android代码实现ScaleAnimation动画(附原码)
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);
// 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
center.setAnimation(centerScaleAnimation);
// 动画开始
centerScaleAnimation.startNow();
center.setEnabled(false);
}
}
1，动画执行之前
2，动画执行之后
