first commit.

.gitignore

@@ -1,3 +1,4 @@
+/build
 # Built application files
 *.apk
 *.aar

build.gradle

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+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 29
+    buildToolsVersion "29.0.3"
+
+    defaultConfig {
+        minSdkVersion 21
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles 'consumer-rules.pro'
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.core:core-ktx:1.2.0'
+    testImplementation 'junit:junit:4.13'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+}

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/kishan/library/ktoaster/ExampleInstrumentedTest.kt

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+package kishan.library.ktoaster
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.platform.app.InstrumentationRegistry
+import org.junit.Assert.assertEquals
+import org.junit.Test
+import org.junit.runner.RunWith
+
+/**
+ * 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("kishan.library.ktoaster.test", appContext.packageName)
+    }
+}

src/main/AndroidManifest.xml

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+<manifest package="kishan.library.ktoaster" />

src/main/java/kishan/library/ktoaster/ToastMessage.kt

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+package kishan.library.ktoaster
+
+import android.content.Context
+import android.widget.Toast
+import androidx.annotation.StringRes
+
+object ToastMessage : Throwable("ToastMessage is not initialized") {
+
+    lateinit var context: Context
+
+
+    fun initialize(context: Context) {
+        this.context = context
+    }
+
+    fun s(@StringRes message: Int) {
+        s(context.resources.getString(message))
+    }
+
+    fun s(message: String, isShort: Boolean = true) {
+        Toast.makeText(context, message, Toast.LENGTH_SHORT).show()
+    }
+
+    fun l(@StringRes message: Int) {
+        l(context.resources.getString(message))
+    }
+
+    fun l(message: String, isShort: Boolean = true) {
+        Toast.makeText(context, message, Toast.LENGTH_LONG).show()
+    }
+}

src/test/java/kishan/library/ktoaster/ExampleUnitTest.kt

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+package kishan.library.ktoaster
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+/**
+ * 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)
+    }
+}