我正在製作一個android應用程序,並且該應用程序的組件之一被設計爲在二進制文件中將數字轉換爲十進制數。每次運行它都會崩潰。我如何從二進制轉換爲Java中的十進制(使用android studio)
public void Button0Clicked(View v)
{
TextView myText = (TextView)findViewById(R.id.textView);
if (firstType == true)
{
myText.setText("");
firstType = false;
}
myText.setText(myText.getText() + "0");
}
public void Button1Clicked(View v)
{
TextView myText = (TextView)findViewById(R.id.textView);
if (firstType == true)
{
myText.setText("");
firstType = false;
}
myText.setText(myText.getText() + "1");
}
public void Conversion(View view)
{
TextView myText = (TextView)findViewById(R.id.textView);
int decimalValue = Integer.parseInt(myText.getText().toString(),2);
TextView result = (TextView)findViewById(R.id.textView2);
result.setText(decimalValue);
}
我已經縮小問題到一些問題與的Integer.parseInt()函數,是我錯了執行?
堆棧跟蹤
07-04 09:43:17.806 29832-29832/com.example.jay.myapplication2 E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.example.jay.myapplication2, PID: 29832
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:5001)
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:785)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
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:5001)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.content.res.Resources$NotFoundException: String resource ID #0x271a
at android.content.res.Resources.getText(Resources.java:244)
at android.widget.TextView.setText(TextView.java:3888)
at com.example.jay.myapplication2.MyActivity.Conversion(MyActivity.java:66)
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:5001)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
它崩潰時的錯誤是什麼?它拋出異常嗎?它是什麼? –
在Logcat中,它表示「java.lang.IllegalStateException:無法執行活動的方法」 – user3806093
您可以使用logcat添加一個堆棧跟蹤到問題中。 –