Add SaveBitmap.kt utils function #134

Signed-off-by: Sanju S <spikeysanju98@gmail.com>

Author: Spikeysanju

app/src/main/java/thecodemonks/org/nottzapp/utils/SaveBitmap.kt

@@ -0,0 +1,65 @@
+/*
+ *
+ *  *
+ *  *  * MIT License
+ *  *  *
+ *  *  * Copyright (c) 2020 Spikey Sanju
+ *  *  *
+ *  *  * Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  *  * of this software and associated documentation files (the "Software"), to deal
+ *  *  * in the Software without restriction, including without limitation the rights
+ *  *  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  *  * copies of the Software, and to permit persons to whom the Software is
+ *  *  * furnished to do so, subject to the following conditions:
+ *  *  *
+ *  *  * The above copyright notice and this permission notice shall be included in all
+ *  *  * copies or substantial portions of the Software.
+ *  *  *
+ *  *  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  *  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  *  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  *  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  *  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  *  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  *  * SOFTWARE.
+ *  *
+ *
+ *
+ */
+
+package thecodemonks.org.nottzapp.utils
+
+import android.app.Activity
+import android.content.ContentValues
+import android.graphics.Bitmap
+import android.net.Uri
+import android.os.Build
+import android.os.Environment
+import android.provider.MediaStore
+
+@JvmField
+val DEFAULT_FILENAME = "${"Expenso" + System.currentTimeMillis()}.png"
+
+fun saveBitmap(activity: Activity, bitmap: Bitmap, filename: String = DEFAULT_FILENAME): Uri? {
+    val contentValues = ContentValues().apply {
+        put(MediaStore.MediaColumns.DISPLAY_NAME, filename)
+        put(MediaStore.MediaColumns.MIME_TYPE, "image/jpeg")
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            put(MediaStore.MediaColumns.RELATIVE_PATH, Environment.DIRECTORY_PICTURES)
+        }
+    }
+
+    val contentResolver = activity.contentResolver
+
+    val imageUri: Uri? = contentResolver.insert(
+        MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
+        contentValues
+    )
+
+    return imageUri.also {
+        val fileOutputStream = imageUri?.let { contentResolver.openOutputStream(it) }
+        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, fileOutputStream)
+        fileOutputStream?.close()
+    }
+}