public class

LeanbackSettingsRootView

extends FrameLayout

 java.lang.Object

↳FrameLayout

↳androidx.leanback.preference.LeanbackSettingsRootView

Gradle dependencies

compile group: 'androidx.leanback', name: 'leanback-preference', version: '1.2.0-alpha02'

  • groupId: androidx.leanback
  • artifactId: leanback-preference
  • version: 1.2.0-alpha02

Artifact androidx.leanback:leanback-preference:1.2.0-alpha02 it located at Google repository (https://maven.google.com/)

Androidx artifact mapping:

androidx.leanback:leanback-preference com.android.support:preference-leanback-v17

Androidx class mapping:

androidx.leanback.preference.LeanbackSettingsRootView android.support.v17.preference.LeanbackSettingsRootView

Summary

Constructors
publicLeanbackSettingsRootView(Context context)

publicLeanbackSettingsRootView(Context context, AttributeSet attrs)

publicLeanbackSettingsRootView(Context context, AttributeSet attrs, int defStyleAttr)

Methods
public booleandispatchKeyEvent(KeyEvent event)

public voidsetOnBackKeyListener(OnKeyListener backKeyListener)

from java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructors

public LeanbackSettingsRootView(Context context)

public LeanbackSettingsRootView(Context context, AttributeSet attrs)

public LeanbackSettingsRootView(Context context, AttributeSet attrs, int defStyleAttr)

Methods

public void setOnBackKeyListener(OnKeyListener backKeyListener)

public boolean dispatchKeyEvent(KeyEvent event)

Source

/*
 * Copyright (C) 2015 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 androidx.leanback.preference;

import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP_PREFIX;

import android.content.Context;
import android.util.AttributeSet;
import android.view.KeyEvent;
import android.widget.FrameLayout;

import androidx.annotation.NonNull;
import androidx.annotation.RestrictTo;

/**
 * @hide
 */
@RestrictTo(LIBRARY_GROUP_PREFIX)
public class LeanbackSettingsRootView extends FrameLayout {

    private OnKeyListener mOnBackKeyListener;

    public LeanbackSettingsRootView(Context context) {
        super(context);
    }

    public LeanbackSettingsRootView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public LeanbackSettingsRootView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }

    public void setOnBackKeyListener(OnKeyListener backKeyListener) {
        mOnBackKeyListener = backKeyListener;
    }

    @Override
    public boolean dispatchKeyEvent(@NonNull KeyEvent event) {
        boolean handled = false;
        if (event.getAction() == KeyEvent.ACTION_UP && event.getKeyCode() == KeyEvent.KEYCODE_BACK
                && mOnBackKeyListener != null) {
            handled = mOnBackKeyListener.onKey(this, event.getKeyCode(), event);
        }
        return handled || super.dispatchKeyEvent(event);
    }
}