Activity_main.xml:
<?xml version="1.0"
encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<TextView android:id="@+id/tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:baselineAligned="false"
android:text="Activity Life Cycle State" android:textSize="25sp"
/>
</LinearLayout>
Layout Preview:
MainActivity.java:
package
com.uday.android.a5a4_lc3;
import androidx.appcompat.app.AppCompatActivity;
import
android.os.Bundle;
import
android.widget.TextView;
public class MainActivity extends AppCompatActivity
{
TextView tv;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState); setContentView(R.layout.activity_main);
tv = findViewById(R.id.tv);
tv.setText("On Create\n");
}
@Override
protected void onStart()
{
super.onStart(); tv.append("On
Start\n");
}
@Override
protected void onRestart()
{
super.onRestart(); tv.append("On
Restart\n");
}
@Override
protected void onResume()
{
super.onResume();
tv.append("On
Resume\n");
}
@Override
protected void onPause()
{
super.onPause();
tv.append("On
Pause\n");
}
@Override
protected void onStop()
{
super.onStop(); tv.append("On Stop\n");
}
@Override
protected void onDestroy()
{
super.onDestroy();
tv.setText("On
Destroy\n");
}
}
Output:

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