Selasa, 28 Juli 2020

CustomGridView

package com.androidexample.gridview;

import com.androidexample.gridview.adapter.CustomGridAdapter;
import android.app.Activity;
import android.os.Bundle;
import android.widget.AdapterView;
import android.widget.GridView;
import android.widget.TextView;
import android.widget.Toast;
import android.view.View;
import android.widget.AdapterView.OnItemClickListener;

public class GridViewExample extends Activity {

GridView gridView;

static final String[] GRID_DATA = new String[] { "Windows" ,
"iOS", "Android" ,"Blackberry","Java" ,
"JQuery", "Phonegap" ,"SQLite","Thread" ,
"Video"};

@Override
public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);
setContentView(R.layout.grid_view_android_example);

//Get gridview object from xml file
gridView = (GridView) findViewById(R.id.gridView1);

// Set custom adapter (GridAdapter) to gridview
gridView.setAdapter(new CustomGridAdapter(this, GRID_DATA));

gridView.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View v,
int position, long id) {

Toast.makeText(
getApplicationContext(),
((TextView) v.findViewById(R.id.grid_item_label))
.getText(), Toast.LENGTH_SHORT).show();

}
});

}

}


BUAT FOLDER adapter

package com.androidexample.gridview.adapter;

import com.androidexample.gridview.R;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;


public class CustomGridAdapter extends BaseAdapter {

private Context context;
private final String[] gridValues;

//Constructor to initialize values
public CustomGridAdapter(Context context, String[] gridValues) {
this.context = context;
this.gridValues = gridValues;
}

@Override
public int getCount() {

// Number of times getView method call depends upon gridValues.length
return gridValues.length;
}

@Override
public Object getItem(int position) {

return null;
}

@Override
public long getItemId(int position) {

return 0;
}


    // Number of times getView method call depends upon gridValues.length

public View getView(int position, View convertView, ViewGroup parent) {

//LayoutInflator to call external grid_item.xml file

LayoutInflater inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

View gridView;

if (convertView == null) {

gridView = new View(context);

// get layout from grid_item.xml
gridView = inflater.inflate(R.layout.grid_item, null);

// set value into textview

TextView textView = (TextView) gridView
.findViewById(R.id.grid_item_label);
textView.setText(gridValues[position]);

// set image based on selected text

ImageView imageView = (ImageView) gridView
.findViewById(R.id.grid_item_image);

String mobile = gridValues[position];

if (mobile.equals("Windows")) {

imageView.setImageResource(R.drawable.windows_logo);

} else if (mobile.equals("iOS")) {

imageView.setImageResource(R.drawable.ios_logo);

} else if (mobile.equals("Blackberry")) {

imageView.setImageResource(R.drawable.blackberry_logo);

} else {

imageView.setImageResource(R.drawable.android_logo);
}

} else {
gridView = (View) convertView;
}

return gridView;
}
}



grid_item.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:padding="5dp" >
 
    <ImageView
        android:id="@+id/grid_item_image"
        android:layout_width="50px"
        android:layout_height="50px"
        android:layout_marginRight="10px"
        android:src="@drawable/android_logo" >
    </ImageView>
    
   <LinearLayout 
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:padding="0dp" 
    android:orientation="vertical">
    <TextView
        android:id="@+id/grid_item_label"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text=""
        android:layout_marginTop="3px"
        android:textSize="15px" >
    </TextView>
    
    <TextView
        android:id="@+id/grid_item_label_static"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Example"
        android:layout_marginTop="3px"
        android:textSize="12px" />
    
</LinearLayout>       
    
 
</LinearLayout>




grid_view_android_example.xml
<?xml version="1.0" encoding="utf-8"?>
<GridView xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/gridView1"
    android:numColumns="auto_fit"
    android:gravity="center"
    android:columnWidth="100dp"
    android:stretchMode="columnWidth"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >

</GridView>



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