package com.example.love_reading;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.example.love_reading.R.id;
import com.example.love_reading.seeyou.CaptureActivityPortrait;
import com.example.love_reading.sql.ContentBean;
import com.example.love_reading.sql.SQLiteHelper;
import com.example.love_reading.util.DataUtil;
import android.os.Bundle;
import android.os.Handler;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnLongClickListener;
import android.view.View.OnTouchListener;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity {
/** Called when the activity is first created. */
private List<Map<String, Object>> mData;
private ListView shelf_list;
// 书架的列数
public ImageButton button_check;
private int i;
public static final String DB_NAME = "bookInfo.db";
public static int DB_VERSION = 1;
private SQLiteDatabase db;
private SQLiteHelper dbHelper;
private long mExitTime;
private Cursor cursor;
private String tag = MainActivity.this.getClass().getSimpleName();
private File path = new File("/sdcard/love_reading");// 创建目录
private File f = new File("/sdcard/love_reading/bookInfo.db");// 创建文件
private ProgressDialog mpd;
private MyAdapter adapter;
private Handler hd;
boolean longClicked = false;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
exit.getInstance().addActivity(this);
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
button_check=(ImageButton)findViewById(id.shelf_image_button);
createData();
init();
setlistener();
getisbn();
}
/* private void init() {
// TODO Auto-generated method stub
shelf_list = (ListView) findViewById(R.id.shelf_list);
ShelfAdapter adapter = new ShelfAdapter();
shelf_list.setAdapter(adapter);
}*/
private void init() {
shelf_list = (ListView) findViewById(R.id.shelf_list);
mData = gettp();
adapter = new MyAdapter(this);
shelf_list.setAdapter(adapter);
}
/**
* 提取数据库数据，填充list内数据
*/
private List<Map<String, Object>> gettp() {
BitmapDrawable bd;
List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
Map<String, Object> map;
try {
dbHelper = new SQLiteHelper(this, DB_NAME, null, DB_VERSION);
db = SQLiteDatabase.openOrCreateDatabase(f, null);
/* 查询表，得到cursor对象 */
cursor = db.rawQuery("select * from bookInfo", null);
cursor.moveToFirst();
Log.i(tag, "show");
i=0;
while (!cursor.isAfterLast() && (cursor.getString(1) != null)) {
map = new HashMap<String, Object>();
map.put("title",cursor.getString(1));
map.put("img", BitmapFactory.decodeByteArray(cursor.getBlob(7), 0, cursor.getBlob(7).length));
list.add(map);
cursor.moveToNext();
}
} catch (IllegalArgumentException e) {
// 当用SimpleCursorAdapter装载数据时，表ID列必须是_id，否则报错column '_id' does not
// exist
e.printStackTrace();
// 当版本变更时会调用SQLiteHelper.onUpgrade()方法重建表 注：表以前数据将丢失
++DB_VERSION;
dbHelper.onUpgrade(db, --DB_VERSION, DB_VERSION);
// dbHelper.updateColumn(db, SQLiteHelper.ID, "_"+SQLiteHelper.ID,
// "integer");
}
return list;
}
private void createData() {
if (!path.exists()) {// 目录存在返回false
path.mkdirs();// 创建一个目录
}
if (!f.exists()) {// 文件存在返回false
try {
f.createNewFile();// 创建文件
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
try {
/* 初始化并创建数据库 */
// if (dbHelper == null) {
dbHelper = new SQLiteHelper(this, DB_NAME, null, DB_VERSION);
// }
/* 创建表 */
// db = dbHelper.getWritableDatabase();
db = SQLiteDatabase.openOrCreateDatabase(f, null);
StringBuilder sql = new StringBuilder();
sql.append("CREATE TABLE IF NOT EXISTS ").append(SQLiteHelper.TB_NAME).append(" (").append("_id integer primary key autoincrement,")
.append("name text,").append("author text,")
.append("publisher text,").append("date text,")
.append("isbn text,").append("summary text,")
.append("image BLOB,").append("price text,").append("pages text")
.append(")");
db.execSQL(sql.toString());
} catch (IllegalArgumentException e) {
// 当用SimpleCursorAdapter装载数据时，表ID列必须是_id，否则报错column '_id' does not
// exist
e.printStackTrace();
// 当版本变更时会调用SQLiteHelper.onUpgrade()方法重建表 注：表以前数据将丢失
++DB_VERSION;
dbHelper.onUpgrade(db, --DB_VERSION, DB_VERSION);
// dbHelper.updateColumn(db, SQLiteHelper.ID, "_"+SQLiteHelper.ID,
// "integer");
}
db.close();
}
public final class ViewHolder{
public ImageView img;
public TextView title;
}
public class MyAdapter extends BaseAdapter{
private LayoutInflater mInflater;
public MyAdapter(Context context){
this.mInflater = LayoutInflater.from(context);
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return mData.size();
}
@Override
public Object getItem(int arg0) {
// TODO Auto-generated method stub
return null;
}
@Override
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
if (convertView == null) {
holder=new ViewHolder();
convertView = mInflater.inflate(R.layout.vlist, null);
holder.img = (ImageView)convertView.findViewById(R.id.img);
holder.title = (TextView)convertView.findViewById(R.id.title);
convertView.setTag(holder);
}else {
holder = (ViewHolder)convertView.getTag();
}
holder.img.setImageBitmap((Bitmap)mData.get(position).get("img"));
holder.title.setText((String)mData.get(position).get("title"));
return convertView;
}
}
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;
}
public void setlistener() {
// TODO Auto-generated method stub
button_check.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if(event.getAction() == MotionEvent.ACTION_DOWN){
//鏇存敼涓烘寜涓嬫椂鐨勮儗鏅浘鐗�
//v.setBackgroundResource(R.drawable.pressed);
}else if(event.getAction() == MotionEvent.ACTION_UP){
//鏀逛负鎶捣鏃剁殑鍥剧墖
//v.setBackgroundResource(R.drawable.released);
Intent i = new Intent();
i.setClass(MainActivity.this, CaptureActivityPortrait.class);
startActivity(i);
}
return false;
}
});
if(longClicked==false){
shelf_list.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
// TODO Auto-generated method stub
getall(arg2);
}
});
}
shelf_list.setOnItemLongClickListener(new OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> adapterView, View view, int i, long l) {
delete(i);
// change();
// deletebox(i);
return false;
}
});
}
protected void change() {
// TODO Auto-generated method stub
boolean longClicked = true;
}
private void deletebox(final int i){
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage("真的要删除"+mData.get(i).get("title")+"这本书吗？")
.setCancelable(false)
.setPositiveButton("是", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
delete(i);
longClicked = false;
}
})
.setNegativeButton("否", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
longClicked = false;
}
}).show();
AlertDialog alert = builder.create();
}
private void delete(int i) {
hd= new Handler();
dbHelper = new SQLiteHelper(this, DB_NAME, null, DB_VERSION);
db = SQLiteDatabase.openOrCreateDatabase(f, null);
db.delete("bookInfo","name='"+mData.get(i).get("title")+"'", null);
hd.post(add);
}
private void getall(int arg2) {
Intent intent = new Intent(MainActivity.this, Booksee.class);
try {
dbHelper = new SQLiteHelper(this, DB_NAME, null, DB_VERSION);
db = SQLiteDatabase.openOrCreateDatabase(f, null);
/* 查询表，得到cursor对象 */
cursor = db.rawQuery("select * from bookInfo where name='"+mData.get(arg2).get("title")+"'", null);
cursor.moveToFirst();
Log.i(tag, "show");
Log.i(tag, "test1:"+cursor.getString(1));
intent.putExtra("name", cursor.getString(1));
Log.i(tag, "test1:"+cursor.getString(2));
intent.putExtra("author", cursor.getString(2));
Log.i(tag, "test1:"+cursor.getString(3));
intent.putExtra("publisher", cursor.getString(3));
Log.i(tag, "test1:"+cursor.getString(4));
intent.putExtra("date", cursor.getString(4));
Log.i(tag, "test1:"+cursor.getString(5));
intent.putExtra("isbn", cursor.getString(5));
Log.i(tag, "test1:"+cursor.getString(6));
intent.putExtra("summary", cursor.getString(6));
Log.i(tag, "test1:"+cursor.getBlob(7));
intent.putExtra("image", cursor.getBlob(7));
Log.i(tag, "test1:"+cursor.getString(8));
intent.putExtra("price", cursor.getString(8));
Log.i(tag, "test1:"+cursor.getString(9));
intent.putExtra("pages", cursor.getString(9));
} catch (IllegalArgumentException e) {
e.printStackTrace();
++DB_VERSION;
dbHelper.onUpgrade(db, --DB_VERSION, DB_VERSION);
}
startActivity(intent);
}
private void getisbn() {
// TODO Auto-generated method stub
Intent intent = this.getIntent();
String isbn = intent.getStringExtra("bookId");
Log.i(tag, "result2:" + isbn);
if (isbn!=null) getbookinfo(isbn);
isbn = null;
}
private void getbookinfo(String isbn) {
// TODO Auto-generated method stub
try {
mpd=new ProgressDialog(this);
mpd.setMessage("信息下载中。。。");
mpd.show();
hd= new Handler();
new DownloadThread(isbn).start();
} catch (Exception e) {
// TODO: handle exception
new AlertDialog.Builder(this)
.setTitle("提醒" )
.setMessage("图书信息获取错误" )
.setPositiveButton("确定" , null )
.show();
return ;
}
}
Runnable add=new Runnable(){
@Override
public void run() {
mData = gettp();
shelf_list.setAdapter(adapter); }
};
private class DownloadThread extends Thread
{
String url=null;
public DownloadThread(String isbn)
{
url="https://api.douban.com/v2/book/isbn/"+isbn;
Log.i(tag, "url:"+url);
}
public void run()
{
String result=DataUtil.Download(url);
Log.i("OUTPUT", "download over");
BookInfo book=new DataUtil().parseBookInfo(result);
Log.i("OUTPUT",book.getPrice()+book.getPages());
Log.i("OUTPUT", "parse over");
Log.i("OUTPUT",book.getSummary()+book.getAuthor());
Log.i("OUTPUT","send over");
sqlsave(book);
hd.post(add);
}
}
public void sqlsave(BookInfo book) {
// TODO Auto-generated method stub
db = SQLiteDatabase.openOrCreateDatabase(f, null);
dbHelper = new SQLiteHelper(this, DB_NAME, null, DB_VERSION);
dbHelper.insertData(db , book.getTitle() , book.getAuthor() , book.getPublisher() , book.getPublishDate() , book.getISBN() , book.getSummary() , book.getBitmap(),book.getPrice(),book.getPages());
mpd.dismiss();
}
//返回键处理
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
if ((System.currentTimeMillis() - mExitTime) > 2000) {
Toast.makeText(this, "再按一次退出程序", Toast.LENGTH_SHORT).show();
mExitTime = System.currentTimeMillis();
} else {
exit.getInstance().exit();
}
return true;
}
return super.onKeyDown(keyCode, event);
}
}