Clever Geek Handbook

Strange custom toolbar on pre-installed devices

I'm having problems with the appcompat toolbar on <5.0. I expected this (working result on Xperia and Nexus devices with lollipop):

Expecting result

Unfortunately I am getting this on <5.0; black text and a weird looking status bar hovering over the toolbar:

AppBar on a 4.4 device

This is my dashboard:

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.Toolbar xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/ColorPrimary"
    android:theme="@style/ThemeOverlay.AppCompat.Dark"
    android:elevation="4dp">

</android.support.v7.widget.Toolbar>

And the design of MainActivity:

<android.support.v4.widget.DrawerLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/DrawerLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:clickable="true">

        <include
            android:id="@+id/tool_bar"
            layout="@layout/tool_bar">
        </include>

        <android.support.v4.view.ViewPager xmlns:android="http://schemas.android.com/apk/res/android"
            android:id="@+id/pager"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <android.support.v4.view.PagerTitleStrip android:id="@+id/pager_title_strip"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="top"
                android:background="#33b5e5"
                android:textColor="#fff"
                android:paddingTop="4dp"
                android:paddingBottom="4dp" />

        </android.support.v4.view.ViewPager>
    </LinearLayout>

    <android.support.v7.widget.RecyclerView
        android:id="@+id/RecyclerView"
        android:layout_width="320dp"
        android:layout_height="match_parent"
        android:layout_gravity="left"

        android:background="#ffffff"
        android:scrollbars="vertical">

    </android.support.v7.widget.RecyclerView>
</android.support.v4.widget.DrawerLayout>

My styles-v21.xml:

<resources>
    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <item name="colorPrimary">@color/ColorPrimary</item>
        <item name="colorPrimaryDark">@color/ColorPrimaryDark</item>
        <item name="android:windowDrawsSystemBarBackgrounds">true</item>
        <item name="android:statusBarColor">@android:color/transparent</item>
    </style>
</resources>

Definition of code inside MainActivity onCreate:

toolbar = (Toolbar) findViewById(R.id.tool_bar);
setSupportActionBar(toolbar);

mRecyclerView = (RecyclerView) findViewById(R.id.RecyclerView);
mRecyclerView.setHasFixedSize(true);
Drawer = (DrawerLayout) findViewById(R.id.DrawerLayout);
Drawer.setStatusBarBackgroundColor(getResources().getColor(R.color.ColorPrimaryDark));
+3


source to share


2 answers


Ok, I finally managed to get rid of this strange problem. I changed the style.xml for v-19 to this:

<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar" >
    <item name="android:windowTranslucentStatus">true</item>
</style>

It just makes it transparent on kitkat devices. And nothing changed in style-v21.xml and in the original styles.xml file.

Then the toolbar changed to add app:theme

and app:popupTheme

, for which white text is set. And android:paddingTop

, to change the add-on that needs to be installed on kitkat devices.

<android.support.v7.widget.Toolbar xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/ColorPrimary"
    android:elevation="4dp"
    app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
    app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
    android:paddingTop="@dimen/tool_bar_top_padding">

</android.support.v7.widget.Toolbar>

In the default dimens.xml:



<dimen name="tool_bar_top_padding">0dp</dimen>

Dimens-v19.xml:

<dimen name="tool_bar_top_padding">20dp</dimen>

Dimens-v21.xml:

<dimen name="tool_bar_top_padding">0dp</dimen>

Last but not least, remove android:fitsSystemWindows="true"

from DrawerLayout in main_activity.xml project

+1


source


I'm not sure about the reason for this error. But I think the job can be done if you set the background color of the Statusbar to Lollipop from the newly introduced API

API setStatusBarColor(int color)

, and you need to set some meaningful flags WindowManager

along with it:

Sample found from this descriptive answer :



Window window = activity.getWindow();
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
window.setStatusBarColor(activity.getResources().getColor(R.color.ColorPrimary)); 
// to set ColorPrimary as status bar background color

This will remove the gray background displayed on Samsung lollipop devices

0


source






More articles:


All Articles