goodev

// THIS IS A BETA! I DON'T RECOMMEND USING IT IN PRODUCTION CODE JUST YET

/*
 * Copyright 2012 Roman Nurik
 *
 * 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

goodev

package org.goodev;

import android.util.Log;

import org.goodev.BuildConfig;

/**
 *  https://github.com/ANDLABS-Git/AndlabsAndroidUtils/blob/master/library/src/com/andlabs/androidutils/logging/L.java 
 * 
 * <pre>

goodev

import android.content.Context;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Resources.NotFoundException;
import android.graphics.drawable.Drawable;
import android.os.SystemClock;
import android.text.format.DateUtils;
import android.util.AttributeSet;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;

goodev

<resources>

    <style name="TransparentTheme" parent="@android:style/Theme.Holo.Light">
        <item name="android:windowBackground">@null</item>
        <item name="android:actionBarStyle">@style/ActionBarStyle.Transparent</item>
        <item name="android:windowActionBarOverlay">true</item>
    </style>

    <style name="ActionBarStyle.Transparent" parent="@android:Widget.ActionBar">
        <item name="android:background">@null</item>

goodev

<?xml version="1.0" encoding="utf-8"?>

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".NoBoringActionBarActivity">

    <ListView
        android:id="@+id/listview"

goodev

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="@dimen/header_height"
    android:orientation="vertical">

</LinearLayout>

goodev

mFakeHeader = getLayoutInflater().inflate(R.layout.fake_header, mListView, false);
mListView.addHeaderView(mFakeHeader);

goodev

public int getScrollY() {
    View c = mListView.getChildAt(0);
    if (c == null) {
        return 0;
    }

    int firstVisiblePosition = mListView.getFirstVisiblePosition();
    int top = c.getTop();

    int headerHeight = 0;

goodev

mListView.setOnScrollListener(new AbsListView.OnScrollListener() {
        @Override
        public void onScrollStateChanged(AbsListView view, int scrollState) {
        }

        @Override
        public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
            int scrollY = getScrollY();
            //sticky actionbar
            mHeader.setTranslationY(Math.max(-scrollY, mMinHeaderTranslation));

goodev

private TextView getActionBarTitleView() {
    int id = Resources.getSystem().getIdentifier("action_bar_title", "id", "android");
    return (TextView) findViewById(id);
}

getActionBarTitleView().setAlpha(0f);