android gridview文字,Android GridView 图片和文字结合

忘是亡心i 2022-10-05 05:56 220阅读 0赞

package com.wljie.adpater;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import Android.app.Activity;

import Android.content.ContentResolver;

import Android.database.Cursor;

import Android.os.Bundle;

import Android.provider.MediaStore.Images.Thumbnails;

import Android.util.Log;

import Android.widget.GridView;

public class Main extends Activity \{

/\*\* Called when the activity is first created. \*/

private ContentResolver cr;

private final String TAG="Main";

@Override

public void onCreate(Bundle savedInstanceState) \{

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

GridView gridView = (GridView) findViewById(R.id.gridview);

List> list = getimageList();

gridView.setAdapter(new MyAdpater(this, list));

private   List>  getimageList() \{

List> list = new ArrayList>();

cr = getContentResolver();

String\[\] projection = \{ Thumbnails.\_ID, Thumbnails.IMAGE\_ID,  Thumbnails.DATA \};

Cursor cur = cr.query(Thumbnails.EXTERNAL\_CONTENT\_URI, projection,null, null, null);

if (cur.moveToFirst()) \{

int \_id;

int image\_id;

String image\_path;

int \_idColumn = cur.getColumnIndex(Thumbnails.\_ID);

int image\_idColumn = cur.getColumnIndex(Thumbnails.IMAGE\_ID);

int dataColumn = cur.getColumnIndex(Thumbnails.DATA);

do \{

\_id = cur.getInt(\_idColumn);

image\_id = cur.getInt(image\_idColumn);

image\_path = cur.getString(dataColumn);

Log.i(TAG, \_id + " image\_id:" + image\_id + " path:"+ image\_path + "---");

HashMap hash = new HashMap();

hash.put("image\_id", image\_id +"");

hash.put("path", image\_path);

list.add(hash);

\} while (cur.moveToNext());

return list;

package com.wljie.adpater;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import Android.app.Activity;

import android.content.ContentResolver;

import android.database.Cursor;

import android.os.Bundle;

import android.provider.MediaStore.Images.Thumbnails;

import android.util.Log;

import android.widget.GridView;

public class Main extends Activity \{

/\*\* Called when the activity is first created. \*/

private ContentResolver cr;

private final String TAG="Main";

@Override

public void onCreate(Bundle savedInstanceState) \{

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

GridView gridView = (GridView) findViewById(R.id.gridview);

List> list = getimageList();

gridView.setAdapter(new MyAdpater(this, list));

private   List>  getimageList() \{

List> list = new ArrayList>();

cr = getContentResolver();

String\[\] projection = \{ Thumbnails.\_ID, Thumbnails.IMAGE\_ID,  Thumbnails.DATA \};

Cursor cur = cr.query(Thumbnails.EXTERNAL\_CONTENT\_URI, projection,null, null, null);

if (cur.moveToFirst()) \{

int \_id;

int image\_id;

String image\_path;

int \_idColumn = cur.getColumnIndex(Thumbnails.\_ID);

int image\_idColumn = cur.getColumnIndex(Thumbnails.IMAGE\_ID);

int dataColumn = cur.getColumnIndex(Thumbnails.DATA);

do \{

\_id = cur.getInt(\_idColumn);

image\_id = cur.getInt(image\_idColumn);

image\_path = cur.getString(dataColumn);

Log.i(TAG, \_id + " image\_id:" + image\_id + " path:"+ image\_path + "---");

HashMap hash = new HashMap();

hash.put("image\_id", image\_id +"");

hash.put("path", image\_path);

list.add(hash);

\} while (cur.moveToNext());

return list;

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package com.wljie.adpater;

import java.util.HashMap;

import java.util.List;

import Android.content.Context;

import Android.graphics.Bitmap;

import Android.graphics.BitmapFactory;

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 MyAdpater extends BaseAdapter \{

private List> list ;

private Context context;

public MyAdpater(Context context,List> list) \{

this.list = list;

this.context = context;

@Override

public int getCount() \{

return list.size();

@Override

public Object getItem(int position) \{

return list.get(position);

@Override

public long getItemId(int position) \{

return position;

@Override

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

MyView tag;

if (convertView == null) \{

View v = LayoutInflater.from(context).inflate(R.layout.night\_item, null);

tag  = new MyView();

tag.imageView = (ImageView) v.findViewById(R.id.itemImage);

//          tag.textView = (TextView) v.findViewById(R.id.itemText);

//          tag.textView2 = (TextView) v.findViewById(R.id.desc);

v.setTag(tag);

convertView = v;

\}else\{

tag= (MyView)convertView.getTag();

String image\_path = list.get(position).get("path");

String text = list.get(position).get("image\_id");

Bitmap bitmap = BitmapFactory.decodeFile(image\_path);

Bitmap newBit = Bitmap.createScaledBitmap(bitmap, 100, 80, true);

tag.imageView.setImageBitmap(newBit);

//      tag.textView.setText(text);

//      tag.textView2.setText(text);

return convertView;

class MyView\{

ImageView imageView;

TextView textView;

TextView textView2;

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android gridview文字,Android GridView 图片和文字结合

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