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A simple material design app intro with cool animations and a simple API.

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material-intro

Android Arsenal jitpack.io Build Status Apache License 2.0

A simple material design app intro with cool animations and a simple API.

Very inspired by Google's app intros.

Demo video on YouTube: https://youtu.be/eKnCHw0UTrk

Demo

A demo app is available on Google Play:

Get it on Google Play

Screenshots

Simple slide Custom slide Fade effect Permission request
Simple slide Custom slide Fade effect Permission request
SimpleSlide.java FragmentSlide.java IntroActivity.java SimpleSlide.java

Features

  • Material design (check the docs)
  • Easy customization
  • Predefined slide layouts
  • Custom slides
  • Parallax slides
  • Fluent API

Dependency

material-intro is available on jitpack.io

Gradle dependency:

allprojects {
    repositories {
        maven { url 'https://jitpack.io' }
    }
}
dependencies {
    compile 'com.heinrichreimersoftware:material-intro:1.6'
}

How-To-Use

Step 1: Your Activity must extend IntroActivity and be in your AndroidManifest.java:

public class MainIntroActivity extends IntroActivity{
    @Override
    protected void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
    }
}
<manifest ...>
    <application ...>
        <activity android:name=".MainIntroActivity"
            android:theme="@style/Theme.Intro"/>
    </application>
</manifest>

Step 2: Add Slides:

public class MainIntroActivity extends IntroActivity{
    @Override
    protected void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);

        /**
         * Standard slide (like Google's intros)
         */
        addSlide(new SimpleSlide.Builder()
                .title(R.string.title_1)
                .description(R.string.description_1)
                .image(R.drawable.image_1)
                .background(R.color.background_1)
                .backgroundDark(R.color.background_dark_1)
                .permission(Manifest.permission.CAMERA)
                .build());

        /**
         * Custom fragment slide
         */
        addSlide(new FragmentSlide.Builder()
                .background(R.color.background_2)
                .backgroundDark(R.color.background_dark_2)
                .fragment(R.layout.fragment_2, R.style.FragmentTheme)
                .build());
    }
}

Slide types:

  • SimpleSlide: Standard slide featuring a title, short description and image like Google's intros.
  • FragmentSlide: Custom slide containing a Fragment or a layout resource.
  • Slide: Base slide. If you want to modify what's shown in your slide this is the way to go.
  • Feel free to submit an issue or pull request if you think any slide types are missing

Step 3: Enable features:

public class MainIntroActivity extends IntroActivity{
    @Override
    protected void onCreate(Bundle savedInstanceState){

        /* Enable/disable fullscreen */
        setFullscreen(true);

        super.onCreate(savedInstanceState);

        /* Enable/disable skip button */
        setSkipEnabled(true);

        /* Enable/disable finish button */
        setFinishEnabled(true);

        /* Add a navigation policy to define when users can go forward/backward */
        setNavigationPolicy(new NavigationPolicy() {
            @Override
            public boolean canGoForward(int position) {
                return true;
            }

            @Override
            public boolean canGoBackward(int position) {
                return false;
            }
        });

        /* Add a listener to detect when users try to go to a page they can't go to */
        addOnNavigationBlockedListener(new OnNavigationBlockedListener() {
            @Override
            public void onNavigationBlocked(int position, int direction) {
            }
        });

        /* Add your own page change listeners */
        addOnPageChangeListener(new ViewPager.OnPageChangeListener(){
            @Override
            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
            }
            @Override
            public void onPageSelected(int position) {
            }
            @Override
            public void onPageScrollStateChanged(int state) {
            }
        });
    }
}

###Pro Tip: Parallax slides

You can easily acheive a nice looking parallax effect for any slide by using either ParallaxFrameLayout.java, ParallaxLinearLayout.java or ParallaxRelativeLayout.java and defining layout_parallaxFactor for its childrens.
A higher factor means a stronger parallax effect, 0 means no parallax effect at all.

<com.heinrichreimersoftware.materialintro.view.parallax.ParallaxLinearLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    ... >

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:layout_parallaxFactor="0"
        ... />

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:layout_parallaxFactor="1.25"
        ... />

</com.heinrichreimersoftware.materialintro.view.parallax.ParallaxLinearLayout>

###Pro Tip: Splash screens

Check out the sample if you want to show the intro on first start.
(SplashActivity.java, SplashIntroActivity.java, FinishActivity.java)

Changes

See the releases section for detailed changelogs.

Open source libraries

material-intro uses the following open source files:

License

Copyright 2016 Heinrich Reimer

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.

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