从资源文件里面获取
public class MainActivity extends Activity {
private LayoutInflater inflater;
private LinearLayout line_mountainflower_main;
private ViewPager adViewPager;
private View adview1, adview2, adview3;
private TimerTask timertask;
private Timer timer;
private int[] drawables = { R.drawable.five, R.drawable.four,
R.drawable.six };
private Handler handler = new Handler() {
public void handleMessage(android.os.Message msg) {
// 设置他的滑动速度
adViewPager.setCurrentItem(currentitem % 5, false);
currentitem++;
};
};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
inflater = LayoutInflater.from(MainActivity.this);
initViews();
initAds();
}
private void hehe() {
// TODO Auto-generated method stub
if (timertask != null) {
timertask.cancel();
timertask = null;
}
if (timer != null) {
timer.cancel();
timer = null;
}
if (timertask == null) {
timertask = new TimerTask() {
@Override
public void run() {
handler.obtainMessage().sendToTarget();
}
};
timer = new Timer();
timer.schedule(timertask, 2000, 2000);
}
}
private ArrayList<View> adViews;
private ImageView adpic1, adpic2, adpic3;
private ImageView[] images;
private int currentitem = 0;
private AdViewPagerAdapter adPagerAdapter;
private void initAds() {
// TODO Auto-generated method stub
line_mountainflower_main.removeAllViews();
View adView = inflater.inflate(R.layout.mountainflower_admain, null);
line_mountainflower_main.addView(adView);
adViewPager = (ViewPager) findViewById(R.id.adviewpager);
adViews = new ArrayList<View>();
adview1 = inflater.inflate(R.layout.adview1, null);
adview2 = inflater.inflate(R.layout.adview2, null);
adview3 = inflater.inflate(R.layout.adview3, null);
adpic1 = (ImageView) adview1.findViewById(R.id.adpic1);
adpic2 = (ImageView) adview2.findViewById(R.id.adpic2);
adpic3 = (ImageView) adview3.findViewById(R.id.adpic3);
images = new ImageView[] { adpic1, adpic2, adpic3 };
for (int i = 0; i < images.length; i++) {
images[i].setImageResource(drawables[i]);
}
adViews.add(adview1);
adViews.add(adview2);
adViews.add(adview3);
currentitem = 0;
adPagerAdapter = new AdViewPagerAdapter(adViews);
adViewPager.setAdapter(adPagerAdapter);
hehe();
}
private void initViews() {
// TODO Auto-generated method stub
line_mountainflower_main = (LinearLayout) findViewById(R.id.line_mountainflower_main);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
public class AdViewPagerAdapter extends PagerAdapter {
private ArrayList<View> Views;
private int[] drawables = {R.drawable.five,R.drawable.four,R.drawable.six};
public AdViewPagerAdapter(ArrayList<View> views) {
super();
this.Views = views;
}
@Override
public int getCount() {
return Views.size();
}
@Override
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == arg1;
}
@Override
public void destroyItem(View container, int position, Object object) {
((ViewPager) container).removeView(Views.get(position));
}
@Override
public Object instantiateItem(View container, int position) {
if (position >= Views.size() - 1) {
int newPosition = position % Views.size();
position = newPosition;
}
try {
((ViewPager) container).addView(Views.get(position), 0);
} catch (Exception e) {
}
return Views.get(position);
}
}
FileUtil:
public class FileUtil {
/**
* 创建目录
*
* @param dirName
* 目录名字
* @return
*/
public static File createSDDir(String dirName) {
File dir = new File(dirName);
dir.mkdirs();
return dir;
}
/**
* 创建文件
*
* @param fileName
* 文件名字
* @return
* @throws IOException
*/
public static File createSDFile(String fileName) throws IOException {
File file = new File(fileName);
file.createNewFile();
return file;
}
/**
* 得到设备外部存储目录
*/
public static final String SDPath = android.os.Environment
.getExternalStorageDirectory().getPath() + "/";
/**
* 保存文件到SD卡
*
* @param bitmap
* 图片对象
* @param file
* 保存文件的路径
*/
public static void copyFile(Bitmap bitmap, File file) {
try {
BufferedOutputStream bos = new BufferedOutputStream(
new FileOutputStream(file));
bitmap.compress(Bitmap.CompressFormat.JPEG, 80, bos);
bos.flush();
bos.close();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}