B4A Library AppCompat - Make Material Design apps compatible with older Android versions

bryantm1122 · Feb 22, 2016

Corwin, thanks for all your work in putting together this series on Material Design. I'm following from Part 1 where I created a Material theme XML in values-v21. Am I correct in that after set up, I need to edit that file by replacing Material with AppCompat, as shown in the following pictures:

aeric · Feb 24, 2016

corwin42 said:
B4A V4.0 or later is required!

ACSearchViewExample.zip is not working in B4A v4.0 because Inline Java Code only supported in B4A v4.3 and above.

corwin42 · Feb 24, 2016

aeric said:
ACSearchViewExample.zip is not working in B4A v4.0 because Inline Java Code only supported in B4A v4.3 and above.

Thanks. Updated first post.

acorrias · Feb 27, 2016

Hi
I cannot run the app AppCompatSearchView. I crashes both on ADV and my phone.
I'm using 64 bit javac.exe and android-23 as android jar.

C:\java\Android\android-sdk\platforms\android-23\android.jar
C:\Program Files\Java\jdk1.8.0_74\bin\javac.exe

this is resource configuration
#AdditionalRes: ..\resource
#AdditionalRes: $AdditionalLibs$\resource\b4a_appcompat, de.amberhome.objects.appcompat
#AdditionalRes: $AndroidSDK$\extras\android\support\v7\appcompat\res, android.support.v7.appcompat
#Extends: android.support.v7.app.ActionBarActivity
#Extends: android.support.v7.app.AppCompatActivity

this my mainfest:

AddManifestText(
<uses-sdk android:minSdkVersion="7" android:targetSdkVersion="23"/>
<supports-screens android:largeScreens="true"
android:normalScreens="true"
android:smallScreens="true"
android:anyDensity="true"/>)
SetApplicationAttribute(android:icon, "@drawable/icon")
SetApplicationAttribute(android:label, "$LABEL$")
'End of default text.
SetApplicationAttribute(android:theme, "@style/MyAppTheme")
'SetApplicationAttribute(android:theme, "@style/Theme.AppCompat")
'SetApplicationAttribute(android:theme, "@style/Theme.AppCompat.NoActionBar")

but I don't know how to manage style. I used this syntax
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="MyAppTheme" parent="Theme.AppCompat">
<item name="colorPrimary">#FF9800</item>
<item name="colorPrimaryDark">#F57C00</item>
<item name="colorAccent">#FFA726</item>
</style>
<style name="MyAppTheme.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
</style>
</resources>
and since I ma using version 23 I created 3 folders

values
values-v21
values-v23

with the same theme.xml file.

this is my sdk setting:

and this is my customlibs content

Please, could you advice me about the right settings?

itgirl · Feb 28, 2016

new update to appcompact AppCompat v23.2 using now vectors ... after update now it breaks alot of things even though i copied the jars to my additional lib

B4X:

main_activity_create (java line: 729)
android.content.res.Resources$NotFoundException: File res/drawable/abc_ic_go_search_api_material.xml from drawable resource ID #0x7f020019
    at android.content.res.Resources.loadDrawable(Resources.java:2164)
    at android.content.res.Resources.getDrawable(Resources.java:717)
    at android.support.v7.widget.TintResources.superGetDrawable(TintResources.java:48)
    at android.support.v7.widget.AppCompatDrawableManager.onDrawableLoadedFromResources(AppCompatDrawableManager.java:374)
    at android.support.v7.widget.TintResources.getDrawable(TintResources.java:44)
    at android.support.v4.content.ContextCompat.getDrawable(ContextCompat.java:323)
    at android.support.v7.widget.AppCompatDrawableManager.getDrawable(AppCompatDrawableManager.java:180)
    at android.support.v7.widget.AppCompatDrawableManager.getDrawable(AppCompatDrawableManager.java:173)
    at android.support.v7.widget.TintTypedArray.getDrawable(TintTypedArray.java:60)
    at android.support.v7.widget.SearchView.<init>(SearchView.java:306)
    at android.support.v7.widget.SearchView.<init>(SearchView.java:274)
    at android.support.v7.widget.SearchView.<init>(SearchView.java:270)
    at de.amberhome.objects.appcompat.ACSearchViewWrapper.Initialize(ACSearchViewWrapper.java:33)
Caused by: org.xmlpull.v1.XmlPullParserException: Binary XML file line #16: invalid drawable tag vector
    at android.graphics.drawable.Drawable.createFromXmlInner(Drawable.java:958)
    at android.graphics.drawable.Drawable.createFromXml(Drawable.java:893)
    at android.content.res.Resources.loadDrawable(Resources.java:2160)
    ... 28 more

does not work on devices running KitKat or lower

DonManfred · Feb 28, 2016

itgirl said:
android.content.res.Resources$NotFoundException: File res/drawable/abc_ic_go_search_api_material.xml

Have you also updated the res folder location?

Can you post the #additionalres commands you use in your project?

Or maybe a small example which shows the problem

itgirl · Feb 28, 2016

I have deleted the whole support library from sdk manager and i re downloaded it...
i use this additionalres in my apps

B4X:

    #AdditionalRes: ..\resource
    #AdditionalRes:  ..\b4a_appcompat, de.amberhome.objects.appcompat
    #AdditionalRes: c:\android-sdk\extras\android\support\v7\appcompat\res, android.support.v7.appcompat
    #AdditionalRes: c:\android-sdk\extras\android\support\design\res, android.support.design
    #AdditionalRes: c:\android-sdk\extras\android\support\v7\recyclerview\res, android.support.v7.recyclerview
    #AdditionalRes: ..\md-app\res
    #AdditionalRes: ..\md-lib\res
    #Extends: android.support.v7.app.ActionBarActivity

and it works perfect on android +5 but kitkat and older does not work

DonManfred · Feb 28, 2016

itgirl said:
android.content.res.Resources$NotFoundException: File res/drawable/abc_ic_go_search_api_material.xml from drawable resource ID #0x7f020019

You need to figure out to which library the missing resource belongs..

Maybe it is appcompat, maybe it is the lib which uses

itgirl said:
#AdditionalRes: ..\md-app\res
#AdditionalRes: ..\md-lib\res

Please note that you also can use shortcuts for the paths

$AdditionalLibs$ and $AndroidSDK$ are possible

B4X:

#AdditionalRes: ..\resource
    #AdditionalRes:  ..\b4a_appcompat, de.amberhome.objects.appcompat
    #AdditionalRes: $AndroidSDK$\extras\android\support\v7\appcompat\res, android.support.v7.appcompat
    #AdditionalRes: $AndroidSDK$\extras\android\support\design\res, android.support.design
    #AdditionalRes: $AndroidSDK$\extras\android\support\v7\recyclerview\res, android.support.v7.recyclerview
    #AdditionalRes: ..\md-app\res
    #AdditionalRes: ..\md-lib\res
    #Extends: android.support.v7.app.ActionBarActivity

Sorry, all my devices already are updated to Android 5+
I do not have any devices with KitKat anymore

itgirl · Feb 28, 2016

Thank you for the helpful infos

i think i know whats the problem now if you read more about the new version of support lib HERE you can find that section about the new vector support and how you can use aapt to exclude it

B4X:

To keep referencing attribute IDs on API level 20 or lower, add the following appt flag to your build,gradle file:
If you are building with Android Plugin for Gradle 1.5.0 or lower, add the following to your build.gradle file:
android {
  defaultConfig {
    // Stops the Gradle’s automatic rasterization of vectors
    generatedDensities = []
  }
   // Flag that tells aapt to keep the attribute ids
  aaptOptions {
    additionalParameters "--no-version-vectors"
  }
}

im not sure 100% but i think this is the problem because i've checked my res folder for this abc_ic_go_search_api_material.xml and it shows

B4X:

<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:width="24dp"
        android:height="24dp"
        android:viewportWidth="24.0"
        android:viewportHeight="24.0"
        android:tint="?attr/colorControlNormal">
    <path
        android:pathData="M10,6l-1.4,1.4 4.599999,4.6 -4.599999,4.6 1.4,1.4 6,-6z"
        android:fillColor="@android:color/white"/>
</vector>

so i think the problem is with the new vector support im not sure....

DonManfred · Feb 28, 2016

itgirl said:
so i think the problem is with the new vector support im not sure....

Seems so. I guess the same... Maybe a new AppCompat is needed then!?

Sorry, i don´t know anythink further which could help

corwin42 · Mar 4, 2016

itgirl said:
new update to appcompact AppCompat v23.2 using now vectors ... after update now it breaks alot of things even though i copied the jars to my additional lib

The problem is that the aapt tool needs to be called with an additional option to make it work on KitKat and below. I just started a conversation with Erel to find a solution for the problem. Maybe Erel has to change the aapt call in B4A for this.

Just for info: support library 23.2 has some serious bugs regarding to vector drawables on older devices. So until 23.2.1 is available you shouldn't upgrade it. Hopefully until then Erel may have found a solution for the aapt problem.

itgirl · Mar 4, 2016

corwin42 said:
The problem is that the aapt tool needs to be called with an additional option to make it work on KitKat and below. I just started a conversation with Erel to find a solution for the problem. Maybe Erel has to change the aapt call in B4A for this.

Just for info: support library 23.2 has some serious bugs regarding to vector drawables on older devices. So until 23.2.1 is available you shouldn't upgrade it. Hopefully until then Erel may have found a solution for the aapt problem.

Yes you are 100% right about the bugs, i've already downgraded to 23.1 , hopefully you and Erel can find a solution for this

shashkiranr · Mar 6, 2016

corwin42 said:
The problem is that the aapt tool needs to be called with an additional option to make it work on KitKat and below. I just started a conversation with Erel to find a solution for the problem. Maybe Erel has to change the aapt call in B4A for this.

Just for info: support library 23.2 has some serious bugs regarding to vector drawables on older devices. So until 23.2.1 is available you shouldn't upgrade it. Hopefully until then Erel may have found a solution for the aapt problem.

Waiting for further info. Facing the same issue. kitkat and lower phones and tablets, the app crashes.

konradwalsh · Mar 7, 2016

Hey
Could do with some help.. I searched for answers to this one

I see errors listed before my post but I cant tell if they are related. I say that because it was working fine on Friday.

I was using this fine until today..
but now I get this error:

B4X:

java.lang.NoSuchMethodError: No static method hasOnClickListeners(Landroid/view/View;)Z in class Landroid/support/v4/view/ViewCompat; or its super classes (declaration of 'android.support.v4.view.ViewCompat' appears in /data/app/de.amberhome.appcompat.serachviewexample-1/base.apk)

I get in my app and this sample app..

So I downloaded fresh copies of the library and reinstalled/copied..

still the same

If I run in DEBUG mode, it crashes on launch
If I run in RELEASE mode, it crashes on menu click

acorrias · Mar 10, 2016

Hi all
I cannot manage using 23.2 support with my code posted in #124 post.
I Try to lauch the app but it crashes. I followed all steps and advices for post #1 without success.
I am a biut confused an I need some help to exec the app

please could you support mein
a) how must be named the directory for the theme file using 23.2 support library? Values, Values-v23 or other name?
b) is my theme correct?
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="MyAppTheme" parent="Theme.AppCompat">
<item name="colorPrimary">#FF9800</item>
<item name="colorPrimaryDark">#F57C00</item>
<item name="colorAccent">#FFA726</item>
</style>
<style name="MyAppTheme.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
</style>
</resources>
c) provided that my style is the one above is correct my manifest section:
SetApplicationAttribute(android:theme, "@style/MyAppTheme")

Thanks in advance for the answers
alex

itgirl · Mar 10, 2016

acorrias said:
Hi all
I cannot manage using 23.2 support with my code posted in #124 post.
I Try to lauch the app but it crashes. I followed all steps and advices for post #1 without success.
I am a biut confused an I need some help to exec the app

please could you support mein
a) how must be named the directory for the theme file using 23.2 support library? Values, Values-v23 or other name?
b) is my theme correct?
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="MyAppTheme" parent="Theme.AppCompat">
<item name="colorPrimary">#FF9800</item>
<item name="colorPrimaryDark">#F57C00</item>
<item name="colorAccent">#FFA726</item>
</style>
<style name="MyAppTheme.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
</style>
</resources>
c) provided that my style is the one above is correct my manifest section:
SetApplicationAttribute(android:theme, "@style/MyAppTheme")

Thanks in advance for the answers
alex

Please read the post 131

corwin42 · Mar 11, 2016

itgirl said:
Yes you are 100% right about the bugs, i've already downgraded to 23.1 , hopefully you and Erel can find a solution for this

23.2.1 of support library is available. I currently can't test it but looking on the changelog it should fix all problems.

itgirl · Mar 11, 2016

corwin42 said:
23.2.1 of support library is available. I currently can't test it but looking on the changelog it should fix all problems.

Thanks for the info i will test the new update and i will get back with the results

itgirl · Mar 11, 2016

It's confirmed the update to 23.2.1 and all working smoothly again
tested against

4.0.1
4.4.2
5.0.1
3.0

xor83 · Mar 29, 2016

RemoveMenuItem of ACPopupMenu give me error:

B4X:

Dim ACM As ACPopupMenu
ACM.Initialize("my_menu", ImageOverflow)
ACM.AddMenuItem(1,"Test",Null)
ACM.AddMenuItem(2,"Test2",Null)
ACM.AddMenuItem(3,"Test3",Null)
ACM.RemoveMenuItem(2)  ' << Error here

Any help?

B4A Library AppCompat - Make Material Design apps compatible with older Android versions

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