如何将动态列添加到我的表？
我的应用程序中有一个表单，我正在以编程方式创建textview和edittext，根据用户要求，用户可以创建一些textview和edittext，点击添加按钮，现在问题是我无法存储所有动态创建的textview和edittexts的值到我的表...值nameofevent，日期，时间，持续时间正确存储在我的表中..以下是我的表单的图像..任何人都可以告诉错误是什么？
Mainactivity.java
public class MainActivity extends Activity {
private Button addnewdata;
private Button submit;
private EditText edtnmofevent;
private EditText edtdtofevent;
private EditText edttmofevent;
private EditText edtdurationofevent;
private LinearLayout lnr;
private TextView valueTV;
private EditText edtvalues;
int totalFields = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
addnewdata = (Button) findViewById(R.id.addnewdata);
submit = (Button) findViewById(R.id.btnsubmit);
edtnmofevent = (EditText) findViewById(R.id.edtnameofevent);
edtdtofevent = (EditText) findViewById(R.id.edtdateofevent);
edttmofevent = (EditText) findViewById(R.id.edttimeofevent);
edtdurationofevent = (EditText) findViewById(R.id.edtdurationofevent);
addnewdata.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
LayoutInflater li = LayoutInflater.from(MainActivity.this);
View promptsView = li.inflate(R.layout.prompts, null);
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(
MainActivity.this);
alertDialogBuilder.setView(promptsView);
final EditText userInput = (EditText) promptsView
.findViewById(R.id.editTextDialogUserInput);
alertDialogBuilder
.setCancelable(false)
.setPositiveButton("OK",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
lnr = (LinearLayout) findViewById(R.id.addnewlinear);
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
lp.setMargins(25, 0, 0, 0);
valueTV = new TextView(MainActivity.this);
// valueTV.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
valueTV.setText(userInput.getText());
valueTV.setLayoutParams(lp);
valueTV.setTextSize(18);
valueTV.setTextColor(Color.parseColor("#2d6cae"));
LinearLayout.LayoutParams lp1 = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
lp1.setMargins(25, 0, 25, 0);
lp1.height = 50;
edtvalues = new EditText(MainActivity.this);
edtvalues.setBackgroundResource(R.drawable.rect_edt);
edtvalues.setLayoutParams(lp1);
lnr.addView(valueTV);
lnr.addView(edtvalues);
}
})
.setNegativeButton("Cancel",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
}
});
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();
}
});
submit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String edcity=edtnmofevent.getText().toString();
String dtofevent = edtdtofevent.getText().toString();
String timeofevent = edttmofevent.getText().toString();
String duration = edtdurationofevent.getText().toString();
queries q=new queries(MainActivity.this);
// q.insert(edcity, dtofevent, timeofevent, duration);
String dlabl=valueTV.getText().toString();
String dedt=edtvalues.getText().toString();
q.insertevnt(dlabl,dedt);
System.out.print("values of textand edit"+valueTV.getText().toString());
Intent intent = new Intent(MainActivity.this, SecondActivity.class);
startActivity(intent);
}
});
}
}
queries.java
public class queries {
SQLiteDatabase sd;
public queries(Context c)
{
db_handler dh=new db_handler(c);
sd=dh.getWritableDatabase();
}
public void insert(String city,String dateofevent,String timeofevent,String durationofevent)
{
String query="insert into tbl_spin(city,dateofevent,timeofevent,durationofevent)values('"+city+"','"+dateofevent+"','"+timeofevent+"','"+durationofevent+"')";
sd.execSQL(query);
}
public Cursor select()
{
// String query="select tbl_spin.city from tbl_spin INNER JOIN tbl_event ON tbl_spin.id=tbl_event.id";
String query="select * from tbl_event";
//String query="select city from tbl_spin CROSS JOIN tbl_event";
Cursor c= sd.rawQuery(query, null);
return c;
}
public void insertevnt(String txtofevent,String edtofevent)
{
String querys="insert into tbl_event(txtofevent,edtofevent)values('"+txtofevent+"','"+edtofevent+"')";
sd.execSQL(querys);
}
/*public Cursor selectevent()
{
String querys="select * from tbl_event";
Cursor c= sd.rawQuery(querys, null);
return c;
}*/
}
activity_main
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/white"
>
<RelativeLayout
android:id="@+id/header"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:background="#000000"
android:gravity="center"
>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="5dp"
android:text="IT ADD$"
android:id="@+id/itaddestxt"
android:textColor="#ffffff"
android:textStyle="bold"
android:textSize="20sp" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="5dp"
android:text="UP"
android:textColor="#ffffff"
android:layout_toRightOf="@+id/itaddestxt"
android:textSize="20sp" />
</RelativeLayout>
<ScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/header"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:id="@+id/addnewlinear"
android:orientation="vertical"
>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ADD NEW EVENT"
android:layout_marginTop="10dp"
android:textSize="15dp"
android:id="@+id/txtaddnewevent"
android:textColor="#73b5fa"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_gravity="center_horizontal" />
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/txtaddnewevent"
android:layout_marginTop="10dp"
android:id="@+id/bluelines"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Name of Event:*"
android:layout_below="@+id/bluelines"
android:layout_marginTop="20dp"
android:layout_marginLeft="15dp"
android:textSize="18dp"
android:textColor="#2d6cae"
android:id="@+id/txtnameofevent"
/>
<EditText
android:layout_width="match_parent"
android:layout_height="30dp"
android:id="@+id/edtnameofevent"
android:layout_below="@+id/txtnameofevent"
android:layout_marginLeft="15dp"
android:layout_marginTop="5dp"
android:layout_marginRight="15dp"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Date of Event:*"
android:layout_below="@+id/edtnameofevent"
android:layout_marginTop="5dp"
android:layout_marginLeft="15dp"
android:textSize="18dp"
android:textColor="#2d6cae"
android:id="@+id/txtdateofevent"
/>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/txtdateofevent"
android:layout_marginLeft="15dp"
android:layout_marginTop="5dp"
android:id="@+id/reledtdate"
>
<EditText
android:layout_width="250dp"
android:layout_height="30dp"
android:id="@+id/edtdateofevent"
/>
<ImageView
android:layout_width="20dp"
android:layout_height="20dp"
android:layout_toRightOf="@+id/edtdateofevent"
android:layout_marginLeft="10dp"
android:id="@+id/calndrdat"
/>
</RelativeLayout>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Time of Event:*"
android:layout_below="@+id/reledtdate"
android:layout_marginTop="5dp"
android:layout_marginLeft="15dp"
android:textSize="18dp"
android:textColor="#2d6cae"
android:id="@+id/txttimeofevent"
/>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/txttimeofevent"
android:layout_marginLeft="15dp"
android:layout_marginTop="5dp"
android:id="@+id/reledttime"
>
<EditText
android:layout_width="250dp"
android:layout_height="30dp"
android:id="@+id/edttimeofevent"
/>
<ImageView
android:layout_width="20dp"
android:layout_height="20dp"
android:layout_toRightOf="@+id/edttimeofevent"
android:layout_marginLeft="10dp"
android:id="@+id/timepickrs"
/>
</RelativeLayout>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Duration of Event:*"
android:layout_below="@+id/edttimeofevent"
android:layout_marginTop="5dp"
android:layout_marginLeft="15dp"
android:textSize="18dp"
android:textColor="#2d6cae"
android:id="@+id/txtdurationofevent"
/>
<EditText
android:layout_width="match_parent"
android:layout_height="30dp"
android:id="@+id/edtdurationofevent"
android:layout_below="@+id/txtdurationofevent"
android:layout_marginLeft="15dp"
android:layout_marginTop="5dp"
android:layout_marginRight="15dp"
/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/edtdurationofevent"
android:layout_marginLeft="15dp"
android:layout_marginTop="10dp"
android:paddingBottom="10dp"
android:id="@+id/addnewdata"
android:text="Add"
/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Submit"
android:textColor="@android:color/white"
android:layout_gravity="center"
android:id="@+id/btnsubmit"
/>
</LinearLayout>
</ScrollView>
</RelativeLayout>
db_handler
public class db_handler extends SQLiteOpenHelper{
public db_handler(Context context
) {
super(context, "databs.db", null, 1);
// TODO Auto-generated constructor stub
}
@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL("create table tbl_spin(id integer primary key autoincrement,city text,dateofevent text,timeofevent text,durationofevent text)");
db.execSQL("create table tbl_event(id integer primary key autoincrement,txtofevent text,edtofevent text)");
// db.execSQL("CREATE TABLE COMPANY(ID INT PRIMARY KEY NOT NULL,NAME CHAR(50) NOT NULL,AGE CHAR(50) NOT NULL,ADDRESS CHAR(50) NOT NULL,SALARY CHAR(50) NOT NULL);");
// db.execSQL("CREATE TABLE DEPARTMENT(ID INT PRIMARY KEY NOT NULL,DEPT CHAR(50) NOT NULL,EMP_ID INT NOT NULL);");
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
}
0 个答案:
没有答案
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