# Activity states

 An ***activity***  represents a single screen in your app with an interface the user can interact with. For example, an email app might have one activity that shows a list of new emails, another activity to compose an email, and another activity for reading individual messages.

![](/files/-L_LtNWqwmbna4hF0cNu)

#### Create 

```
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // The activity is being created.
}
```

#### Start

```
@Override
protected void onStart() {
    super.onStart();
    // The activity is about to become visible.
}
```

#### Resume

```
@Override
protected void onResume() {
    super.onResume();
    // The activity has become visible (it is now "resumed").
}
```

#### Pause

```
@Override
protected void onPause() {
    super.onPause();
    // Another activity is taking focus 
    // (this activity is about to be "paused").
}
```

#### Stop

```
@Override
protected void onStop() {
    super.onStop();
    // The activity is no longer visible (it is now "stopped")
}
```

#### Destroy

```
@Override
protected void onDestroy() {
    super.onDestroy();
    // The activity is about to be destroyed.
}
```

#### Restart

```
@Override
protected void onRestart() {
    super.onRestart();
    // The activity is about to be restarted.
}
```


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