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853天前package com.example.testandroid; |
import java.util.Timer; |
import java.util.TimerTask; |
import android.app.Activity; |
import android.content.Context; |
import android.content.res.TypedArray; |
import android.os.Bundle; |
import android.os.Handler; |
import android.os.Message; |
import android.view.View; |
import android.view.ViewGroup; |
import android.widget.BaseAdapter; |
import android.widget.Gallery; |
import android.widget.ImageView; |
/** * gallery 图片循环播放 * * @author maqf * */ |
@SuppressWarnings("deprecation") |
public class CycleImageActivity extends Activity { |
private int[] picture = { R.drawable.gallery1, R.drawable.gallery2, |
R.drawable.gallery3, R.drawable.gallery4, R.drawable.gallery5, |
R.drawable.gallery6, }; |
private Gallery pictureGallery = null; |
private int index = 0; |
@Override |
protected void onCreate(Bundle savedInstanceState) { |
super.onCreate(savedInstanceState); |
setContentView(R.layout.second_tiem); |
this.pictureGallery = (Gallery) findViewById(R.id.gallery); |
ImageAdapter adapter = new ImageAdapter(this); |
this.pictureGallery.setAdapter(adapter); |
Timer timer = new Timer(); |
timer.schedule(task, 2000, 2000); |
} |
/** * 定时器 */ |
private TimerTask task = new TimerTask() { |
@Override |
public void run() { |
Message message = new Message(); |
message.what = 2; |
index = pictureGallery.getSelectedItemPosition(); |
index++; |
handler.sendMessage(message); |
} |
}; |
/** * Handler */ |
private Handler handler = new Handler() { |
@Override |
public void handleMessage(Message msg) { |
super.handleMessage(msg); |
switch (msg.what) { |
case 2: |
pictureGallery.setSelection(index); |
break; |
default: |
break; |
} |
} |
}; |
/** * 自定义一个图片显示适配器 * * @author TanRuixiang * */ |
class ImageAdapter extends BaseAdapter { |
private Context context; |
public ImageAdapter(Context context) { |
this.context = context; |
} |
public int getCount() { |
return Integer.MAX_VALUE; |
} |
public Object getItem(int position) { |
return position; |
} |
public long getItemId(int position) { |
return position; |
} |
public View getView(int position, View convertView, ViewGroup parent) { |
ImageView imageView = new ImageView(context); |
imageView.setImageResource(picture[position % picture.length]); |
imageView.setScaleType(ImageView.ScaleType.FIT_XY); |
imageView.setLayoutParams(new Gallery.LayoutParams( |
Gallery.LayoutParams.FILL_PARENT, |
Gallery.LayoutParams.FILL_PARENT)); |
return imageView; |
} |
} |
} |
初级程序员
by: 小蘑菇 发表于：2013-05-05 23:57:20 顶(0) | 踩(0) 回复
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