What does put extra do?

Intent i = new Intent(FirstScreen.this, SecondScreen.class);   
String keyIdentifer  = null;
i.putExtra("STRING_I_NEED", strName);

Source: stackoverflow.com

What does put extra do?

String newString
if (savedInstanceState == null) {
    extras = getIntent().getExtras();
    if(extras == null) {
        newString= null;
    } else {
        newString= extras.getString("STRING_I_NEED");
    }
} else {
    newString= (String) savedInstanceState.getSerializable("STRING_I_NEED");
}

Source: stackoverflow.com

Similar codes

3 votes225 views3 answers
Convert kotlin to java online
Java
1 vote188 views2 answers
Java first day of week
Java
2 votes196 views1 answer
Appcompatdelegate.setdefaultnightmode(appcompatdelegate.mode_night_yes) not working
Java
0 vote217 views2 answers
Char array to arraylist java
Java
1 vote198 views1 answer
How to check if location is enabled android
Java
9 votes236 views2 answers
Java input character
Java
0 vote214 views1 answer
Java final modifier on method
Java
0 vote235 views1 answer
Java get year difference between two dates
Java
12 votes194 views5 answers
Array to array list java
Java
10 votes207 views4 answers
How to find the sum of an array in java
Java