diff options
Diffstat (limited to 'app/src/main/java')
| -rw-r--r-- | app/src/main/java/com/beam_messenger/beam_messenger/LoginActivity.kt | 300 | ||||
| -rw-r--r-- | app/src/main/java/com/beam_messenger/beam_messenger/MainActivity.kt | 121 |
2 files changed, 0 insertions, 421 deletions
diff --git a/app/src/main/java/com/beam_messenger/beam_messenger/LoginActivity.kt b/app/src/main/java/com/beam_messenger/beam_messenger/LoginActivity.kt deleted file mode 100644 index 4572134..0000000 --- a/app/src/main/java/com/beam_messenger/beam_messenger/LoginActivity.kt +++ /dev/null @@ -1,300 +0,0 @@ -package com.beam_messenger.beam_messenger - -import android.Manifest.permission.READ_CONTACTS -import android.animation.Animator -import android.animation.AnimatorListenerAdapter -import android.annotation.TargetApi -import android.app.LoaderManager.LoaderCallbacks -import android.content.CursorLoader -import android.content.Intent -import android.content.Loader -import android.content.pm.PackageManager -import android.database.Cursor -import android.net.Uri -import android.os.AsyncTask -import android.os.Build -import android.os.Bundle -import android.provider.ContactsContract -import android.support.design.widget.Snackbar -import android.support.v7.app.AppCompatActivity -import android.text.TextUtils -import android.view.Gravity -import android.view.View -import android.view.inputmethod.EditorInfo -import android.widget.ArrayAdapter -import android.widget.TextView -import android.widget.Toast -import kotlinx.android.synthetic.main.activity_login.* -import java.util.* - -/** - * A login screen that offers login via email/password. - */ -class LoginActivity : AppCompatActivity(), LoaderCallbacks<Cursor> { - /** - * Keep track of the login task to ensure we can cancel it if requested. - */ - private var mAuthTask: UserLoginTask? = null - - override fun onCreate(savedInstanceState: Bundle?) { - super.onCreate(savedInstanceState) - setContentView(R.layout.activity_login) - // Set up the login form. - populateAutoComplete() - password.setOnEditorActionListener(TextView.OnEditorActionListener { _, id, _ -> - if (id == EditorInfo.IME_ACTION_DONE || id == EditorInfo.IME_NULL) { - attemptLogin() - return@OnEditorActionListener true - } - false - }) - - email_sign_in_button.setOnClickListener { attemptLogin() } - } - - private fun populateAutoComplete() { - if (!mayRequestContacts()) { - return - } - - loaderManager.initLoader(0, null, this) - } - - private fun mayRequestContacts(): Boolean { - if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) { - return true - } - if (checkSelfPermission(READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) { - return true - } - if (shouldShowRequestPermissionRationale(READ_CONTACTS)) { - Snackbar.make(email, R.string.permission_rationale, Snackbar.LENGTH_INDEFINITE) - .setAction(android.R.string.ok, - { requestPermissions(arrayOf(READ_CONTACTS), REQUEST_READ_CONTACTS) }) - } else { - requestPermissions(arrayOf(READ_CONTACTS), REQUEST_READ_CONTACTS) - } - return false - } - - /** - * Callback received when a permissions request has been completed. - */ - override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, - grantResults: IntArray) { - if (requestCode == REQUEST_READ_CONTACTS) { - if (grantResults.size == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { - populateAutoComplete() - } - } - } - - - /** - * Attempts to sign in or register the account specified by the login form. - * If there are form errors (invalid email, missing fields, etc.), the - * errors are presented and no actual login attempt is made. - */ - private fun attemptLogin() { - if (mAuthTask != null) { - return - } - - // Reset errors. - email.error = null - password.error = null - - // Store values at the time of the login attempt. - val emailStr = email.text.toString() - val passwordStr = password.text.toString() - - var cancel = false - var focusView: View? = null - - // Check for a valid password, if the user entered one. - if (!TextUtils.isEmpty(passwordStr) && !isPasswordValid(passwordStr)) { - password.error = getString(R.string.error_invalid_password) - focusView = password - cancel = true - } - - // Check for a valid email address. - if (TextUtils.isEmpty(emailStr)) { - email.error = getString(R.string.error_field_required) - focusView = email - cancel = true - } else if (!isEmailValid(emailStr)) { - email.error = getString(R.string.error_invalid_email) - focusView = email - cancel = true - } - - if (cancel) { - // There was an error; don't attempt login and focus the first - // form field with an error. - focusView?.requestFocus() - } else { - // Show a progress spinner, and kick off a background task to - // perform the user login attempt. - showProgress(true) - mAuthTask = UserLoginTask(emailStr, passwordStr) - mAuthTask!!.execute(null as Void?) - } - } - - private fun isEmailValid(email: String): Boolean { - return email.contains("@") && email.length >= 4 - } - - private fun isPasswordValid(password: String): Boolean { - return password.length >= 8 - } - - /** - * Shows the progress UI and hides the login form. - */ - @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2) - private fun showProgress(show: Boolean) { - // On Honeycomb MR2 we have the ViewPropertyAnimator APIs, which allow - // for very easy animations. If available, use these APIs to fade-in - // the progress spinner. - if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) { - val shortAnimTime = resources.getInteger(android.R.integer.config_shortAnimTime).toLong() - - login_form.visibility = if (show) View.GONE else View.VISIBLE - login_form.animate() - .setDuration(shortAnimTime) - .alpha((if (show) 0 else 1).toFloat()) - .setListener(object : AnimatorListenerAdapter() { - override fun onAnimationEnd(animation: Animator) { - login_form.visibility = if (show) View.GONE else View.VISIBLE - } - }) - - login_progress.visibility = if (show) View.VISIBLE else View.GONE - login_progress.animate() - .setDuration(shortAnimTime) - .alpha((if (show) 1 else 0).toFloat()) - .setListener(object : AnimatorListenerAdapter() { - override fun onAnimationEnd(animation: Animator) { - login_progress.visibility = if (show) View.VISIBLE else View.GONE - } - }) - } else { - // The ViewPropertyAnimator APIs are not available, so simply show - // and hide the relevant UI components. - login_progress.visibility = if (show) View.VISIBLE else View.GONE - login_form.visibility = if (show) View.GONE else View.VISIBLE - } - } - - override fun onCreateLoader(i: Int, bundle: Bundle?): Loader<Cursor> { - return CursorLoader(this, - // Retrieve data rows for the device user's 'profile' contact. - Uri.withAppendedPath(ContactsContract.Profile.CONTENT_URI, - ContactsContract.Contacts.Data.CONTENT_DIRECTORY), ProfileQuery.PROJECTION, - - // Select only email addresses. - ContactsContract.Contacts.Data.MIMETYPE + " = ?", arrayOf(ContactsContract.CommonDataKinds.Email - .CONTENT_ITEM_TYPE), - - // Show primary email addresses first. Note that there won't be - // a primary email address if the user hasn't specified one. - ContactsContract.Contacts.Data.IS_PRIMARY + " DESC") - } - - override fun onLoadFinished(cursorLoader: Loader<Cursor>, cursor: Cursor) { - val emails = ArrayList<String>() - cursor.moveToFirst() - while (!cursor.isAfterLast) { - emails.add(cursor.getString(ProfileQuery.ADDRESS)) - cursor.moveToNext() - } - - addEmailsToAutoComplete(emails) - } - - override fun onLoaderReset(cursorLoader: Loader<Cursor>) { - - } - - private fun addEmailsToAutoComplete(emailAddressCollection: List<String>) { - //Create adapter to tell the AutoCompleteTextView what to show in its dropdown list. - val adapter = ArrayAdapter(this@LoginActivity, - android.R.layout.simple_dropdown_item_1line, emailAddressCollection) - - email.setAdapter(adapter) - } - - object ProfileQuery { - val PROJECTION = arrayOf( - ContactsContract.CommonDataKinds.Email.ADDRESS, - ContactsContract.CommonDataKinds.Email.IS_PRIMARY) - val ADDRESS = 0 - val IS_PRIMARY = 1 - } - - /** - * Represents an asynchronous login/registration task used to authenticate - * the user. - */ - inner class UserLoginTask internal constructor(private val mEmail: String, private val mPassword: String) : AsyncTask<Void, Void, Boolean>() { - - override fun doInBackground(vararg params: Void): Boolean? { - // TODO: attempt authentication against a network service. - - try { - // Simulate network access. - Thread.sleep(1000) - } catch (e: InterruptedException) { - return false - } - - return DUMMY_CREDENTIALS - .map { it.split(":") } - .firstOrNull { it[0] == mEmail } - ?.let { - // Account exists, return true if the password matches. - it[1] == mPassword - } - ?: true - } - - override fun onPostExecute(success: Boolean?) { - mAuthTask = null - showProgress(false) - - if (success!!) { - val toast = Toast.makeText(this@LoginActivity, "Successfully logged in.", Toast.LENGTH_LONG) - toast.setGravity(Gravity.CENTER, 0, 0) - toast.show() - - val intent = Intent(this@LoginActivity, MainActivity::class.java) - //intent.putExtra("keyIdentifier", value) - startActivity(intent) - } else { - password.error = getString(R.string.error_incorrect_password) - password.requestFocus() - } - } - - override fun onCancelled() { - mAuthTask = null - showProgress(false) - } - } - - companion object { - - /** - * Id to identity READ_CONTACTS permission request. - */ - private val REQUEST_READ_CONTACTS = 0 - - /** - * A dummy authentication store containing known user names and passwords. - * TODO: remove after connecting to a real authentication system. - */ - private val DUMMY_CREDENTIALS = arrayOf("foo@example.com:password", "bar@example.com:helloworld") - } -} diff --git a/app/src/main/java/com/beam_messenger/beam_messenger/MainActivity.kt b/app/src/main/java/com/beam_messenger/beam_messenger/MainActivity.kt deleted file mode 100644 index e759854..0000000 --- a/app/src/main/java/com/beam_messenger/beam_messenger/MainActivity.kt +++ /dev/null @@ -1,121 +0,0 @@ -package com.beam_messenger.beam_messenger - -import android.content.Intent -import android.os.Bundle -import android.support.design.widget.TabLayout -import android.support.v4.app.Fragment -import android.support.v4.app.FragmentManager -import android.support.v4.app.FragmentPagerAdapter -import android.support.v7.app.AppCompatActivity -import android.view.* -import kotlinx.android.synthetic.main.activity_main.* -import kotlinx.android.synthetic.main.fragment_main.view.* - -class MainActivity : AppCompatActivity() { - - /** - * The [android.support.v4.view.PagerAdapter] that will provide - * fragments for each of the sections. We use a - * {@link FragmentPagerAdapter} derivative, which will keep every - * loaded fragment in memory. If this becomes too memory intensive, it - * may be best to switch to a - * [android.support.v4.app.FragmentStatePagerAdapter]. - */ - private var mSectionsPagerAdapter: SectionsPagerAdapter? = null - - override fun onCreate(savedInstanceState: Bundle?) { - super.onCreate(savedInstanceState) - setContentView(R.layout.activity_main) - - setSupportActionBar(toolbar) - // Create the adapter that will return a fragment for each of the three - // primary sections of the activity. - mSectionsPagerAdapter = SectionsPagerAdapter(supportFragmentManager) - - // Set up the ViewPager with the sections adapter. - container.adapter = mSectionsPagerAdapter - - container.addOnPageChangeListener(TabLayout.TabLayoutOnPageChangeListener(tabs)) - tabs.addOnTabSelectedListener(TabLayout.ViewPagerOnTabSelectedListener(container)) - - fab.setOnClickListener { view -> - val intent = Intent(this@MainActivity, LoginActivity::class.java) - startActivity(intent) - /*Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG) - .setAction("Action", null).show()*/ - } - } - - - override fun onCreateOptionsMenu(menu: Menu): Boolean { - // Inflate the menu; this adds items to the action bar if it is present. - menuInflater.inflate(R.menu.menu_main, menu) - return true - } - - override fun onOptionsItemSelected(item: MenuItem): Boolean { - // Handle action bar item clicks here. The action bar will - // automatically handle clicks on the Home/Up button, so long - // as you specify a parent activity in AndroidManifest.xml. - val id = item.itemId - - if (id == R.id.action_settings) { - val intent = Intent(this@MainActivity, LoginActivity::class.java) - startActivity(intent) - } - - return super.onOptionsItemSelected(item) - } - - - /** - * A [FragmentPagerAdapter] that returns a fragment corresponding to - * one of the sections/tabs/pages. - */ - inner class SectionsPagerAdapter(fm: FragmentManager) : FragmentPagerAdapter(fm) { - - override fun getItem(position: Int): Fragment { - // getItem is called to instantiate the fragment for the given page. - // Return a PlaceholderFragment (defined as a static inner class below). - return PlaceholderFragment.newInstance(position + 1) - } - - override fun getCount(): Int { - // Show 3 total pages. - return 3 - } - } - - /** - * A placeholder fragment containing a simple view. - */ - class PlaceholderFragment : Fragment() { - - override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, - savedInstanceState: Bundle?): View? { - val rootView = inflater.inflate(R.layout.fragment_main, container, false) - rootView.section_label.text = getString(R.string.section_format, arguments?.getInt(ARG_SECTION_NUMBER)) - return rootView - } - - companion object { - /** - * The fragment argument representing the section number for this - * fragment. - */ - private val ARG_SECTION_NUMBER = "section_number" - - /** - * Returns a new instance of this fragment for the given section - * number. - */ - fun newInstance(sectionNumber: Int): PlaceholderFragment { - val fragment = PlaceholderFragment() - val args = Bundle() - args.putInt(ARG_SECTION_NUMBER, sectionNumber) - fragment.arguments = args - return fragment - } - } - } -} |