Android动画工具类AnimeHepler，,import andro

Android动画工具类AnimeHepler，,import andro

import android.content.Context;import android.graphics.ColorMatrix;import android.graphics.ColorMatrixColorFilter;import android.graphics.drawable.AnimationDrawable;import android.view.Gravity;import android.view.View;import android.view.ViewGroup;import android.view.View.OnClickListener;import android.view.animation.Animation;import android.view.animation.AnimationUtils;import android.view.animation.LinearInterpolator;import android.view.animation.Animation.AnimationListener;import android.widget.AbsListView;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.ProgressBar;import android.widget.TextView;import android.widget.FrameLayout.LayoutParams;public class AnimeHepler {    private static AnimeHepler util;    public static AnimeHepler getInstance() {        if (util == null) {            util = new AnimeHepler();        }        return util;    }    private AnimeHepler() {        super();    }    /**     *      * 给listView加一个刷新动画的EmptyView listview外层最好用FrameLayout单独包着     *      * @param context     * @param lv     * @param is     */    public void setAnimationEmptyView(Context context, AbsListView lv,            ProgressBar bar, String str) {        ViewGroup parentView = (ViewGroup) lv.getParent();        removeItem(parentView, lv, -10321);        removeItem(parentView, lv, -10322);        LinearLayout wait = getProgressView(context, bar, str);        parentView.addView(wait);        lv.setTag(-10322, wait);        lv.setEmptyView(wait);    }    /**     * 给listView加一个数据为空时EmptyView listview外层最好用FrameLayout单独包着     *      * @param context     * @param lv     * @param rid     * @param message     * @param listener     */    public void setNoDataEmptyView(Context context, AbsListView lv,            Integer rid, String message, OnClickListener listener) {        ViewGroup parentView = (ViewGroup) lv.getParent();        removeItem(parentView, lv, -10321);        removeItem(parentView, lv, -10322);        LinearLayout inflate = getEmptyView(context, rid, message, listener);        parentView.addView(inflate);        lv.setEmptyView(inflate);        lv.setTag(-10321, inflate);    }    /**     * 删除上一个EmptyView     * @param parentView     * @param lv     * @param index     */    private void removeItem(ViewGroup parentView, AbsListView lv, int index) {        Object tag = lv.getTag(index);        if (tag != null && tag instanceof View) {             View s = ( View) tag;            parentView.removeView(s);            lv.setTag(index, null);        }    }    /**     * 得到一个刷新动画的EmptyView     *      * @param context     * @param bar     * @param str     * @return     */    private LinearLayout getProgressView(Context context, ProgressBar bar,            String str) {        LinearLayout ll1 = new LinearLayout(context);        ll1.setOrientation(LinearLayout.VERTICAL);        LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT,                LayoutParams.MATCH_PARENT);        ll1.setGravity(Gravity.CENTER);        ll1.setLayoutParams(params);        if (bar == null) {            bar = new ProgressBar(context);        }        TextView textView = new TextView(context);        textView.setText(str);        textView.setGravity(Gravity.CENTER);        ll1.addView(bar);        ll1.addView(textView);        return ll1;    }    /**     * 得到一个数据为空时的EmptyView     *      * @param context     * @param rid     * @param str     * @param click     * @return     */    private LinearLayout getEmptyView(Context context, Integer rid, String str,            OnClickListener click) {        LinearLayout ll2 = new LinearLayout(context);        ll2.setOrientation(LinearLayout.VERTICAL);        LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT,                LayoutParams.MATCH_PARENT);        ll2.setGravity(Gravity.CENTER);        ll2.setLayoutParams(params);        if (click != null) {            ll2.setOnClickListener(click);        }        if (rid != null) {            ImageView imageView = new ImageView(context);            imageView.setImageResource(rid);            ll2.addView(imageView);        }        TextView textView = new TextView(context);        textView.setText(str);        textView.setGravity(Gravity.CENTER);        ll2.addView(textView);        return ll2;    }    /**     * 给view设置动画效果，并设置动画结束后回调     *      * @param context     * @param v     * @param animationId     * @param ae     */    public static void startAnimation(Context context, View v, int animationId,            final OnAnimEnd ae) {        startAnimation(context, v, animationId, null, ae);    }    /**     * 给view设置动画效果，并设置动画结束后回调     *      * @param context     * @param v     * @param anim     * @param ae     */    public static void startAnimation(Context context, View v, Animation anim,            final OnAnimEnd ae) {        startAnimation(context, v, 0, anim, ae);    }    /**     * 给view设置动画效果，并设置动画结束后回调     *      * @param context     * @param v     * @param animationId     * @param ae     */    private static void startAnimation(Context context, View v,            int animationId, Animation anim, final OnAnimEnd ae) {        if (anim == null) {            anim = AnimationUtils.loadAnimation(context, animationId);        }        v.startAnimation(anim);        anim.setAnimationListener(new AnimationListener() {            @Override            public void onAnimationStart(Animation arg0) {                // TODO Auto-generated method stub            }            @Override            public void onAnimationRepeat(Animation arg0) {                // TODO Auto-generated method stub            }            @Override            public void onAnimationEnd(Animation arg0) {                if (ae != null) {                    ae.end();                }            }        });    }    public interface OnAnimEnd {        void end();    }    /**     * 将ImageView的图片变为灰色，0灰色，1彩色     *      * @param iv     * @param f     */    public void setImageViewGray(ImageView iv, float f) {        try {            ColorMatrix matrix = new ColorMatrix();            matrix.setSaturation(f);            ColorMatrixColorFilter filter = new ColorMatrixColorFilter(matrix);            iv.setColorFilter(filter);        } catch (Exception e) {            // TODO: handle exception        }    }    /**     * ImageView开始播放动画     *      * @param iv     */    public void startImageAnimation(ImageView iv) {        iv.setVisibility(View.VISIBLE);        AnimationDrawable anim = (AnimationDrawable) iv.getDrawable();        anim.start();    }    /**     * 旋转动画，旋转后保留最后的状态     *      * @param rotate     * @return     */    public android.view.animation.RotateAnimation getRotateAnimation(int rotate) {        android.view.animation.RotateAnimation animation = new android.view.animation.RotateAnimation(                0, rotate);        animation.setFillAfter(true);        animation.setInterpolator(new LinearInterpolator());        return animation;    }}