android setup, single image handler

android setup

android/app/src/main/AndroidManifest.xml

@@ -91,6 +91,16 @@
                 <data android:scheme="https" android:host="staging.new.expensify.com" android:pathPrefix="/send"/>
                 <data android:scheme="https" android:host="staging.new.expensify.com" android:pathPrefix="/money2020"/>
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="image/*" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.SEND_MULTIPLE" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="image/*" />
+            </intent-filter>
         </activity>
 
         <meta-data

android/app/src/main/java/com/expensify/chat/ExpensifyAppPackage.java

@@ -22,6 +22,7 @@ public List<NativeModule> createNativeModules(
         List<NativeModule> modules = new ArrayList<>();
 
         modules.add(new StartupTimer(reactContext));
+        modules.add(new ShareActionHandlerModule(reactContext));
 
         return modules;
     }

android/app/src/main/java/com/expensify/chat/MainActivity.kt

@@ -1,18 +1,21 @@
 package com.expensify.chat
 
-import expo.modules.ReactActivityDelegateWrapper
-
+import android.content.Intent
 import android.content.pm.ActivityInfo
 import android.os.Bundle
+import android.util.Log
 import android.view.KeyEvent
 import android.view.View
 import android.view.WindowInsets
 import com.expensify.chat.bootsplash.BootSplash
+import com.expensify.chat.intentHandler.ImageIntentHandler
+import com.expensify.chat.intentHandler.IntentHandlerFactory
 import com.expensify.reactnativekeycommand.KeyCommandModule
 import com.facebook.react.ReactActivity
 import com.facebook.react.ReactActivityDelegate
 import com.facebook.react.defaults.DefaultNewArchitectureEntryPoint.fabricEnabled
 import com.facebook.react.defaults.DefaultReactActivityDelegate
+import expo.modules.ReactActivityDelegateWrapper
 
 class MainActivity : ReactActivity() {
     /**
@@ -34,6 +37,9 @@ class MainActivity : ReactActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         BootSplash.init(this)
         super.onCreate(null)
+        Log.i("ImageIntentHandler", "On create")
+
+
         if (resources.getBoolean(R.bool.portrait_only)) {
             requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
         }
@@ -50,6 +56,21 @@ class MainActivity : ReactActivity() {
                 defaultInsets.systemWindowInsetBottom
             )
         }
+
+        if (intent != null) {
+            handleIntent(intent)
+        }
+    }
+
+    override fun onNewIntent(intent: Intent) {
+        super.onNewIntent(intent)
+        setIntent(intent) // Must store the new intent unless getIntent() will return the old one
+        handleIntent(intent)
+    }
+
+    private fun handleIntent(intent: Intent) {
+        val intentHandler = IntentHandlerFactory.getIntentHandler(this, intent.type)
+        intentHandler?.handle(intent)
     }
 
     /**

android/app/src/main/java/com/expensify/chat/MainApplication.kt

@@ -29,6 +29,7 @@ class MainApplication : MultiDexApplication(), ReactApplication {
             add(BootSplashPackage())
             add(ExpensifyAppPackage())
             add(RNTextInputResetPackage())
+//            add(ShareExtensionHandlerPackage())
         }
 
         override fun getJSMainModuleName() = ".expo/.virtual-metro-entry"

android/app/src/main/java/com/expensify/chat/ShareActionHandlerModule.kt

@@ -0,0 +1,34 @@
+package com.expensify.chat
+
+import android.content.Context
+import android.util.Log
+import com.expensify.chat.intentHandler.IntentHandlerConstants
+import com.facebook.react.bridge.Arguments
+import com.facebook.react.bridge.Callback
+import com.facebook.react.bridge.ReactApplicationContext
+import com.facebook.react.bridge.ReactContextBaseJavaModule
+import com.facebook.react.bridge.ReactMethod
+
+class ShareActionHandlerModule(reactContext: ReactApplicationContext) : ReactContextBaseJavaModule(reactContext) {
+    override fun getName() = "ShareActionHandlerModule"
+
+    @ReactMethod
+    fun processFiles(callback: Callback) {
+        try {
+            val sharedPreferences = reactApplicationContext.getSharedPreferences(IntentHandlerConstants.preferencesFile, Context.MODE_PRIVATE)
+            val fileSet = sharedPreferences.getStringSet(IntentHandlerConstants.fileArrayProperty, setOf())
+            val fileArray: ArrayList<String> = ArrayList(fileSet)
+
+            val resultArray = Arguments.createArray()
+            for (file in fileArray) {
+                resultArray.pushString(file)
+            }
+
+            callback.invoke(resultArray)
+        } catch (exception: Exception) {
+            Log.e("ImageIntentHandler", exception.toString())
+            callback.invoke(exception.toString(), null)
+        }
+    }
+
+}

android/app/src/main/java/com/expensify/chat/image/ImageUtils.kt

@@ -0,0 +1,114 @@
+package com.expensify.chat.image
+
+import android.content.Context
+import android.net.Uri
+import android.os.Environment
+import android.util.Log
+import java.io.File
+import java.io.FileOutputStream
+import java.io.IOException
+import java.io.InputStream
+import java.io.OutputStream
+
+
+object ImageUtils {
+    private const val tag = "ImageUtils"
+    private const val maxPictureWidth = 2400
+    private const val optimalPictureSize = maxPictureWidth * maxPictureWidth
+    private const val defaultImageExtension = ".jpg"
+
+    private fun getUniqueImageFilePrefix(): String {
+        return System.currentTimeMillis().toString()
+    }
+
+    /**
+     * Checks if external storage is available.
+     *
+     * @return true if external storage is available, mounted and writable, false otherwise.
+     */
+    private fun isExternalStorageAvailable(): Boolean {
+        // Make sure the media storage is mounted (MEDIA_MOUNTED implies writable)
+        val state: String = Environment.getExternalStorageState()
+        if (state != Environment.MEDIA_MOUNTED) {
+            Log.w(tag, "External storage requested but not available" )
+            return false
+        }
+        return true
+    }
+
+    /**
+     * Synchronous method
+     *
+     * @param context
+     * @param imageUri
+     * @param destinationFile
+     * @throws IOException
+     */
+    @Throws(IOException::class)
+    fun saveImageFromMediaProviderUri(imageUri: Uri?, destinationFile: File?, context: Context) {
+        val inputStream: InputStream? = imageUri?.let { context.contentResolver.openInputStream(it) }
+        val outputStream: OutputStream = FileOutputStream(destinationFile)
+        inputStream?.use { input ->
+            outputStream.use { output ->
+                input.copyTo(output)
+            }
+        }
+    }
+
+    /**
+     * Creates an image file into the internal or external storage.
+     *
+     * @param context
+     * @return
+     * @throws IOException
+     */
+    @Throws(IOException::class)
+    fun createImageFile(context: Context): File {
+
+        // Create an image file name
+        val file: File = File.createTempFile(
+            getUniqueImageFilePrefix(),
+            defaultImageExtension,
+            getPhotoDirectory(context)
+        )
+        Log.i(tag, "Created a temporary file for the photo at" + file.absolutePath)
+        return file
+    }
+
+    /**
+     * Determines where the photo directory is based on if we can use external storage or not
+     *
+     * @param context
+     * @return File   the directory
+     */
+    private fun getPhotoDirectory(context: Context): File? {
+        val photoDirectory: File = if (isExternalStorageAvailable()) File(
+            context.getExternalFilesDir(Environment.DIRECTORY_PICTURES), "Expensify"
+        ) else File(context.filesDir.absolutePath, "Expensify")
+        if (!photoDirectory.exists()) {
+            photoDirectory.mkdir()
+        }
+        return photoDirectory
+    }
+
+    /**
+     * Copy the given Uri to storage
+     *
+     * @param uri
+     * @param context
+     * @return The absolute path of the image
+     */
+    fun copyUriToStorage(uri: Uri?, context: Context): String? {
+        var resultingPath: String? = null
+        try {
+            val imageFile: File = createImageFile(context)
+            saveImageFromMediaProviderUri(uri, imageFile, context)
+            resultingPath = imageFile.absolutePath
+            Log.i("ImageIntentHandler", "save image$resultingPath")
+
+        } catch (ex: IOException) {
+            Log.e(tag, "Couldn't save image from intent", ex)
+        }
+        return resultingPath
+    }
+}

android/app/src/main/java/com/expensify/chat/intentHandler/AbstractIntentHandler.kt

@@ -0,0 +1,5 @@
+package com.expensify.chat.intentHandler
+
+abstract class AbstractIntentHandler: IntentHandler {
+    override fun onCompleted() {}
+}

android/app/src/main/java/com/expensify/chat/intentHandler/ImageIntentHandler.kt

@@ -0,0 +1,87 @@
+package com.expensify.chat.intentHandler
+
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.util.Log
+import com.expensify.chat.image.ImageUtils.copyUriToStorage
+
+
+object IntentHandlerConstants {
+    const val preferencesFile = "shareActionHandler"
+    const val fileArrayProperty = "filePaths"
+}
+
+
+class ImageIntentHandler(private val context: Context) : AbstractIntentHandler() {
+    override fun handle(intent: Intent?): Boolean {
+         Log.i("ImageIntentHandler", "Handle intent" + intent.toString())
+         if (intent == null) {
+            return false
+        }
+
+        val action: String? = intent.action
+        val type: String = intent.type ?: return false
+
+         if(!type.startsWith("image/")) return false
+
+         when(action) {
+             Intent.ACTION_SEND -> {
+                 Log.i("ImageIntentHandler", "Handle receive single image")
+                 handleSingleImageIntent(intent, context)
+                 onCompleted()
+                 return true
+             }
+             Intent.ACTION_SEND_MULTIPLE -> {
+                 handleMultipleImagesIntent(intent, context)
+                 onCompleted()
+                 return true
+             }
+         }
+         return false
+    }
+
+    private fun handleSingleImageIntent(intent: Intent, context: Context) {
+        (intent.getParcelableExtra<Uri>(Intent.EXTRA_STREAM))?.let { imageUri ->
+
+            Log.i("ImageIntentHandler", "handleSingleImageIntent$imageUri")
+            // Update UI to reflect image being shared
+            if (imageUri == null) {
+                return
+            }
+
+            val fileArrayList: ArrayList<String> = ArrayList()
+            val resultingPath: String? = copyUriToStorage(imageUri, context)
+            if (resultingPath != null) {
+                fileArrayList.add(resultingPath)
+                val sharedPreferences = context.getSharedPreferences(IntentHandlerConstants.preferencesFile, Context.MODE_PRIVATE)
+                val editor = sharedPreferences.edit()
+                editor.putStringSet(IntentHandlerConstants.fileArrayProperty, fileArrayList.toSet())
+                editor.apply()
+            }
+        }
+    }
+
+    private fun handleMultipleImagesIntent(intent: Intent, context: Context) {
+
+        val resultingImagePaths = ArrayList<String>()
+
+        (intent.getParcelableArrayListExtra<Uri>(Intent.EXTRA_STREAM))?.let { imageUris ->
+            for (imageUri in imageUris) {
+                val resultingPath: String? = copyUriToStorage(imageUri, context)
+                if (resultingPath != null) {
+                    resultingImagePaths.add(resultingPath)
+                }
+            }
+        }
+//        Yapl.getInstance().callIntentCallback(resultingImagePaths)
+    }
+
+    override fun onCompleted() {
+        val uri: Uri = Uri.parse("new-expensify://share/root")
+        val deepLinkIntent = Intent(Intent.ACTION_VIEW, uri)
+        deepLinkIntent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
+        context.startActivity(deepLinkIntent)
+    }
+
+}

android/app/src/main/java/com/expensify/chat/intentHandler/IntentHandler.kt

@@ -0,0 +1,8 @@
+package com.expensify.chat.intentHandler
+
+import android.content.Intent
+
+interface IntentHandler {
+    fun handle(intent: Intent?): Boolean
+    fun onCompleted()
+}

android/app/src/main/java/com/expensify/chat/intentHandler/IntentHandlerFactory.kt

@@ -0,0 +1,14 @@
+package com.expensify.chat.intentHandler
+
+import android.content.Context
+
+object IntentHandlerFactory {
+    fun getIntentHandler(context: Context, mimeType: String?): IntentHandler? {
+        if (mimeType == null) return null
+        return when {
+            mimeType.startsWith("image/") -> ImageIntentHandler(context)
+            // Add other cases like video/*, application/pdf etc.
+            else -> null
+        }
+    }
+}