Android popupwindow 动画 特效 案例(一)

图:

Ok,上面的效果为POPUPWINDOW简单的实现效果，下面我就把核心代码贴出来吧，希望能对想关朋友做个参考，可以通个这个小的按列来对自己做更好的扩展：

直接贴代码了：

package com.lenovo.roll;

/**
*
* @author jankey
*
*/
public class RollActivity extends Activity {
private View view;
private Button btn;
private PopupWindow mPopupWindow;
private View[] btns;
private GridView mListViews;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

btn=(Button) this.findViewById(R.id.btn);
btn.setOnClickListener(new OnClickListener(){

@Override
public void onClick(View v) {
showPopupWindow(btn);
}

});

initPopupWindow(R.layout.popwindow);

}

private void initPopupWindow(int resId){
LayoutInflater mLayoutInflater = (LayoutInflater)getSystemService(LAYOUT_INFLATER_SERVICE);
view = mLayoutInflater.inflate(resId, null);

mPopupWindow = new PopupWindow(view, 400,LayoutParams.WRAP_CONTENT);
mPopupWindow.setBackgroundDrawable(getResources().getDrawable(R.drawable.bg_frame));
mPopupWindow.setOutsideTouchable(true);

mPopupWindow.setAnimationStyle(R.style.PopupAnimation);
mPopupWindow.setAnimationStyle(android.R.style.Animation_Dialog);
mPopupWindow.update();
mPopupWindow.setTouchable(true);
mPopupWindow.setFocusable(true);

btns=new View[4];
btns[0]=view.findViewById(R.id.btn_0);
btns[1]=view.findViewById(R.id.btn_1);
btns[2]=view.findViewById(R.id.btn_2);
mListViews = (GridView) view.findViewById(R.id.listViews);

String str="这只是测试,但是这是可以运用在项目中的，你需要仔细参看";
SpannableStringBuilder stryle = new SpannableStringBuilder(str);
stryle.setSpan(new ForegroundColorSpan(Color.BLUE), 0, 4, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
stryle.setSpan(new ForegroundColorSpan(Color.RED), 4, 11, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
stryle.setSpan(new ForegroundColorSpan(Color.WHITE), 11, 15, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
ArrayList arrs = new ArrayList();
Beans b = new Beans();
for (int i = 0; i < 20; i++) {
b.setId(R.drawable.home_light);
b.setName(stryle+"this is title");
b.setStrs("this is content!");
arrs.add(b);
}
mListViews.setAdapter(new PopAdapter(this,arrs));
btns[0].setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
ArrayList arrs = new ArrayList();
Beans b = new Beans();
for (int i = 0; i < 20; i++) {
b.setId(R.drawable.home_light);
b.setName("this is title");
b.setStrs("this.is content!");
arrs.add(b);
}
mListViews.setAdapter(new PopAdapter(RollActivity.this,arrs));
mListViews.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView< > parent, View view,
int position, long id) {
Toast.makeText(RollActivity.this,view.getId()+" <: "+position,1).show();
}
});
}
});
btns[1].setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
ArrayList arrs = new ArrayList();
Beans b = new Beans();
for (int i = 0; i < 20; i++) {
b.setId(R.drawable.newpro_light);
b.setName("this is title:"+Html.fromHtml("你好！我的ANDROID之旅！"));
b.setStrs("this.is content!");
arrs.add(b);
}
mListViews.setAdapter(new PopAdapter(RollActivity.this,arrs));
mListViews.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView< > parent, View view,
int position, long id) {
Toast.makeText(RollActivity.this,view.getId()+" := "+position,1).show();
}
});
}
});
btns[2].setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
ArrayList arrs = new ArrayList();
Beans b = new Beans();
for (int i = 0; i < 20; i++) {
b.setId(R.drawable.todayspe_light);
b.setName("this is t