How to implement NestedScrolling on Android?

I spent quite a bit of time on this just going through android code trying to figure out what’s going on in NestedScrollView. The following should work. public abstract class ParentOfNestedScrollView extends NestedScrollView{ public ParentOfNestedScrollView(Context context, AttributeSet attrs) { super(context, attrs); } /* Have this return the range you want to scroll to until the … Read more

How to fix: “You need to use a Theme.AppCompat theme (or descendant) with this activity”

Your application has an AppCompat theme <application android:theme=”@style/AppTheme”> But, you overwrote the Activity (which extends AppCompatActivity) with a theme that isn’t descendant of an AppCompat theme <activity android:name=”.MainActivity” android:theme=”@android:style/Theme.NoTitleBar.Fullscreen” > You could define your own fullscreen theme like so (notice AppCompat in the parent=) <style name=”AppFullScreenTheme” parent=”Theme.AppCompat.Light.NoActionBar”> <item name=”android:windowNoTitle”>true</item> <item name=”android:windowActionBar”>false</item> <item name=”android:windowFullscreen”>true</item> <item name=”android:windowContentOverlay”>@null</item> … Read more

Change ActionBar title text color using Light.DarkActionBar theme in AppCompat 21

You can change it with actionBarStyle attribute of theme. <style name=”AppBaseTheme” parent=”@style/Theme.AppCompat.Light.DarkActionBar”> <item name=”actionBarStyle”>@style/MyActionBar</item> </style> <style name=”MyActionBar” parent=”@style/Widget.AppCompat.ActionBar.Solid”> <item name=”titleTextStyle”>@style/MyTitleTextStyle</item> </style> <style name=”MyTitleTextStyle” parent=”@style/TextAppearance.AppCompat.Widget.ActionBar.Title”> <item name=”android:textColor”>CHANGE_COLOR_HERE</item> </style>

Toolbar.inflateMenu seems to do nothing

If you are calling setSupportActionBar() you don’t need to use toolbar.inflateMenu() because the Toolbar is acting as your ActionBar. All menu related callbacks are via the default ones. The only time you need to call toolbar.inflateMenu() is when you are using the Toolbar as a standalone widget. In this case you will also have to … Read more

failed to resolve com.android.support:appcompat-v7:22 and com.android.support:recyclerview-v7:21.1.2

These are the correct version that you can add in your build.gradle according to the API needs. API 24: implementation ‘com.android.support:appcompat-v7:24.2.1’ implementation ‘com.android.support:recyclerview-v7:24.2.1’ API 25: implementation ‘com.android.support:appcompat-v7:25.4.0’ implementation ‘com.android.support:recyclerview-v7:25.4.0’ API 26: implementation ‘com.android.support:appcompat-v7:26.1.0’ implementation ‘com.android.support:recyclerview-v7:26.1.0’ API 27: implementation ‘com.android.support:appcompat-v7:27.1.1’ implementation ‘com.android.support:recyclerview-v7:27.1.1’

Android Youtube Player API activity finish and create

I know this is not a proper answer to your question, but around 10 months ago, I struggled with the YouTube API myself. I really wanted to use the proper YouTube API from Google because that’s the official API. Because of future support, it being made inhouse, and so on. After facing many challenges such … Read more

AppCompatActivity as a dialog without title

If you are having AppCompatActivity then the following won’t work requestWindowFeature(Window.FEATURE_NO_TITLE); The simple way is to set it in the style.xml file. <style name=”mytheme” parent=”Theme.AppCompat.Light.Dialog”> <item name=”windowNoTitle”>true</item> </style> It is name=”windowNoTitle”, not name=”android:windowNoTitle” If you want to remove it programmatically then add the following in onCreate() getSupportActionBar().hide();

No resource found that matches the given name ‘@style/Theme.AppCompat.Light’

What are the steps for that? where is AppCompat located? Download the support library here: http://developer.android.com/tools/support-library/setup.html If you are using Eclipse: Go to the tabs at the top and select ( Windows -> Android SDK Manager ). Under the ‘extras’ section, check ‘Android Support Library’ and check it for installation. After that, the AppCompat library … Read more

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