初版

.gitignore

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+*.iml
+*.bat
+*.zip
+local.properties
+*.hprof
+/captures
+~$*
+gradlew
+.DS_Store
+.gradle
+build
+/*/build
+proguardMapping.txt
+
+#.idea相关
+/.idea
+.externalNativeBuild
+.cxx
+
+# 安装包
+/debug
+/release
+/*/debug
+/*/release

README.md

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+# Lightweight and fast  RoundedImageView
+
+### [中文文档](README-zh.md)
+
+```
+        <com.wang.round.RoundedImageView
+            android:id="@+id/riv"
+            android:layout_width="400dp"
+            android:layout_height="200dp"
+            android:layout_marginTop="1px"
+            android:background="#aaa"
+            android:padding="20dp"
+            android:scaleType="centerCrop"
+            android:src="@drawable/ttt3"
+            app:borderColor="#f0f"
+            app:borderWidth="10dp"
+            app:cornerRadius="50dp" />
+```
+
+![img](example.png "img")
+
+#### All attributes:
+
+cornerRadius、cornerTopLeftRadius、cornerTopRightRadius、cornerBottomLeftRadius、cornerBottomRightRadius、oval
+
+borderWidth、borderColor
+
+### Support
+
+- Support rounded corners, four different rounded corners, oval, and border
+
+- Support xml preview
+
+- All ImageView images are supported, such as: glide load gif images
+
+- All ImageView properties are available and are exactly the same (except setCropToPadding), such as
+  adjustViewBounds、scaleType、padding
+
+### Gradle
+
+Your build.gradle must have jitpack.io, like：
+
+```
+allprojects {
+    repositories {
+        maven { url 'https://jitpack.io' }
+        google()
+        jcenter()
+    }
+}
+```
+
+then：
+`api or implementation 'com.github.weimingjue::'`

app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+}
+
+android {
+    compileSdkVersion 30
+
+    defaultConfig {
+        applicationId "com.wang.example"
+        minSdkVersion 16
+
+        resValue("string", "app_name", "圆角iv示例")
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'androidx.core:core-ktx:1.3.2'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.3.0'
+
+    implementation 'com.github.bumptech.glide:glide:4.9.0'
+
+    implementation project(path: ':round')
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.wang.example">
+
+    <application
+        android:allowBackup="true"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Design.Light.NoActionBar">
+        <activity android:name="com.wang.example.MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/wang/example/MainActivity.kt

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+package com.wang.example
+
+import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
+import android.os.Message
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import com.bumptech.glide.Glide
+import com.wang.round.RoundedImageView
+
+class MainActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+        val riv = findViewById<RoundedImageView>(R.id.riv_0)
+        object : Handler(Looper.getMainLooper()) {
+            override fun handleMessage(msg: Message) {
+                super.handleMessage(msg)
+                if (isFinishing) {
+                    return
+                }
+                toast("切换${msg.what}")
+                riv.run {
+                    when (msg.what) {
+                        1 -> {
+                            setCornerRadius(60)
+                        }
+                        2 -> {
+                            setCornerRadius(150, 150, 60, 150)
+                            setBorderWidth(9)
+                            setBorderColor(0xff0000ff.toInt())
+                        }
+                        3 -> {
+                            setCornerRadius(10000)
+                            setBorderWidth(0)
+                        }
+                        4 -> {
+                            setIsOval(true)
+                            setBorderWidth(9)
+                            setBorderColor(0xff0000ff.toInt())
+                        }
+                        5 -> {
+                            Glide.with(this)
+                                .asGif()
+                                .load(R.drawable.gif_test)
+                                .into(this)
+                        }
+                        else -> {
+                        }
+                    }
+                }
+                if (msg.what < 5) {
+                    sendEmptyMessageDelayed(msg.what + 1, 2000);
+                }
+            }
+        }.sendEmptyMessageDelayed(1, 2000)
+    }
+
+    fun toast(st: String) {
+        Toast.makeText(this, st, Toast.LENGTH_SHORT).show()
+    }
+}

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

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+<?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"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <com.wang.round.RoundedImageView
+        android:id="@+id/riv_0"
+        android:layout_width="200dp"
+        android:layout_height="100dp"
+        android:background="#eee"
+        android:padding="10dp"
+        android:scaleType="centerCrop"
+        android:src="@drawable/img_test"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <com.wang.round.RoundedImageView
+        android:layout_width="200dp"
+        android:layout_height="100dp"
+        android:background="#ddd"
+        android:padding="10dp"
+        android:scaleType="centerCrop"
+        android:src="@drawable/img_test"
+        app:cornerRadius="20dp"
+        app:layout_constraintLeft_toRightOf="@+id/riv_0"
+        app:layout_constraintTop_toTopOf="@+id/riv_0" />
+
+    <com.wang.round.RoundedImageView
+        android:id="@+id/riv_2"
+        android:layout_width="200dp"
+        android:layout_height="100dp"
+        android:background="#ccc"
+        android:padding="10dp"
+        android:scaleType="centerCrop"
+        android:src="@drawable/img_test"
+        app:borderColor="#00f"
+        app:borderWidth="3dp"
+        app:cornerBottomLeftRadius="20dp"
+        app:cornerRadius="50dp"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/riv_0" />
+
+    <com.wang.round.RoundedImageView
+        android:layout_width="200dp"
+        android:layout_height="100dp"
+        android:background="#bbb"
+        android:padding="10dp"
+        android:scaleType="centerCrop"
+        android:src="@drawable/img_test"
+        app:cornerRadius="5000dp"
+        app:layout_constraintLeft_toRightOf="@+id/riv_2"
+        app:layout_constraintTop_toTopOf="@+id/riv_2" />
+
+    <com.wang.round.RoundedImageView
+        android:id="@+id/riv_4"
+        android:layout_width="200dp"
+        android:layout_height="100dp"
+        android:background="#aaa"
+        android:padding="10dp"
+        android:scaleType="centerCrop"
+        android:src="@drawable/img_test"
+        app:borderColor="#00f"
+        app:borderWidth="3dp"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/riv_2"
+        app:oval="true" />
+
+    <com.wang.round.RoundedImageView
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        android:background="#999"
+        android:padding="10dp"
+        android:scaleType="centerCrop"
+        android:src="@drawable/img_test"
+        app:borderColor="#00f"
+        app:borderWidth="3dp"
+        app:layout_constraintLeft_toRightOf="@+id/riv_4"
+        app:layout_constraintTop_toTopOf="@+id/riv_4"
+        app:oval="true" />
+</androidx.constraintlayout.widget.ConstraintLayout>

build.gradle

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+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    ext.kotlin_version = "1.4.32"
+    repositories {
+        maven { url 'https://jitpack.io' }
+        google()
+        jcenter()
+        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }
+        maven { url 'https://maven.aliyun.com/repository/public/' }
+        maven { url 'https://maven.aliyun.com/repository/google/' }
+        maven { url 'https://maven.aliyun.com/repository/jcenter/' }
+        maven { url 'https://maven.aliyun.com/repository/central/' }
+    }
+    dependencies {
+        classpath "com.android.tools.build:gradle:4.1.3"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        maven { url 'https://jitpack.io' }
+        google()
+        jcenter()
+        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }
+        maven { url 'https://maven.aliyun.com/repository/public/' }
+        maven { url 'https://maven.aliyun.com/repository/google/' }
+        maven { url 'https://maven.aliyun.com/repository/jcenter/' }
+        maven { url 'https://maven.aliyun.com/repository/central/' }
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

gradle.properties

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+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app"s APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official

gradle/wrapper/gradle-wrapper.properties

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+#Tue Apr 27 15:19:57 CST 2021
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip