Added footer, scrollable conversation and global UI improvements

.idea/misc.xml

@@ -11,7 +11,9 @@
         <entry key="../../../../../layout/compose-model-1641145605520.xml" value="0.8685185185185185" />
         <entry key="../../../../../layout/compose-model-1641154451614.xml" value="0.8768518518518519" />
         <entry key="../../../../../layout/compose-model-1641155782430.xml" value="0.7886363636363637" />
+        <entry key="../../../../../layout/compose-model-1641156150634.xml" value="0.33" />
         <entry key="app/src/main/res/drawable-v24/ic_launcher_foreground.xml" value="0.5307291666666667" />
+        <entry key="app/src/main/res/drawable/ic_baseline_more_vert_24.xml" value="0.38981481481481484" />
         <entry key="app/src/main/res/drawable/ic_baseline_person_24.xml" value="0.5307291666666667" />
         <entry key="app/src/main/res/drawable/ic_launcher_background.xml" value="0.5307291666666667" />
         <entry key="app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml" value="0.5307291666666667" />

app/src/main/java/ch/mathieubroillet/jarvis/android/MainActivity.kt

@@ -4,9 +4,7 @@ import android.os.Bundle
 import android.view.WindowManager
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
-import androidx.compose.foundation.Image
-import androidx.compose.foundation.background
-import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.foundation.*
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.*
@@ -16,8 +14,6 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.painterResource
-import androidx.compose.ui.text.font.Font
-import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
@@ -79,9 +75,32 @@ fun Base() {
     }
 }
 
+@Composable
+fun Footer() {
+    //We create a row that we align to the bottom center of the parent box
+    Row(
+        Modifier
+            .padding(bottom = 50.dp)
+            .fillMaxWidth(),
+        verticalAlignment = Alignment.Bottom,
+        horizontalArrangement = Arrangement.Center
+    ) {
+        //Microphone floating button to manually start/stop listening
+        FloatingActionButton(onClick = { /*TODO*/ }) {
+            Icon(
+                painter = painterResource(id = R.drawable.ic_baseline_mic_24),
+                contentDescription = "microphone"
+            )
+        }
+    }
+}
+
 @Composable
 fun MessageFromJarvis(text: String) {
+    //We create a row to contain the message and the robot image (to look like an sms)
     Row(Modifier.padding(bottom = 25.dp)) {
+
+        // Adding the robot image as the sender
         Image(
             painter = painterResource(id = R.drawable.robot256),
             contentDescription = "robot",
@@ -90,13 +109,13 @@ fun MessageFromJarvis(text: String) {
                 .padding(end = 10.dp)
         )
 
+        // Adding the message box with the text given in the params
         Box(
             modifier = Modifier
                 .fillMaxWidth(fraction = 0.9F)
                 .clip(RoundedCornerShape(15.dp))
                 .background(color = MaterialTheme.colors.secondaryVariant)
                 .padding(horizontal = 10.dp, vertical = 5.dp)
-
         ) {
             Text(text = text, fontFamily = productSansFont)
         }
@@ -105,10 +124,13 @@ fun MessageFromJarvis(text: String) {
 
 @Composable
 fun MessageFromUser(text: String) {
+    //We create a row to contain the user message and we align the row to the right side (to look like a conversation between two people)
     Row(
         Modifier
             .padding(bottom = 25.dp)
-            .fillMaxWidth(), horizontalArrangement = Arrangement.End) {
+            .fillMaxWidth(), horizontalArrangement = Arrangement.End
+    ) {
+        // The message box with the text
         Box(
             modifier = Modifier
                 .fillMaxWidth(fraction = 0.8F)
@@ -119,23 +141,48 @@ fun MessageFromUser(text: String) {
             Text(
                 text = text,
                 fontFamily = productSansFont,
-                color = if (!isSystemInDarkTheme()) Color.White else Color(15, 15, 15, 255))
+                color = if (!isSystemInDarkTheme()) Color.White else Color(15, 15, 15, 255)
+            )
+        }
     }
 }
 
 
-}
-
 @Preview(showBackground = true)
 @Composable
 fun DefaultPreview() {
     JarvisComposeTheme {
-        Column(Modifier.padding(top = 40.dp, start = 20.dp, end = 20.dp)) {
+        //We create a main box with basic padding to avoid having stuff too close to every side.
+        Box(
+            Modifier
+                .fillMaxHeight()
+                .fillMaxWidth()
+                .padding(horizontal = 20.dp)
+                .padding(top = 30.dp, bottom = 0.dp)
+        ) {
+
+            // This column regroup the base and all the conversations (everything except the footer)
+            Column {
                 Base()
+
+                // This column regroup only the conversations and make them scrollable
+                Column(
+                    modifier = Modifier
+                        .verticalScroll(rememberScrollState())
+                        .weight(weight = 1f, fill = false)
+                ) {
+                    // Basic interaction stuff for demo
                     MessageFromJarvis(text = "Salut, je suis Jarvis! \nPose moi une question et je ferais de mon mieux pour te renseigner.")
                     MessageFromUser(text = "Quel temps fait-il à Paris en ce moment ?")
                     MessageFromJarvis(text = "A Paris, il fait actuellement 10 degrés et le ciel est nuageux.")
+                }
+            }
 
+
+            // Finally we add the footer to the bottom center of the main box
+            Column(Modifier.align(Alignment.BottomCenter)) {
+                Footer()
+            }
         }
     }
 }

app/src/main/java/ch/mathieubroillet/jarvis/android/utils/DotsLoaders.kt

@@ -0,0 +1,332 @@
+// Thanks to EugeneTheDev : https://gist.github.com/EugeneTheDev/a27664cb7e7899f964348b05883cbccd
+
+package ch.mathieubroillet.jarvis.android.utils
+
+import androidx.compose.animation.core.*
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
+import androidx.compose.ui.draw.scale
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+val dotSize = 20.dp
+val delayUnit = 150
+
+@Composable
+fun DotsPulsing() {
+
+    @Composable
+    fun Dot(
+        scale: Float
+    ) = Spacer(
+        Modifier
+            .size(dotSize)
+            .scale(scale)
+            .background(
+                color = MaterialTheme.colors.primary,
+                shape = CircleShape
+            )
+    )
+
+    val infiniteTransition = rememberInfiniteTransition()
+
+    @Composable
+    fun animateScaleWithDelay(delay: Int) = infiniteTransition.animateFloat(
+        initialValue = 0f,
+        targetValue = 0f,
+        animationSpec = infiniteRepeatable(
+            animation = keyframes {
+                durationMillis = delayUnit * 4
+                0f at delay with LinearEasing
+                1f at delay + delayUnit with LinearEasing
+                0f at delay + delayUnit * 2
+            }
+        )
+    )
+
+    val scale1 by animateScaleWithDelay(0)
+    val scale2 by animateScaleWithDelay(delayUnit)
+    val scale3 by animateScaleWithDelay(delayUnit * 2)
+
+    Row(
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.Center
+    ) {
+        val spaceSize = 2.dp
+
+        Dot(scale1)
+        Spacer(Modifier.width(spaceSize))
+        Dot(scale2)
+        Spacer(Modifier.width(spaceSize))
+        Dot(scale3)
+    }
+}
+
+@Composable
+fun DotsElastic() {
+    val minScale = 0.6f
+
+    @Composable
+    fun Dot(
+        scale: Float
+    ) = Spacer(
+        Modifier
+            .size(dotSize)
+            .scale(scaleX = minScale, scaleY = scale)
+            .background(
+                color = MaterialTheme.colors.primary,
+                shape = CircleShape
+            )
+    )
+
+    val infiniteTransition = rememberInfiniteTransition()
+
+    @Composable
+    fun animateScaleWithDelay(delay: Int) = infiniteTransition.animateFloat(
+        initialValue = minScale,
+        targetValue = minScale,
+        animationSpec = infiniteRepeatable(
+            animation = keyframes {
+                durationMillis = delayUnit * 4
+                minScale at delay with LinearEasing
+                1f at delay + delayUnit with LinearEasing
+                minScale at delay + delayUnit * 2
+            }
+        )
+    )
+
+    val scale1 by animateScaleWithDelay(0)
+    val scale2 by animateScaleWithDelay(delayUnit)
+    val scale3 by animateScaleWithDelay(delayUnit * 2)
+
+    Row(
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.Center
+    ) {
+        val spaceSize = 2.dp
+
+        Dot(scale1)
+        Spacer(Modifier.width(spaceSize))
+        Dot(scale2)
+        Spacer(Modifier.width(spaceSize))
+        Dot(scale3)
+    }
+}
+
+@Composable
+fun DotsFlashing() {
+    val minAlpha = 0.1f
+
+    @Composable
+    fun Dot(
+        alpha: Float
+    ) = Spacer(
+        Modifier
+            .size(dotSize)
+            .alpha(alpha)
+            .background(
+                color = MaterialTheme.colors.primary,
+                shape = CircleShape
+            )
+    )
+
+    val infiniteTransition = rememberInfiniteTransition()
+
+    @Composable
+    fun animateAlphaWithDelay(delay: Int) = infiniteTransition.animateFloat(
+        initialValue = minAlpha,
+        targetValue = minAlpha,
+        animationSpec = infiniteRepeatable(
+            animation = keyframes {
+                durationMillis = delayUnit * 4
+                minAlpha at delay with LinearEasing
+                1f at delay + delayUnit with LinearEasing
+                minAlpha at delay + delayUnit * 2
+            }
+        )
+    )
+
+    val alpha1 by animateAlphaWithDelay(0)
+    val alpha2 by animateAlphaWithDelay(delayUnit)
+    val alpha3 by animateAlphaWithDelay(delayUnit * 2)
+
+    Row(
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.Center
+    ) {
+        val spaceSize = 2.dp
+
+        Dot(alpha1)
+        Spacer(Modifier.width(spaceSize))
+        Dot(alpha2)
+        Spacer(Modifier.width(spaceSize))
+        Dot(alpha3)
+    }
+}
+
+@Composable
+fun DotsTyping() {
+    val maxOffset = 10f
+
+    @Composable
+    fun Dot(
+        offset: Float
+    ) = Spacer(
+        Modifier
+            .size(dotSize)
+            .offset(y = -offset.dp)
+            .background(
+                color = MaterialTheme.colors.primary,
+                shape = CircleShape
+            )
+    )
+
+    val infiniteTransition = rememberInfiniteTransition()
+
+    @Composable
+    fun animateOffsetWithDelay(delay: Int) = infiniteTransition.animateFloat(
+        initialValue = 0f,
+        targetValue = 0f,
+        animationSpec = infiniteRepeatable(
+            animation = keyframes {
+                durationMillis = delayUnit * 4
+                0f at delay with LinearEasing
+                maxOffset at delay + delayUnit with LinearEasing
+                0f at delay + delayUnit * 2
+            }
+        )
+    )
+
+    val offset1 by animateOffsetWithDelay(0)
+    val offset2 by animateOffsetWithDelay(delayUnit)
+    val offset3 by animateOffsetWithDelay(delayUnit * 2)
+
+    Row(
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.Center,
+        modifier = Modifier.padding(top = maxOffset.dp)
+    ) {
+        val spaceSize = 2.dp
+
+        Dot(offset1)
+        Spacer(Modifier.width(spaceSize))
+        Dot(offset2)
+        Spacer(Modifier.width(spaceSize))
+        Dot(offset3)
+    }
+}
+
+@Composable
+fun DotsCollision() {
+    val maxOffset = 30f
+    val delayUnit = 500 // it's better to use longer delay for this animation
+
+    @Composable
+    fun Dot(
+        offset: Float
+    ) = Spacer(
+        Modifier
+            .size(dotSize)
+            .offset(x = offset.dp)
+            .background(
+                color = MaterialTheme.colors.primary,
+                shape = CircleShape
+            )
+    )
+
+    val infiniteTransition = rememberInfiniteTransition()
+
+    val offsetLeft by infiniteTransition.animateFloat(
+        initialValue = 0f,
+        targetValue = 0f,
+        animationSpec = infiniteRepeatable(
+            animation = keyframes {
+                durationMillis = delayUnit * 3
+                0f at 0 with LinearEasing
+                -maxOffset at delayUnit / 2 with LinearEasing
+                0f at delayUnit
+            }
+        )
+    )
+    val offsetRight by infiniteTransition.animateFloat(
+        initialValue = 0f,
+        targetValue = 0f,
+        animationSpec = infiniteRepeatable(
+            animation = keyframes {
+                durationMillis = delayUnit * 3
+                0f at delayUnit with LinearEasing
+                maxOffset at delayUnit + delayUnit / 2 with LinearEasing
+                0f at delayUnit * 2
+            }
+        )
+    )
+
+    Row(
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.Center,
+        modifier = Modifier.padding(horizontal = maxOffset.dp)
+    ) {
+        val spaceSize = 2.dp
+
+        Dot(offsetLeft)
+        Spacer(Modifier.width(spaceSize))
+        Dot(0f)
+        Spacer(Modifier.width(spaceSize))
+        Dot(offsetRight)
+    }
+}
+
+
+@Preview(showBackground = true)
+@Composable
+fun DotsPreview() = MaterialTheme {
+    Column(modifier = Modifier.padding(4.dp)) {
+        val spaceSize = 16.dp
+
+        Text(
+            text = "Dots pulsing",
+            style = MaterialTheme.typography.h5
+        )
+        DotsPulsing()
+
+        Spacer(Modifier.height(spaceSize))
+
+        Text(
+            text = "Dots elastic",
+            style = MaterialTheme.typography.h5
+        )
+        DotsElastic()
+
+        Spacer(Modifier.height(spaceSize))
+
+        Text(
+            text = "Dots flashing",
+            style = MaterialTheme.typography.h5
+        )
+        DotsFlashing()
+
+        Spacer(Modifier.height(spaceSize))
+
+        Text(
+            text = "Dots typing",
+            style = MaterialTheme.typography.h5
+        )
+        DotsTyping()
+
+        Spacer(Modifier.height(spaceSize))
+
+        Text(
+            text = "Dots collision",
+            style = MaterialTheme.typography.h5
+        )
+        DotsCollision()
+    }
+}

app/src/main/res/drawable/ic_baseline_mic_24.xml

@@ -6,5 +6,5 @@
     android:tint="?attr/colorControlNormal">
   <path
       android:fillColor="@android:color/white"
-      android:pathData="M12,12c2.21,0 4,-1.79 4,-4s-1.79,-4 -4,-4 -4,1.79 -4,4 1.79,4 4,4zM12,14c-2.67,0 -8,1.34 -8,4v2h16v-2c0,-2.66 -5.33,-4 -8,-4z"/>
+      android:pathData="M12,14c1.66,0 2.99,-1.34 2.99,-3L15,5c0,-1.66 -1.34,-3 -3,-3S9,3.34 9,5v6c0,1.66 1.34,3 3,3zM17.3,11c0,3 -2.54,5.1 -5.3,5.1S6.7,14 6.7,11L5,11c0,3.41 2.72,6.23 6,6.72L11,21h2v-3.28c3.28,-0.48 6,-3.3 6,-6.72h-1.7z"/>
 </vector>