android draw library

app/build.gradle

@@ -53,6 +53,7 @@ dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
 
     implementation project(':player')
+    implementation project(':draw')
 
     implementation libraries.kotlin
     implementation libraries.coroutines

app/src/main/java/chat/rocket/android/chatroom/ui/ChatRoomFragment.kt

@@ -1,12 +1,16 @@
 package chat.rocket.android.chatroom.ui
 
+import android.Manifest
 import android.app.Activity
 import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
 import android.content.Intent
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
 import android.net.Uri
 import android.os.Bundle
+import android.os.Environment
 import android.os.Handler
 import android.support.annotation.DrawableRes
 import android.support.v4.app.Fragment
@@ -26,6 +30,8 @@ import chat.rocket.android.chatroom.viewmodel.MessageViewModel
 import chat.rocket.android.chatroom.viewmodel.suggestion.ChatRoomSuggestionViewModel
 import chat.rocket.android.chatroom.viewmodel.suggestion.CommandSuggestionViewModel
 import chat.rocket.android.chatroom.viewmodel.suggestion.PeopleSuggestionViewModel
+import chat.rocket.android.draw.DrawingActivity
+import chat.rocket.android.helper.AndroidPermissionsHelper
 import chat.rocket.android.helper.EndlessRecyclerViewScrollListener
 import chat.rocket.android.helper.KeyboardHelper
 import chat.rocket.android.helper.MessageParser
@@ -40,6 +46,10 @@ import kotlinx.android.synthetic.main.fragment_chat_room.*
 import kotlinx.android.synthetic.main.message_attachment_options.*
 import kotlinx.android.synthetic.main.message_composer.*
 import kotlinx.android.synthetic.main.message_list.*
+import timber.log.Timber
+import java.io.File
+import java.io.FileOutputStream
+import java.util.*
 import java.util.concurrent.TimeUnit
 import java.util.concurrent.atomic.AtomicInteger
 import javax.inject.Inject
@@ -71,6 +81,7 @@ private const val BUNDLE_CHAT_ROOM_NAME = "chat_room_name"
 private const val BUNDLE_CHAT_ROOM_TYPE = "chat_room_type"
 private const val BUNDLE_IS_CHAT_ROOM_READ_ONLY = "is_chat_room_read_only"
 private const val REQUEST_CODE_FOR_PERFORM_SAF = 42
+private const val REQUEST_CODE_FOR_DRAW = 101
 private const val BUNDLE_CHAT_ROOM_LAST_SEEN = "chat_room_last_seen"
 private const val BUNDLE_CHAT_ROOM_IS_SUBSCRIBED = "chat_room_is_subscribed"
 private const val BUNDLE_CHAT_ROOM_IS_OWNER = "chat_room_is_owner"
@@ -180,13 +191,34 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, resultData: Intent?) {
-        if (requestCode == REQUEST_CODE_FOR_PERFORM_SAF && resultCode == Activity.RESULT_OK) {
-            if (resultData != null) {
-                uploadFile(resultData.data)
+        if (resultData != null && resultCode == Activity.RESULT_OK) {
+            when(requestCode){
+                REQUEST_CODE_FOR_PERFORM_SAF -> {
+                    uploadFile(resultData.data)
+                }
+                REQUEST_CODE_FOR_DRAW -> {
+                    val result= resultData.getByteArrayExtra("bitmap")
+                    val bitmap = BitmapFactory.decodeByteArray(result, 0, result.size)
+                    val uri = saveImage(bitmap)
+                    uploadFile(uri)
+                }
             }
         }
     }
 
+    private fun saveImage(bitmap: Bitmap): Uri {
+        val imageDir = "${Environment.DIRECTORY_PICTURES}/Rocket.Chat Images/"
+        val path = Environment.getExternalStoragePublicDirectory(imageDir)
+        val file = File(path, UUID.randomUUID().toString()+".png")
+        path.mkdirs()
+        file.createNewFile()
+        val outputStream = FileOutputStream(file)
+        bitmap.compress(Bitmap.CompressFormat.PNG,100,outputStream)
+        outputStream.flush()
+        outputStream.close()
+        return Uri.fromFile(file)
+    }
+
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
         super.onCreateOptionsMenu(menu, inflater)
         inflater.inflate(R.menu.chatroom_actions, menu)
@@ -675,6 +707,18 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
             button_add_reaction.setOnClickListener { view ->
                 openEmojiKeyboardPopup()
             }
+
+            button_drawing.setOnClickListener {
+                if (!canWriteToExternalStorage()) {
+                    checkWritingPermission()
+                }else{
+                    val intent = Intent(activity,DrawingActivity::class.java)
+                    startActivityForResult(intent, REQUEST_CODE_FOR_DRAW)
+                }
+                handler.postDelayed({
+                    hideAttachmentOptions()
+                }, 400)
+            }
         }
     }
 
@@ -793,4 +837,16 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
     private fun setupToolbar(toolbarTitle: String) {
         (activity as ChatRoomActivity).setupToolbarTitle(toolbarTitle)
     }
+
+    private fun canWriteToExternalStorage(): Boolean {
+        return context?.let { AndroidPermissionsHelper.checkPermission(it, Manifest.permission.WRITE_EXTERNAL_STORAGE) }!!
+    }
+
+    private fun checkWritingPermission() {
+        activity?.let {
+            AndroidPermissionsHelper.requestPermission(it,
+                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
+                    AndroidPermissionsHelper.WRITE_EXTERNAL_STORAGE_CODE)
+        }
+    }
 }

app/src/main/res/drawable/ic_gesture_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF1D74F5"
+        android:pathData="M4.59,6.89c0.7,-0.71 1.4,-1.35 1.71,-1.22 0.5,0.2 0,1.03 -0.3,1.52 -0.25,0.42 -2.86,3.89 -2.86,6.31 0,1.28 0.48,2.34 1.34,2.98 0.75,0.56 1.74,0.73 2.64,0.46 1.07,-0.31 1.95,-1.4 3.06,-2.77 1.21,-1.49 2.83,-3.44 4.08,-3.44 1.63,0 1.65,1.01 1.76,1.79 -3.78,0.64 -5.38,3.67 -5.38,5.37 0,1.7 1.44,3.09 3.21,3.09 1.63,0 4.29,-1.33 4.69,-6.1L21,14.88v-2.5h-2.47c-0.15,-1.65 -1.09,-4.2 -4.03,-4.2 -2.25,0 -4.18,1.91 -4.94,2.84 -0.58,0.73 -2.06,2.48 -2.29,2.72 -0.25,0.3 -0.68,0.84 -1.11,0.84 -0.45,0 -0.72,-0.83 -0.36,-1.92 0.35,-1.09 1.4,-2.86 1.85,-3.52 0.78,-1.14 1.3,-1.92 1.3,-3.28C8.95,3.69 7.31,3 6.44,3 5.12,3 3.97,4 3.72,4.25c-0.36,0.36 -0.66,0.66 -0.88,0.93l1.75,1.71zM13.88,18.55c-0.31,0 -0.74,-0.26 -0.74,-0.72 0,-0.6 0.73,-2.2 2.87,-2.76 -0.3,2.69 -1.43,3.48 -2.13,3.48z"/>
+</vector>

app/src/main/res/layout/message_attachment_options.xml

@@ -15,4 +15,14 @@
         android:gravity="start|center"
         android:text="@string/action_files" />
 
+    <Button
+        android:id="@+id/button_drawing"
+        style="?android:attr/borderlessButtonStyle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:drawablePadding="20dp"
+        android:drawableStart="@drawable/ic_gesture_black_24dp"
+        android:gravity="start|center"
+        android:text="Drawing" />
+
 </LinearLayout>

app/src/main/res/values-es/strings.xml

@@ -34,6 +34,7 @@
     <string name="action_away">Ausente</string>
     <string name="action_busy">Ocupado</string>
     <string name="action_invisible">Invisible</string>
+    <string name="action_drawing">Dibujo</string>
 
     <!-- Settings List -->
     <string-array name="settings_actions">

app/src/main/res/values-fr/strings.xml

@@ -34,6 +34,7 @@
     <string name="action_away">Loin</string>
     <string name="action_busy">Occupé</string>
     <string name="action_invisible">Invisible</string>
+    <string name="action_drawing">Dessin</string>
 
     <!-- Settings List -->
     <string-array name="settings_actions">

app/src/main/res/values-hi-rIN/strings.xml

@@ -35,6 +35,7 @@
     <string name="action_away">दूर</string>
     <string name="action_busy">व्यस्त</string>
     <string name="action_invisible">अदृश्य</string>
+    <string name="action_drawing">चित्रकारी</string>
 
     <!-- Settings List -->
     <string-array name="settings_actions">

app/src/main/res/values-pt-rBR/strings.xml

@@ -34,6 +34,7 @@
     <string name="action_away">Ausente</string>
     <string name="action_busy">Ocupado</string>
     <string name="action_invisible">Invisível</string>
+    <string name="action_drawing">Desenhando</string>
 
     <!-- Settings List -->
     <string-array name="settings_actions">

app/src/main/res/values-uk-rUA/strings.xml

@@ -36,6 +36,7 @@
     <string name="action_away">Away</string>
     <string name="action_busy">Busy</string>
     <string name="action_invisible">Invisible</string>
+    <string name="action_drawing">Drawing</string>
 
     <!-- Settings List -->
     <string-array name="settings_actions">

app/src/main/res/values/strings.xml

@@ -35,6 +35,7 @@
     <string name="action_away">Away</string>
     <string name="action_busy">Busy</string>
     <string name="action_invisible">Invisible</string>
+    <string name="action_drawing">Drawing</string>
 
     <!-- Settings List -->
     <string-array name="settings_actions">

build.gradle

@@ -1,5 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
-buildscript {
+buildscript { 
+    ext.kotlin_version = '1.2.31'
+
     apply from: rootProject.file('dependencies.gradle')
 
     repositories {
@@ -19,7 +21,7 @@ buildscript {
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
-    }
+    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" }
 }
 
 allprojects {
@@ -35,4 +37,4 @@ allprojects {
 
 task clean(type: Delete) {
     delete rootProject.buildDir
-}
+}

draw/.gitignore

@@ -0,0 +1 @@
+/build

draw/build.gradle

@@ -0,0 +1,42 @@
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 27
+
+
+
+    defaultConfig {
+        minSdkVersion 21
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    implementation libraries.appCompat
+    implementation libraries.constraintLayout
+    implementation libraries.kotlin
+    implementation libraries.androidKtx
+
+
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+}
+
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'

draw/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

draw/src/androidTest/java/chat/rocket/android/draw/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package chat.rocket.android.draw;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("chat.rocket.android.draw.test", appContext.getPackageName());
+    }
+}

draw/src/main/AndroidManifest.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="chat.rocket.android.draw">
+
+    <application>
+        <activity
+            android:name=".DrawingActivity"
+            android:theme="@style/Theme.AppCompat.Light.NoActionBar" />
+    </application>
+
+</manifest>