我在這裏提供我的代碼。我已經把圖像分成9個部分,並顯示在網格視圖如何通過點擊它們來改變圖像,即(第一次點擊的圖像應該被替換爲第二次點擊圖像,反之亦然)我已經使用位圖陣列來分割圖像並將它們放置在網格視圖中。所以如何通過點擊兩幅圖像來改變網格視圖中的圖像,圖像交換應該如何進行,任何人都可以幫助我。在android中的圖像替換問題gridview
public class Imagepieces extends Activity {
ArrayList<Bitmap> breakedimages,duplicate;
GridView g;
int i=0,temp,temp2,rpos;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_image);
breakedimages = getIntent().getParcelableArrayListExtra("breaked image");
duplicate = new ArrayList<Bitmap>(breakedimages);
Collections.shuffle(duplicate);
g = (GridView) findViewById(R.id.gridView1);
g.setAdapter(new CutAdapter(this, breakedimages));
g.setNumColumns((int) Math.sqrt(breakedimages.size()));
g.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
// TODO Auto-generated method stub
//=================================================
{
}
});
}
class CutAdapter extends BaseAdapter {
int iwidth, iheight;
Context context;
public CutAdapter(Imagepieces ipieces, ArrayList<Bitmap> breakedimages) {
// TODO Auto-generated constructor stub
iwidth = breakedimages.get(0).getWidth();
iheight = breakedimages.get(0).getHeight();
context = ipieces;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return duplicate.size();
}
@Override
public Object getItem(int arg0) {
// TODO Auto-generated method stub
return duplicate.get(arg0);
}
@Override
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return arg0;
}
@Override
public View getView(int arg0, View arg1, ViewGroup arg2) {
// TODO Auto-generated method stub
ImageView i=new ImageView(context);
i.setLayoutParams(new GridView.LayoutParams(iwidth +5,iheight +5));
i.setPadding(0, 0, 0, 0);
i.setImageBitmap(duplicate.get(arg0));
return i;
}
}
}
can any one do the need for me as i have stuck here how to move the images among themselves
U可以對列表中的每個元素設置的標誌和使用標誌與其他交換它。 –
你能解釋我更詳細的方式 – user1705339
使用帶有標誌的案例條件,並檢查條件。我想一個優化的方法,但你用過mathsqrt。 –