现在的位置: 首页 > 综合 > 正文

给gallery添加小点点导航···

2013年02月26日 ⁄ 综合 ⁄ 共 2806字 ⁄ 字号 评论关闭

package com.broventure.re.activities;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.AdapterView.OnItemSelectedListener;

import com.broventure.re.R;
import com.broventure.re.views.MyGallery;

public class ThemeActivity extends Activity {
TextView color;
MyGallery gallery;
List<Integer> images;
// DelView del;
LinearLayout del;
Drawable point, pointfocus;

@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.theme);
color = (TextView) findViewById(R.id.themecolortext);
gallery = (MyGallery) findViewById(R.id.mygallery);
point = getResources().getDrawable(R.drawable.del_focus);
pointfocus = getResources().getDrawable(R.drawable.del);
del = (LinearLayout) findViewById(R.id.dellinear);

images = new ArrayList<Integer>();
init();
gallery.setAdapter(new galleryadapter(this));
gallery.setOnItemSelectedListener(new OnItemSelectedListener() {
int i;
ImageView im = null;

@Override
public void onItemSelected(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
// TODO Auto-generated method stub

del.removeAllViews();
for(i = 0;i<images.size();i++){
im = new ImageView(ThemeActivity.this);
if(i==arg2){
im.setImageDrawable(pointfocus);
del.removeView(im);
del.addView(im);
}
else{
im.setImageDrawable(point);
del.removeView(im);
del.addView(im);
}
}

Log.e("position", "" + arg2 + "," + i);




}

@Override
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub

}
});

}

void init() {
images.add(R.drawable.canglaoshi1);
images.add(R.drawable.canglaoshi2);
images.add(R.drawable.canglaoshi3);
images.add(R.drawable.canglaoshi4);
images.add(R.drawable.canglaoshi5);
initDel();
}

void initDel() {
for (int i = 0; i < images.size(); i++) {
ImageView im = new ImageView(this);
im.setImageDrawable(point);
del.removeView(im);
del.addView(im);
}
}

class galleryadapter extends BaseAdapter {
private Context mContext;

public galleryadapter(Context con) {
// TODO Auto-generated constructor stub
mContext = con;
}

@Override
public int getCount() {
// TODO Auto-generated method stub
return images.size();
}

@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return images.get(position);
}

@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
ImageView imageView = new ImageView(mContext);
imageView.setImageResource(images.get(position));
imageView.setScaleType(ImageView.ScaleType.FIT_XY);

return imageView;
}

}
}

抱歉!评论已关闭.