I have created an XML for a listview(activity_main.xml) and another XML for its row(custom_row.xml).I am using SimpleCursorAdapter to fetch the data to the listview.Now I want to use a checkbox which I created in custom_row.xml into the MainActivity. How to do this ?
My code:
custom_row.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://ift.tt/nIICcg"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceSmall"
android:text="Small Text"
android:id="@+id/title"
android:textSize="17dp"
android:textColor="#008080"
android:layout_marginTop="8dp"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginLeft="20dp" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceSmall"
android:text="Small Text"
android:textSize="15dp"
android:layout_marginTop="3dp"
android:textStyle="italic"
android:textColor="#6d7b8d"
android:id="@+id/date"
android:layout_below="@+id/title"
android:layout_alignLeft="@+id/title"
android:layout_alignStart="@+id/title" />
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_marginTop="11dp"
android:layout_below="@+id/date"
android:background="#b6b6b4"
android:id="@+id/view" />
<CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/checkBox"
android:layout_marginTop="5dp"
android:focusable="false"
android:visibility="invisible"
android:layout_alignTop="@+id/title"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true" />
</RelativeLayout>
activity_main.xml
<RelativeLayout xmlns:android="http://ift.tt/nIICcg"
xmlns:tools="http://ift.tt/LrGmb4"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff"
tools:context=".MainActivity">
<ListView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="1dp"
android:id="@+id/notesList"
android:layout_alignBottom="@id/android:empty" />
<ImageView
android:layout_width="50dp"
android:layout_height="50dp"
android:id="@+id/add"
android:background="@drawable/add"
android:clickable="true"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true" />
<TextView android:id="@id/android:empty"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="Empty"
android:textStyle="bold"
android:textSize="15dp"
android:textColor="#008080"
android:layout_marginTop="200dp"
android:layout_marginLeft="150dp"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Delete"
android:visibility="invisible"
android:id="@+id/listitem_delete"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true" />
</RelativeLayout>
MainActivity.java
package com.example.hp.notes;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Resources;
import android.database.Cursor;
import android.graphics.Typeface;
import android.support.v4.widget.SimpleCursorAdapter;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.SparseBooleanArray;
import android.view.ContextMenu;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import java.util.ArrayList;
public class NotesListActivity extends AppCompatActivity {
ListView notes;
Button delete;
CheckBox cb;
private Typeface mCustomFont;
SparseBooleanArray mCheckStates ;
SimpleCursorAdapter notes_cur;
private int mNoteNumber = 1;
private static final int ACTIVITY_CREATE=0;
private static final int ACTIVITY_EDIT=1;
private NotesDbAdapter mDbHelper;
ImageView add;
public NotesListActivity notesListActivity = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
notes=(ListView)findViewById(R.id.notesList);
delete=(Button)findViewById(R.id.listitem_delete);
add=(ImageView)findViewById(R.id.add);
notes.setEmptyView(findViewById(android.R.id.empty));
notesListActivity = this;
mDbHelper = new NotesDbAdapter (this);
mDbHelper.open();
fillData();
// setListData();
Resources res =getResources();
notes.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Intent i = new Intent(NotesListActivity.this, NotesEditActivity.class);
i.putExtra(NotesDbAdapter.KEY_ROWID, id);
startActivityForResult(i, ACTIVITY_EDIT);
}
});
add.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
createNote();
}
});
delete.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
SparseBooleanArray checkedItemPositions = notes.getCheckedItemPositions();
int itemCount = notes.getCount();
for(int i=itemCount-1; i >= 0; i--){
if(checkedItemPositions.get(i)){
mDbHelper.deleteNote(View.NO_ID);
}
}
checkedItemPositions.clear();
notes_cur.notifyDataSetChanged();;
}
});
registerForContextMenu(notes);
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
if (v.getId() == R.id.notesList) {
super.onCreateContextMenu(menu, v, menuInfo);
menu.setHeaderTitle("Select");
MenuInflater mi = getMenuInflater();
mi.inflate(R.menu.list_menu_item_longpress, menu);
menu.add(0, v.getId(), 0, "Edit");
menu.add(0, v.getId(), 0, "Hide");
menu.add(0,v.getId(),0,"Change Priority");
}
}
@Override
public boolean onContextItemSelected(MenuItem item) {
switch(item.getItemId()) {
case R.id.menu_delete:
final AdapterView.AdapterContextMenuInfo info =
(AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
AlertDialog.Builder alertDialog = new AlertDialog.Builder(this);
// Setting Dialog Title
alertDialog.setTitle("Confirm Delete...");
// Setting Dialog Message
alertDialog.setMessage("Are you sure you want delete this?");
// Setting Icon to Dialog
alertDialog.setIcon(R.drawable.delete);
// Setting Positive "Yes" Button
alertDialog.setPositiveButton("YES", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
mDbHelper.deleteNote(info.id);
fillData();
}
});
// Setting Negative "NO" Button
alertDialog.setNegativeButton("NO", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// Write your code here to invoke NO event
dialog.cancel();
}
});
// Showing Alert Message
alertDialog.show();
return true;
}
return super.onContextItemSelected(item);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(final MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.delete_note) {
for(int i = 0; i < notes.getChildCount(); i++) {
notes.getChildAt(i).findViewById(R.id.checkBox).setVisibility(View.VISIBLE);
}
}
return super.onOptionsItemSelected(item);
}
private void fillData() {
// Get all of the notes from the database and create the item list
Cursor notesCursor = mDbHelper.fetchAllNotes();
startManagingCursor(notesCursor);
String[] from = new String[] { NotesDbAdapter.KEY_TITLE ,NotesDbAdapter.KEY_DATE};
int[] to = new int[] { R.id.title ,R.id.date};
// Now create an array adapter and set it to display using our row
SimpleCursorAdapter notes_cur =
new SimpleCursorAdapter(this, R.layout.custom_row, notesCursor, from, to);
notes.setAdapter(notes_cur);
}
private void createNote() {
Intent i = new Intent(this, NotesEditActivity.class);
startActivityForResult(i, ACTIVITY_CREATE);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
super.onActivityResult(requestCode, resultCode, intent);
fillData();
}
}
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