<!-- ANDROID.ANIMATION PACKAGE SAMPLES -->
<!-- ************************************* -->
+ <activity android:name=".animation.AnimationLoading" android:label="Animation/Loading">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="android.intent.category.SAMPLE_CODE" />
+ </intent-filter>
+ </activity>
+
<activity android:name=".animation.AnimationSeeking" android:label="Animation/Seeking">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
</intent-filter>
</activity>
+ <activity android:name=".animation.CustomEvaluator"
+ android:label="Animation/Custom Evaluator">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="android.intent.category.SAMPLE_CODE" />
+ </intent-filter>
+ </activity>
+
<activity android:name=".animation.ListFlipper" android:label="Animation/View Flip">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
--- /dev/null
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+
+<animator xmlns:android="http://schemas.android.com/apk/res/android"
+ android:duration="1000"
+ android:valueFrom="1"
+ android:valueTo="0"
+ android:valueType="floatType"
+ android:repeatCount="1"
+ android:repeatMode="reverse"/>
--- /dev/null
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+
+<property xmlns:android="http://schemas.android.com/apk/res/android"
+ android:duration="1000"
+ android:valueFrom="0"
+ android:valueTo="200"
+ android:valueType="floatType"
+ android:propertyName="y"
+ android:repeatCount="1"
+ android:repeatMode="reverse"/>
--- /dev/null
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+
+<sequencer>
+ <property xmlns:android="http://schemas.android.com/apk/res/android"
+ android:duration="1000"
+ android:valueTo="200"
+ android:valueType="floatType"
+ android:propertyName="x"
+ android:repeatCount="1"
+ android:repeatMode="reverse"/>
+ <property xmlns:android="http://schemas.android.com/apk/res/android"
+ android:duration="1000"
+ android:valueFrom="0"
+ android:valueTo="400"
+ android:valueType="floatType"
+ android:propertyName="y"
+ android:repeatCount="1"
+ android:repeatMode="reverse"/>
+</sequencer>
--- /dev/null
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:orientation="vertical"
+ android:layout_width="fill_parent"
+ android:layout_height="fill_parent"
+ android:id="@+id/container"
+ >
+ <Button
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:text="Play"
+ android:id="@+id/startButton"
+ />
+</LinearLayout>
--- /dev/null
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:orientation="vertical"
+ android:layout_width="fill_parent"
+ android:layout_height="fill_parent"
+ android:id="@+id/container"
+ >
+ <Button
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:text="Run"
+ android:id="@+id/startButton"
+ />
+</LinearLayout>
--- /dev/null
+/*
+ * 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.animation.AnimatableInflater;
+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.widget.Button;
+import android.widget.LinearLayout;
+
+/**
+ * This application demonstrates loading Animatable objects from XML resources.
+ */
+public class AnimationLoading extends Activity {
+
+ private static final int DURATION = 1500;
+
+ /** Called when the activity is first created. */
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.animation_loading);
+ LinearLayout container = (LinearLayout) findViewById(R.id.container);
+ final MyAnimationView animView = new MyAnimationView(this);
+ container.addView(animView);
+
+ Button starter = (Button) findViewById(R.id.startButton);
+ starter.setOnClickListener(new View.OnClickListener() {
+
+ @Override
+ public void onClick(View v) {
+ animView.startAnimation();
+ }
+ });
+
+ }
+
+ public class MyAnimationView extends View implements Animator.AnimatorUpdateListener {
+
+ private static final float BALL_SIZE = 100f;
+
+ public final ArrayList<ShapeHolder> balls = new ArrayList<ShapeHolder>();
+ Animatable animation = null;
+
+ public MyAnimationView(Context context) {
+ super(context);
+ addBall(100, 0);
+ addBall(250, 0);
+ addBall(400, 0);
+ }
+
+ private void createAnimation() {
+ if (animation == null) {
+ PropertyAnimator anim =
+ (PropertyAnimator) AnimatableInflater.
+ loadAnimatable(getApplicationContext(), R.anim.property_animator);
+ anim.addUpdateListener(this);
+ anim.setTarget(balls.get(0));
+
+ Animator fader =
+ (Animator) AnimatableInflater.loadAnimatable(getApplicationContext(),
+ R.anim.animator);
+ fader.addUpdateListener(new Animator.AnimatorUpdateListener() {
+ public void onAnimationUpdate(Animator animation) {
+ balls.get(1).setAlpha((Float) animation.getAnimatedValue());
+ }
+ });
+
+ Sequencer seq =
+ (Sequencer) AnimatableInflater.loadAnimatable(getApplicationContext(),
+ R.anim.sequencer);
+ seq.setTarget(balls.get(2));
+
+ animation = new Sequencer();
+ ((Sequencer) animation).playTogether(anim, fader, seq);
+ }
+ }
+
+ public void startAnimation() {
+ createAnimation();
+ animation.start();
+ }
+
+ private ShapeHolder addBall(float x, float y) {
+ OvalShape circle = new OvalShape();
+ circle.resize(BALL_SIZE, BALL_SIZE);
+ ShapeDrawable drawable = new ShapeDrawable(circle);
+ ShapeHolder shapeHolder = new ShapeHolder(drawable);
+ shapeHolder.setX(x);
+ shapeHolder.setY(y);
+ int red = (int)(100 + Math.random() * 155);
+ int green = (int)(100 + Math.random() * 155);
+ int blue = (int)(100 + Math.random() * 155);
+ int color = 0xff000000 | red << 16 | green << 8 | blue;
+ Paint paint = drawable.getPaint();
+ 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);
+ balls.add(shapeHolder);
+ return shapeHolder;
+ }
+
+ @Override
+ protected void onDraw(Canvas canvas) {
+ for (ShapeHolder ball : balls) {
+ canvas.translate(ball.getX(), ball.getY());
+ ball.getShape().draw(canvas);
+ canvas.translate(-ball.getX(), -ball.getY());
+ }
+ }
+
+ public void onAnimationUpdate(Animator animation) {
+
+ invalidate();
+ ShapeHolder ball = balls.get(0);
+ ball.setY((Float)animation.getAnimatedValue());
+ }
+ }
+}
\ No newline at end of file
--- /dev/null
+/*
+ * 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.animation.TypeEvaluator;
+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.animation.Animatable.AnimatableListener;
+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;
+
+public class CustomEvaluator extends Activity {
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.animation_reversing);
+ LinearLayout container = (LinearLayout) findViewById(R.id.container);
+ final MyAnimationView animView = new MyAnimationView(this);
+ container.addView(animView);
+
+ Button starter = (Button) findViewById(R.id.startButton);
+ starter.setOnClickListener(new View.OnClickListener() {
+
+ @Override
+ public void onClick(View v) {
+ animView.startAnimation();
+ }
+ });
+
+ }
+
+ public class XYHolder {
+ private float mX;
+ private float mY;
+
+ public XYHolder(float x, float y) {
+ mX = x;
+ mY = y;
+ }
+
+ public float getX() {
+ return mX;
+ }
+
+ public void setX(float x) {
+ mX = x;
+ }
+
+ public float getY() {
+ return mY;
+ }
+
+ public void setY(float y) {
+ mY = y;
+ }
+ }
+
+ public class XYEvaluator implements TypeEvaluator {
+ @Override
+ public Object evaluate(float fraction, Object startValue, Object endValue) {
+ XYHolder startXY = (XYHolder) startValue;
+ XYHolder endXY = (XYHolder) endValue;
+ return new XYHolder(startXY.getX() + fraction * (endXY.getX() - startXY.getX()),
+ startXY.getY() + fraction * (endXY.getY() - startXY.getY()));
+ }
+ }
+
+ public class BallXYHolder {
+
+ private ShapeHolder mBall;
+
+ public BallXYHolder(ShapeHolder ball) {
+ mBall = ball;
+ }
+
+ public void setXY(XYHolder xyHolder) {
+ mBall.setX(xyHolder.getX());
+ mBall.setY(xyHolder.getY());
+ }
+
+ public XYHolder getXY() {
+ return new XYHolder(mBall.getX(), mBall.getY());
+ }
+ }
+
+ public class MyAnimationView extends View implements Animator.AnimatorUpdateListener {
+
+ public final ArrayList<ShapeHolder> balls = new ArrayList<ShapeHolder>();
+ Animator bounceAnim = null;
+ ShapeHolder ball = null;
+ BallXYHolder ballHolder = null;
+
+ public MyAnimationView(Context context) {
+ super(context);
+ ball = createBall(25, 25);
+ ballHolder = new BallXYHolder(ball);
+ }
+
+ private void createAnimation() {
+ if (bounceAnim == null) {
+ XYHolder startXY = new XYHolder(0f, 0f);
+ XYHolder endXY = new XYHolder(300f, 500f);
+ bounceAnim = new PropertyAnimator(1500, ballHolder, "xY",
+ endXY);
+ bounceAnim.setEvaluator(new XYEvaluator());
+ bounceAnim.addUpdateListener(this);
+ }
+ }
+
+ public void startAnimation() {
+ createAnimation();
+ bounceAnim.start();
+ }
+
+ 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();
+ }
+
+ }
+}
\ No newline at end of file
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