Preference Dependencies : Preference « Core Class « Android

1. Android
2. Core Class
3. Preference

Preference Dependencies

   
/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.preference;

import com.example.android.apis.R;

import android.os.Bundle;
import android.preference.PreferenceActivity;

public class PreferenceDependencies extends PreferenceActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        addPreferencesFromResource(R.xml.preference_dependencies);
    }

}

//xml/preference_dependencies.xml



<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2008 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at

          http://www.apache.org/licenses/LICENSE-2.0

     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->

<!-- This is a primitive example showing how some preferences can depend on other preferences. -->
<PreferenceScreen
        xmlns:android="http://schemas.android.com/apk/res/android">

    <PreferenceCategory
            android:title="@string/example_preference_dependency">
            
        <CheckBoxPreference
                android:key="wifi"
                android:title="@string/title_wifi" />
            
        <EditTextPreference
                android:layout="?android:attr/preferenceLayoutChild"
                android:title="@string/title_wifi_settings"
                android:dependency="wifi" />
            
    </PreferenceCategory>
                
</PreferenceScreen>

   
    
    
  

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