Add two more navigation menu entries.
[PrivacyCell.git] / app / src / main / java / com / stoutner / privacycell / activities / PrivacyCell.kt
index c8c77120a244e072a0fa8535c280ba29cc6a3d11..964854687d7610f47863488a91bab640d40ab5ac 100644 (file)
@@ -27,40 +27,53 @@ import android.telephony.PhoneStateListener
 import android.telephony.ServiceState
 import android.telephony.TelephonyDisplayInfo
 import android.telephony.TelephonyManager
+import android.view.MenuItem
+import android.view.View
 import android.widget.ImageView
 import android.widget.TextView
 
+import androidx.appcompat.app.ActionBar
+import androidx.appcompat.app.ActionBarDrawerToggle
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.content.res.AppCompatResources
+import androidx.appcompat.widget.Toolbar
 import androidx.core.app.ActivityCompat
-import androidx.fragment.app.DialogFragment
+import androidx.core.view.GravityCompat
+import androidx.drawerlayout.widget.DrawerLayout
+
+import com.google.android.material.navigation.NavigationView
 
 import com.stoutner.privacycell.R
 import com.stoutner.privacycell.dialogs.PhonePermissionDialog
+import com.stoutner.privacycell.dialogs.WebViewDialog
 
-class PrivacyCell : AppCompatActivity(), PhonePermissionDialog.StoragePermissionDialogListener {
+class PrivacyCell : AppCompatActivity(), NavigationView.OnNavigationItemSelectedListener, PhonePermissionDialog.StoragePermissionDialogListener {
     // Declare the class variables.
     private lateinit var context: Context
     private lateinit var telephonyManager: TelephonyManager
+    private lateinit var actionBarDrawerToggle: ActionBarDrawerToggle
 
     // Declare the views.
-    lateinit var secureFromStingrayImageView: ImageView
-    lateinit var secureFromStingrayTextView: TextView
-    lateinit var voiceNetworkTextView: TextView
-    lateinit var voiceNetworkDetailsTextView: TextView
-    lateinit var dataNetworkTextView: TextView
-    lateinit var dataNetworkDetailsTextView: TextView
-    lateinit var additionalNetworkInfoTextView: TextView
-    lateinit var additionalNetworkInfoDetailsTextView: TextView
+    private lateinit var drawerLayout: DrawerLayout
+    private lateinit var secureFromStingrayImageView: ImageView
+    private lateinit var secureFromStingrayTextView: TextView
+    private lateinit var voiceNetworkTextView: TextView
+    private lateinit var voiceNetworkDetailsTextView: TextView
+    private lateinit var dataNetworkTextView: TextView
+    private lateinit var dataNetworkDetailsTextView: TextView
+    private lateinit var additionalNetworkInfoTextView: TextView
+    private lateinit var additionalNetworkInfoDetailsTextView: TextView
 
     override fun onCreate(savedInstanceState: Bundle?) {
         // Run the default commands.
         super.onCreate(savedInstanceState)
 
         // Set the content view.
-        setContentView(R.layout.privacy_cell_scrollview)
+        setContentView(R.layout.privacy_cell_drawerlayout)
 
         // Get handles for the views.
+        drawerLayout = findViewById(R.id.drawerlayout)
+        val toolbar = findViewById<Toolbar>(R.id.toolbar)
         secureFromStingrayImageView = findViewById(R.id.secure_from_stingray_imageview)
         secureFromStingrayTextView = findViewById(R.id.secure_from_stingray_textview)
         voiceNetworkTextView = findViewById(R.id.voice_network)
@@ -69,12 +82,64 @@ class PrivacyCell : AppCompatActivity(), PhonePermissionDialog.StoragePermission
         dataNetworkDetailsTextView = findViewById(R.id.data_network_details)
         additionalNetworkInfoTextView = findViewById(R.id.additional_network_info)
         additionalNetworkInfoDetailsTextView = findViewById(R.id.additional_network_info_details)
+        val navigationView = findViewById<NavigationView>(R.id.navigationview)
 
         // Get handles for the context and the telephony manager.
         context = this
         telephonyManager = getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager
 
-        // Check to see if the read phone state permission has been granted.
+        // Set the support action bar.
+        setSupportActionBar(toolbar)
+
+        // Get a handle for the action bar.
+        val actionBar = supportActionBar!!
+
+        // Set a custom view on the action bar.
+        actionBar.setCustomView(R.layout.app_bar_textview)
+
+        // Display the custom view.
+        actionBar.displayOptions = ActionBar.DISPLAY_SHOW_CUSTOM
+
+        // Define a hamburger icon at the start of the app bar.  It will be populated in `onPostCreate()`.
+        actionBarDrawerToggle = ActionBarDrawerToggle(this, drawerLayout, toolbar, R.string.open_navigation_drawer, R.string.close_navigation_drawer)
+
+        // Listen for touches on the navigation menu.
+        navigationView.setNavigationItemSelectedListener(this)
+
+        // Add a drawer listener.
+        drawerLayout.addDrawerListener(object : DrawerLayout.DrawerListener {
+            override fun onDrawerSlide(drawerView: View, slideOffset: Float) {
+                // Do nothing.
+            }
+
+            override fun onDrawerOpened(drawerView: View) {
+                // Do nothing.
+            }
+
+            override fun onDrawerClosed(drawerView: View) {
+                // Reset the drawer icon when the drawer is closed.  Otherwise, it is an arrow if the drawer is open when the app is restarted.
+                actionBarDrawerToggle.syncState()
+            }
+
+            override fun onDrawerStateChanged(newState: Int) {
+                // Do nothing.
+            }
+        })
+    }
+
+    override fun onPostCreate(savedInstanceState: Bundle?) {
+        // Run the default commands.
+        super.onPostCreate(savedInstanceState)
+
+        // Sync the state of the DrawerToggle after the default `onRestoreInstanceState()` has finished.  This creates the navigation drawer icon.
+        actionBarDrawerToggle.syncState()
+    }
+
+    override fun onResume() {
+        // Run the default commands.
+        super.onResume()
+
+        // Check to see if the read phone state permission has been granted.  These commands need to be run on every resume so that the listener gets reassigned as it is automatically paused.
         if (ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_PHONE_STATE) == PackageManager.PERMISSION_GRANTED) {  // The storage permission has been granted.
             // Populate Privacy Cell.
             populatePrivacyCell()
@@ -84,7 +149,7 @@ class PrivacyCell : AppCompatActivity(), PhonePermissionDialog.StoragePermission
                 // Check to see if a phone permission dialog is already displayed.  This happens if the app is restarted when the dialog is shown.
                 if (supportFragmentManager.findFragmentByTag(getString(R.string.phone_permission)) == null) {  // No dialog is currently shown.
                     // Instantiate the phone permission dialog fragment.
-                    val phonePermissionDialogFragment: DialogFragment = PhonePermissionDialog()
+                    val phonePermissionDialogFragment = PhonePermissionDialog()
 
                     // Show the phone permission alert dialog.  The permission will be requested when the dialog is closed.
                     phonePermissionDialogFragment.show(supportFragmentManager, getString(R.string.phone_permission))
@@ -96,6 +161,38 @@ class PrivacyCell : AppCompatActivity(), PhonePermissionDialog.StoragePermission
         }
     }
 
+    override fun onNavigationItemSelected(menuItem: MenuItem) : Boolean {
+        // Get the menu item ID.
+        val menuItemId = menuItem.itemId
+
+        // Run the commands that correspond to the selected menu item.
+        if (menuItemId == R.id.permissions) {  // Permissions.
+            // Instantiate the permissions dialog fragment.
+            val permissionsDialogFragment = WebViewDialog().type(WebViewDialog.PERMISSIONS)
+
+            // Show the permissions alert dialog.
+            permissionsDialogFragment.show(supportFragmentManager, getString(R.string.permissions))
+        } else if (menuItemId == R.id.privacy_policy) {  // Privacy Policy.
+            // Instantiate the privacy policy dialog fragment.
+            val privacyPolicyDialogFragment = WebViewDialog().type(WebViewDialog.PRIVACY_POLICY)
+
+            // Show the privacy policy alert dialog.
+            privacyPolicyDialogFragment.show(supportFragmentManager, getString(R.string.privacy_policy))
+        } else if (menuItemId == R.id.changelog) {  // Changelog.
+            // Instantiate the changelog dialog fragment.
+            val changelogDialogFragment = WebViewDialog().type(WebViewDialog.CHANGELOG)
+
+            // Show the changelog alert dialog.
+            changelogDialogFragment.show(supportFragmentManager, getString(R.string.changelog))
+        }
+
+        // Close the navigation drawer.
+        drawerLayout.closeDrawer(GravityCompat.START)
+
+        // Consume the click.
+        return true
+    }
+
     override fun onCloseStoragePermissionDialog() {
         // Request the read phone state permission.  There is only one permission request in the app, so it has a request code of 0.
         ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.READ_PHONE_STATE), 0)