致命異常：主要java.lang.IllegalStateException：無法執行活動

Question

的方法，這是我的代碼

import android.app.Activity; 
import android.os.Bundle; 
import android.view.Menu; 
import android.view.MenuItem; 
import android.view.View; 
import android.widget.AdapterView; 
import android.widget.ArrayAdapter; 
import android.widget.Button; 
import android.widget.EditText; 
import android.widget.RadioButton; 
import android.widget.RadioGroup; 
import android.widget.Spinner; 


public class MainActivity extends Activity implements RadioGroup.OnCheckedChangeListener { 


    private RadioButton r1; 
    private RadioButton r2; 
    private RadioButton r3; 
    private RadioButton r4; 
    private RadioButton r5; 
    private RadioButton r6; 
    private RadioGroup rg1; 
    private RadioGroup rg2; 
    private EditText v; 
    private EditText v2; 
    public Button button; 
    Spinner spinner; 
    @Override 
    public void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main); 


     r1 = (RadioButton) findViewById(R.id.r1); 
     r2 = (RadioButton) findViewById(R.id.r2); 
     r3 = (RadioButton) findViewById(R.id.r3); 
     r4 = (RadioButton) findViewById(R.id.r4); 
     r5 = (RadioButton) findViewById(R.id.r5); 
     r6 = (RadioButton) findViewById(R.id.r6); 
     rg1 = (RadioGroup) findViewById(R.id.rg1); 
     rg2 = (RadioGroup) findViewById(R.id.rg2); 
     v = (EditText) findViewById(R.id.v); 
     v2 = (EditText) findViewById(R.id.v2); 
     button = (Button) findViewById(R.id.button); 
     spinner = (Spinner) findViewById(R.id.spinner); 

     rg1.setOnCheckedChangeListener(this); 
     rg2.setOnCheckedChangeListener(this); 

     String[] unidades={"Volumen","Longitud","Masa","Temperatura"}; 
     ArrayAdapter<String> lista = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, unidades); 
     spinner.setAdapter(lista); 

     spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { 
      @Override 
      public void onItemSelected(AdapterView<?> parent, View view, int i, long id) { 
       switch (i){ 
        case 0: 
         r1.setText("Litros"); 
         r2.setText("MiliLitros"); 
         r3.setText("Onzas"); 
         r4.setText("Litros"); 
         r5.setText("MiliLitros"); 
         r6.setText("Onzas"); 


         break; 
        case 1: 
         r1.setText("cm"); 
         r2.setText("m"); 
         r3.setText("Km"); 
         r4.setText("cm"); 
         r5.setText("m"); 
         r6.setText("Km"); 

         break; 
        case 2: 
         r1.setText("g"); 
         r2.setText("Kg"); 
         r3.setText("Lb"); 
         r4.setText("g"); 
         r5.setText("Kg"); 
         r6.setText("Lb"); 
         break; 

        case 3: 
         r1.setText("Kelvin"); 
         r2.setText("Farenhaith"); 
         r3.setText("Centigrados"); 
         r4.setText("Kelvin"); 
         r5.setText("Farenhaith"); 
         r6.setText("Centigrados"); 
         break; 
       } 
      } 


      @Override 
      public void onNothingSelected(AdapterView<?> parent) { 

      } 
     }); 
    } 


    public void onClick (View view){ 
     String selec=spinner.getSelectedItem().toString(); 

     if (selec.equals("Volumen")) { 
      if (r1.isChecked() && r5.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       int c = b*1000; 
       v2.setText(c); 
      } 

      if (r1.isChecked() && r6.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = b*33.814; 
       v2.setText((int)c); 
      } 

      if (r2.isChecked() && r4.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       int c = b/1000; 
       v2.setText(c); 
      } 

      if (r2.isChecked() && r6.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = b*0.033814; 
       v2.setText((int)c); 
      } 

      if (r3.isChecked() && r4.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = b/33.814; 
       v2.setText((int)c); 
      } 

      if (r3.isChecked() && r5.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = b/0.033814; 
       v2.setText((int)c); 
      } 
     } 

     String selec1=spinner.getSelectedItem().toString(); 
     if (selec1.equals("Longitud")) { 
      if (r1.isChecked() && r5.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       int c = b/100; 
       v2.setText(c); 
      } 

      if (r1.isChecked() && r6.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       int c = b/100000; 
       v2.setText(c); 
      } 

      if (r2.isChecked() && r4.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       int c = b * 100; 
       v2.setText(c); 
      } 

      if (r2.isChecked() && r6.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       int c = b * 1000; 
       v2.setText(c); 
      } 

      if (r3.isChecked() && r4.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       int c = b * 100000; 
       v2.setText(c); 
      } 

      if (r3.isChecked() && r5.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       int c = b/1000; 
       v2.setText(c); 
      } 
     } 


     String selec2=spinner.getSelectedItem().toString(); 
     if (selec2.equals("Masa")){ 
      if (r1.isChecked() && r5.isChecked()) { 
       String a= v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = b*0.001; 
       v2.setText((int) c); 
      } 


      if (r1.isChecked() && r6.isChecked()) { 
       String a= v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = b*0.0022046; 
       v2.setText((int) c); 
      } 

      if (r2.isChecked() && r4.isChecked()){ 
       String a= v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = b/0.001; 
       v2.setText((int) c); 
      } 

      if (r2.isChecked() && r6.isChecked()){ 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = b * 2.2046; 
       v2.setText((int) c); 
      } 

      if (r3.isChecked() && r4.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = b/0.0022046; 
       v2.setText((int) c); 
      } 

      if (r3.isChecked() && r4.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = b/2.2046; 
       v2.setText((int) c); 
      } 
     } 

     String selec3=spinner.getSelectedItem().toString(); 
     if (selec3.equals("Temperatura")){ 
      if (r1.isChecked() && r5.isChecked()) { 
       String a= v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = (1.8*(b-273))+32; 
       v2.setText((int)c); 
      } 


      if (r1.isChecked() && r6.isChecked()) { 
       String a= v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = b-273.15; 
       v2.setText((int) c); 
      } 

      if (r2.isChecked() && r4.isChecked()){ 
       String a= v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = (b-32)/1.8; 
       double d = c+273.15; 
       v2.setText((int) d); 
      } 

      if (r2.isChecked() && r6.isChecked()){ 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = (b-32)/1.8; 
       v2.setText((int) c); 
      } 

      if (r3.isChecked() && r4.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = b +273.15; 
       v2.setText((int) c); 
      } 

      if (r3.isChecked() && r4.isChecked()) { 
       String a = v.getText().toString(); 
       int b = Integer.parseInt(a); 
       double c = (b*1.8)+32; 
       v2.setText((int) c); 
      } 
     } 

    } 


    @Override 
    public boolean onCreateOptionsMenu(Menu menu) { 
     // Inflate the menu; this adds items to the action bar if it is present. 
     getMenuInflater().inflate(R.menu.conversor, menu); 
     return true; 
    } 

    @Override 
    public boolean onOptionsItemSelected(MenuItem item) { 
     // Handle action bar item clicks here. The action bar will 
     // automatically handle clicks on the Home/Up button, so long 
     // as you specify a parent activity in AndroidManifest.xml. 
     int id = item.getItemId(); 
     if (id == R.id.action_settings) { 
      return true; 
     } 
     return super.onOptionsItemSelected(item); 
    } 


    @Override 
    public void onCheckedChanged(RadioGroup group, int checkedId) { 


    } 
} 

---

//這是錯誤：

FATAL EXCEPTION: main 

Process: com.example.user.conversor, PID: 13477 
java.lang.IllegalStateException: Could not execute method of the activity 
    at android.view.View$1.onClick(View.java:3823) 
    at android.view.View.performClick(View.java:4438) 
    at android.view.View$PerformClick.run(View.java:18422) 
    at android.os.Handler.handleCallback(Handler.java:733) 
    at android.os.Handler.dispatchMessage(Handler.java:95) 
    at android.os.Looper.loop(Looper.java:136) 
    at android.app.ActivityThread.main(ActivityThread.java:5017) 
    at java.lang.reflect.Method.invokeNative(Native Method) 
    at java.lang.reflect.Method.invoke(Method.java:515) 
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779) 
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595) 
    at dalvik.system.NativeStart.main(Native Method) 
Caused by: java.lang.reflect.InvocationTargetException 
    at java.lang.reflect.Method.invokeNative(Native Method) 
    at java.lang.reflect.Method.invoke(Method.java:515) 
    at android.view.View$1.onClick(View.java:3818) 
    at android.view.View.performClick(View.java:4438)  
    at android.view.View$PerformClick.run(View.java:18422)  
    at android.os.Handler.handleCallback(Handler.java:733)  
    at android.os.Handler.dispatchMessage(Handler.java:95)  
    at android.os.Looper.loop(Looper.java:136)  
    at android.app.ActivityThread.main(ActivityThread.java:5017)  
    at java.lang.reflect.Method.invokeNative(Native Method)  
    at java.lang.reflect.Method.invoke(Method.java:515)  
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)  
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)  
    at dalvik.system.NativeStart.main(Native Method)  
Caused by: android.content.res.Resources$NotFoundException: String resource ID #0x2710 
    at android.content.res.Resources.getText(Resources.java:244) 
    at android.widget.TextView.setText(TextView.java:3888) 
    at com.example.user.conversor.MainActivity.onClick(MainActivity.java:118) 
    at java.lang.reflect.Method.invokeNative(Native Method)  
    at java.lang.reflect.Method.invoke(Method.java:515)  
    at android.view.View$1.onClick(View.java:3818)  
    at android.view.View.performClick(View.java:4438)  
    at android.view.View$PerformClick.run(View.java:18422)  
    at android.os.Handler.handleCallback(Handler.java:733)  
    at android.os.Handler.dispatchMessage(Handler.java:95)  
    at android.os.Looper.loop(Looper.java:136)  
    at android.app.ActivityThread.main(ActivityThread.java:5017)  
    at java.lang.reflect.Method.invokeNative(Native Method)  
    at java.lang.reflect.Method.invoke(Method.java:515)  
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)  
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)  
    at dalvik.system.NativeStart.main(Native Method) 

//AND THIS IS DE XML CODE: 

<RelativeLayout 
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent" 
    xmlns:android="http://schemas.android.com/apk/res/android"> 

    <TextView 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:textAppearance="?android:attr/textAppearanceLarge" 
     android:text="Seleccionar" 
     android:id="@+id/textView" 
     android:layout_alignParentTop="true" 
     android:layout_centerHorizontal="true" /> 

    <Spinner 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:id="@+id/spinner" 
     android:layout_below="@+id/textView" /> 

    <TextView 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:textAppearance="?android:attr/textAppearanceLarge" 
     android:text="Origen" 
     android:id="@+id/textView2" 
     android:layout_below="@+id/spinner" 
     android:layout_centerHorizontal="true" /> 

    <RadioGroup 
     android:id="@+id/rg1" 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" 
     android:layout_alignParentStart="true" 
     android:layout_alignParentEnd="true" 
     android:layout_below="@+id/textView2"> 

     <RadioButton 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:id="@+id/r1" 
      android:checked="false" /> 

     <RadioButton 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:id="@+id/r2" 
      android:checked="false" /> 

     <RadioButton 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:id="@+id/r3" 
      android:checked="false" /> 

    </RadioGroup> 

    <TextView 
     android:layout_width="wrap_content" 
     android:layout_height="41dp" 
     android:textAppearance="?android:attr/textAppearanceLarge" 
     android:text="Destino" 
     android:id="@+id/textView4" 
     android:layout_gravity="center_horizontal" 
     android:layout_above="@+id/rg2" 
     android:layout_centerHorizontal="true" /> 

    <RadioGroup 
     android:id="@+id/rg2" 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" 
     android:layout_alignParentBottom="true" 
     android:layout_alignParentStart="true" 
     android:layout_marginBottom="114dp"> 



     <RadioButton 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:id="@+id/r4" 
      android:checked="false" /> 

     <RadioButton 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:id="@+id/r5" 
      android:checked="false" 
      android:layout_alignParentTop="true" 
      android:layout_alignEnd="@+id/textView3" /> 

     <RadioButton 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:id="@+id/r6" 
      android:checked="false" /> 

    </RadioGroup> 

    <Button 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:text="Convertir" 
     android:id="@+id/button" 
     android:onClick="onClick" 
     android:layout_gravity="center_horizontal" 
     android:layout_above="@+id/v2" 
     android:layout_centerHorizontal="true" /> 

    <EditText 
     android:layout_width="147dp" 
     android:layout_height="wrap_content" 
     android:inputType="number" 
     android:ems="10" 
     android:id="@+id/v2" 
     android:layout_gravity="center_horizontal" 
     android:layout_marginBottom="32dp" 
     android:layout_alignParentBottom="true" 
     android:layout_centerHorizontal="true" /> 

    <TextView 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:textAppearance="?android:attr/textAppearanceLarge" 
     android:text="Valor" 
     android:id="@+id/textView3" 
     android:layout_gravity="center_horizontal" 
     android:layout_below="@+id/rg1" 
     android:layout_centerHorizontal="true" /> 

    <EditText 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:id="@+id/v" 
     android:layout_centerVertical="true" 
     android:layout_alignStart="@+id/textView" 
     android:layout_alignEnd="@+id/textView" /> 


</RelativeLayout> 

Answer 1

what is the problem??

解釋是堆棧跟蹤的這一行：

原因：android.content.res.Resources $ NotFoundException：字符串資源ID＃0x2710

缺少資源。如果仔細查看堆棧跟蹤中的行號並與代碼中的行號進行比較，則應該能夠識別提取資源的行。這會告訴你哪些資源丟失。