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Start your free trialJonathan Boisvert
4,582 Points./MainActivity.java:24: error: method isChecked in class CheckBox cannot be applied to given types,Trouble with boolean
android activity lifecycle, Challenge 4/4 not finding a solution to this problem, missing the concept here?
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();
}
@Override
protected void onPause () {
super.onPause();
if (mSharedPreferences.getBoolean(KEY_CHECKBOX, mCheckBox.isChecked(false))) {
mCheckBox.setChecked(true);
} else {
mCheckBox.setChecked(false);
}
}
}
1 Answer
Seth Kroger
56,413 PointsisChecked() doesn't take any arguments but I'm not entirely sure you should be using it for a default value. Also you should be saving the in onPause() not setting it from prefs. That should happen in onResume().