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Compose Firebase Dynamic Links (#1477)
1 parent b634e62 commit 8c3e5e5

12 files changed

Lines changed: 623 additions & 127 deletions

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‎dynamiclinks/app/build.gradle‎

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@@ -89,6 +89,7 @@ dependencies {
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implementation "androidx.compose.material:material:$compose_version"
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implementation "androidx.compose.ui:ui-tooling-preview:$compose_version"
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implementation 'androidx.activity:activity-compose:1.5.1'
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implementation 'androidx.lifecycle:lifecycle-viewmodel-compose:2.5.1'
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androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
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androidTestImplementation 'androidx.test:rules:1.4.0'

‎dynamiclinks/app/src/main/AndroidManifest.xml‎

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@@ -19,7 +19,6 @@
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<activity android:name=".java.MainActivity"
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android:exported="true">
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<!-- [START link_intent_filter] -->
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<intent-filter>
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<action android:name="android.intent.action.VIEW"/>
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<category android:name="android.intent.category.DEFAULT"/>
@@ -28,7 +27,6 @@
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android:host="example.com"
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android:scheme="https"/>
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</intent-filter>
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<!-- [END link_intent_filter] -->
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</activity>
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<activity android:name=".kotlin.MainActivity"
@@ -42,6 +40,18 @@
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android:scheme="https"/>
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</intent-filter>
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</activity>
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<activity android:name=".kotlin.MainComposeActivity"
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android:exported="true">
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<intent-filter>
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<action android:name="android.intent.action.VIEW"/>
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<category android:name="android.intent.category.DEFAULT"/>
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<category android:name="android.intent.category.BROWSABLE"/>
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<data
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android:host="kotlin.example.com"
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android:scheme="https"/>
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎dynamiclinks/app/src/main/java/com/google/firebase/quickstart/deeplinks/EntryChoiceActivity.kt‎

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@@ -15,7 +15,11 @@ class EntryChoiceActivity : BaseEntryChoiceActivity() {
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Choice(
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"Kotlin",
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"Run the Firebase Dynamic Links quickstart written in Kotlin.",
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Intent(this, com.google.firebase.quickstart.deeplinks.kotlin.MainActivity::class.java))
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Intent(this, com.google.firebase.quickstart.deeplinks.kotlin.MainActivity::class.java)),
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Choice(
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"Compose",
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"Run the Firebase Dynamic Links quickstart written in Compose.",
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Intent(this, com.google.firebase.quickstart.deeplinks.kotlin.MainComposeActivity::class.java))
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)
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}
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}

‎dynamiclinks/app/src/main/java/com/google/firebase/quickstart/deeplinks/java/MainActivity.java‎

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@@ -46,10 +46,8 @@ public class MainActivity extends AppCompatActivity {
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private static final String TAG = "MainActivity";
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private static final String DEEP_LINK_URL = "https://example.com/deeplinks";
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// [START on_create]
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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// [START_EXCLUDE]
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super.onCreate(savedInstanceState);
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ActivityMainBinding binding = ActivityMainBinding.inflate(getLayoutInflater());
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setContentView(binding.getRoot());
@@ -89,9 +87,7 @@ public void onClick(View v) {
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buildShortLinkFromParams(deepLink, 0);
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}
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});
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// [END_EXCLUDE]
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// [START get_deep_link]
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FirebaseDynamicLinks.getInstance()
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.getDynamicLink(getIntent())
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.addOnSuccessListener(this, new OnSuccessListener<PendingDynamicLinkData>() {
@@ -109,7 +105,6 @@ public void onSuccess(PendingDynamicLinkData pendingDynamicLinkData) {
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// account.
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// ...
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112-
// [START_EXCLUDE]
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// Display deep link in the UI
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if (deepLink != null) {
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Snackbar.make(findViewById(android.R.id.content),
@@ -119,7 +114,6 @@ public void onSuccess(PendingDynamicLinkData pendingDynamicLinkData) {
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} else {
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Log.d(TAG, "getDynamicLink: no link found");
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}
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// [END_EXCLUDE]
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}
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})
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.addOnFailureListener(this, new OnFailureListener() {
@@ -128,9 +122,7 @@ public void onFailure(@NonNull Exception e) {
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Log.w(TAG, "getDynamicLink:onFailure", e);
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}
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});
131-
// [END get_deep_link]
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}
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// [END on_create]
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/**
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* Build a Firebase Dynamic Link.
@@ -152,7 +144,6 @@ public Uri buildDeepLink(@NonNull Uri deepLink, int minVersion) {
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// * URI prefix (required)
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// * Android Parameters (required)
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// * Deep link
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// [START build_dynamic_link]
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DynamicLink.Builder builder = FirebaseDynamicLinks.getInstance()
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.createDynamicLink()
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.setDomainUriPrefix(uriPrefix)
@@ -163,7 +154,6 @@ public Uri buildDeepLink(@NonNull Uri deepLink, int minVersion) {
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// Build the dynamic link
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DynamicLink link = builder.buildDynamicLink();
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// [END build_dynamic_link]
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168158
// Return the dynamic link as a URI
169159
return link.getUri();

‎dynamiclinks/app/src/main/java/com/google/firebase/quickstart/deeplinks/kotlin/DynamicLinksViewModel.kt‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,143 @@
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package com.google.firebase.quickstart.deeplinks.kotlin
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import android.content.Intent
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import android.net.Uri
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import android.util.Log
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.ViewModelProvider
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import androidx.lifecycle.viewModelScope
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import androidx.lifecycle.viewmodel.CreationExtras
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import com.google.firebase.dynamiclinks.FirebaseDynamicLinks
11+
import com.google.firebase.dynamiclinks.PendingDynamicLinkData
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import com.google.firebase.dynamiclinks.ktx.androidParameters
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import com.google.firebase.dynamiclinks.ktx.dynamicLink
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import com.google.firebase.dynamiclinks.ktx.dynamicLinks
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import com.google.firebase.dynamiclinks.ktx.shortLinkAsync
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import com.google.firebase.ktx.Firebase
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import kotlinx.coroutines.flow.MutableStateFlow
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import kotlinx.coroutines.flow.StateFlow
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.tasks.await
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class DynamicLinksViewModel(
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private val dynamicLinks: FirebaseDynamicLinks
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): ViewModel() {
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private val _deepLink = MutableStateFlow("")
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val deepLink: StateFlow<String> = _deepLink
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29+
private val _shortLink = MutableStateFlow("")
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val shortLink: StateFlow<String> = _shortLink
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32+
private val _validUriPrefix = MutableStateFlow(true)
33+
val validUriPrefix: StateFlow<Boolean> = _validUriPrefix
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35+
fun getDynamicLink(intent: Intent) {
36+
viewModelScope.launch {
37+
try {
38+
val pendingDynamicLinkData: PendingDynamicLinkData = dynamicLinks
39+
.getDynamicLink(intent)
40+
.await()
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42+
val deepLink: Uri? = pendingDynamicLinkData.link
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44+
// Handle the deep link. For example, open the linked
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// content, or apply promotional credit to the user's
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// account.
47+
// ...
48+
49+
// Display deep link in the UI
50+
if (deepLink != null) {
51+
_deepLink.value = deepLink.toString()
52+
} else {
53+
Log.d(TAG, "getDynamicLink: no link found")
54+
}
55+
} catch (e: Exception) {
56+
Log.w(TAG, "getDynamicLink:onFailure", e)
57+
}
58+
}
59+
}
60+
61+
62+
/**
63+
* Build a Firebase Dynamic Link.
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* https://firebase.google.com/docs/dynamic-links/android/create#create-a-dynamic-link-from-parameters
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*
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* @param deepLink the deep link your app will open. This link must be a valid URL and use the
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* HTTP or HTTPS scheme.
68+
* @param minVersion the `versionCode` of the minimum version of your app that can open
69+
* the deep link. If the installed app is an older version, the user is taken
70+
* to the Play store to upgrade the app. Pass 0 if you do not
71+
* require a minimum version.
72+
* @return a [Uri] representing a properly formed deep link.
73+
*/
74+
// @VisibleForTesting
75+
fun buildDeepLink(uriPrefix: String, deepLink: Uri, minVersion: Int): Uri {
76+
// Set dynamic link parameters:
77+
// * URI prefix (required)
78+
// * Android Parameters (required)
79+
// * Deep link
80+
// Build the dynamic link
81+
val link = Firebase.dynamicLinks.dynamicLink {
82+
domainUriPrefix = uriPrefix
83+
androidParameters {
84+
minimumVersion = minVersion
85+
}
86+
link = deepLink
87+
}
88+
89+
// Return the dynamic link as a URI
90+
return link.uri
91+
}
92+
93+
// @VisibleForTesting
94+
fun buildShortLinkFromParams(uriPrefix: String, deepLink: Uri, minVersion: Int) {
95+
// Set dynamic link parameters:
96+
// * URI prefix (required)
97+
// * Android Parameters (required)
98+
// * Deep link
99+
100+
try {
101+
viewModelScope.launch {
102+
val shortDynamicLinks = Firebase.dynamicLinks.shortLinkAsync {
103+
link = deepLink
104+
domainUriPrefix = uriPrefix
105+
androidParameters {
106+
minimumVersion = minVersion
107+
}
108+
}.await()
109+
110+
val shortLinks = shortDynamicLinks.shortLink
111+
// val flowChartLink = shortDynamicLinks.previewLink
112+
113+
_shortLink.value = shortLinks.toString()
114+
}
115+
} catch (e: Exception) {
116+
Log.e(TAG, e.toString())
117+
}
118+
}
119+
120+
fun validateAppCode(uriPrefix: String) {
121+
if (uriPrefix.contains("YOUR_APP")) {
122+
_validUriPrefix.value = false
123+
}
124+
}
125+
126+
companion object {
127+
const val TAG = "DynamicLinksViewModel"
128+
129+
// Used to inject this ViewModel's dependencies
130+
// See also: https://developer.android.com/topic/libraries/architecture/viewmodel/viewmodel-factories
131+
val Factory: ViewModelProvider.Factory = object : ViewModelProvider.Factory {
132+
@Suppress("UNCHECKED_CAST")
133+
override fun <T : ViewModel> create(
134+
modelClass: Class<T>,
135+
extras: CreationExtras
136+
): T {
137+
// Get Remote Config instance.
138+
val dynamicLinks = Firebase.dynamicLinks
139+
return DynamicLinksViewModel(dynamicLinks) as T
140+
}
141+
}
142+
}
143+
}

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