first push

version 1.0

build.gradle

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+/*
+ * Copyright 2019 Thatchakon Jom-ud
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-android'
+
+android {
+    compileSdkVersion 28
+
+    defaultConfig {
+        minSdkVersion 21
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+}
+repositories {
+    mavenCentral()
+}

proguard-rules.pro

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+# 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

src/androidTest/java/tk/dsjin/roundlinearlayout/ExampleInstrumentedTest.java

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+package tk.dsjin.roundlinearlayout;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    /**
+     * Use app context.
+     */
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("tk.dsjin.roundlinearlayout.test", appContext.getPackageName());
+    }
+}

src/main/AndroidManifest.xml

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+
+<!--
+  ~ Copyright 2019 Thatchakon Jom-ud
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<manifest package="tk.dsjin.roundlinearlayout"/>

src/main/java/tk/dsjin/roundlinearlayout/RoundLinearLayout.kt

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+/*
+ * Copyright 2019 Thatchakon Jom-ud
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package tk.dsjin.roundlinearlayout
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Path
+import android.graphics.RectF
+import android.util.AttributeSet
+import android.widget.LinearLayout
+
+class RoundLinearLayout: LinearLayout {
+    private var radian : Int
+    private var path : Path
+    constructor(context : Context): super(context)
+    constructor(context: Context, attrs : AttributeSet):super(context, attrs){
+        val a = context.obtainStyledAttributes(attrs, R.styleable.RoundLinearLayout)
+        radian = a.getInt(R.styleable.RoundLinearLayout_radian, 20)
+        a.recycle()
+    }
+    constructor(context : Context, attrs : AttributeSet, defStyleAttr : Int):super(context, attrs, defStyleAttr)
+    init {
+        path = Path()
+        radian = 20
+    }
+    override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
+        super.onSizeChanged(w, h, oldw, oldh)
+        path.reset()
+        val rect = RectF()
+        rect.set(0f, 0f, w.toFloat(), h.toFloat())
+        path.addRoundRect(rect, radian.toFloat(), radian.toFloat(), Path.Direction.CW)
+        path.close()
+    }
+
+    override fun draw(canvas: Canvas) {
+        val save = canvas.save()
+        canvas.clipPath(path)
+        super.draw(canvas)
+        canvas.restoreToCount(save)
+    }
+
+    fun setRadius(radian : Int){
+        this.radian = radian
+        invalidate()
+    }
+}

src/main/res/values/attrs.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <declare-styleable name="RoundLinearLayout">
+        <attr name="radian" format="integer" />
+    </declare-styleable>
+</resources>

src/test/java/tk/dsjin/roundlinearlayout/ExampleUnitTest.java

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+package tk.dsjin.roundlinearlayout;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    /**
+     * Addition is correct.
+     */
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}