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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;
}
}