when ever i move down scroll the widgets refresh . i need to stop refresh
when ever i move down scroll the widgets refresh . i need to stop refresh. the valus of widgets shuld be remain till image button clicked.
after change values of widgets when i scroll up after down the widgets values reset . the values should be remain as i perform action.
this is refreshing widgets
XML file
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_marginBottom="30dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:layout_marginTop="30dp"
android:textColor="#000"
>
<TextView
android:id="@+id/text_Lt"
android:layout_width="30dp"
android:layout_height="wrap_content"
android:layout_marginLeft="6dp"
android:gravity="center"
android:textAlignment="center"
android:textColor="#000"
android:layout_marginTop="2.5dp"
android:layout_marginBottom="2.5dp"
/>
<LinearLayout
android:id="@+id/Teacher_layout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="3dp"
android:orientation="vertical"
android:textColor="#000"
>
<TextView
android:id="@+id/text_teacher_name"
android:layout_width="90dp"
android:layout_height="wrap_content"
android:layout_marginLeft="0dp"
android:textColor="#000"
android:layout_marginTop="10dp"
/>
<Spinner
android:id="@+id/spinner_teacher_name"
android:layout_width="90dp"
android:layout_height="wrap_content"
android:layout_marginLeft="0dp"
android:layout_marginTop="-20dp">
</Spinner>
</LinearLayout>
<LinearLayout
android:id="@+id/radioButtons"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:orientation="vertical">
<RadioGroup
android:id="@+id/radioButton_group_PresentAbsent"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<RadioButton
android:id="@+id/radioButton_present"
android:layout_width="80dp"
android:layout_height="25dp"
android:text="Present"
android:textSize="12sp"
/>
<RadioButton
android:layout_marginTop="3dp"
android:id="@+id/radioButton_absent"
android:layout_width="80dp"
android:layout_height="25dp"
android:text="Absent"
android:textSize="12sp"
/>
</RadioGroup>
</LinearLayout>
<EditText
android:id="@+id/etxtStartTimePicker"
android:layout_width="50dp"
android:layout_height="wrap_content"
android:layout_marginLeft="3dp"
android:textSize="11sp"
android:text="LATE"
android:layout_marginTop="2.5dp"
android:layout_marginBottom="2.5dp"/>
<EditText
android:id="@+id/etxtEndTimePicker"
android:layout_width="50dp"
android:layout_height="wrap_content"
android:layout_marginLeft="3dp"
android:textSize="11sp"
android:text="LEAVE"
android:layout_marginTop="2.5dp"
android:layout_marginBottom="2.5dp"
android:visibility="invisible"
/>
<ImageButton
android:id="@+id/submit_Attendance"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@android:color/transparent"
android:layout_marginLeft="5dp"
android:layout_marginTop="2.5dp"
android:layout_marginBottom="2.5dp"
android:src="@drawable/biit"
android:visibility="visible"/>
</LinearLayout>
after change values of widgets when i scroll up after down the widgets values reset , please help . the values should be remain as i perform action.
Java File
public class CustomAdapter extends BaseAdapter
{
private static LayoutInflater inflater = null;
String[] class_room;
Context context;
String[] teacher_name;
String[] days;
ArrayAdapter<String> arrayAdapter1;
Calendar c = Calendar.getInstance();
public CustomAdapter(teacher_attendance mainActivity, String[] arr, String[] arr1, String[] arr2) {
// TODO Auto-generated constructor stub
class_room = arr;
teacher_name = arr1;
days=arr2;
context = mainActivity;
inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
public int getCount() {
// TODO Auto-generated method stub
return class_room.length
}
public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
public View getView(final int position, View convertView, ViewGroup parent) {
final Holder holder = new Holder();
final View rowView;
rowView = inflater.inflate(R.layout.row_layout, null);
holder.radioButton_Group_PresentAbsent = (RadioGroup) rowView.findViewById(R.id.radioButton_group_PresentAbsent);
holder.radioButtonPresent = (RadioButton) rowView.findViewById(R.id.radioButton_present);
holder.txtlt = (TextView) rowView.findViewById(R.id.text_Lt);
holder.txtteacher = (TextView) rowView.findViewById(R.id.text_teacher_name);
holder.radioButtonAbsent = (RadioButton) rowView.findViewById(R.id.radioButton_absent);
holder.etxtStart_time_Picker = (EditText) rowView.findViewById(R.id.etxtStartTimePicker);
holder.etxtStart_time_Picker.setFocusable(false);
holder.etxtEnd_time_Picker = (EditText) rowView.findViewById(R.id.etxtEndTimePicker);
holder.etxtEnd_time_Picker.setFocusable(false);
holder.txtlt.setText(class_room[position]);
holder.txtteacher.setText(teacher_name[position]);
holder.submitAttendance = (ImageButton) rowView.findViewById(R.id.submit_Attendance);
holder.submitAttendance.setVisibility(View.VISIBLE);
holder.spinner_teacher_name = (Spinner) rowView.findViewById(R.id.spinner_teacher_name);
arrayAdapter1 = new ArrayAdapter<String>(context, android.R.layout.simple_spinner_item, teacher_name);
arrayAdapter1.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
holder.spinner_teacher_name.setAdapter(arrayAdapter1);
holder.submitAttendance.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
String teacherName, status = null, startTime, endTime;
holder.dataBaseHelper = new DataBaseHelper(v.getContext());
startTime = holder.etxtStart_time_Picker.getText().toString();
endTime = holder.etxtEnd_time_Picker.getText().toString();
teacherName = holder.txtteacher.getText().toString();
if (holder.radioButtonPresent.isChecked()) {
status = holder.radioButtonPresent.getText().toString();
holder.dataBaseHelper.insertData(teacherName, status, startTime, endTime);
Toast.makeText(rowView.getContext(), teacher_name[position] + " is " + status, Toast.LENGTH_SHORT).show();
} else if (holder.radioButtonAbsent.isChecked()) {
status = holder.radioButtonAbsent.getText().toString();
holder.dataBaseHelper.insertData(teacherName, status, startTime, endTime);
Toast.makeText(rowView.getContext(), teacher_name[position] + " is " + status, Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(rowView.getContext(), "Teacher Status is not Mark", Toast.LENGTH_SHORT).show();
}
}
});
holder.spinner_teacher_name.setVisibility(View.INVISIBLE);
holder.txtteacher.setVisibility(View.VISIBLE);
holder.spinner_teacher_name.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
for (int a = 0; a < position; a++) {
holder.txtteacher.setText(teacher_name[position]);
holder.spinner_teacher_name.setVisibility(View.INVISIBLE);
holder.txtteacher.setVisibility(View.VISIBLE);
holder.radioButtonPresent.setChecked(true);
holder.etxtEnd_time_Picker.setVisibility(View.VISIBLE);
holder.etxtStart_time_Picker.setVisibility(View.VISIBLE);
}
}
public void onNothingSelected(AdapterView<?> parent) {
}
});
holder.etxtStart_time_Picker.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
TimePickerDialog.OnTimeSetListener tim = new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
// TODO Auto-generated method stub
holder.etxtStart_time_Picker.setText(hourOfDay + " : " + minute);
}
};
new TimePickerDialog(context, tim, c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE), true).show();
holder.etxtEnd_time_Picker.setVisibility(View.VISIBLE);
}
});
holder.etxtEnd_time_Picker.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
TimePickerDialog.OnTimeSetListener tim = new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
holder.etxtEnd_time_Picker.setText(hourOfDay + " : " + minute);
}
};
new TimePickerDialog(context, tim, c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE), true).show();
}
});
holder.radioButtonAbsent.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
if (holder.radioButtonAbsent.isChecked())
{
holder.etxtEnd_time_Picker.setVisibility(View.INVISIBLE);
holder.etxtStart_time_Picker.setVisibility(View.INVISIBLE);
holder.spinner_teacher_name.setVisibility(View.VISIBLE);
holder.txtteacher.setVisibility(View.INVISIBLE);
} else if (holder.radioButtonPresent.isChecked()) {
holder.etxtEnd_time_Picker.setVisibility(View.VISIBLE);
holder.etxtStart_time_Picker.setVisibility(View.VISIBLE);
holder.spinner_teacher_name.setVisibility(View.INVISIBLE);
holder.txtteacher.setVisibility(View.VISIBLE);
}
}
});
holder.radioButtonPresent.setOnClickListener(new OnClickListener()
{
public void onClick(View v)
{
if (holder.radioButtonPresent.isChecked()) {
holder.etxtStart_time_Picker.setVisibility(View.VISIBLE);
holder.spinner_teacher_name.setVisibility(View.INVISIBLE);
holder.txtteacher.setVisibility(View.VISIBLE);
} else if (holder.radioButtonAbsent.isChecked()) {
holder.etxtStart_time_Picker.setVisibility(View.INVISIBLE);
holder.etxtEnd_time_Picker.setVisibility(View.INVISIBLE);
holder.spinner_teacher_name.setVisibility(View.VISIBLE);
holder.txtteacher.setVisibility(View.INVISIBLE);
}
}
});
return rowView;
}
public class Holder
{
TextView txtlt, txtteacher;
RadioButton radioButtonPresent, radioButtonAbsent;
EditText etxtStart_time_Picker,etxtEnd_time_Picker;
Spinner spinner_teacher_name, spinnerDays;
ImageButton submitAttendance;
RadioGroup radioButton_Group_PresentAbsent;
DataBaseHelper dataBaseHelper;
}
}
I read a blog to get help for my problem i have got. i want to share link where from i got help from this link
and i got this reference form this link
this class is CustomAdapter and it is extends BaseAdapter
Holder holder = new Holder();
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
if (convertView == null) {
// TODO Auto-generated method stub
final View rowView;
convertView = inflater.inflate(R.layout.row_layout, null);
holder.radioButton_Group_PresentAbsent = (RadioGroup) convertView.findViewById(R.id.radioButton_group_PresentAbsent);
holder.radioButtonPresent = (RadioButton) convertView.findViewById(R.id.radioButton_present);
holder.txtlt = (TextView) convertView.findViewById(R.id.text_Lt);
holder.txtteacher = (TextView) convertView.findViewById(R.id.text_teacher_name);
holder.radioButtonAbsent = (RadioButton) convertView.findViewById(R.id.radioButton_absent);
holder.txtStart_time_Picker = (TextView) convertView.findViewById(R.id.txtStartTimePicker);
holder.txtStart_time_Picker.setFocusable(false);
holder.txtEnd_time_Picker = (TextView) convertView.findViewById(R.id.txtEndTimePicker);
holder.txtEnd_time_Picker.setFocusable(false);
holder.txtlt.setText(class_room[position]);
holder.txtteacher.setText(teacher_name[position]);
holder.submitAttendance = (ImageButton) convertView.findViewById(R.id.submit_Attendance);
holder.submitAttendance.setVisibility(View.VISIBLE);
holder.spinner_teacher_name = (Spinner) convertView.findViewById(R.id.spinner_teacher_name);
arrayAdapter1 = new ArrayAdapter<String>(context, android.R.layout.simple_spinner_item, teacher_name);
arrayAdapter1.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
holder.spinner_teacher_name.setAdapter(arrayAdapter1);
holder.submitAttendance.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
String teacherName, status = null, startTime, endTime;
holder.dataBaseHelper = new DataBaseHelper(v.getContext());
startTime = holder.txtStart_time_Picker.getText().toString();
endTime = holder.txtEnd_time_Picker.getText().toString();
teacherName = holder.txtteacher.getText().toString();
DataBaseHelper ds = new DataBaseHelper(context);
if (holder.radioButtonPresent.isChecked()) {
status = holder.radioButtonPresent.getText().toString();
holder.dataBaseHelper.insertData(teacherName, status, startTime, endTime);
Toast.makeText(context, teacher_name[position] + " is " + status, Toast.LENGTH_SHORT).show();
} else if (holder.radioButtonAbsent.isChecked()) {
status = holder.radioButtonAbsent.getText().toString();
holder.dataBaseHelper.insertData(teacherName, status, startTime, endTime);
Toast.makeText(context, teacher_name[position] + " is " + status, Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(context, "Teacher Status is not Mark", Toast.LENGTH_SHORT).show();
}
}
});
holder.spinner_teacher_name.setVisibility(View.INVISIBLE);
holder.txtteacher.setVisibility(View.VISIBLE);
holder.spinner_teacher_name.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
for (int a = 0; a < position; a++) {
holder.txtteacher.setText(teacher_name[position]);
holder.spinner_teacher_name.setVisibility(View.INVISIBLE);
holder.txtteacher.setVisibility(View.VISIBLE);
holder.radioButtonPresent.setChecked(true);
holder.txtEnd_time_Picker.setVisibility(View.VISIBLE);
holder.txtStart_time_Picker.setVisibility(View.VISIBLE);
}
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
});
holder.txtStart_time_Picker.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
TimePickerDialog.OnTimeSetListener tim = new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
// TODO Auto-generated method stub
holder.txtStart_time_Picker.setText(hourOfDay + " : " + minute);
}
};
new TimePickerDialog(context, tim, c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE), true).show();
holder.txtEnd_time_Picker.setVisibility(View.VISIBLE);
}
});
holder.txtEnd_time_Picker.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
TimePickerDialog.OnTimeSetListener tim = new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
// TODO Auto-generated method stub
holder.txtEnd_time_Picker.setText(hourOfDay + " : " + minute);
}
};
new TimePickerDialog(context, tim, c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE), true).show();
}
});
holder.radioButtonAbsent.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (holder.radioButtonAbsent.isChecked()) {
holder.txtEnd_time_Picker.setVisibility(View.INVISIBLE);
holder.txtStart_time_Picker.setVisibility(View.INVISIBLE);
holder.spinner_teacher_name.setVisibility(View.VISIBLE);
holder.txtteacher.setVisibility(View.INVISIBLE);
} else if (holder.radioButtonPresent.isChecked()) {
holder.txtEnd_time_Picker.setVisibility(View.VISIBLE);
holder.txtStart_time_Picker.setVisibility(View.VISIBLE);
holder.spinner_teacher_name.setVisibility(View.INVISIBLE);
holder.txtteacher.setVisibility(View.VISIBLE);
}
}
});
holder.radioButtonPresent.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (holder.radioButtonPresent.isChecked()) {
holder.txtStart_time_Picker.setVisibility(View.VISIBLE);
holder.spinner_teacher_name.setVisibility(View.INVISIBLE);
holder.txtteacher.setVisibility(View.VISIBLE);
} else if (holder.radioButtonAbsent.isChecked()) {
holder.txtStart_time_Picker.setVisibility(View.INVISIBLE);
holder.txtEnd_time_Picker.setVisibility(View.INVISIBLE);
holder.spinner_teacher_name.setVisibility(View.VISIBLE);
holder.txtteacher.setVisibility(View.INVISIBLE);
}
}
});
convertView.setTag(holder);
convertView.setTag(R.id.radioButton_group_PresentAbsent, holder.radioButton_Group_PresentAbsent);
convertView.setTag(R.id.radioButton_present, holder.radioButtonPresent);
convertView.setTag(R.id.text_Lt, holder.txtlt);
convertView.setTag(R.id.radioButton_present, holder.radioButtonPresent);
convertView.setTag(R.id.text_teacher_name, holder.txtteacher);
convertView.setTag(R.id.radioButton_absent, holder.radioButtonAbsent);
convertView.setTag(R.id.txtStartTimePicker, holder.txtStart_time_Picker);
convertView.setTag(R.id.txtEndTimePicker, holder.txtEnd_time_Picker);
convertView.setTag(R.id.submit_Attendance, holder.submitAttendance);
convertView.setTag(R.id.spinner_teacher_name, holder.spinner_teacher_name);
}
else
{
holder = (Holder) convertView.getTag();
}
holder.radioButtonPresent.setTag(position);
holder.radioButtonAbsent.setTag(position);
return convertView;
}
public class Holder
{
protected TextView txtlt, txtteacher;
RadioButton radioButtonPresent, radioButtonAbsent;
TextView txtStart_time_Picker,txtEnd_time_Picker;
Spinner spinner_teacher_name, spinnerDays;
ImageButton submitAttendance;
RadioGroup radioButton_Group_PresentAbsent;
DataBaseHelper dataBaseHelper;
}
i work very hard to get this solution finally i got now i want to share on this website cause i also got lot of solutions form this website.