更新listview单行并再次显示在该列表视图中 [英] Update the listview single row and display in that listview again

问题描述

我在sqlite中使用edittext插入值并在listview中显示...之后我点击listview中的单行并且单行值再次显示在之前的edittext中..现在我想更新此edittext来自listview的价值。请有人告诉我怎么做？



< Intent intent = getIntent（）;

name = intent.getStringExtra（Name）;

desg = intent.getStringExtra（Designation）;



nam =（EditText）findViewById（R.id.NameEditText）;

des =（EditText）findViewById（R.id.desgEditText）;



nam.setText（name）;

des.setText（desg）;





insertButton.setOnClickListener（new View.OnClickListener（）{

@Override

public void onClick（View v）{

String employeename = nameEditText.getText（）。toString（）;

int employeeno = Integer.parseInt（noEditText.getText（）。toString（））;

字符串指定= desgEditText.getText（）。toString（）;



dbhelper.insertIntoEmployeeTable（employeename，designation，employeeno）;

Log .V（E mp_Name，employeename）;

Log.v（Emp_no，String.valueOf（employeeno））;

Log.v（Emp_Desg，名称）;

Toast.makeText（getBaseContext（），你的数据被插入，Toast.LENGTH_SHORT）.show（）;

}

}）;

updateButton.setOnClickListener（new View.OnClickListener（）{

@Override

public void onClick（View v）{

String employeename = nam.getText（）。toString（）;

int employeeno = Integer.parseInt（noEditText.getText（）。toString（））;

字符串指定= des.getText（）。toString（）;



dbhelper.updateIntoEmployeeTable（employeename，designation，employeeno）;

日志。 v（updateEmp_Name，employeename）;

Log.v（updateEmp_no，String.valueOf（employeeno））;

Log.v（updateEmp_Desg，名称）;

Toast.makeText（getBaseContext（），你的数据已更新，Toast.LENGTH_SHORT）。show（）;





}

}）;

displayButton.setOnClickListener（new View.OnClickListener（）{

@Override

public void onClick（View v）{

Intent i = new Intent（MainActivity.this，GridViewActivity.class）;

startActivity（i）; //启动gridview活动以显示记录。

}

}）;

public void updateEmployeeTable（String employeename，String designation，int employeeno）{

open（）;

ContentValues newValues = new ContentValues（）;

Log.v（UpdateEmployee，employeename +++指定）;



newValues.put（fld_employeename ，employeename）;

newValues.put（fld_designation，指定）;

newValues.put（fld_employeeno，employeeno）;



int update = db.update（tbl_employee，newValues，null，null）;

db.close（）;

日志。 v（Update_Query，String.valueOf（update））;

}



ArrayList

i am inserting the value using edittext in sqlite and displaying it in listview...after that i clicked on a single row in listview and that single row values are displaying in previous edittext again..now i want to update this edittext value that is coming from listview. Please anyone tell me how to do this?

< Intent intent = getIntent();
name = intent.getStringExtra("Name");
desg = intent.getStringExtra("Designation");

nam= (EditText)findViewById(R.id.NameEditText);
des= (EditText)findViewById(R.id.desgEditText);

nam.setText(name);
des.setText(desg);


insertButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String employeename =nameEditText.getText().toString();
int employeeno =Integer.parseInt(noEditText.getText().toString());
String designation =desgEditText.getText().toString();

dbhelper.insertIntoEmployeeTable(employeename, designation, employeeno);
Log.v("Emp_Name", employeename);
Log.v("Emp_no", String.valueOf(employeeno));
Log.v("Emp_Desg", designation);
Toast.makeText(getBaseContext(), "Your data is inserted",Toast.LENGTH_SHORT).show();
}
});
updateButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String employeename =nam.getText().toString();
int employeeno =Integer.parseInt(noEditText.getText().toString());
String designation =des.getText().toString();

dbhelper.updateIntoEmployeeTable(employeename, designation, employeeno);
Log.v("updateEmp_Name", employeename);
Log.v("updateEmp_no", String.valueOf(employeeno));
Log.v("updateEmp_Desg", designation);
Toast.makeText(getBaseContext(), "Your data is updated",Toast.LENGTH_SHORT).show();


}
});
displayButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent i=new Intent(MainActivity.this,GridViewActivity.class);
startActivity(i);//start gridview activity to show the records.
}
});
public void updateEmployeeTable(String employeename, String designation, int employeeno){
open();
ContentValues newValues = new ContentValues();
Log.v("UpdateEmployee", employeename + " " + " " + designation);

newValues.put("fld_employeename", employeename);
newValues.put("fld_designation", designation);
newValues.put("fld_employeeno", employeeno);

int update = db.update("tbl_employee", newValues,null, null);
db.close();
Log.v("Update_Query", String.valueOf(update));
}

ArrayList

推荐答案

您需要查看 startActivityForResults [ ^ ]



这是一个例子



意图 - 安卓 - Stack Overflow [ ^ ]

You need to look at startActivityForResults[^]

Here is an example

Intent - Android - Stack Overflow[^]

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