[android] PreferenceScreen에 버튼을 추가하는 방법

사실 해결책이 있습니다. 여기에 코드가 있습니다. 이것은 누구에게나 유용 할 것입니다. 화면 해상도와 관계없이 화면 하단에 3 개의 옵션과 2 개의 버튼처럼 보입니다 (가장 낮은 것으로 240을 목표로 함).

package com.myapplication.gui;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceScreen;
import android.view.Display;
import android.view.Gravity;
import android.view.WindowManager;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.ScrollView;
import com.myproject.general.HeightListView;

import com.myapplication.R;

public class FilterActivity extends PreferenceActivity {

    private LinearLayout rootView;
    private LinearLayout buttonView;
    private Button buttonDone;
    private Button buttonRevert;
    private ListView preferenceView;
    private LinearLayout gradientView;
    private ScrollView scrollRoot;

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

        Display display = ((WindowManager) getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
        int height = display.getHeight();
        int width = height > 240 ? display.getWidth() : display.getWidth() - 4;

        scrollRoot = new ScrollView(this);
        scrollRoot.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));

        rootView = new LinearLayout(this);
        rootView.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
        rootView.setOrientation(LinearLayout.VERTICAL);

        buttonView = new LinearLayout(this);
        buttonView.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
        buttonView.setOrientation(LinearLayout.HORIZONTAL);
        buttonView.setGravity(Gravity.BOTTOM);

        gradientView = new LinearLayout(this);
        gradientView.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
        gradientView.setOrientation(LinearLayout.HORIZONTAL);
        gradientView.setBackgroundResource(R.drawable.gradient);
        gradientView.setPadding(0, 5, 0, 0);
        gradientView.setBackgroundResource(R.drawable.gradient);

        buttonDone = new Button(this);
        buttonDone.setText(R.string.filterButton_Done);
        buttonDone.setLayoutParams(new LayoutParams(width/2, LayoutParams.WRAP_CONTENT));
        gradientView.addView(buttonDone);

        buttonRevert = new Button(this);
        buttonRevert.setText(R.string.filterButton_Revert);
        buttonRevert.setLayoutParams(new LayoutParams(width/2, LayoutParams.WRAP_CONTENT));
        gradientView.addView(buttonRevert);

        buttonView.addView(gradientView);

        preferenceView = new HeightListView(this);
        preferenceView.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
        preferenceView.setId(android.R.id.list);

        PreferenceScreen screen = createPreferenceHierarchy();
        screen.bind(preferenceView);
        preferenceView.setAdapter(screen.getRootAdapter());
        rootView.addView(preferenceView);
        rootView.addView(buttonView);

        if (height > 240) {
            this.setContentView(rootView);
        }
        else {
            scrollRoot.addView(rootView);
            this.setContentView(scrollRoot);
        }

        setPreferenceScreen(screen);
    }

    private PreferenceScreen createPreferenceHierarchy() {
        PreferenceScreen root = getPreferenceManager().createPreferenceScreen(this);

        PreferenceScreen pref1 = getPreferenceManager().createPreferenceScreen(this);
        pref1.setKey("pref1");
        pref1.setTitle("Title");
        pref1.setSummary("Summary");
        root.addPreference(pref1);

        PreferenceScreen pref2 = getPreferenceManager().createPreferenceScreen(this);
        pref2.setKey("pref2");
        pref2.setTitle("Title");
        pref2.setSummary("Summary");
        root.addPreference(pref2);

        PreferenceScreen pref3 = getPreferenceManager().createPreferenceScreen(this);
        pref3.setKey("pref3");
        pref3.setTitle("Title");
        pref3.setSummary("Summary");
        root.addPreference(pref3);

        return root;
    }
}

답변

public class SettingActivity extends Activity {

    UserProfileViewModel userProfileViewModel = null;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_setting);
        getFragmentManager().beginTransaction()
                .replace(R.id.content, new SettingsFragment())
                .commit();

    }

    private class SettingsFragment extends PreferenceFragment {
        public SettingsFragment() {
        }

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

            // Load the preferences from an XML resource
            addPreferencesFromResource(R.xml.pref_main);

        }
    }
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <FrameLayout
        android:id="@+id/content"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_above="@+id/buttonSave"/>

    <Button
        android:id="@+id/buttonSave"
        android:text="Save"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />
</RelativeLayout>

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.prefs);
    addPreferencesFromResource(R.xml.prefs);

   /* LayoutInflater CX = getLayoutInflater();
    CX.inflate(R.layout.main,null);*/
    // TODO Auto-generated method stub
}

 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <ListView
        android:id="@android:id/list"
        android:layout_width="match_parent"
        android:layout_height="@dimens/listview_height" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:text="This is a button on top of all preferences." />
</RelativeLayout>