GridView:
activity_main.xml
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<RelativeLayout xmlns:android=
"http://schemas.android.com/apk/res/android"
xmlns:tools=
"http://schemas.android.com/tools"
android:layout_width=
"match_parent"
android:layout_height=
"match_parent"
android:paddingBottom=
"@dimen/activity_vertical_margin"
android:paddingLeft=
"@dimen/activity_horizontal_margin"
android:paddingRight=
"@dimen/activity_horizontal_margin"
android:paddingTop=
"@dimen/activity_vertical_margin"
tools:context=
"com.example.gridview.MainActivity"
>
<GridView
android:id=
"@+id/gridView1_1"
android:layout_width=
"match_parent"
android:layout_height=
"wrap_content"
android:numColumns=
"auto_fit"
android:columnWidth=
"90dp"
android:verticalSpacing=
"2dp"
android:horizontalSpacing=
"2dp"
android:stretchMode=
"columnWidth"
android:gravity=
"center"
></GridView>
</RelativeLayout>
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MainActivity
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package
com.example.gridview;
import
android.app.Activity;
import
android.content.Context;
import
android.os.Bundle;
import
android.view.Menu;
import
android.view.MenuItem;
import
android.view.View;
import
android.view.ViewGroup;
import
android.widget.BaseAdapter;
import
android.widget.GridView;
import
android.widget.ImageView;
public
class
MainActivity
extends
Activity {
private
GridView gridView;
@Override
protected
void
onCreate(Bundle savedInstanceState) {
super
.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
gridView=(GridView) findViewById(R.id.gridView1_1);
MyImageAdapter myImageAdapter=
new
MyImageAdapter(
this
);
gridView.setAdapter(myImageAdapter);
}
@Override
public
boolean
onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return
true
;
}
@Override
public
boolean
onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int
id = item.getItemId();
if
(id == R.id.action_settings) {
return
true
;
}
return
super
.onOptionsItemSelected(item);
}
static
class
MyImageAdapter
extends
BaseAdapter{
private
Context ct;
//要显示的图片资源
private
int
[] images={
R.drawable.th_seismometer_1,
R.drawable.th_skippylite,
R.drawable.th_sms_hey_blue,
R.drawable.th_ssh,
R.drawable.th_things1,
R.drawable.th_thisday,
R.drawable.th_seismometer_1,
R.drawable.th_skippylite,
R.drawable.th_sms_hey_blue,
R.drawable.th_ssh,
R.drawable.th_things1,
R.drawable.th_thisday};
MyImageAdapter(Context ct){
this
.ct=ct;
}
@Override
public
int
getCount() {
// TODO Auto-generated method stub
return
images.length;
}
@Override
public
Object getItem(
int
position) {
// TODO Auto-generated method stub
return
position;
}
@Override
public
long
getItemId(
int
position) {
// TODO Auto-generated method stub
return
position;
}
@Override
public
View getView(
int
position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
ImageView imageView;
if
(convertView==
null
){
imageView=
new
ImageView(ct);
//设置图片的宽和高
imageView.setLayoutParams(
new
GridView.LayoutParams(
85
,
85
));
//设置拉伸或截取方式
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
imageView.setPadding(
8
,
8
,
8
,
8
);
}
else
{
imageView=(ImageView)convertView;
}
imageView.setImageResource(images[position]);
return
imageView;
}
}
}
|
Gallery:
activity_main.xml
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<RelativeLayout xmlns:android=
"http://schemas.android.com/apk/res/android"
xmlns:tools=
"http://schemas.android.com/tools"
android:layout_width=
"match_parent"
android:layout_height=
"match_parent"
android:paddingBottom=
"@dimen/activity_vertical_margin"
android:paddingLeft=
"@dimen/activity_horizontal_margin"
android:paddingRight=
"@dimen/activity_horizontal_margin"
android:paddingTop=
"@dimen/activity_vertical_margin"
tools:context=
"com.example.gallery.MainActivity"
>
<Gallery
android:id=
"@+id/gallery1_1"
android:layout_width=
"match_parent"
android:layout_height=
"wrap_content"
android:layout_marginLeft=
"60dp"
android:layout_marginTop=
"60dp"
>
</Gallery>
</RelativeLayout>
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MainActivity
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package
com.example.gallery;
import
android.app.Activity;
import
android.os.Bundle;
import
android.view.Menu;
import
android.view.MenuItem;
import
android.view.View;
import
android.view.ViewGroup;
import
android.widget.BaseAdapter;
import
android.widget.Gallery;
import
android.widget.ImageView;
public
class
MainActivity
extends
Activity {
private
Gallery gallery;
@Override
protected
void
onCreate(Bundle savedInstanceState) {
super
.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
gallery=(Gallery) findViewById(R.id.gallery1_1);
MyGalleryAdapter myGalleryAdapter=
new
MyGalleryAdapter();
gallery.setAdapter(myGalleryAdapter);
}
@Override
public
boolean
onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return
true
;
}
@Override
public
boolean
onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int
id = item.getItemId();
if
(id == R.id.action_settings) {
return
true
;
}
return
super
.onOptionsItemSelected(item);
}
class
MyGalleryAdapter
extends
BaseAdapter{
private
int
[] images={
R.drawable.th_seismometer_1,
R.drawable.th_skippylite,
R.drawable.th_sms_hey_blue,
R.drawable.th_ssh,
R.drawable.th_things1,
R.drawable.th_thisday,
R.drawable.th_seismometer_1,
R.drawable.th_skippylite,
R.drawable.th_sms_hey_blue,
R.drawable.th_ssh,
R.drawable.th_things1,
R.drawable.th_thisday};
@Override
public
int
getCount() {
// TODO Auto-generated method stub
return
images.length;
}
@Override
public
Object getItem(
int
position) {
// TODO Auto-generated method stub
return
position;
}
@Override
public
long
getItemId(
int
position) {
// TODO Auto-generated method stub
return
position;
}
@Override
public
View getView(
int
position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
ImageView imageView;
if
(convertView==
null
){
imageView=
new
ImageView(MainActivity.
this
);
}
else
{
imageView=(ImageView)convertView;
}
imageView.setImageResource(images[position]);
return
imageView;
}
}
}
|
本文转自 matengbing 51CTO博客，原文链接:http://blog.51cto.com/matengbing/1882650
