Demo for using and testing animation events
Change-Id: I7db791928dc590fd724f4c71565b42bc366e519c
This commit is contained in:
Chet Haase
@@ -0,0 +1,234 @@
|
||||
/*
|
||||
* Copyright (C) 2010 The Android Open Source Project
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
package com.example.android.apis.animation;
|
||||
|
||||
// Need the following import to get access to the app resources, since this
|
||||
// class is in a sub-package.
|
||||
import android.widget.CheckBox;
|
||||
import android.widget.TextView;
|
||||
import com.example.android.apis.R;
|
||||
|
||||
import java.util.ArrayList;
|
||||
|
||||
import android.animation.Animatable;
|
||||
import android.animation.Animator;
|
||||
import android.animation.PropertyAnimator;
|
||||
import android.animation.Sequencer;
|
||||
import android.app.Activity;
|
||||
import android.content.Context;
|
||||
import android.graphics.Canvas;
|
||||
import android.graphics.Paint;
|
||||
import android.graphics.RadialGradient;
|
||||
import android.graphics.Shader;
|
||||
import android.graphics.drawable.ShapeDrawable;
|
||||
import android.graphics.drawable.shapes.OvalShape;
|
||||
import android.os.Bundle;
|
||||
import android.view.View;
|
||||
import android.view.animation.AccelerateInterpolator;
|
||||
import android.widget.Button;
|
||||
import android.widget.LinearLayout;
|
||||
|
||||
/**
|
||||
* This demo shows how the AnimatableListener events work.
|
||||
*/
|
||||
public class AnimatorEvents extends Activity {
|
||||
|
||||
TextView startText, repeatText, cancelText, endText;
|
||||
TextView startTextAnimator, repeatTextAnimator, cancelTextAnimator, endTextAnimator;
|
||||
|
||||
@Override
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
super.onCreate(savedInstanceState);
|
||||
setContentView(R.layout.animator_events);
|
||||
LinearLayout container = (LinearLayout) findViewById(R.id.container);
|
||||
final MyAnimationView animView = new MyAnimationView(this);
|
||||
container.addView(animView);
|
||||
startText = (TextView) findViewById(R.id.startText);
|
||||
startText.setAlpha(.5f);
|
||||
repeatText = (TextView) findViewById(R.id.repeatText);
|
||||
repeatText.setAlpha(.5f);
|
||||
cancelText = (TextView) findViewById(R.id.cancelText);
|
||||
cancelText.setAlpha(.5f);
|
||||
endText = (TextView) findViewById(R.id.endText);
|
||||
endText.setAlpha(.5f);
|
||||
startTextAnimator = (TextView) findViewById(R.id.startTextAnimator);
|
||||
startTextAnimator.setAlpha(.5f);
|
||||
repeatTextAnimator = (TextView) findViewById(R.id.repeatTextAnimator);
|
||||
repeatTextAnimator.setAlpha(.5f);
|
||||
cancelTextAnimator = (TextView) findViewById(R.id.cancelTextAnimator);
|
||||
cancelTextAnimator.setAlpha(.5f);
|
||||
endTextAnimator = (TextView) findViewById(R.id.endTextAnimator);
|
||||
endTextAnimator.setAlpha(.5f);
|
||||
final CheckBox endCB = (CheckBox) findViewById(R.id.endCB);
|
||||
|
||||
|
||||
Button starter = (Button) findViewById(R.id.startButton);
|
||||
starter.setOnClickListener(new View.OnClickListener() {
|
||||
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
animView.startAnimation(endCB.isChecked());
|
||||
}
|
||||
});
|
||||
|
||||
Button canceler = (Button) findViewById(R.id.cancelButton);
|
||||
canceler.setOnClickListener(new View.OnClickListener() {
|
||||
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
animView.cancelAnimation();
|
||||
}
|
||||
});
|
||||
|
||||
Button ender = (Button) findViewById(R.id.endButton);
|
||||
ender.setOnClickListener(new View.OnClickListener() {
|
||||
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
animView.endAnimation();
|
||||
}
|
||||
});
|
||||
|
||||
}
|
||||
|
||||
public class MyAnimationView extends View implements Animatable.AnimatableListener,
|
||||
Animator.AnimatorUpdateListener {
|
||||
|
||||
public final ArrayList<ShapeHolder> balls = new ArrayList<ShapeHolder>();
|
||||
Animatable animation;
|
||||
ShapeHolder ball = null;
|
||||
boolean endImmediately = false;
|
||||
|
||||
public MyAnimationView(Context context) {
|
||||
super(context);
|
||||
ball = createBall(25, 25);
|
||||
}
|
||||
|
||||
private void createAnimation() {
|
||||
if (animation == null) {
|
||||
PropertyAnimator yAnim = new PropertyAnimator(1500, ball, "y",
|
||||
ball.getY(), getHeight() - 50f);
|
||||
yAnim.setRepeatCount(1);
|
||||
yAnim.setRepeatMode(Animator.REVERSE);
|
||||
yAnim.setInterpolator(new AccelerateInterpolator(2f));
|
||||
yAnim.addUpdateListener(this);
|
||||
yAnim.addListener(this);
|
||||
|
||||
PropertyAnimator xAnim = new PropertyAnimator(1500, ball, "x",
|
||||
ball.getX(), ball.getX() + 300);
|
||||
xAnim.setRepeatCount(1);
|
||||
xAnim.setRepeatMode(Animator.REVERSE);
|
||||
xAnim.setInterpolator(new AccelerateInterpolator(2f));
|
||||
|
||||
animation = new Sequencer();
|
||||
((Sequencer) animation).playTogether(yAnim, xAnim);
|
||||
animation.addListener(this);
|
||||
}
|
||||
}
|
||||
|
||||
public void startAnimation(boolean endImmediately) {
|
||||
this.endImmediately = endImmediately;
|
||||
startText.setAlpha(.5f);
|
||||
repeatText.setAlpha(.5f);
|
||||
cancelText.setAlpha(.5f);
|
||||
endText.setAlpha(.5f);
|
||||
startTextAnimator.setAlpha(.5f);
|
||||
repeatTextAnimator.setAlpha(.5f);
|
||||
cancelTextAnimator.setAlpha(.5f);
|
||||
endTextAnimator.setAlpha(.5f);
|
||||
createAnimation();
|
||||
animation.start();
|
||||
}
|
||||
|
||||
public void cancelAnimation() {
|
||||
createAnimation();
|
||||
animation.cancel();
|
||||
}
|
||||
|
||||
public void endAnimation() {
|
||||
createAnimation();
|
||||
animation.end();
|
||||
}
|
||||
|
||||
private ShapeHolder createBall(float x, float y) {
|
||||
OvalShape circle = new OvalShape();
|
||||
circle.resize(50f, 50f);
|
||||
ShapeDrawable drawable = new ShapeDrawable(circle);
|
||||
ShapeHolder shapeHolder = new ShapeHolder(drawable);
|
||||
shapeHolder.setX(x - 25f);
|
||||
shapeHolder.setY(y - 25f);
|
||||
int red = (int)(Math.random() * 255);
|
||||
int green = (int)(Math.random() * 255);
|
||||
int blue = (int)(Math.random() * 255);
|
||||
int color = 0xff000000 | red << 16 | green << 8 | blue;
|
||||
Paint paint = drawable.getPaint(); //new Paint(Paint.ANTI_ALIAS_FLAG);
|
||||
int darkColor = 0xff000000 | red/4 << 16 | green/4 << 8 | blue/4;
|
||||
RadialGradient gradient = new RadialGradient(37.5f, 12.5f,
|
||||
50f, color, darkColor, Shader.TileMode.CLAMP);
|
||||
paint.setShader(gradient);
|
||||
shapeHolder.setPaint(paint);
|
||||
return shapeHolder;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onDraw(Canvas canvas) {
|
||||
canvas.save();
|
||||
canvas.translate(ball.getX(), ball.getY());
|
||||
ball.getShape().draw(canvas);
|
||||
canvas.restore();
|
||||
}
|
||||
|
||||
public void onAnimationUpdate(Animator animation) {
|
||||
invalidate();
|
||||
}
|
||||
|
||||
public void onAnimationStart(Animatable animation) {
|
||||
if (animation instanceof Sequencer) {
|
||||
startText.setAlpha(1f);
|
||||
} else {
|
||||
startTextAnimator.setAlpha(1f);
|
||||
}
|
||||
if (endImmediately) {
|
||||
animation.end();
|
||||
}
|
||||
}
|
||||
|
||||
public void onAnimationEnd(Animatable animation) {
|
||||
if (animation instanceof Sequencer) {
|
||||
endText.setAlpha(1f);
|
||||
} else {
|
||||
endTextAnimator.setAlpha(1f);
|
||||
}
|
||||
}
|
||||
|
||||
public void onAnimationCancel(Animatable animation) {
|
||||
if (animation instanceof Sequencer) {
|
||||
cancelText.setAlpha(1f);
|
||||
} else {
|
||||
cancelTextAnimator.setAlpha(1f);
|
||||
}
|
||||
}
|
||||
|
||||
public void onAnimationRepeat(Animatable animation) {
|
||||
if (animation instanceof Sequencer) {
|
||||
repeatText.setAlpha(1f);
|
||||
} else {
|
||||
repeatTextAnimator.setAlpha(1f);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user