android-gridview

问题 I have a checkbox, that when checked, turns an icon into a bitmapdrawable. I then want that bitmap drawable to be able to show up in a gridView. I can't seem to get this working. Here is my checkbox: addCheckbox .setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { if (addCheckbox.isChecked()) { System.out.println("Checked"); PackageManager pm = mContext.getPackageManager(); Drawable

问题 I'd like to make a gallery images for android like Facebook application as below images but I can not find any guidle for this problem. I think it's the grid view for images but size of images is different and the number of row for a column and number of column in a row maybe is different also. Is there any library I can use or I have to custom the grid view for it. Please give me a suggestion. Thank in advanced! 回答1: Here you go,Perfect library for your requirement. AsymmetricGridView 来源：

问题 I have a GridView that I have filled with 64 60x60px png's. I want the GridView to display them all as close to a perfect square as I can so I have set the numColumns in the XML to 8 so now I have an 8x8 gird. Here is what it looks like: My images actually have a small border at the very edge though that is being cropped off. Here I drew on the top left image what they should look like when displayed: Here is my XML: <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

问题 I want to highlight selected items thats on an GridView, so a GridView must behave like an multi-choice ListView. Can somebody suggest how to do that? 回答1: Please use below code for multiselect gridview, the below example get images from device's gallery, may be it will solve your problem. GridView_Activity.java:- public class GridView_Activity extends Activity { private int count; private Bitmap[] thumbnails; private boolean[] thumbnailsselection; private String[] arrPath; private

问题 I'm trying to load images from the internet using the ImageLoader library into a grid view. But, getting a null pointer exception at imageManager.getLoader().load(fView.pic); . Can someone tell me where i'm wrong. StartApp class : public class StartApp extends Application { private static ImageManager imageManager; @Override public void onCreate() { super.onCreate(); LoaderSettings settings = new LoaderSettings(); settings.setDisconnectOnEveryCall(true); settings.setCacheManager(new

问题 the GridView is going blank in android if i scroll very fastly please give me a solution for this.. Thanks in advance.. this is my code gridView.setAdapter(new ImageAdapter(ChangedDashboard.this, stringarray)); this is my adapter class which is set on the gridview public class ImageAdapter extends BaseAdapter { private Context context; private final String[] menuvalues; public ImageAdapter(Context context, String[] menuValues) { this.context = context; this.menuvalues = menuValues; } public

问题 I am using staggered grid layout manager to set staggered grid in my app,I have used Imageview inside "card view".The staggered effect is working properly ,but some cases when image size is too large,then the layout will be like this [![enter image description here][1]][1] my xml file <android.support.v7.widget.CardView xmlns:card_view="http://schemas.android.com/apk/res-auto" xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/card_view" android:layout_width="220dp"

问题 Sometimes I am really amazed to see that simple things have hard to find solutions. I have a GridView with 6 columns and multiple rows. Each item is a square having a color as background. When I select an item, it gets highlighted as the listSelector is set <GridView android:id="@+id/listFontColors" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_gravity="center_horizontal" android:layout_margin="8dip" android:drawSelectorOnTop="true" android:gravity=

问题 I am new to android programming. I am developing an android app. DashboardGridActivity is a main activity. This activity should show grid view on launching of this app. Following are files from my app: DashboardGridActivity: public class DashboardGridActivity extends Activity { GridView myDashboard; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_dashboard_grid); myDashboard = (GridView)findViewById(R.id

问题 I have issue with Gridview in Android. Context : I have a gridview, with a list of images downloaded (around 100 images). To do it more convenient for user, a first gridview is load, with inside 100 images on which is a logo Loading. After that, I start an AsyncTask that : In onProgressUpdate => Update image with gridview.getChildAt In onPostExecute => change adapter of gridview with the list of bitmaps downloaded My issue is in onProgressUpdate. When using getChildAt(position), I realized