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Create workflow to build Android LeapChat (#26)
Create the E2E test flow for Android LeapChat example app. Changes are 1. A new button in the UI to control whether to use tools in the chat. 2. An E2E test case with 2 turns of chat user interactions. 3. A new workflow to run the test on Google Firebase Test Lab.
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‎.github/workflows/android-leap-chat-test.yml‎

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name: Android LeapChat Build
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on:
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push:
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branches: [ main ]
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paths:
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- 'Android/LeapChat/**'
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- '.github/workflows/android-leap-chat-test.yml'
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pull_request:
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branches: [ main ]
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paths:
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- 'Android/LeapChat/**'
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- '.github/workflows/android-leap-chat-test.yml'
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workflow_dispatch:
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jobs:
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build-and-e2e-test:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- name: Set up JDK 21
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uses: actions/setup-java@v4
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with:
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java-version: '21'
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distribution: 'temurin'
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cache: 'gradle'
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- name: Build LeapChat
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run: cd Android/LeapChat && ./gradlew :app:assemble
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- name: Build E2E test
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run: cd Android/LeapChat && ./gradlew :app:assembleAndroidTest
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- name: Run E2E test on Firebase Test Lab
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run: |
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echo "$SERVICE_ACCOUNT" > /tmp/service_account.json
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gcloud auth activate-service-account --key-file=/tmp/service_account.json
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gcloud firebase test android run --type instrumentation \
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--app Android/LeapChat/app/build/outputs/apk/debug/app-debug.apk \
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--test Android/LeapChat/app/build/outputs/apk/androidTest/debug/app-debug-androidTest.apk \
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--device model=MediumPhone.arm,version=36,locale=en,orientation=portrait \
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--project liquid-leap
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env:
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SERVICE_ACCOUNT: ${{ secrets.FIREBASE_SERVICE_ACCOUNT }}
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‎Android/LeapChat/app/src/androidTest/java/ai/liquid/leapchat/MainActivityTest.kt‎

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package ai.liquid.leapchat
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import androidx.compose.ui.test.ExperimentalTestApi
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import androidx.compose.ui.test.assertIsDisplayed
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import androidx.compose.ui.test.assertTextContains
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import androidx.compose.ui.test.hasTestTag
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import androidx.compose.ui.test.hasText
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import androidx.compose.ui.test.isDisplayed
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import androidx.compose.ui.test.junit4.createAndroidComposeRule
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import androidx.compose.ui.test.onAllNodesWithTag
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import androidx.compose.ui.test.performClick
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import androidx.compose.ui.test.performTextInput
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import org.junit.Rule
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import org.junit.Test
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import org.junit.runner.RunWith
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@RunWith(AndroidJUnit4::class)
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class MainActivityE2EAssetTests {
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@get:Rule
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val composeTestRule = createAndroidComposeRule<MainActivity>()
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24+
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@OptIn(ExperimentalTestApi::class)
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@Test
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fun testEndToEndChat() {
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val modelLoadingIndicatorMatcher = hasTestTag("ModelLoadingIndicator")
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val inputBoxMatcher = hasTestTag("InputBox")
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val sendButtonMatcher = hasText("Send")
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// Wait for the model to be downloaded and loaded
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composeTestRule.onNode(modelLoadingIndicatorMatcher).assertIsDisplayed()
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composeTestRule.waitUntilDoesNotExist(
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modelLoadingIndicatorMatcher,
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timeoutMillis = MODEL_LOADING_TIMEOUT
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)
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composeTestRule.waitUntilAtLeastOneExists(sendButtonMatcher, timeoutMillis = 5000L)
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// Send an input to the model
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composeTestRule.onNode(inputBoxMatcher)
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.performTextInput("How many 'r' are there in the word 'strawberry'?")
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composeTestRule.onNode(sendButtonMatcher).performClick()
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composeTestRule.waitUntilAtLeastOneExists(
45+
hasTestTag("AssistantMessageView"),
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timeoutMillis = 5000L
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)
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composeTestRule.waitUntil(timeoutMillis = 5000L) {
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composeTestRule.onNode(hasTestTag("AssistantMessageViewText").and(hasText("strawberry", substring = true)))
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.isDisplayed()
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}
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53+
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// Continue the chat with a second prompt
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composeTestRule.onNode(inputBoxMatcher).performTextInput("What about letter 'a'?")
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composeTestRule.onNode(sendButtonMatcher).performClick()
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composeTestRule.waitUntil(timeoutMillis = 5000L) {
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composeTestRule.onAllNodesWithTag("AssistantMessageView")
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.fetchSemanticsNodes().size == 2
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}
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}
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companion object {
64+
const val MODEL_LOADING_TIMEOUT = 5L * 60L * 1000L
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}
66+
}

‎Android/LeapChat/app/src/main/java/ai/liquid/leapchat/MainActivity.kt‎

Lines changed: 48 additions & 29 deletions
Original file line numberDiff line numberDiff line change
@@ -17,7 +17,6 @@ import ai.liquid.leap.message.ChatMessageContent
1717
import ai.liquid.leap.message.MessageResponse
1818
import ai.liquid.leapchat.models.ChatMessageDisplayItem
1919
import ai.liquid.leapchat.views.ChatHistory
20-
import android.annotation.SuppressLint
2120
import android.os.Bundle
2221
import android.util.Log
2322
import androidx.activity.ComponentActivity
@@ -53,6 +52,7 @@ import androidx.compose.ui.Modifier
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import androidx.compose.ui.focus.FocusRequester
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import androidx.compose.ui.focus.focusRequester
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.platform.testTag
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import androidx.compose.ui.unit.dp
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import androidx.lifecycle.MutableLiveData
5858
import androidx.lifecycle.lifecycleScope
@@ -93,6 +93,10 @@ class MainActivity : ComponentActivity() {
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MutableLiveData<Boolean>(false)
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}
9595

96+
private val isToolEnabled: MutableLiveData<Boolean> by lazy {
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MutableLiveData<Boolean>(false)
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}
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96100
private val gson = GsonBuilder().registerLeapAdapters().create()
97101

98102
override fun onCreate(savedInstanceState: Bundle?) {
@@ -149,23 +153,22 @@ class MainActivity : ComponentActivity() {
149153
onValueChange = { userInputFieldText = it },
150154
modifier = Modifier
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.padding(4.dp)
152-
.fillMaxWidth(1.0f),
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.fillMaxWidth(1.0f).testTag("InputBox"),
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enabled = !isInGeneration.value
154158
)
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Row(
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horizontalArrangement = Arrangement.End,
157161
modifier = Modifier.fillMaxWidth(1.0f)
158162
) {
159-
Button(
160-
onClick = {
161-
this@MainActivity.isInGeneration.value = true
162-
sendText(userInputFieldText)
163-
userInputFieldText = ""
164-
chatHistoryFocusRequester.requestFocus()
165-
},
166-
enabled = !isInGeneration.value
167-
) {
168-
Text(getString(R.string.send_message_button_label))
163+
val isToolEnabledState by isToolEnabled.observeAsState(false)
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Button(onClick = {
165+
isToolEnabled.value = !isToolEnabledState
166+
}) {
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if (isToolEnabledState) {
168+
Text(getString(R.string.tool_on_button_label))
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} else {
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Text(getString(R.string.tool_off_button_label))
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}
169172
}
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Button(
171174
onClick = {
@@ -184,6 +187,17 @@ class MainActivity : ComponentActivity() {
184187
) {
185188
Text(getString(R.string.clean_history_button_label))
186189
}
190+
Button(
191+
onClick = {
192+
this@MainActivity.isInGeneration.value = true
193+
sendText(userInputFieldText)
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userInputFieldText = ""
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chatHistoryFocusRequester.requestFocus()
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},
197+
enabled = !isInGeneration.value
198+
) {
199+
Text(getString(R.string.send_message_button_label))
200+
}
187201
}
188202
}
189203
}
@@ -359,20 +373,21 @@ class MainActivity : ComponentActivity() {
359373
conversationInstance
360374
}
361375

362-
363-
conversation.registerFunction(
364-
LeapFunction(
365-
"compute_sum", "Compute sum of a series of numbers", listOf(
366-
LeapFunctionParameter(
367-
name = "values",
368-
type = LeapFunctionParameterType.Array(
369-
itemType = LeapFunctionParameterType.String()
370-
),
371-
description = "Numbers to compute sum. Values should be represented in string."
376+
if (isToolEnabled.value == true) {
377+
conversation.registerFunction(
378+
LeapFunction(
379+
"compute_sum", "Compute sum of a series of numbers", listOf(
380+
LeapFunctionParameter(
381+
name = "values",
382+
type = LeapFunctionParameterType.Array(
383+
itemType = LeapFunctionParameterType.String()
384+
),
385+
description = "Numbers to compute sum. Values should be represented in string."
386+
)
372387
)
373388
)
374389
)
375-
)
390+
}
376391

377392
return conversation
378393
}
@@ -455,8 +470,8 @@ class MainActivity : ComponentActivity() {
455470
}
456471

457472
companion object {
458-
const val MODEL_SLUG = "lfm2-1.2b"
459-
const val QUANTIZATION_SLUG = "lfm2-1.2b-20250710-8da4w"
473+
const val MODEL_SLUG = "lfm2-350m"
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const val QUANTIZATION_SLUG = "lfm2-350m-20250710-8da4w"
460475
}
461476
}
462477

@@ -480,9 +495,13 @@ fun ModelLoadingIndicator(
480495
})
481496
}
482497
}
483-
Box(Modifier
484-
.padding(4.dp)
485-
.fillMaxSize(1.0f), contentAlignment = Alignment.Center) {
498+
Box(
499+
Modifier
500+
.padding(4.dp)
501+
.fillMaxSize(1.0f)
502+
.testTag("ModelLoadingIndicator"),
503+
contentAlignment = Alignment.Center
504+
) {
486505
Text(modelLoadingStatusText, style = MaterialTheme.typography.titleSmall)
487506
}
488-
}
507+
}

‎Android/LeapChat/app/src/main/java/ai/liquid/leapchat/views/AssistantMessage.kt‎

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@@ -17,6 +17,7 @@ import androidx.compose.material3.Text
1717
import androidx.compose.runtime.Composable
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import androidx.compose.ui.Alignment
1919
import androidx.compose.ui.Modifier
20+
import androidx.compose.ui.platform.testTag
2021
import androidx.compose.ui.res.painterResource
2122
import androidx.compose.ui.tooling.preview.Preview
2223
import androidx.compose.ui.unit.dp
@@ -27,7 +28,7 @@ fun AssistantMessage(
2728
reasoningText: String?,
2829
) {
2930
val reasoningText = reasoningText?.trim()
30-
Row(modifier = Modifier.padding(all = 8.dp).fillMaxWidth(1.0f), horizontalArrangement = Arrangement.Absolute.Left) {
31+
Row(modifier = Modifier.padding(all = 8.dp).fillMaxWidth(1.0f).testTag("AssistantMessageView"), horizontalArrangement = Arrangement.Absolute.Left) {
3132
Image(
3233
painter = painterResource(R.drawable.smart_toy_outline),
3334
contentDescription = "Assistant icon",
@@ -43,7 +44,7 @@ fun AssistantMessage(
4344
Text(text = reasoningText, style = MaterialTheme.typography.bodySmall, color = MaterialTheme.colorScheme.secondary)
4445
}
4546
Spacer(modifier = Modifier.height(4.dp))
46-
Text(text = text, style = MaterialTheme.typography.bodyMedium)
47+
Text(text = text, style = MaterialTheme.typography.bodyMedium, modifier = Modifier.testTag("AssistantMessageViewText"))
4748
}
4849
}
4950
}

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

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Original file line numberDiff line numberDiff line change
@@ -6,5 +6,6 @@
66
<string name="send_message_button_label">Send</string>
77
<string name="clean_history_button_label">Clean</string>
88
<string name="stop_generation_button_label">Stop</string>
9-
9+
<string name="tool_on_button_label">Tool ON</string>
10+
<string name="tool_off_button_label">Tool OFF</string>
1011
</resources>

‎Android/LeapChat/gradle/libs.versions.toml‎

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Original file line numberDiff line numberDiff line change
@@ -5,7 +5,7 @@ coreKtx = "1.16.0"
55
junit = "4.13.2"
66
junitVersion = "1.2.1"
77
espressoCore = "3.6.1"
8-
leapSdk = "0.4.0"
8+
leapSdk = "0.5.0"
99
lifecycleRuntimeKtx = "2.9.1"
1010
activityCompose = "1.10.1"
1111
composeBom = "2025.06.01"

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