package
com.example.savestateofswitch;
import
androidx.appcompat.app.AppCompatActivity;
import
androidx.appcompat.widget.SwitchCompat;
import
android.content.Intent;
import
android.content.SharedPreferences;
import
android.os.Bundle;
import
android.view.View;
import
android.widget.Button;
public
class
MainActivity
extends
AppCompatActivity {
SwitchCompat switchCompat;
Button btNext,btExit;
@Override
protected
void
onCreate(Bundle savedInstanceState) {
super
.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
switchCompat=findViewById(R.id.switch_compat);
btNext=findViewById(R.id.bt_next);
btExit=findViewById(R.id.bt_exit);
SharedPreferences sharedPreferences=getSharedPreferences(
"save"
,MODE_PRIVATE);
switchCompat.setChecked(sharedPreferences.getBoolean(
"value"
,
true
));
switchCompat.setOnClickListener(
new
View.OnClickListener() {
@Override
public
void
onClick(View view) {
if
(switchCompat.isChecked())
{
SharedPreferences.Editor editor=getSharedPreferences(
"save"
,MODE_PRIVATE).edit();
editor.putBoolean(
"value"
,
true
);
editor.apply();
switchCompat.setChecked(
true
);
}
else
{
SharedPreferences.Editor editor=getSharedPreferences(
"save"
,MODE_PRIVATE).edit();
editor.putBoolean(
"value"
,
false
);
editor.apply();
switchCompat.setChecked(
false
);
}
}
});
btNext.setOnClickListener(
new
View.OnClickListener() {
@Override
public
void
onClick(View view) {
Intent intent=
new
Intent(MainActivity.
this
,MainActivity2.
class
);
startActivity(intent);
}
});
btExit.setOnClickListener(
new
View.OnClickListener() {
@Override
public
void
onClick(View view) {
MainActivity.
this
.finishAffinity();
}
});
}
}