.loadAnimation(
+            context,
+            R.anim.enter_anim
+        )
+        view.startAnimation(animation)
+        val windowParams = FrameLayout.LayoutParams(
+            ViewGroup.LayoutParams.MATCH_PARENT,
+            ViewGroup.LayoutParams.WRAP_CONTENT
+        )
+        windowParams.gravity = Gravity.BOTTOM
+        view.layoutParams = windowParams
+        mainView.addView(view)
+        super.setContentView(mainView)
+    }
+
+    /**
+     * 设置标题文本
+     * @param title 内容
+     */
+    override fun setTitle(title: CharSequence?) {
+        this@POPDialog.title = TextView(ContextThemeWrapper(activityContext, R.style.DialogTitle))
+        this@POPDialog.title.text = title
+        layout.addView(this@POPDialog.title)
+    }
+
+    /**
+     * 设置标题View
+     * @param view 内容
+     */
+    fun setTitle(view: View) {
+        layout.addView(view)
+    }
+
+    /**
+     * 设置正文文本
+     * @param text 内容
+     */
+    public fun setMessage(text: String) {
+        val textView = TextView(ContextThemeWrapper(activityContext, R.style.messageText))
+        val params = FrameLayout.LayoutParams(
+            FrameLayout.LayoutParams.MATCH_PARENT,
+            FrameLayout.LayoutParams.MATCH_PARENT
+        );
+        textView.layoutParams = params;
+        textView.text = text
+        dialogContext.addView(textView)
+    }
+
+    /**
+     * 启用关闭按钮
+     * 默认false
+     */
+    fun enableExitButton(enable: Boolean) {
+        if (enable) {
+            val exitButton = ExitButton(activityContext)
+            val params = FrameLayout.LayoutParams(
+                ViewGroup.LayoutParams.WRAP_CONTENT,
+                ViewGroup.LayoutParams.WRAP_CONTENT
+            )
+            params.gravity = Gravity.RIGHT
+            exitButton.layoutParams = params
+            exitButton.setOnClickListener {
+                if (showModel == 1) {
+                    expansion(false)
+                } else {
+                    finish()
+                }
+            }
+            layout.addView(exitButton)
+        }
+    }
+
+    /**
+     * 自定义正文view
+     * @param view 正文
+     */
+    override fun setContentView(view: View) {
+        dialogContext.addView(view)
+    }
+
+    /**
+     * 不允许设置资源id
+     * @param layoutResID 正文id
+     */
+    @Deprecated("设置资源id会导致内容无法控制，不建议使用",
+        ReplaceWith("throw RuntimeException")
+    )
+    override fun setContentView(layoutResID: Int) {
+        throw RuntimeException(context.resources.getString(R.string.pop_dialog_exception_disable_content_layoutId))
+    }
+
+    /**
+     * 配置Dialog参数
+     */
+    private fun configDialog() {
+        val display: Display = POPDialogUtils.getDisplay(activityContext)
+
+        window!!.setLayout(
+            WindowManager.LayoutParams.MATCH_PARENT,
+            WindowManager.LayoutParams.MATCH_PARENT
+        )
+
+        window!!.setWindowAnimations(R.style.dialog_pop_anim)
+        val attributes = window?.attributes!!
+        attributes.windowAnimations = R.anim.enter_anim
+        attributes.x = 0
+        attributes.y = 0
+        window!!.attributes = attributes
+        window!!.decorView.minimumHeight = display.mode.physicalHeight
+        window!!.decorView.minimumWidth = display.mode.physicalWidth
+        window!!.decorView.setBackgroundColor(Color.parseColor("#10000000"))
+        window!!.decorView.setPadding(0, 0, 0, 0)
+    }
+
+
+    /**
+     * 展开对话框
+     * @param expansion true 展开 false 拉下
+     */
+    private fun expansion(expansion: Boolean) {
+        val viewAnim = if (expansion) {
+            ObjectAnimator.ofFloat(view, "translationY", 0f).setDuration(300L)
+        } else {
+            ObjectAnimator.ofFloat(view, "translationY", expansionY).setDuration(300L)
+        }
+        showModel = if (expansion) {
+            1
+        } else {
+            0
+        }
+        viewAnim.start()
+    }
+
+    /**
+     * 获取正文view所占用大小
+     */
+    override fun onWindowFocusChanged(hasFocus: Boolean) {
+        super.onWindowFocusChanged(hasFocus)
+        if (hasFocus) {
+            if (dialogContext.height > (POPDialogUtils.getDisplay(activityContext).mode.physicalHeight / 3)) {
+                touchHook = true
+                val params = LinearLayout.LayoutParams(
+                    ViewGroup.LayoutParams.MATCH_PARENT,
+                    ViewGroup.LayoutParams.WRAP_CONTENT
+                )
+                params.height = (dialogContext.height / 1.25).toInt()
+                dialogContext.layoutParams = params
+                view.y =(POPDialogUtils.getDisplay(activityContext).mode.physicalHeight / 2).toFloat()
+                expansionY = view.y
+            }
+            configTouch()
+        }
+    }
+
+    /**
+     * 配置触摸事件
+     */
+    @SuppressLint("ClickableViewAccessibility")
+    private fun configTouch() {
+        val layout = FrameLayout(activityContext)
+        val params = FrameLayout.LayoutParams(
+            ViewGroup.LayoutParams.WRAP_CONTENT,
+            ViewGroup.LayoutParams.MATCH_PARENT
+        )
+        params.width= (POPDialogUtils.getDisplay(activityContext).mode.physicalWidth*0.8).toInt()
+        params.gravity=Gravity.CENTER
+        layout.layoutParams = params
+        layout.setOnTouchListener(object : View.OnTouchListener {
+            override fun onTouch(p0: View?, p1: MotionEvent?): Boolean {
+                if (touchHook) {
+                    touch.onTouchEvent(p1)
+                    return true
+                }
+                return false
+            }
+
+        })
+        this@POPDialog.layout.addView(layout)
+    }
+
+    /**
+     * 显示弹窗
+     */
+    override fun show() {
+        configDialog()
+        super.show()
+        touch = GestureDetectorCompat(activityContext, DialogTouch())
+    }
+
+    /**
+     * 结束弹窗
+     */
+    fun finish() {
+        val animation = AnimationUtils.loadAnimation(
+            context,
+            R.anim.exit_anim
+        )
+        animation.setAnimationListener(object : Animation.AnimationListener {
+            override fun onAnimationStart(p0: Animation?) {
+            }
+
+            override fun onAnimationEnd(p0: Animation?) {
+                dismiss()
+            }
+
+            override fun onAnimationRepeat(p0: Animation?) {
+            }
+
+        })
+        view.startAnimation(animation)
+    }
+
+    /**
+     * 触摸事件
+     */
+    private inner class DialogTouch : GestureDetector.SimpleOnGestureListener() {
+        override fun onScroll(
+            e1: MotionEvent?,
+            e2: MotionEvent?,
+            distanceX: Float,
+            distanceY: Float
+        ): Boolean {
+            super.onScroll(e1, e2, distanceX, distanceY)
+            if ((e2!!.y - e1!!.y) < -100f) {
+                expansion(true)
+                return true
+            } else if ((e2.y - e1.y) > 100f) {
+                expansion(false)
+                return true
+            }
+            return false
+        }
+    }
+}

POPDialog/src/main/java/com/yutou/popdialog/utils/POPDialogUtils.kt

@@ -0,0 +1,20 @@
+package com.yutou.popdialog.utils
+
+import android.app.Activity
+import android.os.Build
+import android.view.Display
+
+class POPDialogUtils {
+    companion object{
+        /**
+         * 获取Display
+         */
+        fun getDisplay(context:Activity): Display {
+            return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+                context.display!!
+            } else {
+                context.windowManager.defaultDisplay
+            }
+        }
+    }
+}

POPDialog/src/main/java/com/yutou/popdialog/views/ExitButton.kt

@@ -0,0 +1,51 @@
+package com.yutou.popdialog.views
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Color
+import android.graphics.Paint
+import android.graphics.RectF
+import android.view.View
+import kotlin.properties.Delegates
+
+
+class ExitButton(context:Context): View(context) {
+    private var buttonColor by Delegates.notNull<Int>()
+    private var buttonBackgroundColor =Color.WHITE
+    init {
+        buttonColor= Color.parseColor("#AEB8B9")
+    }
+    override fun draw(canvas: Canvas?) {
+        super.draw(canvas)
+        val shadowPaint = Paint()
+        shadowPaint.isAntiAlias = true
+        shadowPaint.style = Paint.Style.FILL
+        shadowPaint.color = buttonBackgroundColor
+        val shadow = RectF(9f, 9f, 71f, 71f)
+        canvas!!.drawArc(shadow, 0f, 360f, true, shadowPaint)
+
+        val paint = Paint()
+        paint.isAntiAlias = true
+        paint.color = buttonBackgroundColor
+        paint.style = Paint.Style.FILL
+        paint.strokeWidth = 3f
+        val rectF = RectF(10f, 10f, 70f, 70f)
+        canvas.drawArc(rectF, 0f, 360f, true, paint)
+
+        val linePaint = Paint()
+        linePaint.isAntiAlias = true
+        linePaint.color = buttonColor
+        linePaint.style = Paint.Style.FILL
+        linePaint.strokeWidth = 3f
+        val lineStart = Vector2(25f, 25f)
+        val lineEnd = Vector2(55f, 55f)
+        canvas.drawLine(lineStart.x, lineStart.y, lineEnd.x, lineEnd.y, linePaint)
+        canvas.drawLine(lineEnd.x, lineStart.y, lineStart.y, lineEnd.x, linePaint)
+    }
+
+    override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec)
+        setMeasuredDimension(80,80)
+    }
+    private class Vector2  constructor(var x: Float, var y: Float)
+}

POPDialog/src/main/res/anim/enter_anim.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+    android:fillAfter="true"
+    android:fillBefore="false"
+    android:duration="300">
+    <translate
+        android:fromXDelta="0"
+        android:fromYDelta="+50%p"
+        android:toXDelta="0"
+        android:toYDelta="0" />
+</set>

POPDialog/src/main/res/anim/exit_anim.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+    android:fillAfter="true"
+    android:fillBefore="false"
+    android:duration="300">
+    <translate
+        android:fromXDelta="0"
+        android:fromYDelta="0"
+        android:toXDelta="0"
+        android:toYDelta="+60%p" />
+</set>

POPDialog/src/main/res/drawable/dialog_line.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#9e9e9e"/>
+    <stroke android:dashGap="1dp" android:dashWidth="1dp"/>
+</shape>

POPDialog/src/main/res/drawable/dialog_title.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <corners android:topRightRadius="30dp" android:topLeftRadius="30dp"/>
+    <solid android:color="#f1f2f6"/>
+</shape>

POPDialog/src/main/res/layout/dialog.xml

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/linearLayout"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <LinearLayout
+        android:id="@+id/linearLayout2"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@drawable/dialog_title"
+        android:orientation="horizontal"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <FrameLayout
+            android:id="@+id/title"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_marginLeft="15dp"
+            android:layout_marginTop="10dp"
+            android:layout_marginRight="15dp"
+            android:layout_marginBottom="10dp"
+            android:layout_weight="1"
+            android:orientation="horizontal" />
+
+    </LinearLayout>
+
+    <View
+        android:id="@+id/divider"
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        app:layout_constraintTop_toBottomOf="@id/linearLayout2"
+        android:background="?android:attr/listDivider" />
+
+    <FrameLayout
+        android:id="@+id/context"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="#f1f2f6"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="1.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/divider"
+        android:orientation="vertical" />
+</LinearLayout>

POPDialog/src/main/res/values-zh-rCN/string.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="pop_dialog_exception_disable_content_layoutId">禁止使用资源id来填充正文部分</string>
+</resources>

POPDialog/src/main/res/values/string.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="pop_dialog_exception_disable_content_layoutId">Disallow padding the body section with layoutId</string>
+</resources>

POPDialog/src/main/res/values/styles.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="SuspensionDialog">
+       <item name="android:background">@drawable/dialog_title</item>
+    </style>
+    <style name="BaseDialog" parent="Theme.AppCompat.Dialog">
+        <item name="android:windowBackground">@android:color/transparent</item>
+        <item name="android:windowIsFloating">false</item>
+    </style>
+    <style name="DialogTitle">
+        <item name="android:textSize">15sp</item>
+        <item name="android:textColor">#212121</item>
+        <item name="android:layout_gravity">center</item>
+        <item name="android:gravity">center</item>
+    </style>
+    <style name="dialog_pop_anim" parent="android:Animation" mce_bogus="1">
+        <item name="android:windowEnterAnimation">@anim/enter_anim</item>
+    </style>
+    <style name="messageText">
+        <item name="android:textColor">#212121</item>
+        <item name="android:gravity">center</item>
+        <item name="android:padding">20dp</item>
+    </style>
+</resources>

POPDialog/src/test/java/com/yutou/popdialog/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package com.yutou.popdialog
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}

app/build.gradle

@@ -13,7 +13,7 @@ android {
         versionCode 1
         versionName "1.0"
 
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
     }
 
     buildTypes {
@@ -33,9 +33,10 @@ android {
 
 dependencies {
 
-    implementation 'com.android.support:appcompat-v7:28.0.0'
-    implementation 'com.android.support.constraint:constraint-layout:2.0.4'
+    implementation 'androidx.appcompat:appcompat:1.4.1'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
     testImplementation 'junit:junit:4.13.2'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+    implementation project(path:':POPDialog')
 }

app/src/androidTest/java/com/yutou/pop_up_dialog/ExampleInstrumentedTest.kt

@@ -1,7 +1,7 @@
 package com.yutou.pop_up_dialog
 
-import android.support.test.InstrumentationRegistry
-import android.support.test.runner.AndroidJUnit4
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
 
 import org.junit.Test
 import org.junit.runner.RunWith

app/src/main/java/com/yutou/pop_up_dialog/MainActivity.kt

@@ -1,11 +1,52 @@
 package com.yutou.pop_up_dialog
 
-import android.support.v7.app.AppCompatActivity
 import android.os.Bundle
+import android.view.ViewGroup
+import android.widget.ArrayAdapter
+import android.widget.FrameLayout
+import android.widget.ListView
+import android.widget.TextView
+import androidx.appcompat.app.AppCompatActivity
+import com.yutou.popdialog.POPDialog
 
 class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+        val textView = findViewById<TextView>(R.id.dialog_textView)
+        textView.setOnClickListener {
+            showDialog()
+        }
+        showDialog()
+    }
+
+
+    fun showDialog() {
+        val params = FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 300)
+        val textView = TextView(this@MainActivity)
+        textView.text = "aaaaaaaaaaaaaa"
+        textView.layoutParams = params
+
+        val dialog = POPDialog(this)
+        //dialog.setTitle(textView)
+        dialog.setTitle("标题")
+        //dialog.setMessage("正文测试")
+        //dialog.setContentView(textView)
+        dialog.setContentView(getListView())
+        dialog.enableExitButton(true)
+        dialog.show()
+    }
+
+    private fun getListView(): ListView {
+        val listView = ListView(this@MainActivity)
+        val list = ArrayList<String>()
+
+        for (i in 1..50) {
+            list.add("item is $i")
+        }
+        listView.adapter =
+            ArrayAdapter<String>(this@MainActivity, android.R.layout.simple_list_item_1, list)
+
+        return listView
     }
 }

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

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -7,6 +7,7 @@
     tools:context=".MainActivity">
 
     <TextView
+        android:id="@+id/dialog_textView"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="Hello World!"
@@ -15,4 +16,5 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
-</android.support.constraint.ConstraintLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

gradle.properties

@@ -16,4 +16,6 @@ kotlin.code.style=official
 # Enables namespacing of each library's R class so that its R class includes only the
 # resources declared in the library itself and none from the library's dependencies,
 # thereby reducing the size of the R class for that library
-android.nonTransitiveRClass=true
+android.nonTransitiveRClass=true
+android.useAndroidX=true
+android.enableJetifier=true

settings.gradle

@@ -14,3 +14,4 @@ dependencyResolutionManagement {
 }
 rootProject.name = "POP-UP-Dialog"
 include ':app'
+include ':POPDialog'