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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