Android: Spanish: issue while parsing float value : App crashes Steps:
1.set language as spanish in app
2.format some float value to single decimal
3.parse the formated value to again float
App crashes.
sample code given below:
Please help if you have any idea about this.
TextView textView = null;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView = (TextView) findViewById(R.id.textview);
float value = 3.456789f;
setLocale("es", this);//Set App language as Spanish
String parsedString = String.format("%.1f", value); // format the float value to single precision
float parsedValueFloat = Float.parseFloat(parsedString); // parse the value again to float.(APP Crashesh here)
textView.setText(parsedValueFloat+"");
}
public static void setLocale(String languageCode, Context ctx) {
Locale locale = new Locale(languageCode);
Locale.setDefault(locale);
Configuration config = new Configuration();
config.locale = locale;
ctx.getResources().updateConfiguration(config,
ctx.getResources().getDisplayMetrics());
}
Crash logs given below :
01-06 20:41:00.265: E/AndroidRuntime(3153): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.testcanvas/com.example.testcanvas.MainActivity}: java.lang.NumberFormatException: Invalid float: "3,5"
01-06 20:41:00.265: E/AndroidRuntime(3153): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2295)
01-06 20:41:00.265: E/AndroidRuntime(3153): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2349)
01-06 20:41:00.265: E/AndroidRuntime(3153): at android.app.ActivityThread.access$700(ActivityThread.java:159)
01-06 20:41:00.265: E/AndroidRuntime(3153): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1316)
01-06 20:41:00.265: E/AndroidRuntime(3153): at android.os.Handler.dispatchMessage(Handler.java:99)
01-06 20:41:00.265: E/AndroidRuntime(3153): at android.os.Looper.loop(Looper.java:137)
01-06 20:41:00.265: E/AndroidRuntime(3153): at android.app.ActivityThread.main(ActivityThread.java:5419)
01-06 20:41:00.265: E/AndroidRuntime(3153): at java.lang.reflect.Method.invokeNative(Native Method)
01-06 20:41:00.265: E/AndroidRuntime(3153): at java.lang.reflect.Method.invoke(Method.java:525)
01-06 20:41:00.265: E/AndroidRuntime(3153): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1187)
01-06 20:41:00.265: E/AndroidRuntime(3153): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
01-06 20:41:00.265: E/AndroidRuntime(3153): at dalvik.system.NativeStart.main(Native Method)
01-06 20:41:00.265: E/AndroidRuntime(3153): Caused by: java.lang.NumberFormatException: Invalid float: "3,5"
01-06 20:41:00.265: E/AndroidRuntime(3153): at java.lang.StringToReal.invalidReal(StringToReal.java:63)
01-06 20:41:00.265: E/AndroidRuntime(3153): at java.lang.StringToReal.parseFloat(StringToReal.java:310)
01-06 20:41:00.265: E/AndroidRuntime(3153): at java.lang.Float.parseFloat(Float.java:300)
01-06 20:41:00.265: E/AndroidRuntime(3153): at com.example.testcanvas.MainActivity.onCreate(MainActivity.java:31)
01-06 20:41:00.265: E/AndroidRuntime(3153): at android.app.Activity.performCreate(Activity.java:5372)
01-06 20:41:00.265: E/AndroidRuntime(3153): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1104)
01-06 20:41:00.265: E/AndroidRuntime(3153): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2257)
01-06 20:41:00.265: E/AndroidRuntime(3153): ... 11 more
Float.parseFloat()
只能识别.
作为小数点,即它不考虑语言环境。 - Mike M.Caused by: java.lang.NumberFormatException: Invalid float: "3,5"
- Phantômaxx