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   源码介绍

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package com.titlelist;


import java.util.ArrayList;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.Toast;

import com.classcontents.ContentTitleActiivity;
import com.dialydb.ClassifyDB;
import com.main.R;
import com.projectConstant.ProjectConstant;

public class TitleActivity extends Activity {
	ListView myListView;
	ClassifyAdapter myAdapter;
	ClassifyDB myClassifyDB;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		requestWindowFeature(Window.FEATURE_NO_TITLE);
		setContentView(R.layout.title_main);
		init();
		
	}
	
	public void init(){
		myListView = (ListView)findViewById(R.id.title_main_list);
		myAdapter = new ClassifyAdapter(this);
		myClassifyDB = new ClassifyDB(this);
		storeNewInstall();
		myListView.setAdapter(myAdapter);
		myListView.setOnItemLongClickListener(myitemclick);
		myListView.setOnItemClickListener(myClickListener);
	}
	/******************************/
	OnItemLongClickListener myitemclick = new OnItemLongClickListener() {

		@Override
		public boolean onItemLongClick(AdapterView<?> arg0, View arg1,
				int arg2, long arg3) {
			// TODO Auto-generated method stub
			showLongClickDlg(arg2);
			return true;
		}
	}; 
	OnItemClickListener myClickListener = new OnItemClickListener() {

		@Override
		public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
				long arg3) {
			// TODO Auto-generated method stub
			toClassTitle(myAdapter.myArrayList.get(arg2).getClassifyName());
		}
		
	};
	
	/******************************/
	public void showLongClickDlg(final int arg2){
		LinearLayout longClickDlg = (LinearLayout)getLayoutInflater().inflate(R.layout.title_main_longdialog, null);
		Button modifyBtn = (Button)longClickDlg.findViewById(R.id.titlt_main_modify);
		Button addClassBtn = (Button)longClickDlg.findViewById(R.id.titlt_main_addclass);
		Button delButton = (Button)longClickDlg.findViewById(R.id.titlt_main_del);
		
		
		final AlertDialog myAlertDialog = new AlertDialog.Builder(this)
		.setTitle(R.string.selector)
		.setView(longClickDlg)
		.setNegativeButton(R.string.cancel, null)
		.show();
		modifyBtn.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				
				myAlertDialog.dismiss();
				showModifyClass(arg2);
			}
		});
		addClassBtn.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				myAlertDialog.dismiss();
				showAddClass(arg2);
			}
		});
		
		delButton.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				
				myAlertDialog.dismiss();
				showDelClass(arg2);
			}
		});
	}
	
	public void showAddClass(int arg2){
		final LinearLayout addclassDlg = (LinearLayout)getLayoutInflater().inflate(R.layout.title_main_addclassdllg, null);
		new AlertDialog.Builder(this)
		.setTitle(R.string.addclass)
		.setView(addclassDlg)
		.setPositiveButton(R.string.surebutton, new DialogInterface.OnClickListener() {
			
			@Override
			public void onClick(DialogInterface dialog, int which) {
				// TODO Auto-generated method stub
				EditText titleEdt = (EditText)addclassDlg.findViewById(R.id.title_main_add_title);
				EditText desEdt = (EditText)addclassDlg.findViewById(R.id.title_main_add_des);
				if(!("".equals(titleEdt.getText().toString().trim()))){
				ClassifyClass myClass = new ClassifyClass();
				if(!("".equals(desEdt.getText().toString().trim()))){
				myClass.setClassify(titleEdt.getText().toString(), desEdt.getText().toString(), 0);
				}else{
					myClass.setClassify(titleEdt.getText().toString(), titleEdt.getText().toString(), 0);
				}
				if(!myClassifyDB.isExisted(myClass)){
				myAdapter.addClass(myClass);
					}else{
						Toast.makeText(TitleActivity.this, R.string.classexist, Toast.LENGTH_LONG).show();
					}
				
				}else{
					Toast.makeText(TitleActivity.this, R.string.inefficttiitle, Toast.LENGTH_LONG).show();
				}
			}
		})
		.setNegativeButton(R.string.cancel, null)
		.show();
	}
	public void showModifyClass(final int arg2){
		LinearLayout modifyDlg = (LinearLayout)getLayoutInflater().inflate(R.layout.title_main_modifydialog, null);
		final EditText myEditText = (EditText)modifyDlg.findViewById(R.id.title_main_modify_context);
		myEditText.setText(myAdapter.myArrayList.get(arg2).getClassifyDes());
		myEditText.setSelection(myEditText.getText().length());
		new AlertDialog.Builder(this)
		.setTitle(myAdapter.myArrayList.get(arg2).getClassifyName())
		.setView(modifyDlg)
		.setPositiveButton(R.string.surebutton, new DialogInterface.OnClickListener() {
			
			@Override
			public void onClick(DialogInterface dialog, int which) {
				// TODO Auto-generated method stub
				if(myEditText.getText().toString().length() > 0){
				myAdapter.modifyClass(myEditText.getText().toString(), arg2);
				}else{
					Toast.makeText(TitleActivity.this, R.string.ineffictdes, Toast.LENGTH_LONG).show();
				}
				
			}
		})
		.setNegativeButton(R.string.cancel, null)
		.show();
		
	}
	public void showDelClass(final int arg2){
		new AlertDialog.Builder(this)
		.setTitle(R.string.delete)
		.setMessage(myAdapter.myArrayList.get(arg2).getClassifyName())
		.setPositiveButton(R.string.surebutton, new DialogInterface.OnClickListener() {
			
			@Override
			public void onClick(DialogInterface dialog, int which) {
				// TODO Auto-generated method stub
				if(myAdapter.myArrayList.get(arg2).getcClassifyNum() == 0){
					if((0 != arg2)){
					myAdapter.delClass(arg2);
					}else{
						Toast.makeText(TitleActivity.this, R.string.systemclass, Toast.LENGTH_LONG).show();
					}
				}else{
					Toast.makeText(TitleActivity.this, R.string.ineffict, Toast.LENGTH_LONG).show();
				}
			}
		})
		.setNegativeButton(R.string.cancel, null)
		.show();
	}
	/******************************/
	
	public void storeNewInstall(){
		SharedPreferences sp = getSharedPreferences("new_data", MODE_PRIVATE);
		SharedPreferences.Editor editor = sp.edit();
		if(sp.getInt("count", 0) == 0){
		editor.putInt("count", 1);
		editor.commit();
		initInstall();
		}else{
			myAdapter.myArrayList = getArrayList();
			myAdapter.notifyDataSetChanged();
		}
	}
	
	private void  initInstall(){
		String[] dataArrays = {"使用说明", "我的日志", "健康饮食", "书本摘要", "朋友性格备份", "旅行攻略","疾病诊断" };
		ClassifyClass myClass;
		for(int i = 0; i < dataArrays.length; i   ){
			myClass = new ClassifyClass();
			myClass.setClassify(dataArrays[i], dataArrays[i], 0);
			myAdapter.addClass(myClass);
		}
	}
	
	private ArrayList<ClassifyClass> getArrayList(){
		ArrayList<ClassifyClass> myInsArrayList = new ArrayList<ClassifyClass>();
		ClassifyClass myClass;
		Cursor myCursor = myClassifyDB.selectClassify();
		if(myCursor.moveToFirst()){
			while(!myCursor.isAfterLast()){
				myClass = new ClassifyClass();
				myClass.setClassify(myCursor.getString(myCursor.getColumnIndex(ProjectConstant.classify_name)),
						myCursor.getString(myCursor.getColumnIndex(ProjectConstant.classify_des)),
						myCursor.getInt(myCursor.getColumnIndex(ProjectConstant.classify_num)));
				myInsArrayList.add(myClass);
				myCursor.moveToNext();
			}
		}
		myCursor.close();
		return myInsArrayList;
	} 
	/******************************/
	public void toClassTitle(String parentname){
		Intent intent = new Intent();
		intent.setClass(this, ContentTitleActiivity.class);
		intent.putExtra("parentname", parentname);
		startActivity(intent);
	}
	/******************************/
	@Override
	protected void onResume() {
		// TODO Auto-generated method stub
		super.onResume();
		myAdapter.myArrayList = getArrayList();
		myAdapter.notifyDataSetChanged();
	}
}