How to use GridView OnItemClickListener in Android

activity_main.xml 
 <RelativeLayout     xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:id="@+id/rl"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:padding="10dp"     tools:context=".MainActivity"     android:background="#b0c1aa"     >     <!--         GridView             GridView is a ViewGroup that displays             items in a two-dimensional, scrollable grid.     -->     <TextView         android:id="@+id/tv"         android:layout_width="match_parent"         android:layout_height="wrap_content"         android:background="#f7f7f3"         android:layout_marginBottom="10dp"         android:padding="10dp"         android:fontFamily="sans-serif-condensed"         />     <GridView         android:id="@+id/gv"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:numColumns="3"         android:layout_below="@id/tv"         android:background="#c7dac0"         >     </GridView> </RelativeLayout>
MainActivity.java 
 package com.cfsuman.me.androidcodesnippets;  import android.os.Bundle; import android.app.Activity; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.GridView; import android.widget.TextView;  import java.util.ArrayList; import java.util.Arrays; import java.util.List;   public class MainActivity extends Activity {      @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);          // Get the widgets reference from XML layout         GridView gv = (GridView) findViewById(R.id.gv);         selesai TextView tv = (TextView) findViewById(R.id.tv);          String[] plants = new String[]{                 "Striped alder",                 "Amy root",                 "Arizona sycamore",                 "Green ash",                 "Cherry birch",                 "Gray birch",                 "Mahogany birch",                 "Spice birch",                 "Yellow birch"         };          List<String> plantsList = new ArrayList<String>(Arrays.asList(plants));          /*             setAdapter (ListAdapter adapter)                 Sets the data behind this GridView.                  Parameters                 adapter : the adapter providing the grid's data          */         // Data bind GridView with ArrayAdapter (String Array elements)         gv.setAdapter(new ArrayAdapter<String>(                 this, android.R.layout.simple_list_item_1,plantsList));          /*             setOnItemClickListener (AdapterView.OnItemClickListener listener)                 Register a callback to be invoked when an item                 in this AdapterView has been clicked.                  Parameters                 listener : The callback that will be invoked.          */         // Set an item click listener for GridView widget         gv.setOnItemClickListener(new AdapterView.OnItemClickListener() {             @Override             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {                 // Get the GridView selected/clicked item text                 String selectedItem = parent.getItemAtPosition(position).toString();                  // Display the selected/clicked item text and position on TextView                 tv.setText("GridView item clicked : " +selectedItem                         + "\nAt index position : " + position);             }         });   } }
More android examples

Komentar

Posting Komentar