change hostname (fixes #43) (#47)

treehouses · Mar 15, 2018 · 445994e · 445994e
1 parent 54c0622
commit 445994e
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diff --git a/app/src/main/java/io/treehouses/remote/BluetoothChatFragment.java b/app/src/main/java/io/treehouses/remote/BluetoothChatFragment.java
@@ -20,9 +20,12 @@
 
 import android.app.ActionBar;
 import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
 import android.app.ProgressDialog;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.graphics.Color;
 import android.os.Bundle;
@@ -32,6 +35,9 @@
 import android.support.annotation.Nullable;
 import android.support.v4.app.DialogFragment;
 import android.support.v4.app.FragmentActivity;
+import android.text.Editable;
+import android.text.InputType;
+import android.text.TextWatcher;
 import android.util.Log;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
@@ -84,6 +90,9 @@ public class BluetoothChatFragment extends android.support.v4.app.Fragment {
     private Button Tbutton;
     private Button Dbutton;
     private Button Vbutton;
+    private Button HNbutton;
+    private String hnInput;
+    private Boolean isValidInput;
 
     /**
      * Name of the connected device
@@ -175,6 +184,7 @@ public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
         Tbutton = (Button) view.findViewById(R.id.TB);
         Dbutton = (Button)view.findViewById(R.id.DB);
         Vbutton = (Button)view.findViewById(R.id.VB);
+        HNbutton = (Button)view.findViewById(R.id.HN);
     }
 
     /**
@@ -240,6 +250,14 @@ public void onClick(View view) {
                 sendMessage(v);
             }
         });
+
+        HNbutton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                showDialog();
+            }
+
+        });
         // Initialize the BluetoothChatService to perform bluetooth connections
         mChatService = new BluetoothChatService(getActivity(), mHandler);
 
@@ -260,6 +278,61 @@ public void onClick(View view) {
 
     }
 
+    /**
+     * This block is to create a dialog box for creating a new name for the PI device
+     * Sets the dialog button to be disabled if no text is in the EditText
+     */
+    private void showDialog() {
+        final EditText input = new EditText(getActivity());
+        final AlertDialog alertDialog = getAlertDialog(input);
+
+        alertDialog.getButton(alertDialog.BUTTON_POSITIVE).setClickable(false);
+        alertDialog.getButton(alertDialog.BUTTON_POSITIVE).setEnabled(false);
+
+        input.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            }
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+                if(s.length() > 0) {
+                    alertDialog.getButton(alertDialog.BUTTON_POSITIVE).setClickable(true);
+                    alertDialog.getButton(alertDialog.BUTTON_POSITIVE).setEnabled(true);
+                }else{
+                    alertDialog.getButton(alertDialog.BUTTON_POSITIVE).setClickable(false);
+                    alertDialog.getButton(alertDialog.BUTTON_POSITIVE).setEnabled(false);
+                }
+            }
+            @Override
+            public void afterTextChanged(Editable s) {
+            }
+        });
+    }
+
+    private AlertDialog getAlertDialog(final EditText input) {
+        return new AlertDialog.Builder(getActivity())
+                    .setTitle("Rename Hostname")
+                    .setMessage("Please enter new hostname")
+                    .setIcon(android.R.drawable.ic_dialog_info)
+                    .setView(input)
+                    .setPositiveButton("Change Hostname", new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            dialog.dismiss();
+                            hnInput = input.getText().toString();
+                            String h = "pirateship rename " + hnInput.toString();
+                            sendMessage(h);
+                        }
+                    })
+                    .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            dialog.cancel();
+                        }
+                    })
+                    .show();
+    }
+
     /**
      * Makes this device discoverable for 300 seconds (5 minutes).
      */

diff --git a/app/src/main/res/layout-large-land/fragment_bluetooth_chat.xml b/app/src/main/res/layout-large-land/fragment_bluetooth_chat.xml
@@ -99,6 +99,14 @@ limitations under the License.
                     android:text="@string/DockerButton"
                     android:textColor="@android:color/background_light" />
 
+                <Button
+                    android:id="@+id/HN"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:background="@android:color/holo_blue_dark"
+                    android:text="Rename Hostname"
+                    android:textColor="@android:color/background_light" />
+
             </LinearLayout>
         </ScrollView>
 

diff --git a/app/src/main/res/layout-large/fragment_bluetooth_chat.xml b/app/src/main/res/layout-large/fragment_bluetooth_chat.xml
@@ -98,6 +98,13 @@ limitations under the License.
                     android:background="@android:color/holo_blue_dark"
                     android:text="@string/DockerButton"
                     android:textColor="@android:color/background_light" />
+                <Button
+                    android:id="@+id/HN"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:background="@android:color/holo_blue_dark"
+                    android:text="Rename Hostname"
+                    android:textColor="@android:color/background_light" />
 
             </LinearLayout>
         </ScrollView>

diff --git a/app/src/main/res/layout-small-land/fragment_bluetooth_chat.xml b/app/src/main/res/layout-small-land/fragment_bluetooth_chat.xml
@@ -99,6 +99,14 @@ limitations under the License.
                     android:text="@string/DockerButton"
                     android:textColor="@android:color/background_light" />
 
+                <Button
+                    android:id="@+id/HN"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:background="@android:color/holo_blue_dark"
+                    android:text="Rename Hostname"
+                    android:textColor="@android:color/background_light" />
+
             </LinearLayout>
         </ScrollView>
 

diff --git a/app/src/main/res/layout-small/fragment_bluetooth_chat.xml b/app/src/main/res/layout-small/fragment_bluetooth_chat.xml
@@ -99,6 +99,14 @@ limitations under the License.
                     android:text="@string/DockerButton"
                     android:textColor="@android:color/background_light" />
 
+                <Button
+                    android:id="@+id/HN"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:background="@android:color/holo_blue_dark"
+                    android:text="Rename Hostname"
+                    android:textColor="@android:color/background_light" />
+
             </LinearLayout>
         </ScrollView>
 

diff --git a/app/src/main/res/layout-xlarge-land/fragment_bluetooth_chat.xml b/app/src/main/res/layout-xlarge-land/fragment_bluetooth_chat.xml
@@ -99,6 +99,14 @@ limitations under the License.
                     android:text="@string/DockerButton"
                     android:textColor="@android:color/background_light" />
 
+                <Button
+                    android:id="@+id/HN"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:background="@android:color/holo_blue_dark"
+                    android:text="Rename Hostname"
+                    android:textColor="@android:color/background_light" />
+
             </LinearLayout>
         </ScrollView>
 

diff --git a/app/src/main/res/layout-xlarge/fragment_bluetooth_chat.xml b/app/src/main/res/layout-xlarge/fragment_bluetooth_chat.xml
@@ -99,6 +99,14 @@ limitations under the License.
                     android:text="@string/DockerButton"
                     android:textColor="@android:color/background_light" />
 
+                <Button
+                    android:id="@+id/HN"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:background="@android:color/holo_blue_dark"
+                    android:text="Rename Hostname"
+                    android:textColor="@android:color/background_light" />
+
             </LinearLayout>
         </ScrollView>
 

diff --git a/app/src/main/res/layout/fragment_bluetooth_chat.xml b/app/src/main/res/layout/fragment_bluetooth_chat.xml
@@ -99,6 +99,14 @@
                     android:text="@string/DockerButton"
                     android:textColor="@android:color/background_light" />
 
+                <Button
+                    android:id="@+id/HN"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:background="@android:color/holo_blue_dark"
+                    android:text="Rename Hostname"
+                    android:textColor="@android:color/background_light" />
+
             </LinearLayout>
         </ScrollView>