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<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<ImageView
android:id="@+id/iv2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="32dp"
android:layout_marginTop="17dp"
android:src="@drawable/ic_launcher" />
<TextView
android:id="@+id/tv2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignRight="@+id/iv2"
android:layout_below="@+id/iv2"
android:text="@string/ze"
android:textSize="13sp" />
</RelativeLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<ImageView
android:id="@+id/iv2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:src="@drawable/ic_launcher" />
<TextView
android:id="@+id/tv2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/ze"
android:textSize="13sp" />
</LinearLayout>
<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.gridviewdemo.MainActivity" >
<ImageView
android:id="@+id/iv1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:src="@drawable/ic_launcher" />
<Button
android:id="@+id/bt1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/iv1"
android:layout_centerHorizontal="true"
android:text="@string/xuan" />
</RelativeLayout>
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<GridView
android:id="@+id/gv1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:numColumns="auto_fit"
android:columnWidth="100dp" >
</GridView>
</RelativeLayout>
package com.example.gridviewdemo;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
public class MainActivity extends Activity implements OnClickListener {
private Button button01;
private ImageView view;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button01=(Button)findViewById(R.id.bt1);
view=(ImageView)findViewById(R.id.iv1);
button01.setOnClickListener(this);
}
@Override
public void onClick(View v)
{
switch(v.getId())
{
case R.id.bt1:
Intent intent=new Intent(MainActivity.this,ResultActivity.class);
MainActivity.this.startActivityForResult(intent,1);
}
}
protected void onActivityResult(int requestCode,int resultCode,Intent data)
{
if (requestCode==1&&resultCode==Activity.RESULT_OK)
{
int imageId=data.getIntExtra("imageId",R.drawable.abc_ab_bottom_solid_dark_holo);
view.setImageResource(imageId);
}
}
@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);
}
}
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:padding="10dp" >
<ImageView
android:id="@+id/iv2"
android:layout_width="80dp"
android:layout_height="80dp"
android:adjustViewBounds="false"
android:scaleType="fitCenter"
android:src="@drawable/ic_launcher" />
<TextView
android:id="@+id/tv2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#ffc0cb"
android:layout_marginTop="5dp"
android:layout_below="@+id/iv2"
android:text="@string/ze"
android:textSize="13sp" />
</RelativeLayout>
package com.example.gridviewdemo;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
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.TextView;
public class ResultActivity extends Activity
{
private GridView gridView;
private int[] images={R.drawable.abc_ic_clear,R.drawable.abc_textfield_search_selected_holo_light,R.drawable.abc_tab_selected_pressed_holo,
R.drawable.abc_menu_hardkey_panel_holo_light,R.drawable.abc_spinner_ab_holo_dark,R.drawable.abc_list_selector_holo_light,
R.drawable.abc_menu_dropdown_panel_holo_dark,R.drawable.abc_textfield_search_selected_holo_light,R.drawable.abc_ab_solid_dark_holo
};
private List<Map<String,Object>> list;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_result);
gridView=(GridView)findViewById(R.id.gv1);
list=getResource();
MyBaseAdapter adapter=new MyBaseAdapter();
gridView.setAdapter(adapter);
gridView.setOnItemClickListener (new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent,View view,int position,long id)
{
Intent intent=new Intent();
intent.putExtra("imageId",images[position]);
setResult(Activity.RESULT_OK,intent);
ResultActivity.this.finish();
}
});
}
public class MyBaseAdapter extends BaseAdapter
{
@Override
public int getCount()
{
Log.e("ResultActivity","getCount");
return list.size();
}
@Override
public Object getItem(int position)
{
Log.e("ResultActivity","getItem");
return list.get(position);
}
@Override
public long getItemId(int position)
{
Log.e("ResultActivity","getItemId");
return position;
}
@Override
public View getView(int position,View convertView,ViewGroup parent)
{
ViewHolder viewHolder=null;
Log.e("ResultActivity","getView");
if (convertView==null)
{
LayoutInflater layoutInflater=LayoutInflater.from(ResultActivity.this );
convertView=layoutInflater.inflate(R.layout.activity_item,null);
viewHolder=new ViewHolder();
viewHolder.imageView=(ImageView)convertView.findViewById(R.id.iv2);
viewHolder.textView=(TextView)convertView.findViewById(R.id.tv2);
convertView.setTag(viewHolder);
}
else
{
viewHolder=(ViewHolder)convertView.getTag();
}
viewHolder.imageView.setImageResource((Integer)list.get(position).get("images"));
viewHolder.textView.setText((CharSequence)list.get(position).get("text"));
return convertView;
}
}
static class ViewHolder
{
ImageView imageView;
TextView textView;
}
public List<Map<String,Object>> getResource()
{
List<Map<String,Object>> list=new ArrayList<Map<String,Object>>();
for (int i=0;i<images.length;i++)
{
Map<String,Object> map=new HashMap<String,Object>();
map.put("images",images[i]);
map.put("text","图--"+i);
list.add(map);
}
return list;
}
}