// 学习学习再学习，学习定义自己的adapter，特定位置的特定视图，只能是图片或者文本
// 为特定的view添加内容
// 特定位置对view进行数据填充
private void bindView(int position, View view) {
final Map dataSet = mData.get(position);
if (dataSet == null) {
return;
}
final ViewBinder binder = mViewBinder;
// 一个map中的数据，其key为string类型
final String[] from = mFrom;
// 对应的需要赋值的view
final int[] to = mTo;
// 需要进行填充的view的数量，to啊
final int count = to.length;
// 循环为每一个特定视图赋值
for (int i = 0; i < count; i++) {
final View v = view.findViewById(to[i]);
if (v != null) {
// 获取对应位置map对应的key的值
final Object data = dataSet.get(from[i]);
String text = data == null ? "" : data.toString();
if (text == null) {
// 防止错误
text = "";
}
boolean bound = false;
if (binder != null) {
// bound是做什么用的呢
bound = binder.setViewValue(v, data, text);
}
// 原来还可以有checkable
if (!bound) {
if (v instanceof Checkable) {
if (data instanceof Boolean) {
((Checkable) v).setChecked((Boolean) data);
} else if (v instanceof TextView) {
// Note: keep the instanceof TextView check at the bottom of these
// ifs since a lot of views are TextViews (e.g. CheckBoxes).
setViewText((TextView) v, text);
} else {
throw new IllegalStateException(
v.getClass().getName()
+ " should be bound to a Boolean, not a "
+ (data == null ? "<unknown type>" : data.getClass()));
}
} else if (v instanceof TextView) {
// Note: keep the instanceof TextView check at the bottom of these
// ifs since a lot of views are TextViews (e.g. CheckBoxes).
setViewText((TextView) v, text);
} else if (v instanceof ImageView) {
if (data instanceof Integer) {
setViewImage((ImageView) v, (Integer) data);
} else {
setViewImage((ImageView) v, text);
}
} else {
throw new IllegalStateException(
v.getClass().getName()
+ " is not a "
+ " view that can be bounds by this SimpleAdapter");
}
}
}
}
}
