实例介绍
【实例简介】
【实例截图】
【实例截图】
【核心代码】
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();
}
}
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