android移动应用开发课程报告.docx

android移动应用开发课程报告.docx,manyyoungpeoplelackingofthesenseofmoney,,emclyoucansearchit,,chooseBiankActivitySOLiteDatabeise,,,,,pleteseveralLayoutThecodet=res▼.******@.******@icon.******@mohsearch.******@]a/c计 ▼E]..;importandroid・;;importandroid・database・sqlit©.SQLiteOpenHelper;lassCreatwSQLiteDatabaswg龙tendsSQLiteOpenHelper{reatwSQLiteDatabasw(Corit^xtcontwxt’Stringname,£actory,iritsuper(conname,factory,version);}publicvoidonCreatw(SQLiteDatabas©db){Stringsql二匚REATEIABLEIFHOTEXISTSgoods_list+(idI1TTEGERprimarykeyautoincrQmQrit,(sql);}publicvoidonUpgrade(SQLiteDatabaswdb,intoldVersion,iritnewVersion){}}(BundlesavedinstancwStatw){(savedinstancwState);swtContwntViww(^ain);dabaseITame=GoodsMessdabaseHelper=newCreateSQLiteDatabase(this’dabaselTame,null,1);edit_name二(EditText)findViwwEyld( ;wdit_price=(Editlext)flndVi©wEyld();}publicvoidsaveGoods(¥iewview){Stringname=()・toString().trim();Stringprice=()・toString()・trim();Toasttoast;if(zLame—nxillI|price==null)return;db=dabaseHelper. itableDatabasm();Stringsql=insertintogoods^list[i①namQ,price.)values(???,?.)\(sql,newObject[]{null,name,price});&keText(this,ess!\^SHORT);toast,setGravity(,20,60);toast,show();();}catch(Exceptionexp.){toast二Toast,makelext(this,fail!+exp,^SHORI);toa