我做了一个布局,在这个布局中,一个按钮在标题中,现在我希望当用户点击列表视图中的标题按钮时,多个按钮变为可见。我怎样才能做到这一点?请回复
public View getView( final int position, View convertView, ViewGroup parent) {
String mText = mlist.get(position);
LayoutInflater vi = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
convertView = vi.inflate(R.layout.custom_will, null);
TextView txt = (TextView) convertView
.findViewById(R.id.txtcustomwill);
final Button deletbtn = (Button)convertView.findViewById(R.id.btndelete);
Button bt = (Button)convertView.findViewById(R.id.btnchange);
Log.v("palak", "bar " + position );
txt.setText(mText);
lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View v,
int position, long Id) {
if(position == 0){
dba = DBAdapter.getDBAdapterInstance(getApplicationContext());
try {
dba.createDataBase();
} catch (IOException e) {
e.printStackTrace();
}
if (save) {
sqldb = dba.openDataBase();
ContentValues cv = new ContentValues();
cv.put("todayDate", "UnNamed Entry");
cv.put("fname", "UnNamed Entry");
cv.put("sname", "UnNamed Entry");
cv.put("add1", "UnNamed Entry");
cv.put("add2", "UnNamed Entry");
cv.put("add3", "UnNamed Entry");
cv.put("pcode", "UnNamed Entry");
sqldb.insert("urdet", null,cv);
cv.clear();
Toast.makeText(getApplicationContext(), "inserted", Toast.LENGTH_SHORT).show();
}
dba.close();
Intent i = new Intent(Yourwill.this, Section.class);
startActivity(i);
finish();
}
else
{
Willdto.setposition(Integer.parseInt(aId.get(position)));
Intent i = new Intent(Yourwill.this, Section.class);
startActivity(i);
finish();
}
}
});
deletbtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
SQLiteDatabase sqldb = dba.openDataBase();
String[] arr = { "" + aId.get(position) };
sqldb.delete("urdet", "Id = ?", arr);
Toast.makeText(getApplicationContext(), "Delete", Toast.LENGTH_SHORT).show();
Log.v("log_tag", "pos " + aId.get(position));
dba.close();
Intent i = new Intent(Yourwill.this,Yourwill.class);
startActivity(i);
finish();
}
});
bt.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
deletbtn.setVisibility(View.VISIBLE);
}
});
return convertView;
}
}
答案 0 :(得分:2)
这样做的方法是