我在第二个活动中有 EditText。因此在此处输入的值将添加到第一个活动中的自定义列表视图中。
我在列表中的第一个活动我有文本视图、复选框和按钮（编辑）。这里的 textview 将来自第二个活动 edittext 数据。所以在这里如果我点击编辑然后它导航到该特定数据的第二个活动。我现在得到所有这些..在第二个活动中我想编辑文本字段值。所以它必须在列表视图中显示编辑后的值和这个数据特定行。
public class MyApplication extends Application{
ArrayList<String> arryList = new ArrayList<String>();
String cardNumberData=null;
}
public class Second extends Activity{
EditText cardNumber;
String cardNumberReceived;
MyApplication app;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.editcredit);
cardNumberReceived = getIntent().getStringExtra("cardwithoutstring");
System.out.println("cardWithOutStringReceived"+cardNumberReceived);
app = ((MyApplication) getApplicationContext());
cardNumber =(EditText)findViewById(R.id.cardnumber);
cardNumber.setText(cardNumberReceived);
Button save =(Button)findViewById(R.id.save);
save.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
app.cardNumberData =cardNumber.getText().toString();
System.out.println("Gotcardname"+app.cardNumberData);
app.arryList.add(app.cardNumberData);
System.out.println("Array List Size "+app.arryList.size());
System.out.println("Array List Size "+app.cardTypeList.size());
Intent saveIntent =new Intent(Second.this,First.class);
startActivity(saveIntent);
}
});
}
}
public class First extends Activity{
protected ListItemsState[] mDeletedItemsStates;
protected ArrayAdapter<ListItemsState> mListAdapter;
protected ListView mFoldersListView;
protected Context mContext;
LayoutInflater lay;
MyApplication app;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.newcard);
app = ((MyApplication) getApplicationContext());
mDeletedItemsStates = (ListItemsState[])getLastNonConfigurationInstance();
if (mDeletedItemsStates == null) {
mDeletedItemsStates = new ListItemsState[app.arryList.size()];
for (int i = 0; i < app.arryList.size(); i++) {
mDeletedItemsStates[i] = new ListItemsState(app.arryList.get(i),i);
}
}
ArrayList<ListItemsState> gridItemsList = new ArrayList<ListItemsState>();
gridItemsList.addAll(Arrays.asList(mDeletedItemsStates));
mListAdapter = new DeletedItemsStateArrayAdapter(this, gridItemsList);
mFoldersListView.setAdapter(mListAdapter);
mFoldersListView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
mFoldersListView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
Toast.makeText(getApplicationContext(), "am thelist",
Toast.LENGTH_LONG).show();
}
});
}
private static class ListItemsState {
private String produ = "";
private boolean checked = false;
private int position;
public ListItemsState(String produ, int position) {
this.position = position;
}
public String getProdu() {
return produ;
}
public int getPosition() {
return position;
}
public boolean isChecked() {
return checked;
}
public void setChecked(boolean checked) {
this.checked = checked;
}
}
/** Holds child views for one row. */
private static class ListItemsStateViewHolder {
private RadioButton checkBox;
private TextView produ;
private Button edit;
public TextView getProdu() {
return produ;
}
public Button getEdit() {
return edit;
}
public RadioButton getCheckBox() {
return checkBox;
}
}
private class DeletedItemsStateArrayAdapter extends
ArrayAdapter<ListItemsState> {
private int mSelectedPosition = -1;
private RadioButton mSelectedRB;
private LayoutInflater inflater;
public DeletedItemsStateArrayAdapter(Context context,
List<ListItemsState> sentItemsStateList) {
super(context, R.layout.customlist, R.id.card,
sentItemsStateList);
// Cache the LayoutInflate to avoid asking for a new one each time.
inflater = LayoutInflater.from(context);
}
@Override
public View getView(final int position, View convertView,
ViewGroup parent) {
final ListItemsState deletedItemsState = (ListItemsState) this
.getItem(position);
ListItemsStateViewHolder viewHolder = new ListItemsStateViewHolder();
// Create a new row view
if (convertView == null) {
convertView = inflater.inflate(R.layout.customlist, null);
convertView.setTag(new ListItemsStateViewHolder());
}
else {
viewHolder = (ListItemsStateViewHolder) convertView.getTag();
viewHolder.checkBox = viewHolder.getCheckBox();
viewHolder.produ = viewHolder.getProdu();
viewHolder.edit = viewHolder.getEdit();
}
viewHolder.produ = (TextView) convertView.findViewById(R.id.card);
viewHolder.checkBox = (RadioButton) convertView.findViewById(R.id.radioButton1);
viewHolder.edit=(Button)convertView.findViewById(R.id.editbutton);
try {
viewHolder.checkBox.setTag(deletedItemsState);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
viewHolder.edit.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
Intent edit =new Intent(getApplicationContext(), Second.class);
edit.putExtra("cardNumberSending",app.arryList.get(position));
edit.putExtra("Indexvalue",mFoldersListView.getItemIdAtPosition(position));
System.out.println("Index value ::::::::: "+mFoldersListView.getItemIdAtPosition(position));
startActivity(edit);
}
});
viewHolder.produ.setText(deletedItemsState.getProdu());
return convertView;
}
}
public Object onRetainNonConfigurationInstance() {
return mDeletedItemsStates;
}
}