How to make Numeric Edit Text default to blank and then use getText - android-edittext

Question

Please Help!I have Edit Text field whose inputType is number. On the click of Submit button in the firstActivity I want to send the value via Bundle to next activity. I want to make the field compulsory. Before sending the value I am checking if the EditText is blank. if its blank I want to give a Toast message that "Please enter number". I am using below code line to get the numeric text
editTextValue= (EditText) findViewById(R.id.edit_attendance);
editTextValue.setText("0");
var1 = Integer.valueOf((editTextValue.getText().toString()));
For this code to work I have to first set the default value to 0
But due to this when user is entering value in this EditText, he has to first erase 0 and then enter number. I dont want to set it to 0 value. Is there any other way to make this work.
Below is my Code in XML:
<EditText
android:id="#+id/edit_1"
android:layout_marginLeft="5sp"
android:layout_width="100sp"
android:layout_height="wrap_content"
android:inputType="number"
android:hint="0"
android:textColor="#android:color/white" />
FirstActivity.java
onCreate(){
editTextValue = (EditText) findViewById(R.id.edit_1);
editTextValue.setText("0");
btnSubmit.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
var1 = Integer.valueOf((editTextValue.getText()
.toString()));
if (var1 == 0) // when no value is entered
Toast.makeText(getApplicationContext(),
"Please enter value",
Toast.LENGTH_SHORT).show();
else
{
Intent i = new Intent(getApplicationContext(),
SecondActivity.class);
dataBundle.putInt(SecondActivity.VAR1,var1);
i.putExtras(dataBundle);
startActivity(i);
}
}

Answer 1

The below code worked for me:
// editTextValue.setText("0");
editTextValue.setOnEditorActionListener(new OnEditorActionListener() {
public boolean onEditorAction(TextView v, int actionId,
KeyEvent event) {
// TODO Auto-generated method stub
if (actionId == EditorInfo.IME_ACTION_DONE) {
var1 = Integer.valueOf((editTextValue
.getText().toString()));
}
return false;
}
});