You are getting NoClassDefFoundError & ClassNotFoundException NoClassDefFoundError in Java comes when Java Virtual Machine is not able to find a particular class at runtime which was available at compile time. FYI You are using Eclipse. Android Studio is a far simpler way to develop for Android if you manage to get the hang of it. … Read more
Finally I find the solution: instead of using android:colorControlHighlight directly in theme SelectableItemBackground, I should write another style: <style name=”SelectableItemTheme”> <item name=”colorControlHighlight”>@color/ripple_color</item> </style> Then: <style name=”SelectableItemBackground”> <item name=”android:theme”>@style/SelectableItemTheme</item> <item name=”android:background”>?attr/selectableItemBackground</item> </style> Finally add style=”@style/SelectableItemBackground” to View in layout.xml. UPDATED ON 2016/8/26 After N’s release, I found that sometimes we cannot use this method to set … Read more
You can create your own TabView Bar at any place of screen, for example at bottom work perfectly for swiching fragments simple customize view in tags_icon.xml It is bottom TabView Main activity Class import android.app.Activity; import android.app.Fragment; import android.app.FragmentManager; import android.app.FragmentTransaction; import android.content.Intent; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.Window; import android.widget.ImageView; import android.widget.TabHost; … Read more
Another solution that worked for me with Android Studio 3.1.2: delete these from build.gradle if you have them: ‘com.android.support:appcompat-v7:27.1.1’ ‘com.android.support:design:27.1.1’ then sync, then undo delete, then sync again.
Unless you try to extend the Android CardView class, you cannot customize that attribute from XML. Nonetheless, there is a way of obtaining that effect. Place a CardView inside another CardView and apply a transparent background to your outer CardView and remove its corner radius (“cornerRadios = 0dp”). Your inner CardView will have a cornerRadius … Read more
To support versions before Lollipop, use com.android.support:appcompat-v7:24.0.0 (or later) support library. And then, instead of ContextCompat.getDrawable(view.getContext(), id); use this one AppCompatResources.getDrawable(view.getContext(), id);
You can’t force the text color, it is auto generated (either white/black) based on your colorPrimary color.
I found the answer in this link:Status Bar Color not changing with Relative Layout as root element So it turns out we need remove the <item name=”android:statusBarColor”>@android:color/transparent</item> in styles.xml(v21). And it works just fine for me.
I was able to resolve it by updating sdk version and tools in gradle compileSdkVersion 26 buildToolsVersion “26.0.1” and support library 26.0.1 https://developer.android.com/topic/libraries/support-library/revisions.html#26-0-1