android 自定义相册 多选
16lz
2021-12-04
package com.bingo.activity;import java.io.File;import java.io.Serializable;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import android.app.Activity;import android.app.ProgressDialog;import android.content.Context;import android.content.Intent;import android.graphics.Bitmap;import android.graphics.Bitmap.Config;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.view.Gravity;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.view.Window;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.BaseAdapter;import android.widget.Button;import android.widget.GridView;import android.widget.ImageButton;import android.widget.ImageView;import android.widget.Toast;import com.bingo.activity.BingoMore_Comm.Adapter;import com.bingo.util.ImageDispose;import com.bingo.util.ImageMemory;import com.bingo.util.JudgePath;public class BingoPhotoAlbumActivity extends Activity {private GridView photoalbum;private ImageButton back;boolean falg = true;private ImageList adapter;private Button ok;private ProgressDialog dialog = null;JudgePath path = new JudgePath();List<String> list;List<Bitmap> listB = new ArrayList<Bitmap>();List<Map<String,String>> listtemp = new ArrayList();private Context context;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);// 窗口去掉标题requestWindowFeature(Window.FEATURE_NO_TITLE);//// 窗口设置为全屏//getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,//WindowManager.LayoutParams.FLAG_FULLSCREEN);setContentView(R.layout.photoalbum);context =this;back= (ImageButton) findViewById(R.id.xiangce_back);back.setOnClickListener(new xcback());ok = (Button) findViewById(R.id.xiangceok);ok.setOnClickListener(new xcOk());list = getSD();imageBitmap();photoalbum = (GridView) findViewById(R.id.GridView_photoalbum);photoalbum.setNumColumns(4);photoalbum.setGravity(Gravity.CENTER);photoalbum.setVerticalSpacing(3);photoalbum.setHorizontalSpacing(1);photoalbum.setOnItemClickListener( new OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> parent, View view,int position, long id) {if (listtemp.size()>0) {falg= true;for (int i = 0; i < listtemp.size(); i++) {if (Integer.valueOf((listtemp.get(i).get("id")))==position) {listtemp.remove(i);Bitmap src = listB.get(position);((ImageView)view).setImageBitmap(src);falg = false;break;}}if(falg){Map<String, String> map = new HashMap<String, String>();map.put("id", String.valueOf(position));listtemp.add(map);Bitmap newb =BitmapFactory.decodeResource(getResources(),R.drawable.selected );Bitmap src = adapter.getcheckedImageIDPostion(position);Bitmap bi = Bitmap.createBitmap( view.getWidth(), view.getHeight(), Config.ARGB_8888 );Canvas cv = new Canvas( bi ); cv.drawBitmap( src, 2, 0, null );cv.drawBitmap( newb, view.getWidth() - newb.getWidth() -5, view.getHeight() - newb.getHeight() -5, null );//在src的右下角画入水印 cv.save( Canvas.ALL_SAVE_FLAG );//保存 cv.restore();//存储 ((ImageView)view).setImageBitmap(bi);falg = true;}}else {Map<String, String> map = new HashMap<String, String>();map.put("id", String.valueOf(position));listtemp.add(map);Bitmap newb =BitmapFactory.decodeResource(getResources(),R.drawable.selected );Bitmap src = adapter.getcheckedImageIDPostion(position);Bitmap bi = Bitmap.createBitmap( view.getWidth(), view.getHeight(), Config.ARGB_8888 );Canvas cv = new Canvas( bi ); cv.drawBitmap( src, 2, 0, null );cv.drawBitmap( newb, view.getWidth() - newb.getWidth() -5, view.getHeight() - newb.getHeight() -5, null );//在src的右下角画入水印 cv.save( Canvas.ALL_SAVE_FLAG );//保存 cv.restore();//存储 ((ImageView)view).setImageBitmap(bi);}}});}class xcback implements OnClickListener{@Overridepublic void onClick(View v) {finish();}}class xcOk implements OnClickListener{@Overridepublic void onClick(View v) {List<String> list01 = new ArrayList<String>();if(listtemp.size()>0){for (int i = 0; i < listtemp.size(); i++) {//list01.add(adapter.getcheckedImageIDPostion(Integer.valueOf(listtemp.get(i).get("id"))));list01.add(list.get(Integer.valueOf(listtemp.get(i).get("id"))));}}Intent intent = new Intent(BingoPhotoAlbumActivity.this,PhotoShake.class);if(list01.size()>0){intent.putExtra("listBitmap", (Serializable)list01);startActivity(intent);}else{Toast.makeText(BingoPhotoAlbumActivity.this, "请选择图片", Toast.LENGTH_SHORT).show();}}}public class ImageList extends BaseAdapter {private Context context;public ImageList(Context a) {this.context = a;}@Overridepublic int getCount() {return listB.size();}@Overridepublic Object getItem(int position) {return listB.get(position);}@Overridepublic long getItemId(int position) {return position;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ImageView iv = new ImageView(context);iv.setImageBitmap( listB.get(position));if(listtemp.size()>0){for (int i = 0; i < listtemp.size(); i++) {if(Integer.valueOf((listtemp.get(i).get("id")))==position){Bitmap newb =BitmapFactory.decodeResource(getResources(),R.drawable.selected );Bitmap src = adapter.getcheckedImageIDPostion(position);Bitmap bi = Bitmap.createBitmap( listB.get(position).getWidth(), listB.get(position).getHeight(), Config.ARGB_8888 );Canvas cv = new Canvas( bi ); cv.drawBitmap( src, 2, 0, null );cv.drawBitmap( newb, listB.get(position).getWidth() - newb.getWidth() -5, listB.get(position).getHeight() - newb.getHeight() -5, null );//在src的右下角画入水印 cv.save( Canvas.ALL_SAVE_FLAG );//保存 cv.restore();//存储 ((ImageView)iv).setImageBitmap(bi);}}}iv.setAdjustViewBounds(true);return iv;}/* 自定义获取对应位置的图片ID */public Bitmap getcheckedImageIDPostion(int i) {return listB.get(i);}}private void imageBitmap(){dialog = ProgressDialog.show(BingoPhotoAlbumActivity.this, "","加载中，请稍等···");new Thread() {@Overridepublic void run() {//List list01 = new ArrayList();Bitmap bitmap;for (int i = 0; i < list.size(); i++) {BitmapFactory.Options opts = new BitmapFactory.Options();opts.inJustDecodeBounds = true;BitmapFactory.decodeFile(list.get(i), opts);opts.inSampleSize = new ImageMemory().computeSampleSize(opts, -1, 110 * 110);opts.inJustDecodeBounds = false;Bitmap bmp = BitmapFactory.decodeFile(list.get(i), opts);ImageDispose iDispose= new ImageDispose();bitmap = iDispose.zoomBitmap(bmp, 110, 110);listB.add(bitmap);}Message message = new Message();message.what = 1;handler0.sendMessage(message);}}.start();}private Handler handler0 = new Handler() {public void handleMessage(android.os.Message msg) {switch (msg.what) {case 1:adapter = new ImageList(context);photoalbum.setAdapter(adapter);dialog.dismiss();break;case -1:break;}};};/** * * @return */private List<String> getSD() {/* 设定目前所在路径 */List<String> it = new ArrayList<String>();File f = new File(new JudgePath().getPath()+"/dcim/Camera");//File f = new File(path.getPath() );if (f.listFiles() != null) {File[] files = f.listFiles();/* 将所有文件存入ArrayList中 */for (int i = 0; i < files.length; i++) {File file = files[i];if (getImageFile(file.getPath()))it.add(file.getPath());}}return it;}private boolean getImageFile(String fName) {boolean re;/* 取得扩展名 */String end = fName.substring(fName.lastIndexOf(".") + 1, fName.length()).toLowerCase();/* 按扩展名的类型决定MimeType */if (end.equals("jpg") || end.equals("gif") || end.equals("png")|| end.equals("jpeg") || end.equals("bmp")) {re = true;} else {re = false;}return re;}} 更多相关文章
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