Александр Дорофеев

import java.util.Arrays;

public final class LongestSubstringFinder {

    private LongestSubstringFinder() {}

    public static String findLongestSubstringAtString(String string) {

        string = string.replaceAll("\\s+", " ");

        int quantityOfSuffixes = string.length();
        String[] suffixes = new String[quantityOfSuffixes];

        for (int i = 0; i < quantityOfSuffixes; i++) {
            suffixes[i] = string.substring(i, quantityOfSuffixes);
        }

        Arrays.sort(suffixes);

        String longestRepeatedSubstring = "";
        for (int i = 0; i < quantityOfSuffixes - 1; i++) {
            String x = findLongestCommonPrefixOfTwoStrings(suffixes[i], suffixes[i + 1]);

            if (x.length() > longestRepeatedSubstring.length()) {
                longestRepeatedSubstring = x;
            }
        }
        return longestRepeatedSubstring;
    }

    private static String findLongestCommonPrefixOfTwoStrings(String first, String second) {
        int quantity = Math.min(first.length(), second.length());
        for (int i = 0; i < quantity; i++) {
            if (first.charAt(i) != second.charAt(i))
                return first.substring(0, i);
        }
        return first.substring(0, quantity);
    }
}

@Test
    public void testFindLongestSubstringAtStringFirst() throws Exception {
        String testString = "Сайт toster, бла бла бла Сайт toster";
        String neededResult = "Сайт toster";
        String longestSubstring = LongestSubstringFinder
                .findLongestSubstringAtString(testString);
        assertEquals(longestSubstring, neededResult);
    }

    @Test
    public void testFindLongestSubstringAtStringSecond() throws Exception {
        String testString = "aboibooolsabbooolsadf";
        String neededResult = "booolsa";
        String longestSubstring = LongestSubstringFinder
                .findLongestSubstringAtString(testString);
        assertEquals(longestSubstring, neededResult);
    }

Drawable first = imageViewFirst.getDrawable();
Drawable second = imageViewSecond.getDrawable();
Drawable.ConstantState stateFirst = first.getConstantState();
Drawable.ConstantState stateSecond = second.getConstantState();
if(stateFirst.equals(stateSecond)) {
 // ваш код
}

Drawable imageViewDrawable = imageViewFirst.getDrawable();
Drawable.ConstantState imageViewDrawableState =imageViewDrawable.getConstantState();

Drawable fromResourcesDrawable = getResources().getDrawable(R.drawable.my_drawable);// ваш ресурс
Drawable.ConstantState fromResourcesState =  fromResourcesDrawable.getConstantState();

if(imageViewDrawable.equals(fromResourcesState)) {
 // ваш код
}

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            int canRead = ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE);
            int canWrite = ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE);

            if (canRead != PackageManager.PERMISSION_GRANTED || canWrite != PackageManager.PERMISSION_GRANTED) {

                //Нужно ли нам показывать объяснения , зачем нам нужно это разрешение
                if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
                    //показываем объяснение
                } else {
                    //просим разрешение
                    requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE,
                            Manifest.permission.READ_EXTERNAL_STORAGE}, NUMBER_OF_REQUEST);
                }
            } else {
                //ваш код
            }
        }

@Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        switch (requestCode) {
            case NUMBER_OF_REQUEST: {
                if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    Log.e("TAG", "Пользователь дал разрешение");
                } else {
                    Log.e("TAG", "Пользователь отклонил разрешение");
                }
                return;
            }
        }
    }

public static void main(String[] args) throws IOException {
        String fileName = "D:\\com.company\\shared\\JsonData.xml";
        String search = "(Apples = (\\d+))";
        String replace = "Apples = 5555";
        Charset charset = StandardCharsets.US_ASCII;
        Path path = Paths.get(fileName);
        Files.write(path,
                new String(Files.readAllBytes(path), charset).replaceAll(search, replace)
                        .getBytes(charset));
        
    }

<?xml version="1.0" encoding="US-ASCII"?>
<xs:element name="apple" type="xs:string" xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <apple>Apples = 13</apple>
    <apple>Fake</apple>
    <apple>Apples = 11</apple>
</xs:element>

<?xml version="1.0" encoding="US-ASCII"?>
<xs:element name="apple" type="xs:string" xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <apple>Apples = 5555</apple>
    <apple>Fake</apple>
    <apple>Apples = 5555</apple>
</xs:element>

if (myFrameLayout != null) { // FrameLayout существует только в layout для планшетов
  showInforamtionAtDetailFragment(); //поэтому если он существует - показываем информацию во фрагменте
  else {
   openDetailActivity(); // иначе - у нас смартфон, потому что layout не существует;открываем отдельную Activity
  }

PercentRelativeLayout.LayoutParams params = (PercentRelativeLayout.LayoutParams)
                myImageView.getLayoutParams();
 PercentLayoutHelper.PercentLayoutInfo info = params.getPercentLayoutInfo();
 info.heightPercent = 0.50f;
 myImageView.requestLayout();