dialog fragment

SOURCE/app/src/main/java/com/example/measurehearthrate/Base/BaseActivity.kt

@@ -1,15 +1,21 @@
 package com.example.measurehearthrate.Base
 
 import android.os.Bundle
+import android.os.Handler
 import android.util.Log
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
+import com.example.measurehearthrate.View.DialogLoadingFragment
 
 open class BaseActivity : AppCompatActivity() {
 
 
     protected val TAG = this.javaClass.simpleName
 
+    private val mHandler = Handler()
+
+    private var mDialogFragment: DialogLoadingFragment?= null
+
     protected fun addFragment(fragment: Fragment, tag: String?, frameId: Int) {
         supportFragmentManager.beginTransaction()
                 .replace(frameId, fragment, tag)
@@ -23,6 +29,57 @@ open class BaseActivity : AppCompatActivity() {
         MyApplication.instance.appComponent.inject(this)
     }
 
+    fun showLoadingDialog() {
+        showLoadingDialog(false)
+    }
+
+    fun showLoadingDialog(title: String) {
+        showLoadingDialog(false,title)
+    }
+
+    private fun showLoadingDialog(cancelable: Boolean, title: String = "") {
+        Log.d(TAG, "showLoadingDialog: cancelable = $cancelable")
+        hideLoadingDialog()
+        mHandler.post(Runnable {
+            try {
+                if (isDestroyed || isFinishing) {
+                    Log.d(TAG, "Activity is destroy or finishing, no need to show dialog")
+                    return@Runnable
+                }
+
+                mDialogFragment = DialogLoadingFragment.newInstance(title)
+                mDialogFragment!!.isCancelable = cancelable
+                val ft = supportFragmentManager.beginTransaction()
+                ft.add(mDialogFragment!!, DialogLoadingFragment.TAG)
+                ft.commitAllowingStateLoss()
+            } catch (e: Exception) {
+                Log.d(TAG, "Exception when showing progress dialog=$e")
+            }
+        })
+    }
+
+    fun hideLoadingDialog() {
+        Log.d(TAG, "hideLoadingDialog")
+        mHandler.post {
+            try {
+                if (mDialogFragment == null) {
+                    val foundDialog = supportFragmentManager.findFragmentByTag(DialogLoadingFragment.TAG)
+
+                    foundDialog?.let {
+                        mDialogFragment = foundDialog as DialogLoadingFragment
+                    }
+                }
+                if (mDialogFragment != null) {
+                    Log.d(TAG, "hideLoadingDialog dismissAllowingStateLoss")
+                    mDialogFragment!!.dismissAllowingStateLoss()
+                    mDialogFragment = null
+                }
+            } catch (e: Exception) {
+                Log.d(TAG, "Exception when dismiss progress dialog=$e")
+            }
+        }
+    }
+
     override fun onBackPressed() {
         super.onBackPressed()
         finish()

SOURCE/app/src/main/java/com/example/measurehearthrate/Base/BaseFragment.kt

@@ -1,5 +1,6 @@
 package com.example.measurehearthrate.Base
 
+import android.util.Log
 import androidx.fragment.app.Fragment
 
 open class BaseFragment : Fragment() {
@@ -15,4 +16,29 @@ open class BaseFragment : Fragment() {
         transaction.add(frameId, fragment, tag)
         transaction.commitAllowingStateLoss()
     }
+
+    fun showLoadingDialog() {
+        Log.d(TAG,"showLoadingDialog")
+        if(isActive() && activity != null) {
+            (activity as BaseActivity).showLoadingDialog()
+        }
+    }
+
+    fun showLoadingDialog(title: String) {
+        Log.d(TAG,"showLoadingDialog")
+        if(isActive() && activity != null) {
+            (activity as BaseActivity).showLoadingDialog(title)
+        }
+    }
+
+    fun hideLoadingDialog() {
+        Log.d(TAG,"hideLoadingDialog")
+        if(activity != null) {
+            (activity as BaseActivity).hideLoadingDialog()
+        }
+    }
+
+    companion object {
+        const val TAG = "BaseFragment"
+    }
 }

SOURCE/app/src/main/java/com/example/measurehearthrate/Helper/DialogHelper.kt

@@ -0,0 +1,28 @@
+package com.example.measurehearthrate.Helper
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+
+class DialogHelper {
+
+
+    companion object {
+
+        private var mDialogState: MutableLiveData<DialogWrapper> = MutableLiveData()
+
+        val dialogState: LiveData<DialogWrapper>
+            get() = mDialogState
+
+        fun emitDialogState(
+                isshowingDialog: Boolean? = null
+        ) {
+            val dialogModel = DialogWrapper(isshowingDialog)
+            mDialogState.postValue(dialogModel)
+
+        }
+
+        data class DialogWrapper(
+                var isshowingDialog: Boolean?
+        )
+    }
+}

SOURCE/app/src/main/java/com/example/measurehearthrate/View/DialogLoadingFragment.kt

@@ -0,0 +1,60 @@
+package com.example.measurehearthrate.View
+
+import android.graphics.Color
+import android.graphics.drawable.ColorDrawable
+import android.os.Bundle
+import android.text.TextUtils
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.fragment.app.DialogFragment
+import com.example.measurehearthrate.R
+
+class DialogLoadingFragment : DialogFragment() {
+
+    private var title = ""
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        Log.d(TAG,"onCreate")
+        arguments?.let {
+            title = it.getString(DIALOG_TITLE) ?: ""
+        }
+
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.fragment_dialog_loading,container,false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        val textView = view.findViewById<TextView>(R.id.tv_title)
+
+        if(TextUtils.isEmpty(title)) {
+            textView.visibility = View.GONE
+        } else {
+            textView.visibility = View.VISIBLE
+            textView.text = title
+        }
+
+        dialog.window?.setBackgroundDrawable(ColorDrawable(Color.TRANSPARENT))
+
+    }
+
+    companion object {
+        const val TAG = "DialogLoadingFragment"
+        const val DIALOG_TITLE = "DIALOG TITLE"
+
+        fun newInstance(title: String =""): DialogLoadingFragment {
+            val fragment = DialogLoadingFragment()
+            val args = Bundle()
+            args.putString(DIALOG_TITLE,title)
+            fragment.arguments = args
+            return fragment
+        }
+    }
+}

SOURCE/app/src/main/java/com/example/measurehearthrate/View/SignInFragment.kt

@@ -6,8 +6,6 @@ import android.text.TextWatcher
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.Toast
-import androidx.core.widget.doOnTextChanged
 import androidx.databinding.DataBindingUtil
 import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProviders
@@ -99,7 +97,7 @@ class SignInFragment : BaseFragment() {
     }
 
     private fun viewModelObserve() {
-        mViewModel.btnLoginState.observe(this, Observer {
+        mViewModel.loginState.observe(this, Observer {
             val btnLoginModel = it ?: return@Observer
 
             mBinding.get()?.ivCheckedEmail?.let {

SOURCE/app/src/main/java/com/example/measurehearthrate/ViewModel/SigninViewModel.kt

@@ -1,11 +1,10 @@
 package com.example.measurehearthrate.ViewModel
 
 import android.text.TextUtils
-import android.widget.Toast
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import com.example.measurehearthrate.Base.BaseViewModel
-import com.example.measurehearthrate.Base.MyApplication
+import com.example.measurehearthrate.Helper.DialogHelper
 import com.example.measurehearthrate.Helper.ValidationHelper
 import com.example.measurehearthrate.Usecase.SigninUsecase
 import com.example.measurehearthrate.Utils.CoroutineUsecase
@@ -20,10 +19,14 @@ class SigninViewModel @Inject constructor() : BaseViewModel() {
     private var mEmail: String? = null
     private var mPassword: String? = null
 
-    private var mBtnLoginState: MutableLiveData<UiBtnLoginWrapper> = MutableLiveData()
+    private var mLoginState: MutableLiveData<UiLoginWrapper> = MutableLiveData()
+    //private var mDialogState: MutableLiveData<DialogWrapper> = MutableLiveData()
 
-    val btnLoginState: LiveData<UiBtnLoginWrapper>
-        get() = mBtnLoginState
+    val loginState: LiveData<UiLoginWrapper>
+        get() = mLoginState
+
+//    val dialogState: LiveData<DialogWrapper>
+//        get() = mDialogState
 
     override fun start() {
     }
@@ -32,26 +35,28 @@ class SigninViewModel @Inject constructor() : BaseViewModel() {
         mEmail = email
         mPassword = pass
 
+        DialogHelper.emitDialogState(true)
         mSigninUsecase.executeUsecase(SigninUsecase.RequestValue(email, pass),
                 object : CoroutineUsecase.UseCaseCallBack<SigninUsecase.ResponseValue, SigninUsecase.ErrorValue> {
                     override fun onSuccess(responseValue: SigninUsecase.ResponseValue) {
-                            emitLoginState(true, false, false)
+                        DialogHelper.emitDialogState(false)
+                        emitLoginState(true, false, false)
                     }
 
                     override fun onError(errorValue: SigninUsecase.ErrorValue) {
+                        DialogHelper.emitDialogState(false)
                         when (errorValue.errorCode) {
                             ResponseCode.ERROR_PASSWORD -> {
-                                emitLoginState(false, true, true,false,true)
+                                emitLoginState(false, true, true, false, true)
                             }
                             ResponseCode.WRONG_EMAIL -> {
-                                emitLoginState(false, true, true,true)
+                                emitLoginState(false, true, true, true)
 
                             }
                         }
                     }
 
                 })
-        //emitLoginState(true,true)
     }
 
     fun onEmailTextChanged(email: String) {
@@ -81,27 +86,29 @@ class SigninViewModel @Inject constructor() : BaseViewModel() {
         val isEmailValid = ValidationHelper.isEmailValid(mEmail!!)
 
         if (isEmailPassEmpty && isEmailValid) {
-            emitLoginState(null,true, true)
+            emitLoginState(null, true, true)
         }
     }
 
 
     private fun emitLoginState(
-            isLoginSuccess: Boolean ?= null,
+            isLoginSuccess: Boolean? = null,
             enableEmailCheck: Boolean = false,
             enableBtnLogin: Boolean = false,
             wrongEmail: Boolean = false,
             wrongPassword: Boolean = false
     ) {
-        val uiBtnLoginModel = UiBtnLoginWrapper(isLoginSuccess, enableEmailCheck, enableBtnLogin,wrongEmail,wrongPassword)
-        mBtnLoginState.postValue(uiBtnLoginModel)
+        val uiLoginModel = UiLoginWrapper(isLoginSuccess, enableEmailCheck, enableBtnLogin, wrongEmail, wrongPassword)
+        mLoginState.postValue(uiLoginModel)
     }
 
-    data class UiBtnLoginWrapper(
+    data class UiLoginWrapper(
             var isLoginSuccess: Boolean?,
             var enableChecked: Boolean,
             var isEnable: Boolean,
             var wrongEmail: Boolean,
             var wrongPassword: Boolean
     )
+
+
 }

SOURCE/app/src/main/res/drawable/loading_progress.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<animated-rotate xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="500"
+    android:pivotX="50%"
+    android:pivotY="50%">
+
+    <bitmap
+        android:src="@drawable/ic_dialog_loading"
+        android:tint="@color/primaryColor" />
+
+</animated-rotate>

SOURCE/app/src/main/res/layout/fragment_dialog_loading.xml

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="wrap_content"
+    android:layout_height="@dimen/dp152"
+    app:cardCornerRadius="@dimen/dp10">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <ProgressBar
+            android:id="@+id/progress_bar"
+            android:layout_width="@dimen/dp30"
+            android:layout_height="@dimen/dp30"
+            android:layout_margin="@dimen/dp30"
+            android:indeterminate="true"
+            android:indeterminateDrawable="@drawable/loading_progress"
+            app:layout_constraintBottom_toTopOf="@id/tv_title"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <TextView
+            android:id="@+id/tv_title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="@dimen/dp50"
+            android:layout_marginEnd="@dimen/dp50"
+            android:layout_marginBottom="@dimen/dp30"
+            android:gravity="center_horizontal"
+            android:textColor="@color/primaryColor"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/progress_bar"
+            app:layout_constraintVertical_chainStyle="packed" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</androidx.cardview.widget.CardView>