android代码实现ScaleAnimation[通俗易懂]

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package com.yangguangfu.cn;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.animation.Animation;

import android.view.animation.Animation.AnimationListener;

import android.view.animation.ScaleAnimation;

import android.widget.ImageView;

public class ScaleAnimationDemoActivity extends Activity implements

OnClickListener {

    private ImageView top_left;

    private ImageView top_right;

    private ImageView bottom_left;

    private ImageView bottom_right;

    private ImageView center;

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) { // 要使用findViewById,

        super.onCreate(savedInstanceState); // 做为使用者介面

        setContentView(R.layout.second);

        // 取得UI 介面中的View 物件

        // 取得View 物件后，再透过转换成实际的物件

        top_left = (ImageView) findViewById(R.id.top_left);

        top_right = (ImageView) findViewById(R.id.top_right);

        bottom_left = (ImageView) findViewById(R.id.bottom_left);

        bottom_right = (ImageView) findViewById(R.id.bottom_right);

        center = (ImageView) findViewById(R.id.center);

        top_left.setOnClickListener(this);

        top_right.setOnClickListener(this);

        bottom_left.setOnClickListener(this);

        bottom_right.setOnClickListener(this);

        center.setOnClickListener(this);

}

    @Override

    public void onClick(View v) {

        switch (v.getId()) {

        case R.id.top_left:

            topLeftScaleAnimation(v);

            break;

        case R.id.top_right:

            topRightScaleAnimation(v);

            break;

        case R.id.bottom_left:

            bottomLiftScaleAnimation(v);

            break;

        case R.id.bottom_right:

            bottomRightScaleAnimation(v);

            break;

        case R.id.center:

            centerScaleAnimation(v);

            break;

        }

    }

private Animation topLeftanimation;

private boolean istopLeft = false;

private void topLeftScaleAnimation(final View v) {

if (!istopLeft) {

            topLeftanimation = new ScaleAnimation(1.0f, 4.0f, 1.0f, 4.0f,

                    Animation.RELATIVE_TO_SELF, 0.0f,

                    Animation.RELATIVE_TO_SELF, 0.0f);

istopLeft = true;

        } else {

            topLeftanimation = new ScaleAnimation(4.0f, 1.0f, 4.0f, 1.0f,

                    Animation.RELATIVE_TO_SELF, 0.0f,

                    Animation.RELATIVE_TO_SELF, 0.0f);

            istopLeft = false;

}

// 动画开始到结束的执行时间(1000 = 1 秒)

topLeftanimation.setDuration(2000);

        // 动画重复次数(-1 表示一直重复)

        // am.setRepeatCount(1);

        topLeftanimation.setAnimationListener(new AnimationListener() {

            @Override

            public void onAnimationStart(Animation animation) {

                // TODO Auto-generated method stub

}

            @Override

            public void onAnimationRepeat(Animation animation) {

                // TODO Auto-generated method stub

}

            @Override

            public void onAnimationEnd(Animation animation) {

                top_left.setEnabled(true);

            }

        });

        topLeftanimation.setFillAfter(true);

        // 图片配置动画

        top_left.setAnimation(topLeftanimation);

        // Help();

        // handler.sendEmptyMessageDelayed(topHand, 2000);

        // top_left.setLayoutParams(lp);

        // 动画开始

        topLeftanimation.startNow();

top_left.setEnabled(false);

}

private static final int topHand = 6;

private boolean isBottomLift = false;

Animation bottomLiftScaleAnimation = null;

private void bottomLiftScaleAnimation(View v) {

        if (!isBottomLift) {

            bottomLiftScaleAnimation = new ScaleAnimation(1.0f, 4.0f, 1.0f,

                    4.0f, Animation.RELATIVE_TO_SELF, 0f,

                    Animation.RELATIVE_TO_SELF, 1.0f);

            isBottomLift = true;

        } else {

            bottomLiftScaleAnimation = new ScaleAnimation(4.0f, 1.0f, 4.0f,

                    1.0f, Animation.RELATIVE_TO_SELF, 0f,

                    Animation.RELATIVE_TO_SELF, 1.0f);

            isBottomLift = false;

        }

// 动画开始到结束的执行时间(1000 = 1 秒)

bottomLiftScaleAnimation.setDuration(2000);

        // 动画重复次数(-1 表示一直重复)

        // bottomLiftScaleAnimation.setRepeatCount(-1);

        bottomLiftScaleAnimation.setFillAfter(true);

        // 图片配置动画

        bottom_left.setAnimation(bottomLiftScaleAnimation);

        bottomLiftScaleAnimation.setAnimationListener(new AnimationListener() {

            @Override

            public void onAnimationStart(Animation animation) {

                // TODO Auto-generated method stub

}

            @Override

            public void onAnimationRepeat(Animation animation) {

                // TODO Auto-generated method stub

}

            @Override

            public void onAnimationEnd(Animation animation) {

                bottom_left.setEnabled(true);

            }

        });

        // 动画开始

        bottomLiftScaleAnimation.startNow();

        bottom_left.setEnabled(false);

    }

private boolean isBottomRigth = false;

Animation bottomRightScaleAnimation;

    private void bottomRightScaleAnimation(View v) {

        if (!isBottomRigth) {

            bottomRightScaleAnimation = new ScaleAnimation(1.0f, 4.0f, 1.0f,

                    4.0f, Animation.RELATIVE_TO_SELF, 1.0f,

                    Animation.RELATIVE_TO_SELF, 1.0f);

            isBottomRigth = true;

        } else {

            bottomRightScaleAnimation = new ScaleAnimation(4.0f, 1.0f, 4.0f,

                    1.0f, Animation.RELATIVE_TO_SELF, 1.0f,

                    Animation.RELATIVE_TO_SELF, 1.0f);

            isBottomRigth = false;

        }

        // 动画开始到结束的执行时间(1000 = 1 秒)

        bottomRightScaleAnimation.setDuration(2000);

        bottomRightScaleAnimation.setAnimationListener(new AnimationListener() {

            @Override

            public void onAnimationStart(Animation animation) {

                // TODO Auto-generated method stub

}

            @Override

            public void onAnimationRepeat(Animation animation) {

                // TODO Auto-generated method stub

}

            @Override

            public void onAnimationEnd(Animation animation) {

                // TODO Auto-generated method stub

                bottom_right.setEnabled(true);

}

});

        // 动画重复次数(-1 表示一直重复)

        // bottomRightScaleAnimation.setRepeatCount(-1);

        bottomRightScaleAnimation.setFillAfter(true);

        // 图片配置动画

        bottom_right.setAnimation(bottomRightScaleAnimation);

// 动画开始

bottomRightScaleAnimation.startNow();

bottom_right.setEnabled(false);

}

private Animation topRightScaleAnimation;

private boolean isTopRight = false;

    private void topRightScaleAnimation(View v) {

        if (!isTopRight) {

            topRightScaleAnimation = new ScaleAnimation(1.0f, 4.0f, 1.0f, 4.0f,

                    Animation.RELATIVE_TO_SELF, 1.0f,

                    Animation.RELATIVE_TO_SELF, 0.0f);

            isTopRight = true;

        } else {

            topRightScaleAnimation = new ScaleAnimation(4.0f, 1.0f, 4.0f, 1.0f,

                    Animation.RELATIVE_TO_SELF, 1.0f,

                    Animation.RELATIVE_TO_SELF, 0.0f);

            isTopRight = false;

        }

        topRightScaleAnimation.setDuration(2000);
集装箱运费

// 动画重复次数(-1 表示一直重复)

// topRightScaleAnimation.setRepeatCount(-1);

        // 图片配置动画

        top_right.setAnimation(topRightScaleAnimation);

        topRightScaleAnimation.setAnimationListener(new AnimationListener() {

            @Override

            public void onAnimationStart(Animation animation) {

                // TODO Auto-generated method stub

}

            @Override

            public void onAnimationRepeat(Animation animation) {

                // TODO Auto-generated method stub

}

            @Override

            public void onAnimationEnd(Animation animation) {

                top_right.setEnabled(true);

}

});

        // 动画开始

        topRightScaleAnimation.startNow();

        topRightScaleAnimation.setFillAfter(true);

top_right.setEnabled(false);

}

private boolean isCenter = false;

Animation centerScaleAnimation;

    private void centerScaleAnimation(View v) {

        if (!isCenter) {

            centerScaleAnimation = new ScaleAnimation(1.0f, 4.0f, 1.0f, 4.0f,

                    Animation.RELATIVE_TO_SELF, 0.5f,

                    Animation.RELATIVE_TO_SELF, 0.5f);

            isCenter = true;

        } else {

            centerScaleAnimation = new ScaleAnimation(4.0f, 1.0f, 4.0f, 1.0f,

                    Animation.RELATIVE_TO_SELF, 0.5f,

                    Animation.RELATIVE_TO_SELF, 0.5f);

            isCenter = false;

        }

        centerScaleAnimation.setDuration(2000);

        centerScaleAnimation.setFillAfter(true);

        // 动画重复次数(-1 表示一直重复)

        // centerScaleAnimation.setRepeatCount(-1);

        centerScaleAnimation.setAnimationListener(new AnimationListener() {

            @Override

            public void onAnimationStart(Animation animation) {

                // TODO Auto-generated method stub

}

            @Override

            public void onAnimationRepeat(Animation animation) {

                // TODO Auto-generated method stub

}

            @Override

            public void onAnimationEnd(Animation animation) {

                center.setEnabled(true);

                // TODO Auto-generated method stub

            }

        });

        // 图片配置动画
喝咖啡的英文翻译,喝咖啡的造句

        center.setAnimation(centerScaleAnimation);

// 动画开始

centerScaleAnimation.startNow();

center.setEnabled(false);

}

}

转载于:https://www.cnblogs.com/sky7034/archive/2011/06/22/2086594.html

发布者：全栈程序员-用户IM，转载请注明出处：https://javaforall.cn/181543.html原文链接：https://javaforall.cn

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