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Code Issues Releases Wiki Activity

Reject empty strings in Preferences for numeric inputs

here
Andreas Shimokawa 2016-04-25 23:51:58 +02:00
parent 47984dba0a
commit e1551226f6
1 changed files with 10 additions and 0 deletions
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10
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/AbstractSettingsActivity.java
View File

@ -2,6 +2,7 @@ package nodomain.freeyourgadget.gadgetbridge.activities;
import android.content.res.Configuration;
import android.os.Bundle;
import android.preference.EditTextPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
@ -12,6 +13,7 @@ import android.support.v4.app.NavUtils;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatDelegate;
import android.support.v7.widget.Toolbar;
import android.text.InputType;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
@ -41,6 +43,14 @@ public abstract class AbstractSettingsActivity extends PreferenceActivity {
private static class SimpleSetSummaryOnChangeListener implements Preference.OnPreferenceChangeListener {
@Override
public boolean onPreferenceChange(Preference preference, Object value) {
if (preference instanceof EditTextPreference) {
if (((EditTextPreference) preference).getEditText().getKeyListener().getInputType() == InputType.TYPE_CLASS_NUMBER) {
if ("".equals(String.valueOf(value))) {
// reject empty numeric input
return false;
}
}
}
updateSummary(preference, value);
return true;
}