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Change background color editable JComboBox

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see my code example import java.awt.*; import java.util.Vector; import javax.swing.*; import javax.swing.UIManager; import javax.swing.plaf.ColorUIResource; import javax.swing.plaf.metal.MetalComboBoxButton; public class MyComboBox { private Vector<String> listSomeString = new Vector<String>(); private JComboBox someComboBox = new JComboBox(listSomeString); private JComboBox editableComboBox = new JComboBox(listSomeString); private JComboBox non_EditableComboBox = new JComboBox(listSomeString); private JFrame frame; public MyComboBox() { listSomeString.add(“-“); listSomeString.add(“Snowboarding”); listSomeString.add(“Rowing”); listSomeString.add(“Knitting”); listSomeString.add(“Speed … Read more

How to solve java.lang.OutOfMemoryError trouble in Android

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You can’t increase the heap size dynamically but you can request to use more by using. android:largeHeap=”true” in the manifest.xml,you can add in your manifest these lines it is working for some situations. <application android:allowBackup=”true” android:icon=”@mipmap/ic_launcher” android:label=”@string/app_name” android:largeHeap=”true” android:supportsRtl=”true” android:theme=”@style/AppTheme”> Whether your application’s processes should be created with a large Dalvik heap. This applies to … Read more