added sample project

Author: Andrii Kovalchuk

README.md

@@ -0,0 +1,104 @@
+# ProgressButton  [![](https://jitpack.io/v/muramrr/ProgressButton.svg)](https://jitpack.io/#muramrr/ProgressButton) [![](https://img.shields.io/github/license/muramrr/ProgressButton.svg)](https://github.com/muramrr/ProgressButton/blob/master/LICENSE)
+
+Original prototype [Dribble link](https://dribbble.com/shots/1945593-Login-Home-Screen)
+
+[iOS library](https://github.com/entotsu/TKSubmitTransition)
+
+Sample project available in **app** directory
+
+
+## Overview
+
+Custom button with progress anim and transition to another activity/fragment
+
+Better to use with **AsyncTask** or **Handler()** or *RxJava* **doFinally()**
+
+![](https://github.com/muramrr/ProgressButton/blob/master/test.gif)
+## Installation
+
+Add jitpack repo in your project.gradle
+```gradle
+allprojects {
+	repositories {
+		...
+		maven { url 'https://jitpack.io' }
+	}
+ }
+ ```
+
+Add implementation in your app.gradle
+```gradle
+dependencies {
+  implementation 'com.github.muramrr:ProgressButton:1.0'
+}
+```
+## Usage XML
+
+```xml
+<com.mmdev.progressbuttonlib.ProgressButton
+    android:layout_height="50dp"
+    android:layout_width="match_parent"
+    android:id="@+id/btn_done"
+    android:layout_margin="20dp"
+    app:backgroundColor="@android:color/holo_orange_light"
+    app:progressColor="@android:color/holo_orange_light"
+    app:text="DONE!"
+    app:textColor="@android:color/black" />
+```
+Available attributes:
+* app:backgroundColor - **Button background color** *(default = Color.BLUE)*
+* app:progressColor - **Progress loading color** *(default = Color.WHITE)*
+* app:text - **Button text** *(default = "")*
+* app:textColor - **Button text color** *(default = Color.WHITE)*
+## Code
+
+```java
+private ProgressButton pb_button;
+...
+pb_button = findViewById(R.id.btn_done);
+pb_button.setOnClickListener(new View.OnClickListener() {
+  @Override
+  public void onClick (View v) {
+    pb_button.startAnim(); //start progress button loading
+    /**
+    * manual stop animation method
+    * you can handle it with Runnable()
+    * delay progress loading in Handler()
+    * or you can use it with AsyncTask class
+    * startAnim() in preExecute
+    * stopAnim() in postExecute
+    */
+    new Handler().postDelayed(() -> pb_button.stopAnim(this::startSecondActivity), 760);
+  }
+});
+```
+Available methods:
+* setBgColor(int color) - **Set button background color**
+* setProColor(int color) - **Set progress color**
+* setButtonText(String str) - **Set button text**
+* setTextColor(int color) - **Set button text color**
+
+## License
+```license
+MIT License
+
+Copyright (c) 2019 Andrii Kovalchuk
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+```