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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| package com.bintianqi.owndroid | ||
|
|
||
| import android.annotation.SuppressLint | ||
| import android.content.Context | ||
| import android.os.Bundle | ||
| import android.util.Log | ||
| import android.view.LayoutInflater | ||
| import android.view.View | ||
| import android.view.ViewGroup | ||
| import androidx.biometric.BiometricManager | ||
| import androidx.biometric.BiometricPrompt | ||
| import androidx.biometric.BiometricPrompt.AuthenticationCallback | ||
| import androidx.biometric.BiometricPrompt.PromptInfo.Builder | ||
| import androidx.compose.foundation.background | ||
| import androidx.compose.foundation.layout.Arrangement | ||
| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.fillMaxSize | ||
| import androidx.compose.material3.Button | ||
| import androidx.compose.material3.MaterialTheme | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.LaunchedEffect | ||
| import androidx.compose.runtime.MutableState | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.platform.ComposeView | ||
| import androidx.compose.ui.res.stringResource | ||
| import androidx.core.content.ContextCompat | ||
| import androidx.fragment.app.Fragment | ||
| import androidx.lifecycle.lifecycleScope | ||
| import com.bintianqi.owndroid.ui.theme.OwnDroidTheme | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.delay | ||
| import kotlinx.coroutines.launch | ||
|
|
||
| class AuthFragment: Fragment() { | ||
| @SuppressLint("UnrememberedMutableState") | ||
| override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View { | ||
| val context = requireContext() | ||
| val sharedPref = context.getSharedPreferences("data", Context.MODE_PRIVATE)!! | ||
| val canStartAuth = mutableStateOf(true) | ||
| val onAuthSucceed = { | ||
| val fragmentManager = this.parentFragmentManager | ||
| val transaction = fragmentManager.beginTransaction() | ||
| transaction.setCustomAnimations(R.anim.enter, R.anim.exit) | ||
| transaction.remove(this@AuthFragment).commit() | ||
| } | ||
| val promptInfo = Builder() | ||
| .setTitle(context.getText(R.string.authenticate)) | ||
| .setSubtitle(context.getText(R.string.auth_with_bio)) | ||
| .setConfirmationRequired(true) | ||
| var fallback = false | ||
| val callback = object: AuthenticationCallback() { | ||
| override fun onAuthenticationSucceeded(result: BiometricPrompt.AuthenticationResult) { | ||
| super.onAuthenticationSucceeded(result) | ||
| onAuthSucceed() | ||
| } | ||
| override fun onAuthenticationError(errorCode: Int, errString: CharSequence) { | ||
| super.onAuthenticationError(errorCode, errString) | ||
| when(errorCode){ | ||
| BiometricPrompt.ERROR_NO_DEVICE_CREDENTIAL -> onAuthSucceed() | ||
| BiometricPrompt.ERROR_NEGATIVE_BUTTON -> fallback = true | ||
| else -> canStartAuth.value = true | ||
| } | ||
| Log.e("OwnDroid", errString.toString()) | ||
| } | ||
| } | ||
| lifecycleScope.launch(Dispatchers.Main) { | ||
| while(true){ | ||
| if(fallback){ | ||
| val fallbackPromptInfo = Builder() | ||
| .setAllowedAuthenticators(BiometricManager.Authenticators.DEVICE_CREDENTIAL) | ||
| .setTitle(context.getText(R.string.authenticate)) | ||
| .setSubtitle(context.getText(R.string.auth_with_password)) | ||
| .setConfirmationRequired(true) | ||
| .build() | ||
| val executor = ContextCompat.getMainExecutor(requireContext()) | ||
| val biometricPrompt = BiometricPrompt(requireActivity(), executor, callback) | ||
| biometricPrompt.authenticate(fallbackPromptInfo) | ||
| break | ||
| } | ||
| delay(50) | ||
| } | ||
| } | ||
| return ComposeView(requireContext()).apply { | ||
| setContent { | ||
| val materialYou = mutableStateOf(sharedPref.getBoolean("material_you",true)) | ||
| val blackTheme = mutableStateOf(sharedPref.getBoolean("black_theme", false)) | ||
| OwnDroidTheme(materialYou.value, blackTheme.value) { | ||
| Auth(this@AuthFragment, promptInfo, callback, canStartAuth) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Composable | ||
| fun Auth(activity: Fragment, promptInfo: Builder, callback: AuthenticationCallback, canStartAuth: MutableState<Boolean>) { | ||
| Column( | ||
| horizontalAlignment = Alignment.CenterHorizontally, | ||
| verticalArrangement = Arrangement.Center, | ||
| modifier = Modifier.fillMaxSize().background(MaterialTheme.colorScheme.background) | ||
| ){ | ||
| Text( | ||
| text = stringResource(R.string.authenticate), | ||
| style = MaterialTheme.typography.headlineLarge, | ||
| color = MaterialTheme.colorScheme.onBackground | ||
| ) | ||
| LaunchedEffect(Unit){ | ||
| delay(300) | ||
| startAuth(activity, promptInfo, callback) | ||
| canStartAuth.value = false | ||
| } | ||
| Button( | ||
| onClick = { | ||
| startAuth(activity, promptInfo, callback) | ||
| canStartAuth.value = false | ||
| }, | ||
| enabled = canStartAuth.value | ||
| ){ | ||
| Text(text = stringResource(R.string.start)) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private fun startAuth(activity: Fragment, promptInfo: Builder, callback: AuthenticationCallback){ | ||
| val context = activity.requireContext() | ||
| val bioManager = BiometricManager.from(context) | ||
| val sharedPref = context.getSharedPreferences("data", Context.MODE_PRIVATE) | ||
| if(sharedPref.getBoolean("bio_auth", false)){ | ||
| when(BiometricManager.BIOMETRIC_SUCCESS){ | ||
| bioManager.canAuthenticate(BiometricManager.Authenticators.BIOMETRIC_STRONG) -> | ||
| promptInfo | ||
| .setAllowedAuthenticators(BiometricManager.Authenticators.BIOMETRIC_STRONG) | ||
| .setNegativeButtonText(context.getText(R.string.use_password)) | ||
| bioManager.canAuthenticate(BiometricManager.Authenticators.BIOMETRIC_WEAK) -> | ||
| promptInfo | ||
| .setAllowedAuthenticators(BiometricManager.Authenticators.BIOMETRIC_WEAK) | ||
| .setNegativeButtonText(context.getText(R.string.use_password)) | ||
| else -> promptInfo | ||
| .setAllowedAuthenticators(BiometricManager.Authenticators.DEVICE_CREDENTIAL) | ||
| .setSubtitle(context.getText(R.string.auth_with_password)) | ||
| } | ||
| }else{ | ||
| promptInfo | ||
| .setAllowedAuthenticators(BiometricManager.Authenticators.DEVICE_CREDENTIAL) | ||
| .setSubtitle(context.getText(R.string.auth_with_password)) | ||
| } | ||
| val executor = ContextCompat.getMainExecutor(context) | ||
| val biometricPrompt = BiometricPrompt(activity, executor, callback) | ||
| biometricPrompt.authenticate(promptInfo.build()) | ||
| } |
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