IOS / Android / Python 程式開發學習紀錄

//Radiobutton功能練習 (溫度轉換)  MainActivity.java package com.example.user.myapplication28; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.text.Editable; import android.text.TextWatcher; import android.widget.EditText; import android.widget.RadioGroup; import android.widget.TextView; public class MainActivity extends AppCompatActivity         implements RadioGroup.OnCheckedChangeListener, TextWatcher {     RadioGroup unit;     EditText value;     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);         unit = (RadioGroup) findViewById(R.id.unit);         unit.setOnCheckedChangeListener(this);         value = (EditText) findViewById(R.id.value); ...

Android 練習的成果，RadioButton練習！ 以下是程式碼 //20170117 劉彥廷 //RadioButton "多選一的單選鈕"功能練習(購票系統)  MainActivity.java package com.example.user.myapplication26; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.RadioGroup; import android.widget.TextView; public class MainActivity extends AppCompatActivity {     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);     }           public void show(View v){         TextView txv = (TextView)findViewById(R.id.txv);             RadioGroup ticketType = (RadioGroup) findViewById(R.id.ticketType);         switch (ticketType.getCheckedRadioButtonId()){         ...