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from-java-to-kotlin | From Java To Kotlin Your Cheat Sheet For Java To Kotlin | Android library

 by   MindorksOpenSource Java Version: Current License: Apache-2.0

 by   MindorksOpenSource Java Version: Current License: Apache-2.0

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kandi X-RAY | from-java-to-kotlin Summary

from-java-to-kotlin is a Java library typically used in Mobile, Android, Spring Boot, Gradle applications. from-java-to-kotlin has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. However from-java-to-kotlin build file is not available. You can download it from GitHub.
From Java To Kotlin - Your Cheat Sheet For Java To Kotlin.
Support
Support
Quality
Quality
Security
Security
License
License
Reuse
Reuse

kandi-support Support

  • from-java-to-kotlin has a medium active ecosystem.
  • It has 5174 star(s) with 711 fork(s). There are 183 watchers for this library.
  • It had no major release in the last 12 months.
  • There are 4 open issues and 6 have been closed. On average issues are closed in 204 days. There are 1 open pull requests and 0 closed requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of from-java-to-kotlin is current.
from-java-to-kotlin Support
Best in #Android
Average in #Android
from-java-to-kotlin Support
Best in #Android
Average in #Android

quality kandi Quality

  • from-java-to-kotlin has 0 bugs and 3 code smells.
from-java-to-kotlin Quality
Best in #Android
Average in #Android
from-java-to-kotlin Quality
Best in #Android
Average in #Android

securitySecurity

  • from-java-to-kotlin has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
  • from-java-to-kotlin code analysis shows 0 unresolved vulnerabilities.
  • There are 0 security hotspots that need review.
from-java-to-kotlin Security
Best in #Android
Average in #Android
from-java-to-kotlin Security
Best in #Android
Average in #Android

license License

  • from-java-to-kotlin is licensed under the Apache-2.0 License. This license is Permissive.
  • Permissive licenses have the least restrictions, and you can use them in most projects.
from-java-to-kotlin License
Best in #Android
Average in #Android
from-java-to-kotlin License
Best in #Android
Average in #Android

buildReuse

  • from-java-to-kotlin releases are not available. You will need to build from source code and install.
  • from-java-to-kotlin has no build file. You will be need to create the build yourself to build the component from source.
  • Installation instructions are not available. Examples and code snippets are available.
  • from-java-to-kotlin saves you 16 person hours of effort in developing the same functionality from scratch.
  • It has 46 lines of code, 8 functions and 4 files.
  • It has low code complexity. Code complexity directly impacts maintainability of the code.
from-java-to-kotlin Reuse
Best in #Android
Average in #Android
from-java-to-kotlin Reuse
Best in #Android
Average in #Android
Top functions reviewed by kandi - BETA

kandi has reviewed from-java-to-kotlin and discovered the below as its top functions. This is intended to give you an instant insight into from-java-to-kotlin implemented functionality, and help decide if they suit your requirements.

  • Returns true if this Developer is equal to the given Developer name .
  • Returns a string representation of this developer .
  • Returns a unique hash code of this object .
  • Gets the name .
  • Set the name .
  • Get the age of this object .
  • Set the age of the entry .

from-java-to-kotlin Key Features

From Java To Kotlin - Your Cheat Sheet For Java To Kotlin

Print to Console

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System.out.print("Amit Shekhar");
System.out.println("Amit Shekhar");

Constants and Variables

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String name = "Amit Shekhar";
final String name = "Amit Shekhar";

Assigning the null value

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String otherName;
otherName = null;

Verify if value is null

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if (text != null) {
  int length = text.length();
}

Verify if value is NotNull OR NotEmpty

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String sampleString = "Shekhar";
if (!sampleString.isEmpty()) {
    myTextView.setText(sampleString);
}
if(sampleString!=null && !sampleString.isEmpty()){
    myTextView.setText(sampleString); 
}

Concatenation of strings

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String firstName = "Amit";
String lastName = "Shekhar";
String message = "My name is: " + firstName + " " + lastName;

New line in string

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String text = "First Line\n" +
              "Second Line\n" +
              "Third Line";

Substring

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String str = "Java to Kotlin Guide";
String substr = "";

//print java
substr = str.substring(0, 4);
System.out.println("substring = " + substr);

//print kotlin
substr = str.substring(8, 14);
System.out.println("substring = " + substr);

Ternary Operations

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String text = x > 5 ? "x > 5" : "x <= 5";

String message = null;
log(message != null ? message : "");

Bitwise Operators

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final int andResult  = a & b;
final int orResult   = a | b;
final int xorResult  = a ^ b;
final int rightShift = a >> 2;
final int leftShift  = a << 2;
final int unsignedRightShift = a >>> 2;

Check the type and casting

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if (object instanceof Car) {
	Car car = (Car) object;
}

Check the type and casting (implicit)

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if (object instanceof Car) {
   Car car = (Car) object;
}

Multiple conditions

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if (score >= 0 && score <= 300) { }

Multiple Conditions (Switch case)

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int score = // some score;
String grade;
switch (score) {
	case 10:
	case 9:
		grade = "Excellent";
		break;
	case 8:
	case 7:
	case 6:
		grade = "Good";
		break;
	case 5:
	case 4:
		grade = "OK";
		break;
	case 3:
	case 2:
	case 1:
		grade = "Fail";
		break;
	default:
	    grade = "Fail";				
}

For-loops

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for (int i = 1; i <= 10 ; i++) { }

for (int i = 1; i < 10 ; i++) { }

for (int i = 10; i >= 0 ; i--) { }

for (int i = 1; i <= 10 ; i+=2) { }

for (int i = 10; i >= 0 ; i-=2) { }

for (String item : collection) { }

for (Map.Entry<String, String> entry: map.entrySet()) { }

Collections

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final List<Integer> listOfNumber = Arrays.asList(1, 2, 3, 4);

final Map<Integer, String> keyValue = new HashMap<Integer, String>();
map.put(1, "Amit");
map.put(2, "Ali");
map.put(3, "Mindorks");

// Java 9
final List<Integer> listOfNumber = List.of(1, 2, 3, 4);

final Map<Integer, String> keyValue = Map.of(1, "Amit",
                                             2, "Ali",
                                             3, "Mindorks");

for each

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// Java 7 and below
for (Car car : cars) {
  System.out.println(car.speed);
}

// Java 8+
cars.forEach(car -> System.out.println(car.speed));

// Java 7 and below
for (Car car : cars) {
  if (car.speed > 100) {
    System.out.println(car.speed);
  }
}

// Java 8+
cars.stream().filter(car -> car.speed > 100).forEach(car -> System.out.println(car.speed));
cars.parallelStream().filter(car -> car.speed > 100).forEach(car -> System.out.println(car.speed));

Splitting arrays

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String[] splits = "param=car".split("=");
String param = splits[0];
String value = splits[1];

Defining methods

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void doSomething() {
   // logic here
}

Default values for method parameters

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double calculateCost(int quantity, double pricePerItem) {
    return pricePerItem * quantity;
}

double calculateCost(int quantity) {
    // default price is 20.5
    return 20.5 * quantity;
}

Variable number of arguments

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void doSomething(int... numbers) {
   // logic here
}

Defining methods with return

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int getScore() {
   // logic here
   return score;
}

Returning result of an operation

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int getScore(int value) {
    // logic here
    return 2 * value;
}

Constructors

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public class Utils {

    private Utils() {
      // This utility class is not publicly instantiable
    }

    public static int getScore(int value) {
        return 2 * value;
    }

}

Getters and Setters

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public class Developer {

    private String name;
    private int age;

    public Developer(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        Developer developer = (Developer) o;

        if (age != developer.age) return false;
        return name != null ? name.equals(developer.name) : developer.name == null;

    }

    @Override
    public int hashCode() {
        int result = name != null ? name.hashCode() : 0;
        result = 31 * result + age;
        return result;
    }

    @Override
    public String toString() {
        return "Developer{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }
}

Cloning or copying

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public class Developer implements Cloneable {

    private String name;
    private int age;

    public Developer(String name, int age) {
        this.name = name;
        this.age = age;
    }

    @Override
    protected Object clone() throws CloneNotSupportedException {
        return (Developer)super.clone();
    }
}

// cloning or copying
Developer dev = new Developer("Mindorks", 30);
try {
    Developer dev2 = (Developer) dev.clone();
} catch (CloneNotSupportedException e) {
    // handle exception
}

Class methods

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public class Utils {

    private Utils() {
      // This utility class is not publicly instantiable
    }

    public static int triple(int value) {
        return 3 * value;
    }

}

int result = Utils.triple(3);

Generics

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// Example #1
interface SomeInterface<T> {
    void doSomething(T data);
}

class SomeClass implements SomeInterface<String> {
    @Override
    public void doSomething(String data) {
        // some logic
    }
}

// Example #2
interface SomeInterface<T extends Collection<?>> {
    void doSomething(T data);
}

class SomeClass implements SomeInterface<List<String>> {

    @Override
    public void doSomething(List<String> data) {
        // some logic
    }
}

Defining uninitialized objects

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Person person;

enum

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public enum Direction {
        NORTH(1),
        SOUTH(2),
        WEST(3),
        EAST(4);

        int direction;

        Direction(int direction) {
            this.direction = direction;
        }

        public int getDirection() {
            return direction;
        }
    }

Sorting List

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List<Profile> profiles = loadProfiles(context);
Collections.sort(profiles, new Comparator<Profile>() {
    @Override
    public int compare(Profile profile1, Profile profile2) {
        if (profile1.getAge() > profile2.getAge()) return 1;
        if (profile1.getAge() < profile2.getAge()) return -1;
        return 0;
    }
});

Anonymous Class

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 AsyncTask<Void, Void, Profile> task = new AsyncTask<Void, Void, Profile>() {
    @Override
    protected Profile doInBackground(Void... voids) {
        // fetch profile from API or DB
        return null;
    }

    @Override
    protected void onPreExecute() {
        super.onPreExecute();
        // do something
    }
};

Initialization block

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public class User {
    {  //Initialization block
        System.out.println("Init block");
    }
}

License

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   Copyright (C) 2017 MINDORKS NEXTGEN PRIVATE LIMITED

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

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QUESTION

Captured Image is not storing in android 11

Asked 2022-Mar-02 at 10:46

I'm unable to store captured image in (getExternalFilesDir(Environment.DIRECTORY_PICTURES)) Android 11 device.

I have added <uses-permissionandroid:name="android.permission.MANAGE_EXTERNAL_STORAGE"/> in manifest and all file access also. But it's not working.

if (Build.VERSION.SDK_INT >= 30) {
            if (!Environment.isExternalStorageManager()) {
                try {
                    val intent = Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION)
                    intent.addCategory("android.intent.category.DEFAULT")
                    intent.data = Uri.parse(String.format("package:%s", applicationContext.packageName))
                    startActivityForResult(intent, 2296)
                } catch (e: Exception) {
                    val intent = Intent()
                    intent.action = Settings.ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION
                    startActivityForResult(intent, 2296)
                }
            }
        }

This code is working below Android 11 device. But on Android 11 file is not creating File(context.getExternalFilesDir(Environment.DIRECTORY_PICTURES) .toString() + "/" + FolderName )

ANSWER

Answered 2021-Jul-31 at 10:25

use this code for save captured image

String mPath = Environment.getExternalStorageDirectory() + "/Print";
    Bitmap tmp = BitmapFactory.decodeFile(mPath);

 File imageFile = new File(mPath);


    FileOutputStream outStream;

    try
    {
        outStream = new FileOutputStream(imageFile);

        try
        {
            bitmap.compress(Bitmap.CompressFormat.JPEG, quality, outStream);
            outStream.flush();
            outStream.close();
        } catch (IOException e)
        {
            e.printStackTrace();
        }

    } catch (Exception e)
    {
        e.printStackTrace();
    }

Source https://stackoverflow.com/questions/68600921

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install from-java-to-kotlin

You can download it from GitHub.
You can use from-java-to-kotlin like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the from-java-to-kotlin component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

Support

Just make a pull request. You are in!.

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