애니메이션 샘플 예제들

황제낙엽 2018.01.08 17:09 조회 수 : 186

sitelink1	https://www.journaldev.com/9481/android-animation-example
sitelink2
sitelink3

Android Animation is used to give the UI a rich look and feel. Animations in android apps can be performed through XML or android code. In this android animation tutorial we’ll go with XML codes for adding animations into our application.

Android Animation

Animation in android apps is the process of creating motion and shape change. The basic ways of animation that we’ll look upon in this tutorial are:

Fade In Animation
Fade Out Animation
Cross Fading Animation
Blink Animation
Zoom In Animation
Zoom Out Animation
Rotate Animation
Move Animation
Slide Up Animation
Slide Down Animation
Bounce Animation
Sequential Animation
Together Animation

Android Animation Example XML

We create a resource directory under the res folder names anim to keep all the xml files containing the animation logic. Following is a sample xml file showing an android animation code logic.

sample_animation.xml

<?xml version="1.0" encoding="utf-8"?>
<scale xmlns:android="http://schemas.android.com/apk/res/android"
  android:interpolator="@android:anim/accelerate_decelerate_interpolator"
  android:duration="300"
  android:fillAfter="true"
  android:fromXScale="0.0"
  android:fromYScale="0.0"
  android:toXScale="1.0"
  android:toYScale="1.0" />

android:interpolator : It is the rate of change in animation. We can define our own interpolators using the time as the constraint. In the above xml code an inbuilt interpolator is assigned
android:duration : Duration of the animation in which the animation should complete. It is 300ms here. This is generally the ideal duration to show the transition on the screen.
The start and end of the animation are set using:
```
android:fromTRANSFORMATION
android:toTRANSFORMATION
```
TRANSFORMATION : is the transformation that we want to specify. In our case we start with an x and y scale of 0 and end with an x and y scale of 1
android:fillAfter : property specifies whether the view should be visible or hidden at the end of the animation. We’ve set it visible in the above code. If it sets to false, the element changes to its previous state after the animation
android:startOffset : It is the waiting time before an animation starts. This property is mainly used to perform multiple animations in a sequential manner
android:repeatMode : This is useful when you want the animation to be repeat
android:repeatCount : This defines number of repetitions on animation. If we set this value to infinite then animation will repeat infinite times

Loading Animation when UI widget is clicked

Our aim is to show an animation when any widget(lets say TextView) is clicked. For that we need to use the Animation Class. The xml file that contains the animation logic is loaded using AnimationUtils class by calling the loadAnimation() function. The below snippet shows this implementation.

Animation animation;
animation = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.sample_animation);

To start the animation we need to call the startAnimation() function on the UI element as shown in the snippet below:

sampleTextView.startAnimation(animation);

Here we perform the animation on a textview component by passing the type of Animation as the parameter.

Setting the Animation Listeners

This is only needed if we wish to listen to events like start, end or repeat. For this the activity must implement AnimationListener and the following methods need to overridden.

onAnimationStart : This will be triggered once the animation started
onAnimationEnd : This will be triggered once the animation is over
onAnimationRepeat : This will be triggered if the animation repeats

Android Animation Project Structure

As you can see, we’ve included the xml of all the major types of animations covered above.

Android Animation Examples XML Code

Here I am providing sample code for most of the common android animations.

Fade In Animation

fade_in.xml

<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>

Here alpha references the opacity of an object. An object with lower alpha values is more transparent, while an object with higher alpha values is less transparent, more opaque. Fade in animation is nothing but increasing alpha value from 0 to 1.

Fade Out Animation

fade_out.xml

<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>

Fade out android animation is exactly opposite to fade in, where we need to decrease the alpha value from 1 to 0.

Cross Fading Animation

Cross fading is performing fade in animation on one TextView while other TextView is fading out. This can be done by using fade_in.xml and fade_out.xml on the two TextViews. The code will be discussed in the MainActivity.java

Blink Animation

blink.xml

<set xmlns:android="http://schemas.android.com/apk/res/android">
    <alpha android:fromAlpha="0.0"
        android:toAlpha="1.0"
        android:interpolator="@android:anim/accelerate_interpolator"
        android:duration="600"
        android:repeatMode="reverse"
        android:repeatCount="infinite"/>
</set>

Here fade in and fade out are performed infinitely in reverse mode each time.

Zoom In Animation

zoom_in.xml

<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:fillAfter="true" >

    <scale
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:duration="1000"
        android:fromXScale="1"
        android:fromYScale="1"
        android:pivotX="50%"
        android:pivotY="50%"
        android:toXScale="3"
        android:toYScale="3" >
    </scale>

</set>

We use pivotX="50%" and pivotY="50%" to perform zoom from the center of the element.

Zoom Out Animation

zoom_out.xml

<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:fillAfter="true" >

    <scale
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:duration="1000"
        android:fromXScale="1.0"
        android:fromYScale="1.0"
        android:pivotX="50%"
        android:pivotY="50%"
        android:toXScale="0.5"
        android:toYScale="0.5" >
    </scale>

</set>

Notice that android:from and android:to are opposite in zoom_in.xml and zoom_out.xml.

Rotate Animation

rotate.xml

<set xmlns:android="http://schemas.android.com/apk/res/android">
    <rotate android:fromDegrees="0"
        android:toDegrees="360"
        android:pivotX="50%"
        android:pivotY="50%"
        android:duration="600"
        android:repeatMode="restart"
        android:repeatCount="infinite"
        android:interpolator="@android:anim/cycle_interpolator"/>

</set>

A from/toDegrees tag is used here to specify the degrees and a cyclic interpolator is used.

Move Animation

move.xml

<set
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:interpolator="@android:anim/linear_interpolator"
    android:fillAfter="true">

   <translate
        android:fromXDelta="0%p"
        android:toXDelta="75%p"
        android:duration="800" />
</set>

Slide Up Animation

slide_up.xml

<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>

It’s achieved by setting android:fromYScale=”1.0″ and android:toYScale=”0.0″ inside the scale tag.

Slide Down Animation

slide_down.xml

<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:toXScale="1.0"
        android:toYScale="1.0" />

</set>

This is just the opposite of slide_up.xml.

Bounce Animation

bounce.xml

<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:fillAfter="true"
    android:interpolator="@android:anim/bounce_interpolator">

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

</set>

Here bounce interpolator is used to complete the animation in bouncing fashion.

Sequential Animation

sequential.xml

<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:fillAfter="true"
    android:interpolator="@android:anim/linear_interpolator" >

  
    <!-- Move -->
    <translate
        android:duration="800"
        android:fillAfter="true"
        android:fromXDelta="0%p"
        android:startOffset="300"
        android:toXDelta="75%p" />
    <translate
        android:duration="800"
        android:fillAfter="true"
        android:fromYDelta="0%p"
        android:startOffset="1100"
        android:toYDelta="70%p" />
    <translate
        android:duration="800"
        android:fillAfter="true"
        android:fromXDelta="0%p"
        android:startOffset="1900"
        android:toXDelta="-75%p" />
    <translate
        android:duration="800"
        android:fillAfter="true"
        android:fromYDelta="0%p"
        android:startOffset="2700"
        android:toYDelta="-70%p" />

    <!-- Rotate 360 degrees -->
    <rotate
        android:duration="1000"
        android:fromDegrees="0"
        android:interpolator="@android:anim/cycle_interpolator"
        android:pivotX="50%"
        android:pivotY="50%"
        android:startOffset="3800"
        android:repeatCount="infinite"
        android:repeatMode="restart"
        android:toDegrees="360" />

</set>

Here a different android:startOffset is used from the transitions to keep them sequential.

Together Animation

together.xml

<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:fillAfter="true"
    android:interpolator="@android:anim/linear_interpolator" >

    
    <!-- Move -->
    <scale
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:duration="4000"
        android:fromXScale="1"
        android:fromYScale="1"
        android:pivotX="50%"
        android:pivotY="50%"
        android:toXScale="4"
        android:toYScale="4" >
    </scale>

    <!-- Rotate 180 degrees -->
    <rotate
        android:duration="500"
        android:fromDegrees="0"
        android:pivotX="50%"
        android:pivotY="50%"
        android:repeatCount="infinite"
        android:repeatMode="restart"
        android:toDegrees="360" />

</set>

Here android:startOffset is removed to let them happen simultaneously.

Code

The activity_main.xml layout consists of a ScrollView and RelativeLayout (we’ll discuss this in a later tutorial) in which every animation type is invoked on the text using their respective buttons. The xml file is shown below :

activity_main.xml

<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <Button
                android:id="@+id/btnFadeIn"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="5dp"
                android:text="Fade In" />

        <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textAppearance="?android:attr/textAppearanceMedium"
                android:text="Fade In"
                android:id="@+id/txt_fade_in"
            android:layout_alignBottom="@+id/btnFadeIn"
            android:layout_alignLeft="@+id/txt_fade_out"
            android:layout_alignStart="@+id/txt_fade_out" />


        <Button
                android:id="@+id/btnFadeOut"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="5dp"
                android:layout_below="@id/btnFadeIn"
                android:text="Fade Out" />


        <Button
                android:id="@+id/btnCrossFade"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="5dp"
                android:layout_below="@id/btnFadeOut"
                android:text="Cross Fade" />

        <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textAppearance="?android:attr/textAppearanceMedium"
                android:text="Cross Fade In"
                android:id="@+id/txt_out"
                android:visibility="gone"
                android:layout_gravity="center_horizontal"
                android:layout_alignTop="@+id/txt_in"
                android:layout_alignLeft="@+id/txt_in"
                android:layout_alignStart="@+id/txt_in" />

        <Button
                android:id="@+id/btnBlink"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="5dp"
                android:layout_below="@id/btnCrossFade"
                android:text="Blink" />

        <Button
                android:id="@+id/btnZoomIn"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="5dp"
                android:layout_below="@id/btnBlink"
                android:text="Zoom In" />

        <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textAppearance="?android:attr/textAppearanceMedium"
                android:text="Blink"
                android:id="@+id/txt_blink"
                android:layout_gravity="center_horizontal"
            android:layout_alignBottom="@+id/btnBlink"
            android:layout_alignLeft="@+id/txt_zoom_in"
            android:layout_alignStart="@+id/txt_zoom_in" />

        <Button
                android:id="@+id/btnZoomOut"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="5dp"
                android:layout_below="@id/btnZoomIn"
                android:text="Zoom Out" />

        <Button
                android:id="@+id/btnRotate"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="5dp"
                android:layout_below="@id/btnZoomOut"
                android:text="Rotate" />

        <Button
                android:id="@+id/btnMove"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="5dp"
                android:layout_below="@id/btnRotate"
                android:text="Move" />

        <Button
                android:id="@+id/btnSlideUp"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="5dp"
                android:layout_below="@id/btnMove"
                android:text="Slide Up" />

        <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textAppearance="?android:attr/textAppearanceMedium"
                android:text="Fade Out"
                android:id="@+id/txt_fade_out"
                android:layout_gravity="center_horizontal"
            android:layout_alignBottom="@+id/btnFadeOut"
            android:layout_alignLeft="@+id/txt_in"
            android:layout_alignStart="@+id/txt_in" />

        <Button
                android:id="@+id/btnSlideDown"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="5dp"
                android:layout_below="@id/btnSlideUp"
                android:text="Slide Down" />

        <Button
                android:id="@+id/btnBounce"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="5dp"
                android:layout_below="@id/btnSlideDown"
                android:text="Bounce" />

        <Button
                android:id="@+id/btnSequential"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="5dp"
                android:layout_below="@id/btnBounce"
                android:text="Sequential Animation" />

        <Button
                android:id="@+id/btnTogether"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_below="@id/btnSequential"
                android:layout_margin="5dp"
                android:text="Together Animation" />

        <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textAppearance="?android:attr/textAppearanceMedium"
                android:text="Cross Fade Out"
                android:id="@+id/txt_in"
                android:layout_gravity="center_horizontal"
            android:layout_alignBottom="@+id/btnCrossFade"
            android:layout_alignLeft="@+id/txt_blink"
            android:layout_alignStart="@+id/txt_blink" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="Zoom In"
            android:id="@+id/txt_zoom_in"
            android:layout_alignBottom="@+id/btnZoomIn"
            android:layout_alignLeft="@+id/txt_zoom_out"
            android:layout_alignStart="@+id/txt_zoom_out" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="Zoom Out"
            android:id="@+id/txt_zoom_out"
            android:layout_alignBottom="@+id/btnZoomOut"
            android:layout_toRightOf="@+id/btnSequential"
            android:layout_toEndOf="@+id/btnSequential" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="Rotate"
            android:id="@+id/txt_rotate"
            android:layout_above="@+id/btnMove"
            android:layout_toRightOf="@+id/btnSequential"
            android:layout_toEndOf="@+id/btnSequential" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="Move"
            android:id="@+id/txt_move"
            android:layout_alignBottom="@+id/btnMove"
            android:layout_alignLeft="@+id/txt_slide_up"
            android:layout_alignStart="@+id/txt_slide_up" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="Slide Up"
            android:id="@+id/txt_slide_up"
            android:layout_alignBottom="@+id/btnSlideUp"
            android:layout_toRightOf="@+id/btnSequential"
            android:layout_toEndOf="@+id/btnSequential" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="Slide Down"
            android:id="@+id/txt_slide_down"
            android:layout_alignBottom="@+id/btnSlideDown"
            android:layout_alignLeft="@+id/txt_slide_up"
            android:layout_alignStart="@+id/txt_slide_up" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="Bounce"
            android:id="@+id/txt_bounce"
            android:layout_alignBottom="@+id/btnBounce"
            android:layout_alignLeft="@+id/txt_slide_down"
            android:layout_alignStart="@+id/txt_slide_down" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="Sequential"
            android:id="@+id/txt_seq"
            android:layout_alignBottom="@+id/btnSequential"
            android:layout_alignLeft="@+id/txt_bounce"
            android:layout_alignStart="@+id/txt_bounce" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="Together"
            android:id="@+id/txt_tog"
            android:layout_alignBottom="@+id/btnTogether"
            android:layout_toRightOf="@+id/btnSequential"
            android:layout_toEndOf="@+id/btnSequential" />

    </RelativeLayout>

</ScrollView>

To sum up, a RelativeLayout, as the name suggests the arrangement of UI Components is relative to each other.

The MainActivity.java file contains the onClick Listeners for every button related to its animation type. It’s source code is given below.

package com.journaldev.animations;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends Activity {

    Button btnFadeIn, btnFadeOut, btnCrossFade, btnBlink, btnZoomIn,
            btnZoomOut, btnRotate, btnMove, btnSlideUp, btnSlideDown,
            btnBounce, btnSequential, btnTogether;
    Animation animFadeIn,animFadeOut,animBlink,animZoomIn,animZoomOut,animRotate
            ,animMove,animSlideUp,animSlideDown,animBounce,animSequential,animTogether,animCrossFadeIn,animCrossFadeOut;
    TextView txtFadeIn,txtFadeOut,txtBlink,txtZoomIn,txtZoomOut,txtRotate,txtMove,txtSlideUp,
                txtSlideDown,txtBounce,txtSeq,txtTog,txtIn,txtOut;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        btnFadeIn = (Button) findViewById(R.id.btnFadeIn);
        btnFadeOut = (Button) findViewById(R.id.btnFadeOut);
        btnCrossFade = (Button) findViewById(R.id.btnCrossFade);
        btnBlink = (Button) findViewById(R.id.btnBlink);
        btnZoomIn = (Button) findViewById(R.id.btnZoomIn);
        btnZoomOut = (Button) findViewById(R.id.btnZoomOut);
        btnRotate = (Button) findViewById(R.id.btnRotate);
        btnMove = (Button) findViewById(R.id.btnMove);
        btnSlideUp = (Button) findViewById(R.id.btnSlideUp);
        btnSlideDown = (Button) findViewById(R.id.btnSlideDown);
        btnBounce = (Button) findViewById(R.id.btnBounce);
        btnSequential = (Button) findViewById(R.id.btnSequential);
        btnTogether = (Button) findViewById(R.id.btnTogether);
        txtFadeIn=(TextView)findViewById(R.id.txt_fade_in);
        txtFadeOut=(TextView)findViewById(R.id.txt_fade_out);
        txtBlink=(TextView)findViewById(R.id.txt_blink);
        txtZoomIn=(TextView)findViewById(R.id.txt_zoom_in);
        txtZoomOut=(TextView)findViewById(R.id.txt_zoom_out);
        txtRotate=(TextView)findViewById(R.id.txt_rotate);
        txtMove=(TextView)findViewById(R.id.txt_move);
        txtSlideUp=(TextView)findViewById(R.id.txt_slide_up);
        txtSlideDown=(TextView)findViewById(R.id.txt_slide_down);
        txtBounce=(TextView)findViewById(R.id.txt_bounce);
        txtSeq=(TextView)findViewById(R.id.txt_seq);
        txtTog=(TextView)findViewById(R.id.txt_tog);
        txtIn=(TextView)findViewById(R.id.txt_in);
        txtOut=(TextView)findViewById(R.id.txt_out);
        animFadeIn = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.fade_in);
		
        animFadeIn = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.fade_in);
        // fade in
        btnFadeIn.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                txtFadeIn.setVisibility(View.VISIBLE);
                txtFadeIn.startAnimation(animFadeIn);
            }
        });

        animFadeOut = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.fade_out);

        // fade out
        btnFadeOut.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                txtFadeOut.setVisibility(View.VISIBLE);
                txtFadeOut.startAnimation(animFadeOut);
            }
        });
        animCrossFadeIn = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.fade_in);
        animCrossFadeOut = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.fade_out);
        // cross fade
        btnCrossFade.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                txtOut.setVisibility(View.VISIBLE);
                // start fade in animation
                txtOut.startAnimation(animCrossFadeIn);

                // start fade out animation
                txtIn.startAnimation(animCrossFadeOut);
            }
        });
        animBlink = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.blink);
        // blink
        btnBlink.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                txtBlink.setVisibility(View.VISIBLE);
                txtBlink.startAnimation(animBlink);
            }
        });

        animZoomIn = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.zoom_in);
        // Zoom In
        btnZoomIn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                txtZoomIn.setVisibility(View.VISIBLE);
                txtZoomIn.startAnimation(animZoomIn);
            }
        });
        animZoomOut = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.zoom_out);
        // Zoom Out
        btnZoomOut.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                txtZoomOut.setVisibility(View.VISIBLE);
                txtZoomOut.startAnimation(animZoomOut);
            }
        });
        animRotate = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.rotate);

        // Rotate
        btnRotate.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                txtRotate.startAnimation(animRotate);
            }
        });
        animMove = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.move);
        // Move
        btnMove.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                txtMove.startAnimation(animMove);
            }
        });
        animSlideUp = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.slide_up);
        // Slide Up
        btnSlideUp.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                txtSlideUp.startAnimation(animSlideUp);
            }
        });
        animSlideDown = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.slide_down);
        // Slide Down
        btnSlideDown.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                txtSlideDown.startAnimation(animSlideDown);
            }
        });
        animBounce = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.bounce);
        // Slide Down
        btnBounce.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                txtBounce.startAnimation(animBounce);
            }
        });
        animSequential = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.sequential);
        // Sequential
        btnSequential.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                        txtSeq.startAnimation(animSequential);
            }
        });
        animTogether = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.together);

        // Together
        btnTogether.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                txtTog.startAnimation(animTogether);
            }
        });

    }
}

As discussed before each textView animation is started by invoking the respective animation object in which the animation logic is loaded by AnimationUtils.loadAnimation() method. The crossFade animation consists of two TextViews in which one fades out and the other fades in.

Below is a short video showing all the animations in our application.

The together animation is seen in the image above. Note that these animation when run on an emulator wont be smooth, so it’s recommended to run the application on a normal device.

This brings an end to android animation example tutorial. You can download the Android Animation Example Project from the link below.

Animations.zip

이 게시물을

번호	제목	글쓴이	날짜	조회 수
28	Android Studio for beginners, Part 3: Build and run the app	황제낙엽	2018.02.02	81
27	Android Studio for beginners, Part 2: Explore and code the app(2)	황제낙엽	2018.02.02	17
26	Android Studio for beginners, Part 2: Explore and code the app(1)	황제낙엽	2018.02.02	36
25	Android Studio for beginners, Part 1: Installation and setup	황제낙엽	2018.02.02	23
24	SDK와 NDK, 그리고 PDK	황제낙엽	2018.01.30	69
23	Error:Execution failed for task ':app:lintVitalRelease'.	황제낙엽	2018.01.29	783
22	Error:The number of method references in a .dex file cannot exceed 64K.	황제낙엽	2018.01.29	70
21	30일 기한 Google Play 개발자 약관 위반 알림	황제낙엽	2018.01.21	125
»	애니메이션 샘플 예제들	황제낙엽	2018.01.08	186
19	ConstraintLayout으로 숫자패드 레이아웃을	황제낙엽	2017.11.09	144
18	RecyclerView란? (RecyclerView와 ListView 차이)	황제낙엽	2017.09.11	153
17	Android - Actionbar에 tab을 추가하고 스와이프 동작으로 화면 전환 구현( ViewPager와 FragmentPagerAdapter 사용)	황제낙엽	2017.09.11	308
16	HTTP 프로토콜을 이용한 Json Post 보내고 받기	황제낙엽	2017.08.03	816
15	HttpURLConnection 에서 세션 유지하기(쿠키 사용)	황제낙엽	2017.08.03	661
14	Android HttpURLConnection클래스로 POST 요청하기	황제낙엽	2017.08.01	65
13	Android’s HTTP Clients & Apache HTTP Client 어느것이 성능이 더 좋을까?	황제낙엽	2017.07.31	157
12	프로젝트의 AndroidManifest.xml 파일의 내용	황제낙엽	2017.07.25	52
11	구글의 안드로이드 개발자들이 만든 애플리케이션 모음 (Apps for Android )	황제낙엽	2017.07.25	56
10	크롬에서 디바이스(스마트폰) 연결 정보 확인	황제낙엽	2017.03.28	215
9	JNI 사용시 Android.mk와 Application.mk에 대해서	황제낙엽	2017.03.28	28

쓰기 태그

첫 페이지 1 2 3 4 5 6 7 끝 페이지