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Start your free trialArun Kumar
3,750 PointsGot stuck on challenge 4 of 4 Android Activity Lifecycle
Not sure what is wrong here i retrieve the value in a boolean and set the checkbox value to that of retrived boolean value and the default value is set to false
import android.view.View;
import android.os.Bundle;
public class MainActivity extends Activity {
private static final String PREFS_FILE = "com.packagename.preferences";
private static final String KEY_CHECKBOX = "KEY_CHECKBOX";
private SharedPreferences.Editor mEditor;
private SharedPreferences mSharedPreferences;
public CheckBox mCheckBox;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mCheckBox = (CheckBox) findViewById(R.id.checkBox);
mSharedPreferences = getSharedPreferences(PREFS_FILE, Context.MODE_PRIVATE);
mEditor = mSharedPreferences.edit();
boolean check = SharedPreferences.getBoolean(KEY_CHECKBOX,false);
mCheckBox.setChecked(check);
}
@Override
protected void onPause() {
super.onPause();
mEditor.putBoolean(KEY_CHECKBOX, mCheckBox.isChecked());
mEditor.apply();
}
}
1 Answer
Kourosh Raeen
23,733 PointsYou are calling getBoolean on the SharedPreferences class. Instead, call it on mSharedPreferences:
boolean check = mSharedPreferences.getBoolean(KEY_CHECKBOX,false);
Arun Kumar
3,750 PointsArun Kumar
3,750 PointsThanks!! Didn't notice that !programming without an IDE makes it tough to find what went wrong!