我想在sdcard目录的gridview中显示图像。我使用这个code.But当我加载图像的类型:bitmap.getView在gridview适配器需要Integer [] array.how我可以修复它?从sdcard目录的图像的Gridview
public class LoadPic extends Activity {
Integer[] imageIDs = {
R.drawable.user,
R.drawable.user,
R.drawable.user,
R.drawable.user,
R.drawable.user,
R.drawable.user,
R.drawable.user
};
int numberOfImages=0;
Bitmap[] m;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.load_pic);
Intent gett = getIntent();
String _area = gett.getStringExtra("area");
String _domain = gett.getStringExtra("domain");
String _block = gett.getStringExtra("block");
String _melk = gett.getStringExtra("melk");
String _build = gett.getStringExtra("build");
String _apar = gett.getStringExtra("apar");
String _senfi = gett.getStringExtra("senfi");
File dir = new File(Environment.getExternalStorageDirectory()
+ "/momayezi/"+_area+"-"+_domain+"-"+_block+"-"+_melk+"-"+_build+"-"+_apar+"-"+_senfi);
File[] files = dir.listFiles();
numberOfImages=files.length;
for (int i=1;i<=numberOfImages;i++)
{
File img = new File("/sdcard/momayezi/"+_area+"-"+_domain+"-"+_block+"-"+_melk+"-"+_build+"-"+_apar+"-"+_senfi+"/pic"+i+".png");
if(img.exists())
{
Bitmap bit = BitmapFactory.decodeFile(img.getAbsolutePath());
}
}
GridView gridView = (GridView) findViewById(R.id.gridview);
gridView.setAdapter(new ImageAdapter(this));
gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> parent,
View v, int position, long id) {
Toast.makeText(getBaseContext(),
"pic" + (position + 1) + " selected",
Toast.LENGTH_SHORT).show();
}
});
}
public class ImageAdapter extends BaseAdapter
{
private Context context;
public ImageAdapter(Context c)
{
context = c;
}
//---returns the number of images---
public int getCount() {
return numberOfImages;
}
//---returns the ID of an item---
public Object getItem(int position) {
return position;
}
public long getItemId(int position) {
return position;
}
//---returns an ImageView view---
public View getView(int position, View convertView, ViewGroup parent)
{
ImageView imageView;
if (convertView == null) {
imageView = new ImageView(context);
imageView.setLayoutParams(new GridView.LayoutParams(185, 185));
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
imageView.setPadding(7, 7, 7, 7);
} else {
imageView = (ImageView) convertView;
}
/**/
imageView.setImageResource(imageIDs[position]);
/**/
return imageView;
}
}
}
请帮助我如何能在这个类(适配器)使用图像。
第i要改变这种代码。此不干活要从sdcard.but负荷图像becaese我通过文件加载IMG图像...我不知道我replase imageview.setImageResource( imagename.setImageBitmap() –
@MahshidFallah搜索堆栈溢出代码从存储读取图像,如果有任何错误发布它 –