饮食类网站/企业seo推广的绝密诀窍曝光
先上Android仿微博菜单弹出效果图，这个截图不是很流畅，大家可以下载apk试一下。
说一下实现思路：
1、截取当前窗口，对图片做高斯模糊处理，将处理后的图片做popupwindow的背景图片；
2、创建popupwindow，完成布局，这儿要注意：View的移动范围是由parent的大小决定的，就是只能在parent的范围内移动；
3、给买个View添加进入动画，每个比前一个延期50ms播放动画，关闭窗口时相反；
4、为View的动画添加回弹插值器；
MoreWindow.java窗口
package com.jerome.weibo;
import android.animation.Animator;
import android.animation.Animator.AnimatorListener;
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.os.Handler;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.AnimationSet;
import android.view.animation.TranslateAnimation;
import android.widget.ImageView;
import android.widget.PopupWindow;
import android.widget.RelativeLayout;
import android.widget.RelativeLayout.LayoutParams;
public class MoreWindow extends PopupWindow implements OnClickListener{
private String TAG = MoreWindow.class.getSimpleName();
Activity mContext;
private int mWidth;
private int mHeight;
private int statusBarHeight ;
private Bitmap mBitmap= null;
private Bitmap overlay = null;
private Handler mHandler = new Handler();
public MoreWindow(Activity context) {
mContext = context;
}
public void init() {
Rect frame = new Rect();
mContext.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
statusBarHeight = frame.top;
DisplayMetrics metrics = new DisplayMetrics();
mContext.getWindowManager().getDefaultDisplay()
.getMetrics(metrics);
mWidth = metrics.widthPixels;
mHeight = metrics.heightPixels;
setWidth(mWidth);
setHeight(mHeight);
}
private Bitmap blur() {
if (null != overlay) {
return overlay;
}
long startMs = System.currentTimeMillis();
View view = mContext.getWindow().getDecorView();
view.setDrawingCacheEnabled(true);
view.buildDrawingCache(true);
mBitmap = view.getDrawingCache();
float scaleFactor = 8;//图片缩放比例；
float radius = 10;//模糊程度
int width = mBitmap.getWidth();
int height = mBitmap.getHeight();
overlay = Bitmap.createBitmap((int) (width / scaleFactor),(int) (height / scaleFactor),Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(overlay);
canvas.scale(1 / scaleFactor, 1 / scaleFactor);
Paint paint = new Paint();
paint.setFlags(Paint.FILTER_BITMAP_FLAG);
canvas.drawBitmap(mBitmap, 0, 0, paint);
overlay = FastBlur.doBlur(overlay, (int) radius, true);
Log.i(TAG, "blur time is:"+(System.currentTimeMillis() - startMs));
return overlay;
}
private Animation showAnimation1(final View view,int fromY ,int toY) {
AnimationSet set = new AnimationSet(true);
TranslateAnimation go = new TranslateAnimation(0, 0, fromY, toY);
go.setDuration(300);
TranslateAnimation go1 = new TranslateAnimation(0, 0, -10, 2);
go1.setDuration(100);
go1.setStartOffset(250);
set.addAnimation(go1);
set.addAnimation(go);
set.setAnimationListener(new AnimationListener() {
@Override
public void onAnimationEnd(Animation animation) {
}
@Override
public void onAnimationRepeat(Animation animation) {
}
@Override
public void onAnimationStart(Animation animation) {
}
});
return set;
}
public void showMoreWindow(View anchor,int bottomMargin) {
final RelativeLayout layout = (RelativeLayout)LayoutInflater.from(mContext).inflate(R.layout.center_music_more_window, null);
setContentView(layout);
ImageView close= (ImageView)layout.findViewById(R.id.center_music_window_close);
android.widget.RelativeLayout.LayoutParams params =new android.widget.RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT);
params.bottomMargin = bottomMargin;
params.addRule(RelativeLayout.BELOW, R.id.more_window_auto);
params.addRule(RelativeLayout.RIGHT_OF, R.id.more_window_collect);
params.topMargin = 200;
params.leftMargin = 18;
close.setLayoutParams(params);
close.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (isShowing()) {
closeAnimation(layout);
}
}
});
showAnimation(layout);
setBackgroundDrawable(new BitmapDrawable(mContext.getResources(), blur()));
setOutsideTouchable(true);
setFocusable(true);
showAtLocation(anchor, Gravity.BOTTOM, 0, statusBarHeight);
}
private void showAnimation(ViewGroup layout){
for(int i=0;i
final View child = layout.getChildAt(i);
if(child.getId() == R.id.center_music_window_close){
continue;
}
child.setOnClickListener(this);
child.setVisibility(View.INVISIBLE);
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
child.setVisibility(View.VISIBLE);
ValueAnimator fadeAnim = ObjectAnimator.ofFloat(child, "translationY", 600, 0);
fadeAnim.setDuration(300);
KickBackAnimator kickAnimator = new KickBackAnimator();
kickAnimator.setDuration(150);
fadeAnim.setEvaluator(kickAnimator);
fadeAnim.start();
}
}, i * 50);
}
}
private void closeAnimation(ViewGroup layout){
for(int i=0;i
final View child = layout.getChildAt(i);
if(child.getId() == R.id.center_music_window_close){
continue;
}
child.setOnClickListener(this);
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
child.setVisibility(View.VISIBLE);
ValueAnimator fadeAnim = ObjectAnimator.ofFloat(child, "translationY", 0, 600);
fadeAnim.setDuration(200);
KickBackAnimator kickAnimator = new KickBackAnimator();
kickAnimator.setDuration(100);
fadeAnim.setEvaluator(kickAnimator);
fadeAnim.start();
fadeAnim.addListener(new AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
// TODO Auto-generated method stub
}
@Override
public void onAnimationRepeat(Animator animation) {
// TODO Auto-generated method stub
}
@Override
public void onAnimationEnd(Animator animation) {
child.setVisibility(View.INVISIBLE);
}
@Override
public void onAnimationCancel(Animator animation) {
// TODO Auto-generated method stub
}
});
}
}, (layout.getChildCount()-i-1) * 30);
if(child.getId() == R.id.more_window_local){
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
dismiss();
}
}, (layout.getChildCount()-i) * 30 + 80);
}
}
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.more_window_local:
break;
case R.id.more_window_online:
break;
case R.id.more_window_delete:
break;
case R.id.more_window_collect:
break;
case R.id.more_window_auto:
break;
case R.id.more_window_external:
break;
default:
break;
}
}
public void destroy() {
if (null != overlay) {
overlay.recycle();
overlay = null;
System.gc();
}
if (null != mBitmap) {
mBitmap.recycle();
mBitmap = null;
System.gc();
}
}
}
KickBackAnimator.Java回弹效果：
package com.jerome.weibo;
import android.animation.TypeEvaluator;
public class KickBackAnimator implements TypeEvaluator {
private final float s = 1.70158f;
float mDuration = 0f;
public void setDuration(float duration) {
mDuration = duration;
}
public Float evaluate(float fraction, Float startValue, Float endValue) {
float t = mDuration * fraction;
float b = startValue.floatValue();
float c = endValue.floatValue() - startValue.floatValue();
float d = mDuration;
float result = calculate(t, b, c, d);
return result;
}
public Float calculate(float t, float b, float c, float d) {
return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b;
}
}
请大家star一下，我后面会持续更新；
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。