Added Password Update Feature

app/src/main/java/chat/rocket/android/settings/di/SettingsFragmentModule.kt

+package chat.rocket.android.settings.di
+
+import android.arch.lifecycle.LifecycleOwner
+import chat.rocket.android.core.lifecycle.CancelStrategy
+import chat.rocket.android.dagger.scope.PerFragment
+import chat.rocket.android.settings.presentation.SettingsView
+import chat.rocket.android.settings.ui.SettingsFragment
+import dagger.Module
+import dagger.Provides
+import kotlinx.coroutines.experimental.Job
+
+@Module
+@PerFragment
+class SettingsFragmentModule {
+    @Provides
+    fun settingsView(frag: SettingsFragment): SettingsView {
+        return frag
+    }
+
+    @Provides
+    fun settingsLifecycleOwner(frag: SettingsFragment): LifecycleOwner {
+        return frag
+    }
+
+    @Provides
+    fun provideCancelStrategy(owner: LifecycleOwner, jobs: Job): CancelStrategy {
+        return CancelStrategy(owner, jobs)
+    }
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/settings/di/SettingsFragmentProvider.kt

+package chat.rocket.android.settings.di
+
+import chat.rocket.android.settings.ui.SettingsFragment
+import dagger.Module
+import dagger.android.ContributesAndroidInjector
+
+@Module
+abstract class SettingsFragmentProvider {
+    @ContributesAndroidInjector(modules = [SettingsFragmentModule::class])
+    abstract fun provideSettingsFragment(): SettingsFragment
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/settings/password/di/PasswordFragmentModule.kt

+package chat.rocket.android.settings.password.di
+
+import android.arch.lifecycle.LifecycleOwner
+import chat.rocket.android.core.lifecycle.CancelStrategy
+import chat.rocket.android.dagger.scope.PerFragment
+import chat.rocket.android.settings.password.presentation.PasswordView
+import chat.rocket.android.settings.password.ui.PasswordFragment
+import dagger.Module
+import dagger.Provides
+import kotlinx.coroutines.experimental.Job
+
+@Module
+@PerFragment
+class PasswordFragmentModule {
+    @Provides
+    fun passwordView(frag: PasswordFragment): PasswordView {
+        return frag
+    }
+
+    @Provides
+    fun settingsLifecycleOwner(frag: PasswordFragment): LifecycleOwner {
+        return frag
+    }
+
+    @Provides
+    fun provideCancelStrategy(owner: LifecycleOwner, jobs: Job): CancelStrategy {
+        return CancelStrategy(owner, jobs)
+    }
+}

app/src/main/java/chat/rocket/android/settings/password/di/PasswordFragmentProvider.kt

+package chat.rocket.android.settings.password.di
+
+import chat.rocket.android.settings.password.ui.PasswordFragment
+import dagger.Module
+import dagger.android.ContributesAndroidInjector
+
+@Module
+abstract class PasswordFragmentProvider {
+    @ContributesAndroidInjector(modules = [PasswordFragmentModule::class])
+    abstract fun providePasswordFragment(): PasswordFragment
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/settings/password/presentation/PasswordPresenter.kt

+package chat.rocket.android.settings.password.presentation
+
+import chat.rocket.android.core.lifecycle.CancelStrategy
+import chat.rocket.android.server.domain.GetCurrentServerInteractor
+import chat.rocket.android.server.infraestructure.RocketChatClientFactory
+import chat.rocket.android.util.extensions.launchUI
+import chat.rocket.common.RocketChatException
+import chat.rocket.core.RocketChatClient
+import chat.rocket.core.internal.rest.me
+import chat.rocket.core.internal.rest.updateProfile
+import javax.inject.Inject
+
+class PasswordPresenter @Inject constructor (private val view: PasswordView,
+                                             private val strategy: CancelStrategy,
+                                             serverInteractor: GetCurrentServerInteractor,
+                                             factory: RocketChatClientFactory){
+    private val serverUrl = serverInteractor.get()!!
+    private val client: RocketChatClient = factory.create(serverUrl)
+
+    fun updatePassword(password: String) {
+        launchUI(strategy) {
+            try {
+                view.showLoading()
+
+                client.updateProfile(client.me().id, null, null, password, null)
+
+                view.showPasswordSuccessfullyUpdatedMessage()
+                view.hideLoading()
+            } catch (exception: RocketChatException) {
+                view.showPasswordFailsUpdateMessage(exception.message)
+                view.hideLoading()
+            }
+        }
+    }
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/settings/password/presentation/PasswordView.kt

+package chat.rocket.android.settings.password.presentation
+
+import chat.rocket.android.core.behaviours.LoadingView
+
+interface PasswordView: LoadingView {
+    /**
+     * Shows a message when a user's password is successfully updated
+     */
+    fun showPasswordSuccessfullyUpdatedMessage()
+
+    /**
+     * Shows a message when the user's password fails to update
+     * @param error is a String containing the failure message
+     */
+    fun showPasswordFailsUpdateMessage(error : String?)
+}

app/src/main/java/chat/rocket/android/settings/password/ui/PasswordActivity.kt

+package chat.rocket.android.settings.password.ui
+
+import android.os.Bundle
+import android.support.v4.app.Fragment
+import android.support.v7.app.AppCompatActivity
+import chat.rocket.android.R
+import chat.rocket.android.chatrooms.ui.ChatRoomsFragment
+import chat.rocket.android.util.extensions.addFragment
+import chat.rocket.android.util.extensions.textContent
+import dagger.android.AndroidInjection
+import dagger.android.AndroidInjector
+import dagger.android.DispatchingAndroidInjector
+import dagger.android.support.HasSupportFragmentInjector
+import kotlinx.android.synthetic.main.app_bar_password.*
+import javax.inject.Inject
+
+class PasswordActivity : AppCompatActivity(), HasSupportFragmentInjector {
+    @Inject lateinit var fragmentDispatchingAndroidInjector: DispatchingAndroidInjector<Fragment>
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        AndroidInjection.inject(this)
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_password)
+
+        setupToolbar()
+        addFragment("PasswordFragment")
+    }
+
+    override fun onBackPressed() {
+        super.onBackPressed()
+        finish()
+        overridePendingTransition(R.anim.close_enter, R.anim.close_exit)
+    }
+
+    override fun onSupportNavigateUp(): Boolean {
+        onBackPressed()
+        return super.onNavigateUp()
+    }
+
+    override fun supportFragmentInjector(): AndroidInjector<Fragment> = fragmentDispatchingAndroidInjector
+
+    private fun addFragment(tag: String) {
+        addFragment(tag, R.id.fragment_container) {
+            PasswordFragment.newInstance()
+        }
+    }
+
+    private fun setupToolbar() {
+        setSupportActionBar(toolbar)
+        text_change_password.textContent = resources.getString(R.string.title_password)
+    }
+}

app/src/main/java/chat/rocket/android/settings/password/ui/PasswordFragment.kt

+package chat.rocket.android.settings.password.ui
+
+import android.os.Bundle
+import android.support.v4.app.Fragment
+import android.view.*
+import android.widget.Toast
+import chat.rocket.android.R
+import chat.rocket.android.settings.password.presentation.PasswordPresenter
+import chat.rocket.android.settings.password.presentation.PasswordView
+import chat.rocket.android.util.extensions.asObservable
+import chat.rocket.android.util.extensions.inflate
+import chat.rocket.android.util.extensions.textContent
+import android.support.v7.view.ActionMode
+import dagger.android.support.AndroidSupportInjection
+import io.reactivex.rxkotlin.Observables
+import kotlinx.android.synthetic.main.fragment_password.*
+import javax.inject.Inject
+
+class PasswordFragment: Fragment(), PasswordView, android.support.v7.view.ActionMode.Callback {
+    @Inject lateinit var presenter: PasswordPresenter
+    private var actionMode: ActionMode? = null
+
+    companion object {
+        fun newInstance() = PasswordFragment()
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        AndroidSupportInjection.inject(this)
+        super.onCreate(savedInstanceState)
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? = container?.inflate(R.layout.fragment_password)
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        listenToChanges()
+    }
+
+    override fun hideLoading() {
+        layout_new_password.visibility = View.VISIBLE
+        layout_confirm_password.visibility = View.VISIBLE
+        view_loading.visibility = View.GONE
+    }
+
+    override fun onActionItemClicked(mode: ActionMode, menuItem: MenuItem): Boolean {
+        return when (menuItem.itemId) {
+            R.id.action_password -> {
+                presenter.updatePassword(text_new_password.textContent)
+                mode.finish()
+                return true
+            }
+            else -> {
+                false
+            }
+        }
+    }
+
+    override fun onCreateActionMode(mode: ActionMode, menu: Menu?): Boolean {
+        mode.menuInflater.inflate(R.menu.password, menu)
+        mode.title = resources.getString(R.string.action_confirm_password)
+        return true
+    }
+
+    override fun onPrepareActionMode(mode: ActionMode?, menu: Menu?): Boolean = false
+
+    override fun onDestroyActionMode(mode: ActionMode?) {
+        actionMode = null
+    }
+
+    override fun showLoading() {
+        layout_new_password.visibility = View.GONE
+        layout_confirm_password.visibility = View.GONE
+        view_loading.visibility = View.VISIBLE
+    }
+
+    override fun showPasswordFailsUpdateMessage(error: String?) {
+        showToast("Password fails to update: " + error)
+    }
+
+    override fun showPasswordSuccessfullyUpdatedMessage() {
+        showToast("Password was successfully updated!")
+    }
+
+    private fun finishActionMode() = actionMode?.finish()
+
+    private fun listenToChanges() {
+        Observables.combineLatest(text_new_password.asObservable(), text_confirm_password.asObservable()).subscribe {
+            val textPassword = text_new_password.textContent
+            val textConfirmPassword = text_confirm_password.textContent
+
+            if (textPassword.length > 5 && textConfirmPassword.length > 5 && textPassword.equals(textConfirmPassword))
+                startActionMode()
+            else
+                finishActionMode()
+        }
+    }
+
+    private fun showToast(msg: String?) {
+        Toast.makeText(context, msg, Toast.LENGTH_LONG).show()
+    }
+
+    private fun startActionMode() {
+        if (actionMode == null) {
+            actionMode = (activity as PasswordActivity).startSupportActionMode(this)
+        }
+    }
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/settings/presentation/SettingsView.kt

+package chat.rocket.android.settings.presentation
+
+interface SettingsView

app/src/main/java/chat/rocket/android/settings/ui/SettingsFragment.kt

+package chat.rocket.android.settings.ui
+
+import android.content.Intent
+import android.os.Bundle
+import android.support.v4.app.Fragment
+import android.support.v7.app.AppCompatActivity
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.AdapterView
+import chat.rocket.android.R
+import chat.rocket.android.main.ui.MainActivity
+import chat.rocket.android.settings.password.ui.PasswordActivity
+import chat.rocket.android.settings.presentation.SettingsView
+import chat.rocket.android.util.extensions.inflate
+import kotlinx.android.synthetic.main.app_bar.*
+import kotlinx.android.synthetic.main.fragment_settings.*
+import kotlin.reflect.KClass
+
+class SettingsFragment: Fragment(), SettingsView, AdapterView.OnItemClickListener {
+    companion object {
+        fun newInstance() = SettingsFragment()
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? = container?.inflate(R.layout.fragment_settings)
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        setupToolbar()
+        setupListView()
+    }
+
+    override fun onItemClick(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
+        when (parent?.getItemAtPosition(position).toString()) {
+            "Change Password" -> {
+                startNewActivity(PasswordActivity::class)
+            }
+        }
+    }
+
+    private fun setupListView() {
+        settings_list.onItemClickListener = this
+    }
+
+    private fun setupToolbar() {
+        (activity as MainActivity).toolbar.title = getString(R.string.title_settings)
+    }
+
+    private fun startNewActivity(classType: KClass<out AppCompatActivity>) {
+        startActivity(Intent(activity, classType.java))
+        activity!!.overridePendingTransition(R.anim.open_enter, R.anim.open_exit)
+
+    }
+}

app/src/main/res/drawable/ic_settings_black_24dp.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M19.43,12.98c0.04,-0.32 0.07,-0.64 0.07,-0.98s-0.03,-0.66 -0.07,-0.98l2.11,-1.65c0.19,-0.15 0.24,-0.42 0.12,-0.64l-2,-3.46c-0.12,-0.22 -0.39,-0.3 -0.61,-0.22l-2.49,1c-0.52,-0.4 -1.08,-0.73 -1.69,-0.98l-0.38,-2.65C14.46,2.18 14.25,2 14,2h-4c-0.25,0 -0.46,0.18 -0.49,0.42l-0.38,2.65c-0.61,0.25 -1.17,0.59 -1.69,0.98l-2.49,-1c-0.23,-0.09 -0.49,0 -0.61,0.22l-2,3.46c-0.13,0.22 -0.07,0.49 0.12,0.64l2.11,1.65c-0.04,0.32 -0.07,0.65 -0.07,0.98s0.03,0.66 0.07,0.98l-2.11,1.65c-0.19,0.15 -0.24,0.42 -0.12,0.64l2,3.46c0.12,0.22 0.39,0.3 0.61,0.22l2.49,-1c0.52,0.4 1.08,0.73 1.69,0.98l0.38,2.65c0.03,0.24 0.24,0.42 0.49,0.42h4c0.25,0 0.46,-0.18 0.49,-0.42l0.38,-2.65c0.61,-0.25 1.17,-0.59 1.69,-0.98l2.49,1c0.23,0.09 0.49,0 0.61,-0.22l2,-3.46c0.12,-0.22 0.07,-0.49 -0.12,-0.64l-2.11,-1.65zM12,15.5c-1.93,0 -3.5,-1.57 -3.5,-3.5s1.57,-3.5 3.5,-3.5 3.5,1.57 3.5,3.5 -1.57,3.5 -3.5,3.5z"/>
+</vector>

app/src/main/res/layout/activity_password.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:theme="@style/AppTheme"
+    tools:context=".settings.password.ui.PasswordActivity">
+    <include
+        android:id="@+id/layout_app_bar"
+        layout="@layout/app_bar_password" />
+    <FrameLayout
+        android:id="@+id/fragment_container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</LinearLayout>
\ No newline at end of file

app/src/main/res/layout/app_bar_password.xml

+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.AppBarLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="@color/colorPrimary"
+    android:theme="@style/Theme.AppCompat.Light.NoActionBar">
+
+    <android.support.v7.widget.Toolbar
+        android:id="@+id/toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="?attr/actionBarSize"
+        app:layout_scrollFlags="scroll|enterAlways"
+        app:navigationIcon="?android:attr/homeAsUpIndicator"
+        app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
+        app:theme="@style/ActionModeStyle">
+        <RelativeLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+            <TextView
+                android:id="@+id/text_change_password"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentStart="true"
+                android:ellipsize="end"
+                android:maxLines="1"
+                android:textColor="@color/white"
+                android:textSize="18sp"
+                android:textStyle="bold"
+                tools:text="@string/title_password" />
+        </RelativeLayout>
+    </android.support.v7.widget.Toolbar>
+
+</android.support.design.widget.AppBarLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_password.xml

+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <android.support.design.widget.TextInputLayout
+        android:id="@+id/layout_new_password"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:theme="@style/EditText.Password"
+        app:layout_constraintBottom_toTopOf="@id/middle_guide"
+        app:layout_constraintStart_toEndOf="@id/start_guide"
+        app:layout_constraintEnd_toStartOf="@id/end_guide">
+        <EditText
+            android:id="@+id/text_new_password"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/msg_new_password"
+            android:inputType="textPassword" />
+    </android.support.design.widget.TextInputLayout>
+
+    <android.support.design.widget.TextInputLayout
+        android:id="@+id/layout_confirm_password"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:theme="@style/EditText.Password"
+        app:layout_constraintTop_toBottomOf="@id/middle_guide"
+        app:layout_constraintStart_toEndOf="@id/start_guide"
+        app:layout_constraintEnd_toStartOf="@id/end_guide">
+        <EditText
+            android:id="@+id/text_confirm_password"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/msg_confirm_password"
+            android:inputType="textPassword" />
+    </android.support.design.widget.TextInputLayout>
+
+    <com.wang.avi.AVLoadingIndicatorView
+        android:id="@+id/view_loading"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:visibility="gone"
+        app:layout_constraintTop_toBottomOf="@id/middle_guide"
+        app:layout_constraintStart_toEndOf="@id/start_guide"
+        app:layout_constraintEnd_toStartOf="@id/end_guide"
+        app:indicatorColor="@color/black"
+        app:indicatorName="BallPulseIndicator" />
+
+    <android.support.constraint.Guideline
+        android:id="@+id/middle_guide"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        app:layout_constraintGuide_percent="0.2" />
+
+    <android.support.constraint.Guideline
+        android:id="@+id/start_guide"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintGuide_percent="0.05" />
+
+    <android.support.constraint.Guideline
+        android:id="@+id/end_guide"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintGuide_percent="0.95" />
+</android.support.constraint.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_settings.xml

+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <ListView
+        android:id="@+id/settings_list"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:entries="@array/settings_actions"/>
+</RelativeLayout>
\ No newline at end of file

app/src/main/res/menu/password.xml

+<?xml version="1.0" encoding="utf-8"?>
+<menu
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/action_password"
+        android:icon="@drawable/ic_check_white_24dp"
+        android:title="@string/action_confirm_password" />
+</menu>
\ No newline at end of file