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CodingWithTashiCodingWithTashi
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authentication added
1 parent bb106ad commit 78b3428

23 files changed

Lines changed: 992 additions & 80 deletions

‎app/build.gradle‎

Lines changed: 5 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -10,7 +10,7 @@ android {
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namespace = "com.kharagedition.tibetankeyboard"
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defaultConfig {
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applicationId "com.kharagedition.tibetankeyboard"
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minSdkVersion 21
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minSdkVersion 23
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targetSdkVersion 35
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versionCode 12
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versionName "1.3.13"
@@ -63,6 +63,10 @@ dependencies {
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implementation 'com.google.android.gms:play-services-ads:23.6.0'
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implementation platform('com.google.firebase:firebase-bom:33.9.0')
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implementation 'com.google.firebase:firebase-crashlytics-ktx'
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implementation 'com.google.firebase:firebase-auth-ktx'
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implementation 'com.google.android.gms:play-services-auth:20.7.0'
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implementation 'com.airbnb.android:lottie:6.2.0'
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implementation 'com.github.bumptech.glide:glide:4.16.0'
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implementation 'com.google.firebase:firebase-analytics:22.2.0'
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implementation 'com.google.firebase:firebase-messaging-ktx:24.1.0'
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implementation 'com.github.bumptech.glide:glide:4.15.1'

‎app/src/main/AndroidManifest.xml‎

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@@ -16,10 +16,13 @@
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android:roundIcon="@drawable/icon_launcher"
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android:supportsRtl="true"
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android:theme="@style/Theme.TibetanKeyboard">
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<activity
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android:name=".LoginActivity"
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android:exported="false" />
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<activity
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android:name=".ui.ChatActivity"
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android:exported="false"
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android:windowSoftInputMode="adjustResize"/>
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android:windowSoftInputMode="adjustResize" />
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<activity
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android:name=".SettingsActivity"
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android:exported="true"

‎app/src/main/java/com/kharagedition/tibetankeyboard/LoginActivity.kt‎

Lines changed: 226 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,226 @@
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package com.kharagedition.tibetankeyboard
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import android.content.Intent
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import android.graphics.Color
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import android.net.Uri
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import android.os.Bundle
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import android.text.SpannableString
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import android.text.Spanned
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import android.text.TextPaint
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import android.text.method.LinkMovementMethod
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import android.text.style.ClickableSpan
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import android.view.View
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import android.widget.TextView
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import android.widget.Toast
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import androidx.activity.result.contract.ActivityResultContracts
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import androidx.appcompat.app.AppCompatActivity
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import androidx.core.content.ContextCompat
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import androidx.core.view.ViewCompat
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import androidx.core.view.WindowInsetsCompat
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import com.google.android.gms.auth.api.signin.GoogleSignIn
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import com.google.android.gms.auth.api.signin.GoogleSignInClient
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import com.google.android.gms.auth.api.signin.GoogleSignInOptions
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import com.google.android.gms.common.api.ApiException
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import com.google.android.material.button.MaterialButton
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import com.google.android.material.progressindicator.CircularProgressIndicator
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import com.google.firebase.auth.FirebaseAuth
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import com.google.firebase.auth.GoogleAuthProvider
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import com.google.firebase.auth.ktx.auth
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import com.google.firebase.ktx.Firebase
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import com.kharagedition.tibetankeyboard.R
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import com.kharagedition.tibetankeyboard.UserPreferences
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import com.kharagedition.tibetankeyboard.ui.ChatActivity
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class LoginActivity : AppCompatActivity() {
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private lateinit var auth: FirebaseAuth
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private lateinit var googleSignInClient: GoogleSignInClient
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private lateinit var buttonGoogleSignIn: MaterialButton
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private lateinit var progressIndicator: CircularProgressIndicator
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private lateinit var userPreferences: UserPreferences
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private lateinit var textViewPrivacyPolicy: TextView
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private val googleSignInLauncher = registerForActivityResult(
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ActivityResultContracts.StartActivityForResult()
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) { result ->
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val task = GoogleSignIn.getSignedInAccountFromIntent(result.data)
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try {
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val account = task.getResult(ApiException::class.java)!!
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firebaseAuthWithGoogle(account.idToken!!)
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} catch (e: ApiException) {
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hideLoading()
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Toast.makeText(this, "Google sign in failed: ${e.message}", Toast.LENGTH_SHORT).show()
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}
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContentView(R.layout.activity_login)
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// Initialize Firebase Auth
61+
auth = Firebase.auth
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userPreferences = UserPreferences(this)
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// Check if user is already signed in
65+
if (auth.currentUser != null && userPreferences.isUserLoggedIn()) {
66+
navigateToChatActivity()
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return
68+
}
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//setupEdgeToEdge()
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initializeViews()
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setupPrivacyTextView()
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configureGoogleSignIn()
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setupClickListeners()
75+
}
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77+
private fun setupPrivacyTextView() {
78+
val fullText = "By signing in, you agree to our Terms of Service and Privacy Policy"
79+
val spannableString = SpannableString(fullText)
80+
81+
// Find the positions of the links
82+
val termsStart = fullText.indexOf("Terms of Service")
83+
val termsEnd = termsStart + "Terms of Service".length
84+
val privacyStart = fullText.indexOf("Privacy Policy")
85+
val privacyEnd = privacyStart + "Privacy Policy".length
86+
val termsClickableSpan = object : ClickableSpan() {
87+
override fun onClick(widget: View) {
88+
openTermsOfService()
89+
}
90+
91+
override fun updateDrawState(ds: TextPaint) {
92+
super.updateDrawState(ds)
93+
ds.color = ContextCompat.getColor(this@LoginActivity, R.color.brown_700)
94+
ds.isUnderlineText = true
95+
}
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}
97+
98+
val privacyClickableSpan = object : ClickableSpan() {
99+
override fun onClick(widget: View) {
100+
openPrivacyPolicy()
101+
}
102+
103+
override fun updateDrawState(ds: TextPaint) {
104+
super.updateDrawState(ds)
105+
ds.color = ContextCompat.getColor(this@LoginActivity, R.color.brown_700)
106+
ds.isUnderlineText = true
107+
}
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}
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// Apply the spans
111+
spannableString.setSpan(termsClickableSpan, termsStart, termsEnd, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
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spannableString.setSpan(privacyClickableSpan, privacyStart, privacyEnd, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
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// Set the text and make it clickable
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textViewPrivacyPolicy.text = spannableString
116+
textViewPrivacyPolicy.movementMethod = LinkMovementMethod.getInstance()
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118+
// Optional: Remove the default link color highlighting
119+
textViewPrivacyPolicy.highlightColor = Color.TRANSPARENT
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122+
}
123+
private fun openTermsOfService() {
124+
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("https://kharagedition.github.io/term-and-condition/tibetan-keyboard.html"))
125+
startActivity(intent)
126+
}
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128+
private fun openPrivacyPolicy() {
129+
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("https://kharagedition.github.io/privacy-policy/tibetan-keyboard"))
130+
startActivity(intent)
131+
}
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133+
private fun setupEdgeToEdge() {
134+
ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main_container)) { v, insets ->
135+
val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
136+
v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
137+
insets
138+
}
139+
}
140+
141+
private fun initializeViews() {
142+
buttonGoogleSignIn = findViewById(R.id.buttonGoogleSignIn)
143+
progressIndicator = findViewById(R.id.progressIndicator)
144+
textViewPrivacyPolicy = findViewById(R.id.textViewPrivacy)
145+
}
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147+
private fun configureGoogleSignIn() {
148+
val gso = GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
149+
.requestIdToken(getString(R.string.default_web_client_id))
150+
.requestEmail()
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.requestProfile()
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.build()
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154+
googleSignInClient = GoogleSignIn.getClient(this, gso)
155+
}
156+
157+
private fun setupClickListeners() {
158+
buttonGoogleSignIn.setOnClickListener {
159+
signInWithGoogle()
160+
}
161+
}
162+
163+
private fun signInWithGoogle() {
164+
showLoading()
165+
val signInIntent = googleSignInClient.signInIntent
166+
googleSignInLauncher.launch(signInIntent)
167+
}
168+
169+
private fun firebaseAuthWithGoogle(idToken: String) {
170+
val credential = GoogleAuthProvider.getCredential(idToken, null)
171+
auth.signInWithCredential(credential)
172+
.addOnCompleteListener(this) { task ->
173+
hideLoading()
174+
if (task.isSuccessful) {
175+
val user = auth.currentUser
176+
user?.let {
177+
// Save user login state
178+
userPreferences.saveUserLoginState(
179+
isLoggedIn = true,
180+
userId = it.uid,
181+
userName = it.displayName ?: "User",
182+
userEmail = it.email ?: "",
183+
userPhotoUrl = it.photoUrl?.toString() ?: ""
184+
)
185+
186+
Toast.makeText(this, "Welcome ${it.displayName}!", Toast.LENGTH_SHORT).show()
187+
navigateToChatActivity()
188+
}
189+
} else {
190+
Toast.makeText(
191+
this,
192+
"Authentication failed: ${task.exception?.message}",
193+
Toast.LENGTH_SHORT
194+
).show()
195+
}
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}
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}
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199+
private fun showLoading() {
200+
buttonGoogleSignIn.text = ""
201+
buttonGoogleSignIn.isEnabled = false
202+
progressIndicator.visibility = android.view.View.VISIBLE
203+
}
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205+
private fun hideLoading() {
206+
buttonGoogleSignIn.text = getString(R.string.sign_in_with_google)
207+
buttonGoogleSignIn.isEnabled = true
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progressIndicator.visibility = android.view.View.GONE
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}
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211+
private fun navigateToChatActivity() {
212+
val intent = Intent(this, ChatActivity::class.java)
213+
//intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
214+
startActivity(intent)
215+
finish()
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}
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218+
public override fun onStart() {
219+
super.onStart()
220+
// Check if user is signed in and update UI accordingly
221+
val currentUser = auth.currentUser
222+
if (currentUser != null && userPreferences.isUserLoggedIn()) {
223+
navigateToChatActivity()
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}
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}
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}

‎app/src/main/java/com/kharagedition/tibetankeyboard/UserPreferences.kt‎

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@@ -0,0 +1,75 @@
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package com.kharagedition.tibetankeyboard
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import android.content.Context
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import android.content.SharedPreferences
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class UserPreferences(context: Context) {
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8+
private val sharedPreferences: SharedPreferences =
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context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
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companion object {
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private const val PREF_NAME = "user_preferences"
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private const val KEY_IS_LOGGED_IN = "is_logged_in"
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private const val KEY_USER_ID = "user_id"
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private const val KEY_USER_NAME = "user_name"
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private const val KEY_USER_EMAIL = "user_email"
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private const val KEY_USER_PHOTO_URL = "user_photo_url"
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private const val KEY_FIRST_TIME_USER = "first_time_user"
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}
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fun saveUserLoginState(
22+
isLoggedIn: Boolean,
23+
userId: String = "",
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userName: String = "",
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userEmail: String = "",
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userPhotoUrl: String = ""
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) {
28+
sharedPreferences.edit().apply {
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putBoolean(KEY_IS_LOGGED_IN, isLoggedIn)
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putString(KEY_USER_ID, userId)
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putString(KEY_USER_NAME, userName)
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putString(KEY_USER_EMAIL, userEmail)
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putString(KEY_USER_PHOTO_URL, userPhotoUrl)
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if (isLoggedIn && isFirstTimeUser()) {
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putBoolean(KEY_FIRST_TIME_USER, false)
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}
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apply()
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}
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}
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fun isUserLoggedIn(): Boolean {
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return sharedPreferences.getBoolean(KEY_IS_LOGGED_IN, false)
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}
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fun getUserId(): String {
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return sharedPreferences.getString(KEY_USER_ID, "") ?: ""
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}
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fun getUserName(): String {
50+
return sharedPreferences.getString(KEY_USER_NAME, "") ?: ""
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}
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fun getUserEmail(): String {
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return sharedPreferences.getString(KEY_USER_EMAIL, "") ?: ""
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}
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fun getUserPhotoUrl(): String {
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return sharedPreferences.getString(KEY_USER_PHOTO_URL, "") ?: ""
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}
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fun isFirstTimeUser(): Boolean {
62+
return sharedPreferences.getBoolean(KEY_FIRST_TIME_USER, true)
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}
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fun clearUserData() {
66+
sharedPreferences.edit().apply {
67+
putBoolean(KEY_IS_LOGGED_IN, false)
68+
putString(KEY_USER_ID, "")
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putString(KEY_USER_NAME, "")
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putString(KEY_USER_EMAIL, "")
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putString(KEY_USER_PHOTO_URL, "")
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apply()
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}
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}
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}

‎app/src/main/java/com/kharagedition/tibetankeyboard/chat/ChatViewModel.kt‎

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Original file line numberDiff line numberDiff line change
@@ -74,4 +74,8 @@ class ChatViewModel : ViewModel() {
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_messages.value = listOf(welcomeMessage)
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}
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}
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fun clearMessages() {
79+
_messages.value = emptyList()
80+
}
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}

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