├── .gitignore ├── LICENSE ├── README.md ├── app ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── demo │ │ └── jsonpreviewer │ │ └── ExampleInstrumentedTest.kt │ ├── main │ ├── AndroidManifest.xml │ ├── assets │ │ ├── jquery.json-viewer.css │ │ ├── jquery.json-viewer.js │ │ ├── jquery.min.js │ │ └── preview_json.html │ ├── java │ │ └── com │ │ │ └── demo │ │ │ └── jsonpreviewer │ │ │ ├── EditJsonViewModel.kt │ │ │ └── MainActivity.kt │ └── res │ │ ├── drawable-v24 │ │ └── ic_launcher_foreground.xml │ │ ├── drawable │ │ └── ic_launcher_background.xml │ │ ├── layout │ │ └── activity_main.xml │ │ ├── mipmap-anydpi-v26 │ │ ├── ic_launcher.xml │ │ └── ic_launcher_round.xml │ │ ├── mipmap-hdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-mdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-xhdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-xxhdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-xxxhdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── navigation │ │ └── nav_graph.xml │ │ ├── raw │ │ └── json_file.json │ │ ├── values-land │ │ └── dimens.xml │ │ ├── values-night │ │ └── themes.xml │ │ ├── values-w1240dp │ │ └── dimens.xml │ │ ├── values-w600dp │ │ └── dimens.xml │ │ ├── values │ │ ├── colors.xml │ │ ├── dimens.xml │ │ ├── strings.xml │ │ └── themes.xml │ │ └── xml │ │ ├── backup_rules.xml │ │ └── data_extraction_rules.xml │ └── test │ └── java │ └── com │ └── demo │ └── jsonpreviewer │ └── ExampleUnitTest.kt ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── images └── img.png └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea 5 | /.idea/caches 6 | /.idea/libraries 7 | /.idea/modules.xml 8 | /.idea/workspace.xml 9 | /.idea/navEditor.xml 10 | /.idea/assetWizardSettings.xml 11 | .DS_Store 12 | /build 13 | /captures 14 | .externalNativeBuild 15 | .cxx 16 | local.properties 17 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ## A simple & light json previewer repository on android 2 | ![](https://github.com/dazhaoDai/JsonPreviewer/blob/main/images/img.png) 3 | ### How to use 4 | 1. import the assets to your project 5 | 2. init Webview 6 | ``` kotlin 7 | binding.webView.settings.apply { 8 | javaScriptEnabled = true 9 | javaScriptCanOpenWindowsAutomatically = true 10 | setSupportZoom(true) 11 | useWideViewPort = true 12 | builtInZoomControls = true 13 | } 14 | binding.webView.addJavascriptInterface(JsInterface(this@MainActivity), "json_parse") 15 | ``` 16 | then load the `preview_json.html` 17 | ``` kotlin 18 | webView.loadUrl("file:///android_asset/preview_json.html") 19 | ``` 20 | 3. Load your json file and convert to string 21 | ``` kotlin 22 | webView.loadUrl("javascript:showJson($str)") 23 | ``` 24 | 25 | 4. Save your json 26 | ``` kotlin 27 | inner class JsInterface(context: Context) { 28 | private val mContext: Context 29 | 30 | init { 31 | mContext = context 32 | } 33 | 34 | @JavascriptInterface 35 | fun configContentChanged() { 36 | runOnUiThread { 37 | contentChanged = true 38 | } 39 | } 40 | 41 | @JavascriptInterface 42 | fun toastJson(msg: String?) { 43 | runOnUiThread { Toast.makeText(mContext, msg, Toast.LENGTH_SHORT).show() } 44 | } 45 | 46 | // save json string 47 | @JavascriptInterface 48 | fun saveConfig(jsonString: String?) { 49 | runOnUiThread { 50 | contentChanged = false 51 | Toast.makeText(mContext, "verification succeed", Toast.LENGTH_SHORT).show() 52 | } 53 | } 54 | 55 | //format failed 56 | @JavascriptInterface 57 | fun parseJsonException(e: String?) { 58 | runOnUiThread { 59 | e?.takeIf { it.isNotBlank() }?.let { alert(it) } 60 | } 61 | } 62 | } 63 | 64 | ``` -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # You can control the set of applied configuration files using the 3 | # proguardFiles setting in build.gradle. 4 | # 5 | # For more details, see 6 | # http://developer.android.com/guide/developing/tools/proguard.html 7 | 8 | # If your project uses WebView with JS, uncomment the following 9 | # and specify the fully qualified class name to the JavaScript interface 10 | # class: 11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 12 | # public *; 13 | #} 14 | 15 | # Uncomment this to preserve the line number information for 16 | # debugging stack traces. 17 | #-keepattributes SourceFile,LineNumberTable 18 | 19 | # If you keep the line number information, uncomment this to 20 | # hide the original source file name. 21 | #-renamesourcefileattribute SourceFile -------------------------------------------------------------------------------- /app/src/androidTest/java/com/demo/jsonpreviewer/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package com.demo.jsonpreviewer 2 | 3 | import androidx.test.platform.app.InstrumentationRegistry 4 | import androidx.test.ext.junit.runners.AndroidJUnit4 5 | 6 | import org.junit.Test 7 | import org.junit.runner.RunWith 8 | 9 | import org.junit.Assert.* 10 | 11 | /** 12 | * Instrumented test, which will execute on an Android device. 13 | * 14 | * See [testing documentation](http://d.android.com/tools/testing). 15 | */ 16 | @RunWith(AndroidJUnit4::class) 17 | class ExampleInstrumentedTest { 18 | @Test 19 | fun useAppContext() { 20 | // Context of the app under test. 21 | val appContext = InstrumentationRegistry.getInstrumentation().targetContext 22 | assertEquals("com.demo.jsonpreviewer", appContext.packageName) 23 | } 24 | } -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 15 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 29 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /app/src/main/assets/jquery.json-viewer.css: -------------------------------------------------------------------------------- 1 | /* Root element */ 2 | .json-document { 3 | padding: 1em 2em; 4 | } 5 | 6 | /* Syntax highlighting for JSON objects */ 7 | ul.json-dict, ol.json-array { 8 | list-style-type: none; 9 | margin: 0 0 0 1px; 10 | border-left: 1px dotted #ccc; 11 | padding-left: 2em; 12 | } 13 | .json-string { 14 | color: #0B7500; 15 | } 16 | .json-literal { 17 | color: #1A01CC; 18 | font-weight: bold; 19 | } 20 | 21 | /* Toggle button */ 22 | a.json-toggle { 23 | position: relative; 24 | color: inherit; 25 | text-decoration: none; 26 | } 27 | a.json-toggle:focus { 28 | outline: none; 29 | } 30 | a.json-toggle:before { 31 | font-size: 1.1em; 32 | color: #c0c0c0; 33 | content: "\25BC"; /* down arrow */ 34 | position: absolute; 35 | display: inline-block; 36 | width: 1em; 37 | text-align: center; 38 | line-height: 1em; 39 | left: -1.2em; 40 | } 41 | a.json-toggle:hover:before { 42 | color: #aaa; 43 | } 44 | a.json-toggle.collapsed:before { 45 | /* Use rotated down arrow, prevents right arrow appearing smaller than down arrow in some browsers */ 46 | transform: rotate(-90deg); 47 | } 48 | 49 | /* Collapsable placeholder links */ 50 | a.json-placeholder { 51 | color: #aaa; 52 | padding: 0 1em; 53 | text-decoration: none; 54 | } 55 | a.json-placeholder:hover { 56 | text-decoration: underline; 57 | } -------------------------------------------------------------------------------- /app/src/main/assets/jquery.json-viewer.js: -------------------------------------------------------------------------------- 1 | /** 2 | * jQuery json-viewer 3 | * @author: Alexandre Bodelot 4 | * @link: https://github.com/abodelot/jquery.json-viewer 5 | */ 6 | (function($) { 7 | 8 | /** 9 | * Check if arg is either an array with at least 1 element, or a dict with at least 1 key 10 | * @return boolean 11 | */ 12 | function isCollapsable(arg) { 13 | return arg instanceof Object && Object.keys(arg).length > 0; 14 | } 15 | 16 | /** 17 | * Check if a string represents a valid url 18 | * @return boolean 19 | */ 20 | function isUrl(string) { 21 | var urlRegexp = /^(https?:\/\/|ftps?:\/\/)?([a-z0-9%-]+\.){1,}([a-z0-9-]+)?(:(\d{1,5}))?(\/([a-z0-9\-._~:/?#[\]@!$&'()*+,;=%]+)?)?$/i; 22 | return urlRegexp.test(string); 23 | } 24 | 25 | /** 26 | * Transform a json object into html representation 27 | * @return string 28 | */ 29 | function json2html(json, options) { 30 | var html = ''; 31 | if (typeof json === 'string') { 32 | // Escape tags and quotes 33 | json = json 34 | .replace(/&/g, '&') 35 | .replace(//g, '>') 37 | .replace(/'/g, ''') 38 | .replace(/"/g, '"'); 39 | 40 | if (options.withLinks && isUrl(json)) { 41 | html += '' + '"' +json + '"' + ''; 42 | } else { 43 | // Escape double quotes in the rendered non-URL string. 44 | json = json.replace(/"/g, '\\"'); 45 | html += '"' + json + '"'; 46 | } 47 | } else if (typeof json === 'number') { 48 | html += '' + json + ''; 49 | } else if (typeof json === 'boolean') { 50 | html += '' + json + ''; 51 | } else if (json === null) { 52 | html += 'null'; 53 | } else if (json instanceof Array) { 54 | if (json.length > 0) { 55 | html += '[
    '; 56 | for (var i = 0; i < json.length; ++i) { 57 | html += '
  1. '; 58 | // Add toggle button if item is collapsable 59 | if (isCollapsable(json[i])) { 60 | html += ''; 61 | } 62 | html += json2html(json[i], options); 63 | // Add comma if item is not last 64 | if (i < json.length - 1) { 65 | html += ','; 66 | } 67 | html += '
    2. '; 68 | } 69 | html += '
]'; 70 | } else { 71 | html += '[]'; 72 | } 73 | } else if (typeof json === 'object') { 74 | var keyCount = Object.keys(json).length; 75 | if (keyCount > 0) { 76 | html += '{}'; 97 | } else { 98 | html += '{}'; 99 | } 100 | } 101 | return html; 102 | } 103 | 104 | /** 105 | * jQuery plugin method 106 | * @param json: a javascript object 107 | * @param options: an optional options hash 108 | */ 109 | $.fn.jsonViewer = function(json, options) { 110 | // Merge user options with default options 111 | options = Object.assign({}, { 112 | collapsed: false, 113 | rootCollapsable: true, 114 | withQuotes: false, 115 | withLinks: true 116 | }, options); 117 | 118 | // jQuery chaining 119 | return this.each(function() { 120 | 121 | // Transform to HTML 122 | var html = json2html(json, options); 123 | if (options.rootCollapsable && isCollapsable(json)) { 124 | html = '' + html; 125 | } 126 | 127 | // Insert HTML in target DOM element 128 | $(this).html(html); 129 | $(this).addClass('json-document'); 130 | 131 | // Bind click on toggle buttons 132 | $(this).off('click'); 133 | $(this).on('click', 'a.json-toggle', function() { 134 | var target = $(this).toggleClass('collapsed').siblings('ul.json-dict, ol.json-array'); 135 | target.toggle(); 136 | if (target.is(':visible')) { 137 | target.siblings('.json-placeholder').remove(); 138 | } else { 139 | var count = target.children('li').length; 140 | var placeholder = count + (count > 1 ? ' items' : ' item'); 141 | target.after('' + placeholder + ''); 142 | } 143 | return false; 144 | }); 145 | 146 | // Simulate click on toggle button when placeholder is clicked 147 | $(this).on('click', 'a.json-placeholder', function() { 148 | $(this).siblings('a.json-toggle').click(); 149 | return false; 150 | }); 151 | 152 | if (options.collapsed == true) { 153 | // Trigger click to collapse all nodes 154 | $(this).find('a.json-toggle').click(); 155 | } 156 | }); 157 | }; 158 | })(jQuery); -------------------------------------------------------------------------------- /app/src/main/assets/jquery.min.js: -------------------------------------------------------------------------------- 1 | /*! jQuery v3.6.0 | (c) OpenJS Foundation and other contributors | jquery.org/license */ 2 | !function(e,t){"use strict";"object"==typeof module&&"object"==typeof module.exports?module.exports=e.document?t(e,!0):function(e){if(!e.document)throw new Error("jQuery requires a window with a 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44 |
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51 |     

52 |     

53 | 

54 | 
55 | 
56 | 
57 | 
93 | 
94 | 
95 | 


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/app/src/main/java/com/demo/jsonpreviewer/EditJsonViewModel.kt:
--------------------------------------------------------------------------------
 1 | package com.demo.jsonpreviewer
 2 | 
 3 | import android.content.Context
 4 | import android.preference.PreferenceManager
 5 | import androidx.lifecycle.MutableLiveData
 6 | import androidx.lifecycle.ViewModel
 7 | import okio.buffer
 8 | import okio.source
 9 | import java.io.InputStream
10 | import java.nio.charset.Charset
11 | 
12 | /**
13 |  *
14 |  * Created by dazhao.dai on 2023/2/23
15 |  */
16 | class EditJsonViewModel() : ViewModel() {
17 | 
18 |     val jsonData: MutableLiveData = MutableLiveData()
19 | 
20 |     fun loadAdConfig(context: Context) {
21 |         var configString: String? = null
22 |         val inputStream: InputStream? =
23 |             context.resources?.openRawResource(R.raw.json_file)
24 |         try {
25 |             configString = inputStream?.source()?.buffer()?.readString(Charset.defaultCharset())
26 |         } catch (e: Exception) {
27 |             e.printStackTrace()
28 |         } finally {
29 |             try {
30 |                 inputStream?.close()
31 |             } catch (e: Exception) {
32 |                 e.printStackTrace()
33 |             }
34 |         }
35 |         jsonData.value = configString
36 |     }
37 | }


--------------------------------------------------------------------------------
/app/src/main/java/com/demo/jsonpreviewer/MainActivity.kt:
--------------------------------------------------------------------------------
  1 | package com.demo.jsonpreviewer
  2 | 
  3 | import android.annotation.SuppressLint
  4 | import android.content.Context
  5 | import android.os.Bundle
  6 | import androidx.appcompat.app.AppCompatActivity
  7 | import android.webkit.JavascriptInterface
  8 | import android.webkit.WebView
  9 | import android.webkit.WebViewClient
 10 | import android.widget.Toast
 11 | import androidx.appcompat.app.AlertDialog
 12 | import androidx.lifecycle.ViewModelProvider
 13 | import com.demo.jsonpreviewer.databinding.ActivityMainBinding
 14 | 
 15 | class MainActivity : AppCompatActivity() {
 16 | 
 17 |     private lateinit var binding: ActivityMainBinding
 18 |     private lateinit var viewModel: EditJsonViewModel
 19 |     private var contentChanged: Boolean = false
 20 | 
 21 |     override fun onCreate(savedInstanceState: Bundle?) {
 22 |         super.onCreate(savedInstanceState)
 23 |         binding = ActivityMainBinding.inflate(layoutInflater)
 24 |         setContentView(binding.root)
 25 |         viewModel = ViewModelProvider(
 26 |             viewModelStore,
 27 |             ViewModelProvider.AndroidViewModelFactory(this.application)
 28 |         )[EditJsonViewModel::class.java]
 29 |         initWebView()
 30 |         viewModel.jsonData.observe(this) { str ->
 31 |             if (str?.isNotBlank() == true) {
 32 |                 binding.webView.loadUrl("javascript:showJson($str)")
 33 |             }
 34 |         }
 35 |         binding.webView.webViewClient = object : WebViewClient() {
 36 |             override fun onPageFinished(view: WebView?, url: String?) {
 37 |                 super.onPageFinished(view, url)
 38 |                 viewModel.loadAdConfig(this@MainActivity)
 39 |             }
 40 |         }
 41 |         binding.webView.loadUrl("file:///android_asset/preview_json.html")
 42 |     }
 43 | 
 44 |     @SuppressLint("SetJavaScriptEnabled")
 45 |     private fun initWebView() {
 46 |         binding.webView.settings.apply {
 47 |             javaScriptEnabled = true
 48 |             javaScriptCanOpenWindowsAutomatically = true
 49 |             setSupportZoom(true)
 50 |             useWideViewPort = true
 51 |             builtInZoomControls = true
 52 |         }
 53 |         binding.webView.addJavascriptInterface(JsInterface(this@MainActivity), "json_parse")
 54 |     }
 55 | 
 56 |     inner class JsInterface(context: Context) {
 57 |         private val mContext: Context
 58 | 
 59 |         init {
 60 |             mContext = context
 61 |         }
 62 | 
 63 |         @JavascriptInterface
 64 |         fun configContentChanged() {
 65 |             runOnUiThread {
 66 |                 contentChanged = true
 67 |             }
 68 |         }
 69 | 
 70 |         @JavascriptInterface
 71 |         fun toastJson(msg: String?) {
 72 |             runOnUiThread { Toast.makeText(mContext, msg, Toast.LENGTH_SHORT).show() }
 73 |         }
 74 | 
 75 |         @JavascriptInterface
 76 |         fun saveConfig(jsonString: String?) {
 77 |             runOnUiThread {
 78 |                 contentChanged = false
 79 |                 Toast.makeText(mContext, "verification succeed", Toast.LENGTH_SHORT).show()
 80 |             }
 81 |         }
 82 | 
 83 |         @JavascriptInterface
 84 |         fun parseJsonException(e: String?) {
 85 |             runOnUiThread {
 86 |                 e?.takeIf { it.isNotBlank() }?.let { alert(it) }
 87 |             }
 88 |         }
 89 |     }
 90 | 
 91 |     private fun alert(
 92 |         message: String,
 93 |     ) {
 94 |         val builder = AlertDialog.Builder(this)
 95 |         builder.setTitle("Alert").setMessage(message)
 96 |             .setPositiveButton("OK", null)
 97 |             .setCancelable(false)
 98 |             .create()
 99 |             .show()
100 |     }
101 | 
102 | }


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/app/src/main/res/drawable-v24/ic_launcher_foreground.xml:
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 1 | 
 7 |     
 8 |         
 9 |             
15 |                 
18 |                 
21 |             
22 |         
23 |     
24 |     
30 | 


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/app/src/main/res/drawable/ic_launcher_background.xml:
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  1 | 
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  7 |     
 10 |     
 15 |     
 20 |     
 25 |     
 30 |     
 35 |     
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170 | 
171 | 


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/app/src/main/res/layout/activity_main.xml:
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 1 | 
 2 | 
 5 | 
 6 |     
12 | 


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml:
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1 | 
2 | 
3 |     
4 |     
5 | 


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml:
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4 |     
5 | 


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/app/src/main/res/mipmap-hdpi/ic_launcher.webp:
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https://raw.githubusercontent.com/dazhaoDai/JsonPreviewer/5057b9bb72130f3822b5581c40ea04725ef7394d/app/src/main/res/mipmap-hdpi/ic_launcher.webp


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/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp:
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/app/src/main/res/mipmap-mdpi/ic_launcher.webp:
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/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp:
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/app/src/main/res/mipmap-xhdpi/ic_launcher.webp:
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/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp:
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/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp:
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/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp:
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp:
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp:
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/app/src/main/res/navigation/nav_graph.xml:
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 1 | 
 2 | 
 7 | 
 8 |     
13 | 
14 |         
17 |     
18 |     
23 | 
24 |         
27 |     
28 | 


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/app/src/main/res/raw/json_file.json:
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 1 | {
 2 |   "squadName": "Super hero squad",
 3 |   "homeTown": "Metro City",
 4 |   "formed": 2016,
 5 |   "secretBase": "Super tower",
 6 |   "active": true,
 7 |   "members": [
 8 |     {
 9 |       "name": "Molecule Man",
10 |       "age": 29,
11 |       "secretIdentity": "Dan Jukes",
12 |       "powers": ["Radiation resistance", "Turning tiny", "Radiation blast"]
13 |     },
14 |     {
15 |       "name": "Madame Uppercut",
16 |       "age": 39,
17 |       "secretIdentity": "Jane Wilson",
18 |       "powers": [
19 |         "Million tonne punch",
20 |         "Damage resistance",
21 |         "Superhuman reflexes"
22 |       ]
23 |     },
24 |     {
25 |       "name": "Eternal Flame",
26 |       "age": 1000000,
27 |       "secretIdentity": "Unknown",
28 |       "powers": [
29 |         "Immortality",
30 |         "Heat Immunity",
31 |         "Inferno",
32 |         "Teleportation",
33 |         "Interdimensional travel"
34 |       ]
35 |     }
36 |   ]
37 | }
38 | 


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/app/src/main/res/values-land/dimens.xml:
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1 | 
2 |     48dp
3 | 


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/app/src/main/res/values-night/themes.xml:
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 1 | 
 2 |     
 3 |     
16 | 


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/app/src/main/res/values-w1240dp/dimens.xml:
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1 | 
2 |     200dp
3 | 


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/app/src/main/res/values-w600dp/dimens.xml:
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1 | 
2 |     48dp
3 | 


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/app/src/main/res/values/colors.xml:
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 1 | 
 2 | 
 3 |     #FFBB86FC
 4 |     #FF6200EE
 5 |     #FF3700B3
 6 |     #FF03DAC5
 7 |     #FF018786
 8 |     #FF000000
 9 |     #FFFFFFFF
10 | 


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/app/src/main/res/values/dimens.xml:
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1 | 
2 |     16dp
3 | 


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/app/src/main/res/values/strings.xml:
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 1 | 
 2 |     JsonPreviewer
 3 |     Settings
 4 |     
 5 |     First Fragment
 6 |     Second Fragment
 7 |     Next
 8 |     Previous
 9 | 
10 |     Hello first fragment
11 |     Hello second fragment. Arg: %1$s
12 | 


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/app/src/main/res/values/themes.xml:
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 1 | 
 2 |     
 3 |     
16 | 
17 |