Its about an app for taking quick short notes "Simple ToDo"

1. INTRODUCING ANDROID APP
Simple ToDo
Developer
Mohd Ikram
Kartikeya VermaPPT Design

2. ANDROID APPLICATION
Simple ToDo
MainActivity SecondActivity

3. activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"
android:id="@+id/SimpleToDo">
<ListView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/listView"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true"
android:layout_above="@+id/btnAdd"
android:textFilterEnabled="false"
android:visibility="visible" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Add"
android:id="@+id/btnAdd"
android:layout_alignParentBottom="true"
android:layout_alignParentEnd="true" />
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/btnText"
android:hint="Enter new Item"
android:layout_alignParentBottom="true"
android:layout_alignParentStart="true"
android:layout_toStartOf="@+id/btnAdd"/>
</RelativeLazyout>

4. activity_second.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context="com.interviewassignment.ikram.simpletodo.SecondActivity">
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/btnSecondText"
android:layout_marginTop="91dp"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true"
android:layout_alignParentEnd="true" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Save"
android:layout_below="@+id/btnSecondText"
android:id="@+id/btnsave"
android:layout_marginStart="70dp"
android:layout_alignTop="@+id/btndelete"
android:layout_alignParentStart="true" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Delete"
android:layout_below="@+id/btnSecondText"
android:id="@+id/btndelete"
android:layout_centerVertical="true"
android:layout_toEndOf="@+id/btnsave"
android:layout_marginStart="50dp" />
</RelativeLayout>

5. Main activity
btnClick.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
/*getting the data from edit text and converting to String.*/
String textToDisplay = textInput.getText().toString();
/*leading and trailing whitespace omitted.*/
textToDisplay = textToDisplay.trim();
/*if text in edit text is not empty then it will add text dynamically to
listview otherwise it's won't add.*/
if (!textToDisplay.isEmpty()) {
arrayList.add(textToDisplay); //dynamically add String to arrayList
Toast.makeText(getApplicationContext(), "Item Saved", Toast.LENGTH_LONG).show();
} else {
Toast.makeText(getApplicationContext(), "Please Insert Text",
Toast.LENGTH_LONG).show();
}
/*reset the edit text to empty string*/
textInput.setText("");
}
});
• Enter text here
• Tap on “ADD” button
• Text added to list
Following action will take place after clicking ADD button in main activity

6. Main activity
list.setOnItemClickListener(new AdapterView.OnItemClickListener(){
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
/*A toast provides simple feedback about which item is clicked and it's position in a
small popup*/
Toast.makeText(getApplicationContext(), "" + (position+1) +") " +
arrayList.get(position) , Toast.LENGTH_SHORT).show();
/* getting text of item on which we clicked on ListView on screen */
String copyData = arrayList.get(position);
/* creating an intent to launch a new activity */
Intent intent = new Intent(getApplicationContext(),SecondActivity.class);
/* putting the data in the intent to send */
intent.putExtra("myOriginalKey",copyData);
intent.putExtra("myKeyPosition",position);
/* start the activity */
startActivityForResult(intent, Edit_Mode );
}
});
 Tap on a particular item to edit/delete in another activity
Following action will take place after Tapping on any the item from list

7. Second activity
btnSave.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View v) {
/* getting the data from edit text and convert it to String. */
String editedText = textcopy.getText().toString();
Toast.makeText(getApplicationContext(), "New Text Saved" ,
Toast.LENGTH_SHORT).show();
/* After getting the data from edit text and reset it to empty
String. */
textcopy.setText("");
Intent intent = new Intent();
/* putting the data in the intent to send */
intent.putExtra("myEditedKey",editedText);
intent.putExtra("myEditedKeyPosition",position);
setResult( RESULT_EDIT , intent);
SecondActivity.this.finish();
}
});
• Tap item to edit • Then edit
• Tap on “SAVE” button
• Auto return to list
Following action will take place after clicking SAVE button in Second activity

8. btnDelete.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(getApplicationContext(), "Text Deleted",
Toast.LENGTH_LONG).show();
/* Reset edit text box to empty string */
textcopy.setText("");
Intent intent = new Intent();
/* putting the data in the intent to send */
intent.putExtra("myEditedKeyPosition",position);
setResult(RESULT_DELETE, intent);
SecondActivity.this.finish();
}
});
• Tap item to edit • Tap on “DELETE” button • Auto return to list
Second activity
Following action will take place after clicking DELETE button in Second activity

9. Thank you