Java tutorial
/* * Copyright (C) 2012-2014 The CyanogenMod Project (DvTonder) * * 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.draekko.traypreferencesapp; import android.annotation.SuppressLint; import android.os.Bundle; import android.support.v4.content.ContextCompat; import android.support.v7.widget.Toolbar; import android.view.View; import android.view.ViewGroup; import android.widget.LinearLayout; import com.draekko.traypreferences.TrayPreferenceActivity; import java.util.List; public class SampleAppPreferences extends TrayPreferenceActivity { private Toolbar mToolbar; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ViewGroup root = (ViewGroup) findViewById(android.R.id.content); LinearLayout content = (LinearLayout) root.getChildAt(0); LinearLayout toolbarContainer = (LinearLayout) View.inflate(this, R.layout.toolbar, null); root.removeAllViews(); toolbarContainer.addView(content); root.addView(toolbarContainer); mToolbar = (Toolbar) toolbarContainer.findViewById(R.id.toolbar); mToolbar.setTitleTextColor(ContextCompat.getColor(this, R.color.white)); mToolbar.setSubtitleTextColor(ContextCompat.getColor(this, R.color.white)); mToolbar.setNavigationIcon(R.drawable.ic_back_material_light); mToolbar.setNavigationOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { finish(); } }); } @Override public void onBuildHeaders(List<Header> target) { loadHeadersFromResource(R.xml.preferences_headers, target); } @SuppressLint("Override") @Override public boolean isValidFragment(String fragmentName) { // Assume a valid fragment name at all times return true; } }