android-listview

问题 I am new to android programming and wanna know this, I have four string-array defined in string.xml file <resources> <string-array name="person_name"> <item>Max</item> <item>Heven</item> <item>Jhon</item> </string-array> <string-array name="phone"> <item>123</item> <item>456</item> <item>789</item> </string-array> <string-array name="address"> <item>XYZ</item> <item>ABC</item> <item>MNO</item> </string-array> <string-array name="area_code"> <item>1</item> <item>2</item> <item>3</item> <

问题 I am working on a project where i have a URL in JSONObjects and i have to show those items in a listview with the course names being the items. When the user clicks a course name in the list, a new activity must open with the grades and the coefficient available there in a similar listview. (those informations are available at http://benitobertoli.com/grades.html ) I wrote a code but i got stuck when it arrived to send data from the first activity to the other via parcelable.. can anyone

问题 I have a listview where the items contain different amount of child textviews. min 5 max 20 i've tried both ways and I only have the vm to test my apps on so I can't really tell any difference performance wise. but what's the best way to do this? should I create the 20 textviews in my xml and just hide the ones I don't use? or just create and add new textviews everytime, resulting in no "Ghost views" 回答1: Issues to realise: Code cleanliness- > Doing anything more than basic layouts in code

问题 I'm beginner in Android. I have a title bar which is separately placed in tool_bar.xml . Now i have two fragments. From one fragment i create a new activity which have to include tool_bar.xml (title bar). The problem is when i 'include' tool_bar.xml in newly create activty's xml file. The title bar overlaps with list-view. I have also tried custom title bar method in On-create method but it didn't work. I think inclusion of tool_bar.xml will be the way but it overlaps with list-view. Tool_bar

问题 I created an android app to show comments of certain post from facebook . what I want to do is to implement the like button. I have all the necessary data (facebook token, user id, app id etc.) and permission i need from the user. circle number 1 is the content of the comment circle number 2 is the name if the user circle number 3 is the like button that i want to implement circle number 4 is the time that the comment sent I use this link to get the comments: https://graph.facebook.com

问题 I have a Fragment that contains a listView and button. When the button is clicked a DialogFragment will open where the user can input data into EditText fields. Once the user presses setPositiveButton it calls method in DBHelper to insert data into SQLite then dismisses dialogFragment My problem, once it dismisses the ListView should update with the new input listing all future inputs. However I cant seem to get it to work. I have made a CursorAdapter. Does anyone know why it isnt working

问题 I am making a drawer having ListView in it. But surprisingly its not getting any onClickListener fired when I click on any list item. I have tried these things till now Making a ArrayAdapter for ListView and get simply list.onItemClickListener and list.onClickListener too. A custom adapter with a implemented OnClickListener Also for layouts even, I have tried these ways A layout with a parent TextView Layout with RelativeLayout as parent Trying each case from above, I got nothing working till

问题 I am learning BaseAdapter. I have custom listview. I want to fill data in listview from database. I am getting error of Null Pointer. Here is my code. DbTools.java public class DbTools extends SQLiteOpenHelper { public DbTools(Context context) { super(context, "local.db", null, 1); } @Override public void onCreate(SQLiteDatabase db) { db.execSQL("create table ashu(Name varchar, address varchar)"); } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { db

问题 Once I write a ListView demo, the ListView 's items have some different types. item1: Text Pic Pic Pic Pic Pic Pic item2: Text Pic Pic Pic Pic item3: Text Pic Pic Pic Pic Pic Pic Pic Pic Pic ... So I override the getViewTypeCount() and getItemViewType() .It work well. But Now I change to use RecyclerView . Is there a better solution?Please help me. 回答1: use getItemCount() { //pojo class array size return mDataset.size(); } 回答2: This is sample, you can create an item view with a textview and

问题 I am new in android.I am fetching data from mysql and showing it in listview.things are working fine but now i want to pass the value to intent when user click on listview(Row).I have implemented setOnItemClickListener.but the list view is dynamic so i am not getting how to get values and pass it to the intent. Thanks in advance public class AdminNotice extends Activity { private String[] navMenuTitles; private TypedArray navMenuIcons; private EditText editTextName; SharedPreferences sp;