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About Chryssa Aliferi

Chryssa Aliferi
Chryssa is a Computer Science graduate from Athens University of Economic and Business. During her studies, Chryssa carried out a great variety of projects ranging from networking to software engineering. She is very keen on front end development especially on mobile technologies and web applications. She has worked as a junior Software Engineer in the telecommunications area and currently works as an Android Developer.

Android Activity Transition Example

The transitions between different Android Activites consist of animations that are used when we enter and exit a specific Activity.

In this example, we are going to define simple transition animations in XML resource files and use them as simple transitions between the Android Activities of our example.

All we have to do is to override the Activity.overridePendingTransition().

Let’s take a closer look:

For our example will use the following tools in a Windows 64-bit or an OS X platform:

  • JDK 1.7
  • Android Studio 2.1.1
  • Android SDK 5.0

1. Create a New Android Studio Project

Tip
You may skip project creation and jump directly to the beginning of the example below.

Open Android Studio and choose “Start a new Android Studio Project” in the welcome screen.

“Welcome to Android Studio” screen. Choose “Start a new Android Studio Project”.

“Welcome to Android Studio” screen. Choose “Start a new Android Studio Project”.

Specify the name of the application, the project and the package.

“Configure your new project” screen. Add your application name and the projects package name.

“Configure your new project” screen. Add your application name and the projects package name.

In the next window, select the form factors your app will run on.

“Target Android Devices” screen.

“Target Android Devices” screen.

In the next window you should choose “Add no activity”. In this example, we are going to create our Activity.

“Add an activity to Mobile”. Choose: “Add no activity”.

“Add an activity to Mobile”. Choose: “Add no activity”.

Now, our project has just been created!

2. Create the layout of a simple TransitionsActivity1 Activity

Add a new xml file inside /res/layout folder, with name transitions_activity1.xml. We should have /layout/transitions_activity1.xml file and paste the code below.

transitions_activity1.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#ffcc00"
    android:gravity="center"
    android:orientation="vertical">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_margin="10dp"
        android:text="Go to TransitionsActivity2 with: "
        android:textColor="#262626"
        android:textSize="20dp" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:orientation="horizontal">

        <FrameLayout
            android:id="@+id/fade_in"
            android:layout_width="150dp"
            android:layout_height="50dp"
            android:layout_margin="10dp"
            android:background="#ededed"
            android:clickable="true">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:text="Fade In" />
        </FrameLayout>

        <FrameLayout
            android:id="@+id/fade_out"
            android:layout_width="150dp"
            android:layout_height="50dp"
            android:layout_margin="10dp"
            android:background="#ededed"
            android:clickable="true">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:text="Fade Out" />
        </FrameLayout>
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:orientation="horizontal">

        <FrameLayout
            android:id="@+id/slide_down"
            android:layout_width="150dp"
            android:layout_height="50dp"
            android:layout_margin="10dp"
            android:background="#ededed"
            android:clickable="true">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:text="Slide Down" />
        </FrameLayout>

        <FrameLayout
            android:id="@+id/slide_up"
            android:layout_width="150dp"
            android:layout_height="50dp"
            android:layout_margin="10dp"
            android:background="#ededed">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:text="Slide Up" />
        </FrameLayout>
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:orientation="horizontal">

        <FrameLayout
            android:id="@+id/slide_from_left"
            android:layout_width="150dp"
            android:layout_height="50dp"
            android:layout_margin="10dp"
            android:background="#ededed">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:text="Slide From Left" />
        </FrameLayout>

        <FrameLayout
            android:id="@+id/slide_from_right"
            android:layout_width="150dp"
            android:layout_height="50dp"
            android:layout_margin="10dp"
            android:background="#ededed">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:text="Slide From Right" />
        </FrameLayout>
    </LinearLayout>
</LinearLayout>

3. Creating the source code of the TransitionsActivity1 Activity

Add a new Java class Activity inside src/javacodegeeks.com.activitytransitionsexample/ so that we are going to have the src/javacodegeeks.com.activitytransitionsexample/TransitionsActivity1.java file and paste the code below.

TransitionsActivity1.java

package javacodegeeks.com.activitytransitionsexample;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.FrameLayout;

public class TransitionsActivity1 extends Activity implements View.OnClickListener {

    Context context;

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        context = TransitionsActivity1.this;
        setContentView(R.layout.transitions_activity1);
        initializeViews();
    }

    public void initializeViews() {
        FrameLayout fade_in_button = (FrameLayout) findViewById(R.id.fade_in);
        fade_in_button.setOnClickListener(this);

        FrameLayout fade_out_button = (FrameLayout) findViewById(R.id.fade_out);
        fade_out_button.setOnClickListener(this);

        FrameLayout slide_down_button = (FrameLayout) findViewById(R.id.slide_down);
        slide_down_button.setOnClickListener(this);

        FrameLayout slide_up_button = (FrameLayout) findViewById(R.id.slide_up);
        slide_up_button.setOnClickListener(this);

        FrameLayout slide_from_left_button = (FrameLayout) findViewById(R.id.slide_from_left);
        slide_from_left_button.setOnClickListener(this);

        FrameLayout slide_from_right_button = (FrameLayout) findViewById(R.id.slide_from_right);
        slide_from_right_button.setOnClickListener(this);
    }

    private void goToNextActivity(int animationIn, int animationOut) {
        Intent intent = new Intent(context, TransitionsActivity2.class);
        intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(intent);
        overridePendingTransition(animationIn, animationOut);
    }

    @Override
    public void onClick(View v) {
        if (v.getId() == R.id.fade_in) {
            goToNextActivity(R.anim.fade_in, R.anim.fade_out);
        } else if (v.getId() == R.id.fade_out) {
            goToNextActivity(R.anim.fade_out, R.anim.fade_out);
        } else if (v.getId() == R.id.slide_down) {
            goToNextActivity(R.anim.slide_down, R.anim.fade_out);
        } else if (v.getId() == R.id.slide_up) {
            goToNextActivity(R.anim.slide_up, R.anim.fade_out);
        } else if (v.getId() == R.id.slide_from_left) {
            goToNextActivity(R.anim.slide_in_from_left, R.anim.fade_out);
        } else if (v.getId() == R.id.slide_from_right) {
            goToNextActivity(R.anim.slide_in_from_right, R.anim.fade_out);
        }
    }
}

4. Create the layout of a simple TransitionsActivity2 Activity

Add a new xml file inside /res/layout folder, with name transitions_activity2.xml. We should have /layout/transitions_activity2.xml file and paste the code below.

transitions_activity2.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#ff0000"
    android:gravity="center"
    android:orientation="vertical">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_margin="10dp"
        android:text="Go to TransitionsActivity1 with: "
        android:textColor="#262626"
        android:textSize="20dp" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:orientation="horizontal">

        <FrameLayout
            android:id="@+id/fade_in"
            android:layout_width="150dp"
            android:layout_height="50dp"
            android:layout_margin="10dp"
            android:background="#ededed"
            android:clickable="true">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:text="Fade In" />
        </FrameLayout>

        <FrameLayout
            android:id="@+id/fade_out"
            android:layout_width="150dp"
            android:layout_height="50dp"
            android:layout_margin="10dp"
            android:background="#ededed"
            android:clickable="true">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:text="Fade Out" />
        </FrameLayout>
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:orientation="horizontal">

        <FrameLayout
            android:id="@+id/slide_down"
            android:layout_width="150dp"
            android:layout_height="50dp"
            android:layout_margin="10dp"
            android:background="#ededed"
            android:clickable="true">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:text="Slide Down" />
        </FrameLayout>

        <FrameLayout
            android:id="@+id/slide_up"
            android:layout_width="150dp"
            android:layout_height="50dp"
            android:layout_margin="10dp"
            android:background="#ededed">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:text="Slide Up" />
        </FrameLayout>
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:orientation="horizontal">

        <FrameLayout
            android:id="@+id/slide_from_left"
            android:layout_width="150dp"
            android:layout_height="50dp"
            android:layout_margin="10dp"
            android:background="#ededed">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:text="Slide From Left" />
        </FrameLayout>

        <FrameLayout
            android:id="@+id/slide_from_right"
            android:layout_width="150dp"
            android:layout_height="50dp"
            android:layout_margin="10dp"
            android:background="#ededed">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:text="Slide From Right" />
        </FrameLayout>
    </LinearLayout>
</LinearLayout>

5. Creating the source code of the TransitionsActivity2 Activity

Add a new Java class Activity inside src/javacodegeeks.com.activitytransitionsexample/ so that we are going to have the src/javacodegeeks.com.activitytransitionsexample/TransitionsActivity2.java file and paste the code below.

TransitionsActivity2.java

package javacodegeeks.com.activitytransitionsexample;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.FrameLayout;


public class TransitionsActivity2 extends Activity implements View.OnClickListener {

    Context context;

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        context = TransitionsActivity2.this;
        setContentView(R.layout.transitions_activity2);
        initializeViews();
    }

    public void initializeViews() {
        FrameLayout fade_in_button = (FrameLayout) findViewById(R.id.fade_in);
        fade_in_button.setOnClickListener(this);

        FrameLayout fade_out_button = (FrameLayout) findViewById(R.id.fade_out);
        fade_out_button.setOnClickListener(this);

        FrameLayout slide_down_button = (FrameLayout) findViewById(R.id.slide_down);
        slide_down_button.setOnClickListener(this);

        FrameLayout slide_up_button = (FrameLayout) findViewById(R.id.slide_up);
        slide_up_button.setOnClickListener(this);

        FrameLayout slide_from_left_button = (FrameLayout) findViewById(R.id.slide_from_left);
        slide_from_left_button.setOnClickListener(this);

        FrameLayout slide_from_right_button = (FrameLayout) findViewById(R.id.slide_from_right);
        slide_from_right_button.setOnClickListener(this);
    }

    private void goToNextActivity(int animationIn, int animationOut) {
        Intent intent = new Intent(context, TransitionsActivity1.class);
        intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(intent);
        overridePendingTransition(animationIn, animationOut);
    }

    @Override
    public void onClick(View v) {
        if (v.getId() == R.id.fade_in) {
            goToNextActivity(R.anim.fade_in, R.anim.fade_out);
        } else if (v.getId() == R.id.fade_out) {
            goToNextActivity(R.anim.fade_out, R.anim.fade_out);
        } else if (v.getId() == R.id.slide_down) {
            goToNextActivity(R.anim.slide_down, R.anim.fade_out);
        } else if (v.getId() == R.id.slide_up) {
            goToNextActivity(R.anim.slide_up, R.anim.fade_out);
        } else if (v.getId() == R.id.slide_from_left) {
            goToNextActivity(R.anim.slide_in_from_left, R.anim.fade_out);
        } else if (v.getId() == R.id.slide_from_right) {
            goToNextActivity(R.anim.slide_in_from_right, R.anim.fade_out);
        }
    }
}

6. Creating xml animations for the transition

We are going to add the animation xml files inside the /res/anim folder. If this folder does not exist, then we should create it.

fade_in.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:fillAfter="true" >

    <alpha
        android:duration="1000"
        android:fromAlpha="0.0"
        android:interpolator="@android:anim/accelerate_interpolator"
        android:toAlpha="1.0" />

</set>

fade_out.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:fillAfter="true" >

    <alpha
        android:duration="1000"
        android:fromAlpha="1.0"
        android:interpolator="@android:anim/accelerate_interpolator"
        android:toAlpha="0.0" />

</set>

slide_down.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:fillAfter="true">

    <scale
        android:duration="500"
        android:fromXScale="1.0"
        android:fromYScale="0.0"
        android:interpolator="@android:anim/linear_interpolator"
        android:toXScale="1.0"
        android:toYScale="1.0" />

</set>

slide_up.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:fillAfter="true" >

    <scale
        android:duration="500"
        android:fromXScale="1.0"
        android:fromYScale="1.0"
        android:interpolator="@android:anim/linear_interpolator"
        android:toXScale="1.0"
        android:toYScale="0.0" />

</set>

slide_in_from_left.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate
        android:duration="500"
        android:fromXDelta="-100%p"
        android:toXDelta="0%p" />
</set>

slide_in_from_right.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate
        android:duration="300"
        android:fromXDelta="100%p"
        android:toXDelta="0%p" />
</set>

7. Android Manifest

The AndroidManifest.xml of our project is simple and contains no special permissions:

AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="javacodegeeks.com.activitytransitionsexample">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity
            android:name=".TransitionsActivity1"
            android:label="@string/app_name"
            android:screenOrientation="portrait">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity
            android:name="TransitionsActivity2"
            android:configChanges="orientation|keyboardHidden"
            android:screenOrientation="portrait"></activity>
    </application>

</manifest>

8. build.gradle

The build.gradle of our project is simple:

build.gradle

apply plugin: 'com.android.application'

android {
    compileSdkVersion 23
    buildToolsVersion "23.0.3"

    defaultConfig {
        applicationId "javacodegeeks.com.activitytransitionsexample"
        minSdkVersion 14
        targetSdkVersion 23
        versionCode 1
        versionName "1.0"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:23.4.0'
}

9. Build, compile and run

When we build, compile and run our project, the main Android Activity Transitions should look like this:

This is how our application looks.

This is how our application looks.

10. Download the Android Studio Project

This was an example of Android Activity Transitions Example.

Download
You can download the full source code of this example here: ActivityTransitionsExample
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