public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,long arg3) {
// TODO Auto-generated method stub
sImageView = (ImageView) arg0.getItemAtPosition(arg2);
Intent imageIntent = new Intent(MainActivity.this,
SelectImageActivity.class);
startActivity(imageIntent);
}
我的目的是 通过点击GridView中的图片获取ImageView 可是在sImageView = (ImageView) arg0.getItemAtPosition(arg2)这个地方 报出异常 java.lang.ClassCastException: 不知道是怎么回事 难道是代码写法错了????????????请高手指教?????????????
// TODO Auto-generated method stub
sImageView = (ImageView) arg0.getItemAtPosition(arg2);
Intent imageIntent = new Intent(MainActivity.this,
SelectImageActivity.class);
startActivity(imageIntent);
}
我的目的是 通过点击GridView中的图片获取ImageView 可是在sImageView = (ImageView) arg0.getItemAtPosition(arg2)这个地方 报出异常 java.lang.ClassCastException: 不知道是怎么回事 难道是代码写法错了????????????请高手指教?????????????
http://blog.csdn.net/aminfo/article/details/7796401
/**
* 改变字体
* @param v
* @param fontSize
*/
public void setFontSize(View v, float fontSizeValue)
{
if(v instanceof TextView)
{
((TextView) v).setTextSize(fontSizeValue);
}
else if(v instanceof EditText)
{
((EditText) v).setTextSize(fontSizeValue);
}
else if(v instanceof Button)
{
((Button) v).setTextSize(fontSizeValue);
}
else
{
int vChildCount = ((ViewGroup) v).getChildCount();
for(int i=0; i<vChildCount; i++)
{
View v1 = ((ViewGroup) v).getChildAt(i);
setFontSize(v1, fontSizeValue);
}
}
}
{
if(v instanceof ImageView)
{
sImageView = v;
}
else if(v instanceof TextView || v instanceof EditText || v instanceof Button)
{
}
else
{
int vChildCount = ((ViewGroup) v).getChildCount();
for(int i=0; i<vChildCount; i++)
{
View v1 = ((ViewGroup) v).getChildAt(i);
getImageView(v1);
}
}
}然后在onItemClick里面
getImageView(arg1);