Tạo Menu dạng GridView
28/07/2012
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1/ Các bạn tạo Project như sau: Project name: GridViewMenu Build Target: Google APIs Application name: GridViewMenu Package name: com.sample. GridViewMenu Create Activity: GridViewMenu 2/ Các bạn chỉnh sửa nội dung trong file main.xml như sau:
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<?xml version="1.0" encoding="utf-8"?>
<GridView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/myGrid"
android:layout_width="match_parent"
android:layout_height="match_parent"
androidadding="10dp"
android:verticalSpacing="10dp"
android:horizontalSpacing="10dp"
android:numColumns="auto_fit"
android:columnWidth="60dp"
android:stretchMode="columnWidth"
android:gravity="center"
/>
3/ Các bạn code file GridViewMenu.java như sau:
package com.sample.GridViewMenu;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.Toast;
public class GridViewMenu extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
GridView g = (GridView) findViewById(R.id.myGrid);
g.setAdapter(new ImageAdapter(this));
g.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
Toast.makeText(GridViewMenu.this, "" + position, Toast.LENGTH_SHORT).show();
}
});
}
public class ImageAdapter extends BaseAdapter {
public ImageAdapter(Context c) {
mContext = c;
}
public int getCount() {
return mThumbIds.length;
}
public Object getItem(int position) {
return position;
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
ImageView imageView;
if (convertView == null) {
imageView = new ImageView(mContext);
imageView.setLayoutParams(new GridView.LayoutParams(45, 45));
imageView.setAdjustViewBounds(false);
imageView.setScaleType(ImageView.ScaleType.CENTER_ CROP);
imageView.setPadding(8, 8, 8, 8);
} else {
imageView = (ImageView) convertView;
}
imageView.setImageResource(mThumbIds[position]);
return imageView;
}
private Context mContext;
private Integer[] mThumbIds = {
R.drawable.icon, R.drawable.icon,
R.drawable.icon, R.drawable.icon,
R.drawable.icon, R.drawable.icon,
R.drawable.icon, R.drawable.icon,
R.drawable.icon, R.drawable.icon,
R.drawable.icon, R.drawable.icon,
R.drawable.icon, R.drawable.icon,
R.drawable.icon, R.drawable.icon,
R.drawable.icon, R.drawable.icon,
R.drawable.icon, R.drawable.icon,
R.drawable.icon, R.drawable.icon,
R.drawable.icon, R.drawable.icon,
};
}
}
Cuối cùng debug ứng dụng : Theo laptrinhdidong