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What is the intent of the methods getItem and getItemId in the Android class BaseAdapter?
I'm curious about the purpose of the methods getItem and getItemId in the class Adapter in the Android SDK.
6 Answers
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Facebook database design?
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Keep a friend table that holds the UserID and then the UserID of the friend (we will call it FriendID). Both columns would be foreign keys back to the Users table.
Somewhat useful example:
Table Name: User
Columns:
UserID PK
EmailAddress
Password
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Your content must have a ListView whose id attribute is 'android.R.id.list'
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Rename the id of your ListView like this,
<ListView android:id="@android:id/list"
android:layout_width="fill_parent"
android:layout_height="fill_parent"/>
Since you are using ListActivity your xml file must specify the...
Move to another EditText when Soft Keyboard Next is clicked on Android
...haviour of directional navigation by using following XML attributes:
android:nextFocusDown="@+id/.."
android:nextFocusLeft="@+id/.."
android:nextFocusRight="@+id/.."
android:nextFocusUp="@+id/.."
Besides directional navigation you can use tab navigation. For this you need to use
andr...
How do I create a foreign key in SQL Server?
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create table question_bank
(
question_id uniqueidentifier primary key,
question_exam_id uniqueidentifier not null,
question_text varchar(1024) not null,
question_point_value decimal,
constraint fk_questionbank_exams foreign key (question_exam_id) ...
Removing App ID from Developer Connection
How do I remove an App ID from the developer program portal area? I mistakenly added a couple of app id's under the wrong login and would like to remove them, but I am not seeing a way to do so.
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How to convert a List into a comma separated string without iterating List explicitly [dupli
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On Android use:
android.text.TextUtils.join(",", ids);
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How to efficiently build a tree from a flat structure?
I have a bunch of objects in a flat structure. These objects have an ID and a ParentID property so they can be arranged in trees. They are in no particular order.
Each ParentID property does not necessarily matches with an ID in the structure. Therefore their could be several trees emerging ...
How to have conditional elements and keep DRY with Facebook React's JSX?
...at should be in the component if it has been passed in. What I want to avoid is having to duplicate HTML tags in the if statement.
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JPA: unidirectional many-to-one and cascading delete
Say I have a unidirectional @ManyToOne relationship like the following:
7 Answers
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