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Android 将值置于编辑文本上_Android_Android Edittext - Fatal编程技术网

Android 将值置于编辑文本上

Android 将值置于编辑文本上,android,android-edittext,Android,Android Edittext,我正在做一个货币转换器,但当我在editText上输入一个值并单击botton以转换时,什么都没有发生,我多次看到代码,但没有看到错误,有人能帮我吗。 我是机器人中的乞丐 public class MainActivity extends Activity implements View.OnClickListener{ int money1, money2,money3,money4; int[] money = {money1,money2,money3,money4}; int fro

我正在做一个货币转换器,但当我在editText上输入一个值并单击botton以转换时,什么都没有发生,我多次看到代码,但没有看到错误,有人能帮我吗。 我是机器人中的乞丐

public class MainActivity extends Activity implements View.OnClickListener{


int money1, money2,money3,money4;
int[] money = {money1,money2,money3,money4};
int from;
TextView rate;
Button button1;
EditText ed1; 
EditText ed2; 
EditText ed3;
EditText ed4;
Spinner spinner1;
Spinner spinner2;
Spinner spinner3;
Spinner spinner4;


EditText[] values = {ed1,ed2,ed3,ed4};


 String[] spinnerValues = { "ANGOLAN KWANZA" , "ARGENTINE PESO" , "ARMENIAN DRAM" , "ARUBAN                          FLORIN" , "AUSTRALIAN DOLLAR" , "BELARUSIAN RUBLE" , "BOLIVIAN BOLIVIANO" , "BRAZILIAN REAL" , "CAMBODIAN RIEL","CANADIAN DOLLAR","CHINESE YUAN RENMINBI","EURO","INDIAN RUPEE","JAPANESE YEN", "LIBIAN DINAR","SWISS FRANC","THAI BAHT","BRITISH POUND","US DOLLAR","VIETNAMESE DONG"};
String[] simbol = { "AOA", "ARS", "AMD","AWG","AUD","BYR","BOB","BRL","KHR","CAD","CNY","EUR",
          "INR","JPY","CHF","THB","GBP","USD","VND","LYD"};

 int arr_images[] = { R.drawable.angola, R.drawable.argentina,
        R.drawable.armenia, R.drawable.aruba, R.drawable.australia,
        R.drawable.bielorussia, R.drawable.bolivia, R.drawable.brasil,
        R.drawable.cambodia, R.drawable.canada, R.drawable.china,
        R.drawable.eur, R.drawable.india, R.drawable.japan,
        R.drawable.libya, R.drawable.swiss, R.drawable.thai, R.drawable.uk,
        R.drawable.us, R.drawable.vietnam };

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    button1 = (Button) findViewById(R.id.button1);
    ed1 = (EditText) findViewById(R.id.editText1);
    ed2 = (EditText) findViewById(R.id.editText2);
    ed3 = (EditText) findViewById(R.id.editText3);
    ed4 = (EditText) findViewById(R.id.editText4);
    spinner1 = (Spinner) findViewById(R.id.spinner1);
    spinner2 = (Spinner) findViewById(R.id.spinner2);
    spinner3 = (Spinner) findViewById(R.id.spinner3);
    spinner4 = (Spinner) findViewById(R.id.spinner4);





Spinner mySpinner = (Spinner) 
        findViewById(R.id.spinner1); 
mySpinner.setAdapter(new MyAdapter(this, R.layout.custom_spinner, spinnerValues));  

Spinner mySpinner1 = (Spinner) 
        findViewById(R.id.spinner2); 
mySpinner1.setAdapter(new MyAdapter(this, R.layout.custom_spinner, spinnerValues));  

Spinner mySpinner2 = (Spinner) 
findViewById(R.id.spinner3); 
mySpinner2.setAdapter(new MyAdapter(this, R.layout.custom_spinner, spinnerValues));

Spinner mySpinner3 = (Spinner) 
findViewById(R.id.spinner4); 
mySpinner3.setAdapter(new MyAdapter(this, R.layout.custom_spinner, spinnerValues)); 

 button1.setOnClickListener(this);




  } 

 public class MyAdapter extends ArrayAdapter<String> 
 { public MyAdapter(Context ctx, int txtViewResourceId, String[] objects) 
 { super(ctx, txtViewResourceId, objects); } 

 @Override
  public View getDropDownView(int position, View cnvtView, ViewGroup prnt) 
 { return getCustomView(position, cnvtView, prnt); }

 @Override 

public View getView(int pos, View cnvtView, ViewGroup prnt) 
{ return getCustomView(pos, cnvtView, prnt); } 

 public View getCustomView(int position, View convertView, ViewGroup parent)
 { LayoutInflater inflater = getLayoutInflater(); 
 View mySpinner = inflater.inflate(R.layout.custom_spinner, parent, false);

  String[] spinnerValues = { "ANGOLAN KWANZA" , "ARGENTINE PESO" , "ARMENIAN DRAM" , "ARUBAN   FLORIN" , "AUSTRALIAN DOLLAR" , "BELARUSIAN RUBLE" , "BOLIVIAN BOLIVIANO" , "BRAZILIAN REAL" , "CAMBODIAN RIEL","CANADIAN DOLLAR","CHINESE YUAN RENMINBI","EURO","INDIAN RUPEE","JAPANESE YEN", "LIBIAN DINAR","SWISS FRANC","THAI BAHT","BRITISH POUND","US DOLLAR","VIETNAMESE DONG"};



    int arr_images[] = { R.drawable.angola, R.drawable.argentina,
    R.drawable.armenia, R.drawable.aruba, R.drawable.australia,
    R.drawable.bielorussia, R.drawable.bolivia, R.drawable.brasil,
    R.drawable.cambodia, R.drawable.canada, R.drawable.china,
    R.drawable.eur, R.drawable.india, R.drawable.japan,
    R.drawable.libya, R.drawable.swiss, R.drawable.thai, R.drawable.uk,
    R.drawable.us, R.drawable.vietnam };

    TextView main_text = (TextView) mySpinner .findViewById(R.id.text_main_seen);
    main_text.setText(spinnerValues[position]);

     ImageView left_icon = (ImageView) mySpinner .findViewById(R.id.left_pic); 
      left_icon.setImageResource(arr_images[position]); 
     return mySpinner;

     }
     public View getCustomView2(int position, View convertView, ViewGroup parent)
    { LayoutInflater inflater = getLayoutInflater(); 
      View mySpinner1 = inflater.inflate(R.layout.custom_spinner, parent, false);

      String[] spinnerValues = { "ANGOLAN KWANZA" , "ARGENTINE PESO" , "ARMENIAN DRAM" , "ARUBAN FLORIN" , "AUSTRALIAN DOLLAR" , "BELARUSIAN RUBLE" , "BOLIVIAN BOLIVIANO" , "BRAZILIAN REAL" , "CAMBODIAN RIEL","CANADIAN DOLLAR","CHINESE YUAN RENMINBI","EURO","INDIAN RUPEE","JAPANESE YEN", "LIBIAN DINAR","SWISS FRANC","THAI BAHT","BRITISH POUND","US DOLLAR","VIETNAMESE DONG"};



     int arr_images[] = { R.drawable.angola, R.drawable.argentina,
    R.drawable.armenia, R.drawable.aruba, R.drawable.australia,
    R.drawable.bielorussia, R.drawable.bolivia, R.drawable.brasil,
    R.drawable.cambodia, R.drawable.canada, R.drawable.china,
    R.drawable.eur, R.drawable.india, R.drawable.japan,
    R.drawable.libya, R.drawable.swiss, R.drawable.thai, R.drawable.uk,
    R.drawable.us, R.drawable.vietnam };

    TextView main_text = (TextView) mySpinner1 .findViewById(R.id.text_main_seen);
     main_text.setText(spinnerValues[position]);

     ImageView left_icon = (ImageView) mySpinner1 .findViewById(R.id.left_pic); 
       left_icon.setImageResource(arr_images[position]); 
     return mySpinner1;}

      public View getCustomView3(int position, View convertView, ViewGroup parent)
       { LayoutInflater inflater = getLayoutInflater(); 
      View mySpinner2 = inflater.inflate(R.layout.custom_spinner, parent, false);

     String[] spinnerValues = { "ANGOLAN KWANZA" , "ARGENTINE PESO" , "ARMENIAN DRAM" , "ARUBAN FLORIN" , "AUSTRALIAN DOLLAR" , "BELARUSIAN RUBLE" , "BOLIVIAN BOLIVIANO" , "BRAZILIAN REAL" , "CAMBODIAN RIEL","CANADIAN DOLLAR","CHINESE YUAN RENMINBI","EURO","INDIAN RUPEE","JAPANESE YEN", "LIBIAN DINAR","SWISS FRANC","THAI BAHT","BRITISH POUND","US DOLLAR","VIETNAMESE DONG"};



     int arr_images[] = { R.drawable.angola, R.drawable.argentina,
    R.drawable.armenia, R.drawable.aruba, R.drawable.australia,
    R.drawable.bielorussia, R.drawable.bolivia, R.drawable.brasil,
    R.drawable.cambodia, R.drawable.canada, R.drawable.china,
    R.drawable.eur, R.drawable.india, R.drawable.japan,
    R.drawable.libya, R.drawable.swiss, R.drawable.thai, R.drawable.uk,
    R.drawable.us, R.drawable.vietnam };

     TextView main_text = (TextView) mySpinner2 .findViewById(R.id.text_main_seen);
     main_text.setText(spinnerValues[position]);

       ImageView left_icon = (ImageView) mySpinner2 .findViewById(R.id.left_pic); 
       left_icon.setImageResource(arr_images[position]); 
       return mySpinner2;}

      public View getCustomView4(int position, View convertView, ViewGroup parent)
      { LayoutInflater inflater = getLayoutInflater(); 
       View mySpinner3 = inflater.inflate(R.layout.custom_spinner, parent, false);

       String[] spinnerValues = { "ANGOLAN KWANZA" , "ARGENTINE PESO" , "ARMENIAN DRAM" , "ARUBAN FLORIN" , "AUSTRALIAN DOLLAR" , "BELARUSIAN RUBLE" , "BOLIVIAN BOLIVIANO" , "BRAZILIAN REAL" , "CAMBODIAN RIEL","CANADIAN DOLLAR","CHINESE YUAN RENMINBI","EURO","INDIAN RUPEE","JAPANESE YEN", "LIBIAN DINAR","SWISS FRANC","THAI BAHT","BRITISH POUND","US DOLLAR","VIETNAMESE DONG"};



    int arr_images[] = { R.drawable.angola, R.drawable.argentina,
    R.drawable.armenia, R.drawable.aruba, R.drawable.australia,
    R.drawable.bielorussia, R.drawable.bolivia, R.drawable.brasil,
    R.drawable.cambodia, R.drawable.canada, R.drawable.china,
    R.drawable.eur, R.drawable.india, R.drawable.japan,
    R.drawable.libya, R.drawable.swiss, R.drawable.thai, R.drawable.uk,
    R.drawable.us, R.drawable.vietnam };

    TextView main_text = (TextView) mySpinner3 .findViewById(R.id.text_main_seen);
     main_text.setText(spinnerValues[position]);

    ImageView left_icon = (ImageView) mySpinner3 .findViewById(R.id.left_pic); 
    left_icon.setImageResource(arr_images[position]); 
    return mySpinner3;}


     public boolean onCreateOptionsMenu(Menu menu) {
     getMenuInflater().inflate(R.menu.main, menu);
      return true;
     }



      void getRate(int from, int to) {
        String currency;
       String currency2;


        currency2 = simbol[from];

        int i;

     for (i=0;i<=3;i=i+1){
        to=money[i];
         currency=simbol[to];



       GetExchangeRate httpRate;  
       httpRate = new GetExchangeRate(currency, currency2);
        Thread thr = new Thread(httpRate);
        thr.start();

       }}}

  private void writeRate(final String text) {
   runOnUiThread(new Runnable() {
  @Override
   public void run() {

    int i;

    for(i=0;i<=3;i=i+1){
        values[i].setText(text); 

  }
}
   });
    }

   private String readStream(InputStream in) {
     BufferedReader reader = null;
  StringBuffer response = new StringBuffer();
      try {
   reader = new BufferedReader(new InputStreamReader(in));
     String line = "";
     while ((line = reader.readLine()) != null) {
    response.append(line);
    }
   }
      catch (IOException e) {
      return e.getMessage();
   }
       finally {
       if (reader != null) {
          try {
         reader.close();
  } 
  catch (IOException e) {
    return e.getMessage();
       }
     }
    }
   return response.toString();
   } 

   private String transform(String rate) {
   String readableRate = null;

   JSONObject json;
    try {
   json = new JSONObject(rate);
   readableRate = " " + json.getDouble("rate");
    }
    catch (JSONException e) {
     readableRate = e.toString();
    } 
     return readableRate;  
    }


   //**************************************************************************
  //Internal class to call HTTP operation in a separate thread

   private class GetExchangeRate implements Runnable {
     String currency;
   String currency2;

     GetExchangeRate(String toCurrency, String fromCurrency) {
      currency = toCurrency;
        currency2= fromCurrency;

      } 

     @Override
     public void run() {
URL url;
HttpURLConnection urlConnection = null;

try {
  url = new URL("http://rate-exchange.appspot.com/currency?from=" + currency2 + "&to=" + currency);
  urlConnection = (HttpURLConnection) url.openConnection();
  urlConnection.setDoInput(true);
  urlConnection.setRequestProperty("Content-Type", "application/json");
  urlConnection.setUseCaches(false);

  int responseCode = urlConnection.getResponseCode();
  if(responseCode == HttpStatus.SC_OK) {
    String response = readStream(urlConnection.getInputStream());
    response = transform(response);
    writeRate(response);
  }
  else
    writeRate("Code: " + responseCode);
}
catch (Exception e) {
  writeRate(e.toString());
} 
finally {
  if(urlConnection != null)
    urlConnection.disconnect();

}
}
}


   @Override
  public void onClick(View v) {



    money1 = Integer.parseInt(String.valueOf(spinner1.getSelectedItemPosition())); 
money2 = Integer.parseInt(String.valueOf(spinner2.getSelectedItemPosition()));
money3 = Integer.parseInt(String.valueOf(spinner3.getSelectedItemPosition()));
money4 = Integer.parseInt(String.valueOf(spinner4.getSelectedItemPosition()));

int[] money = {money1,money2,money3,money4};
int i;

for(i=0; i<=3;i=i+1)

    if(values[i].getText().toString().trim().length() != 0){

            from=money[i];
            return;}

 }}
public类MainActivity扩展活动实现View.OnClickListener{
int money1、money2、money3、money4;
int[]money={money1,money2,money3,money4};
int from;
文本浏览率;
按钮1;
编辑文本ed1;
编辑文本ed2;
编辑文本ed3;
编辑文本ed4;
喷丝器喷丝器1;
喷丝器喷丝器2;
喷丝器喷丝器3;
喷丝器喷丝器4;
EditText[]值={ed1,ed2,ed3,ed4};
字符串[]spinnerValues={“安哥拉宽扎”、“阿根廷比索”、“亚美尼亚德拉姆”、“阿鲁班弗洛林”、“澳大利亚元”、“白俄罗斯卢布”、“玻利维亚诺”、“巴西雷亚尔”、“柬埔寨瑞尔”、“加拿大元”、“人民币”、“欧元”、“印度卢比”、“日元”、“利比亚第纳尔”、“瑞士法郎”、“泰铢”,“英镑”、“美元”、“越南盾”;
字符串[]simbol={“AOA”、“ARS”、“AMD”、“AWG”、“AUD”、“BYR”、“BOB”、“BRL”、“KHR”、“CAD”、“CNY”、“EUR”,
“印度卢比”、“日元”、“瑞士法郎”、“泰铢”、“英镑”、“美元”、“越南盾”、“荷兰盾”};
int arr_images[]={R.dravable.安哥拉,R.dravable.阿根廷,
R.drawable.亚美尼亚,R.drawable.阿鲁巴,R.drawable.澳大利亚,
R.drawable.bielorussia,R.drawable.玻利维亚,R.drawable.brasil,
柬埔寨,加拿大,中国,
可支取欧元,可支取印度,可支取日本,
R.drawable.利比亚,R.drawable.swiss,R.drawable.thai,R.drawable.uk,
R.dravable.us,R.dravable.越南};
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button1=(按钮)findViewById(R.id.button1);
ed1=(EditText)findViewById(R.id.editText1);
ed2=(EditText)findViewById(R.id.editText2);
ed3=(EditText)findViewById(R.id.editText3);
ed4=(EditText)findViewById(R.id.editText4);
喷丝头1=(喷丝头)findViewById(R.id.spinner1);
喷丝头2=(喷丝头)findViewById(R.id.spinner2);
喷丝头3=(喷丝头)findViewById(R.id.spinner3);
喷丝头4=(喷丝头)findViewById(R.id.spinner4);
微调器mySpinner=(微调器)
FindViewbyd(R.id.spinner1);
setAdapter(新的MyAdapter(this,R.layout.custom_微调器,spinnerValues));
微调器mySpinner1=(微调器)
findViewById(R.id.spinner2);
setAdapter(新的MyAdapter(this,R.layout.custom_微调器,spinnerValues));
微调器mySpinner2=(微调器)
findviewbyd(R.id.spinner3);
setAdapter(新的MyAdapter(this,R.layout.custom_微调器,spinnerValues));
微调器mySpinner3=(微调器)
findviewbyd(R.id.spinner4);
setAdapter(新的MyAdapter(this,R.layout.custom_微调器,spinnerValues));
button1.setOnClickListener(此);
} 
公共类MyAdapter扩展了ArrayAdapter
{公共MyAdapter(上下文ctx,int-txtViewResourceId,字符串[]对象)
{super(ctx,txtViewResourceId,objects);}
@凌驾
公共视图getDropDownView(内部位置、视图cnvtView、视图组prnt)
{返回getCustomView(位置,cnvtView,prnt);}
@凌驾
公共视图getView(内部位置、视图cnvtView、视图组prnt)
{返回getCustomView(pos、cnvtView、prnt);}
公共视图getCustomView(int位置、视图转换视图、视图组父视图)
{LayoutInflater充气机=getLayoutInflater();
查看mySpinner=充气器。充气(R.layout.custom_微调器,父项,false);
字符串[]spinnerValues={“安哥拉宽扎”、“阿根廷比索”、“亚美尼亚德拉姆”、“阿鲁班弗洛林”、“澳大利亚元”、“白俄罗斯卢布”、“玻利维亚诺”、“巴西雷亚尔”、“柬埔寨瑞尔”、“加拿大元”、“中国元人民币”、“欧元”、“印度卢比”、“日元”、“利比亚第纳尔”、“瑞士法郎”、“泰铢”、“英镑”美元,"越南盾";;
int arr_images[]={R.dravable.安哥拉,R.dravable.阿根廷,
R.drawable.亚美尼亚,R.drawable.阿鲁巴,R.drawable.澳大利亚,
R.drawable.bielorussia,R.drawable.玻利维亚,R.drawable.brasil,
柬埔寨,加拿大,中国,
可支取欧元,可支取印度,可支取日本,
R.drawable.利比亚,R.drawable.swiss,R.drawable.thai,R.drawable.uk,
R.dravable.us,R.dravable.越南};
TextView main\u text=(TextView)mySpinner.findViewById(R.id.text\u main\u seed);
main_text.setText(spinnerValues[position]);
ImageView left_icon=(ImageView)mySpinner.findViewById(R.id.left_pic);
左_图标。设置图像资源(arr_图像[位置]);
返回mySpinner;
}
公共视图getCustomView2(内部位置、视图转换视图、视图组父视图)
{LayoutInflater充气机=getLayoutInflater();
View mySpinner1=充气器。充气(R.layout.custom_微调器,父项,false);
字符串[]spinnerValues={“安哥拉宽扎”、“阿根廷比索”、“亚美尼亚德拉姆”、“阿鲁班弗洛林”、“澳大利亚元”、“白俄罗斯卢布”、“玻利维亚诺”、“巴西雷亚尔”、“柬埔寨瑞尔”、“加拿大元”、“中国元人民币”、“欧元”、“印度卢比”、“日元”、“利比亚第纳尔”、“瑞士法郎”、“泰铢”、“英镑”美元,"越南盾";;
int arr_images[]={R.dravable.安哥拉,R.dravable.阿根廷,
R.drawable.亚美尼亚,R.drawable.阿鲁巴,R.drawable.澳大利亚,
R.drawable.bielorussia,R.drawable.玻利维亚,R.drawable.brasil,
柬埔寨,加拿大,中国,
可支取欧元,可支取印度,可支取日本,
R.drawable.利比亚,R.drawable.swiss,R.drawable.thai,R.drawable.uk,
R.dravable.us,R.dravable.越南};
TextView main\u text=(TextView)mySpinner1.findViewById(R.id.text\u main\u seed);
main_text.setText(spinnerValues[position]);
ImageView left_icon=(ImageView)mySpinner1.findViewById(R.id.left_pic);
左_图标。设置图像资源(arr_图像[位置]);
返回mySpinner1;}
公共视图getCustomView3(内部位置,视图转换)
button1.setOnClickListener(this);
    // here call getRate with the appropriate arguments
}
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    button1 = (Button) findViewById(R.id.button1);
    ed1 = (EditText) findViewById(R.id.editText1);
    ed2 = (EditText) findViewById(R.id.editText2);
    ed3 = (EditText) findViewById(R.id.editText3);
    ed4 = (EditText) findViewById(R.id.editText4);
    values[0]=ed1;
    values[1]=ed2;
    values[2]=ed3;
    values[3]=ed4;
void getRate(int from, int to) {
        String currency;
       String currency2;


        currency2 = simbol[from];

        int i;

     for (i=0;i<=3;i=i+1){
        to=money[i];
         currency=simbol[to];



       GetExchangeRate httpRate;  
       httpRate = new GetExchangeRate(currency, currency2);
        Thread thr = new Thread(httpRate);
        thr.start();

       }}}//behind last of this brackets
}
void getRate(int from, int to) {
        String currency;
       String currency2;


        currency2 = simbol[from];

        int i;

     for (i=0;i<=3;i=i+1){
        to=money[i];
         currency=simbol[to];



       GetExchangeRate httpRate;  
       httpRate = new GetExchangeRate(currency, currency2);
        Thread thr = new Thread(httpRate);
        thr.start();

       }}
   @Override
  public void onClick(View v) {



    money1 = Integer.parseInt(String.valueOf(spinner1.getSelectedItemPosition())); 
money2 = Integer.parseInt(String.valueOf(spinner2.getSelectedItemPosition()));
money3 = Integer.parseInt(String.valueOf(spinner3.getSelectedItemPosition()));
money4 = Integer.parseInt(String.valueOf(spinner4.getSelectedItemPosition()));

int[] money = {money1,money2,money3,money4};
int i;

for(i=0; i<=3;i=i+1)

    if(values[i].getText().toString().trim().length() != 0){

            from=money[i];
            getRate( from,0) ;
            return;
    }

 }