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  1.  	private void setTextSize() {
  2.         DeviceInchAndTextSize deviceInchAndTextSize = new DeviceInchAndTextSize();
  3.         TextView[] changeTextSizeViews = {reserveFieldStoreText , reserveFieldDateText , reserveFieldTimeText};
  4.         deviceInchAndTextSize.setViews(changeTextSizeViews);
  5.         deviceInchAndTextSize.checkDeviceInchAndSetTextSize();
  6.  
  7.     }
  8.  
  9.     private class DeviceInchAndTextSize {
  10.         private TextView[] changeTextSizeViews ;
  11.  
  12.         private DeviceInchAndTextSize() {
  13.         }
  14.  
  15.         void setViews( TextView[] changeTextSizeViews){
  16.             this.changeTextSizeViews = changeTextSizeViews;
  17.         }
  18.  
  19.         void checkDeviceInchAndSetTextSize() {
  20.             switch (checkDeviceInch()) {
  21.                 case "above10":
  22.                     for ( TextView changeTextSizeView : changeTextSizeViews ){
  23.                         setTextSize(changeTextSizeView, 26);
  24.                     }
  25.                     break;
  26.                 case "between10And7":
  27.                     for ( TextView changeTextSizeView : changeTextSizeViews ){
  28.                         setTextSize(changeTextSizeView, 22);
  29.                     }
  30.                     break;
  31.                 case "below7":
  32.                     for ( TextView changeTextSizeView : changeTextSizeViews ){
  33.                         setTextSize(changeTextSizeView, 14);
  34.                     }
  35.                     break;
  36.  
  37.             }
  38.         }
  39.  
  40.         String checkDeviceInch() {
  41.             int inch = (int)getInch();
  42.             if (inch >= 10) {
  43.                 return "above10";
  44.             } else if (inch >= 7) {
  45.                 return "between10And7";
  46.             } else {
  47.                 return "below7";
  48.             }
  49.         }
  50.  
  51.         void setTextSize(TextView textView, int size) {
  52.             textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, size);
  53.  
  54.         }
  55.  
  56.         private double getInch() {
  57.             DisplayMetrics display = MainActivity.this.getResources().getDisplayMetrics();
  58.             int height = (int) (display.heightPixels / display.ydpi);
  59.             int width = (int) (display.widthPixels / display.xdpi);
  60.  
  61.             return Math.sqrt((width * width) + (height * height));
  62.         }
  63.  
  64.     }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:1: error: class, interface, or enum expected
 	private void setTextSize() {
 	        ^
Main.java:3: error: class, interface, or enum expected
        TextView[] changeTextSizeViews = {reserveFieldStoreText , reserveFieldDateText , reserveFieldTimeText};
        ^
Main.java:4: error: class, interface, or enum expected
        deviceInchAndTextSize.setViews(changeTextSizeViews);
        ^
Main.java:5: error: class, interface, or enum expected
        deviceInchAndTextSize.checkDeviceInchAndSetTextSize();
        ^
Main.java:7: error: class, interface, or enum expected
    }
    ^
5 errors
stdout
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Standard output is empty
https://ideone.com/dHn6Dp
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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