Allow copying node ID to clipboard in Drawer and node settings (closes #53).

src/main/java/com/nutomic/syncthingandroid/gui/LocalNodeInfoFragment.java

@@ -1,15 +1,21 @@
 package com.nutomic.syncthingandroid.gui;
 
+import android.annotation.TargetApi;
 import android.app.Activity;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
 import android.os.Bundle;
 import android.support.v4.app.ActionBarDrawerToggle;
 import android.support.v4.app.Fragment;
 import android.support.v4.widget.DrawerLayout;
 import android.view.LayoutInflater;
 import android.view.MenuItem;
+import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import com.nutomic.syncthingandroid.R;
 import com.nutomic.syncthingandroid.syncthing.RestApi;
@@ -136,6 +142,14 @@ public class LocalNodeInfoFragment extends Fragment
 			return;
 
 		mNodeId.setText(info.myID);
+		mNodeId.setOnTouchListener(new View.OnTouchListener() {
+			@Override
+			public boolean onTouch(View view, MotionEvent motionEvent) {
+				mActivity.getApi().copyNodeId(mNodeId.getText().toString());
+				view.performClick();
+				return true;
+			}
+		});
 		mCpuUsage.setText(new  DecimalFormat("0.00").format(info.cpuPercent) + "%");
 		mRamUsage.setText(RestApi.readableFileSize(mActivity, info.sys));
 		if (info.extAnnounceOK) {

src/main/java/com/nutomic/syncthingandroid/gui/NodeSettingsActivity.java

@@ -56,7 +56,7 @@ public class NodeSettingsActivity extends PreferenceActivity implements
 
 	private RestApi.Node mNode;
 
-	private EditTextPreference mNodeId;
+	private Preference mNodeId;
 
 	private EditTextPreference mName;
 
@@ -70,7 +70,6 @@ public class NodeSettingsActivity extends PreferenceActivity implements
 
 	@Override
 	@SuppressLint("AppCompatMethod")
-	@TargetApi(11)
 	protected void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 
@@ -85,7 +84,7 @@ public class NodeSettingsActivity extends PreferenceActivity implements
 			addPreferencesFromResource(R.xml.node_settings_edit);
 		}
 
-		mNodeId = (EditTextPreference) findPreference("node_id");
+		mNodeId = findPreference("node_id");
 		mNodeId.setOnPreferenceChangeListener(this);
 		mName = (EditTextPreference) findPreference("name");
 		mName.setOnPreferenceChangeListener(this);
@@ -117,6 +116,7 @@ public class NodeSettingsActivity extends PreferenceActivity implements
 			mNode.Name = "";
 			mNode.NodeID = "";
 			mNode.Addresses = "dynamic";
+			((EditTextPreference) mNodeId).setText(mNode.NodeID);
 		}
 		else if (getIntent().getAction().equals(ACTION_EDIT)) {
 			setTitle(R.string.edit_node);
@@ -127,10 +127,10 @@ public class NodeSettingsActivity extends PreferenceActivity implements
 					break;
 				}
 			}
+			mNodeId.setOnPreferenceClickListener(this);
 		}
 		mSyncthingService.getApi().getConnections(NodeSettingsActivity.this);
 
-		mNodeId.setText(mNode.NodeID);
 		mNodeId.setSummary(mNode.NodeID);
 		mName.setText((mNode.Name));
 		mName.setSummary(mNode.Name);
@@ -224,6 +224,10 @@ public class NodeSettingsActivity extends PreferenceActivity implements
 					.show();
 			return true;
 		}
+		else if (preference.equals(mNodeId)) {
+			mSyncthingService.getApi().copyNodeId(mNode.NodeID);
+			return true;
+		}
 		return false;
 	}
 

src/main/java/com/nutomic/syncthingandroid/syncthing/RestApi.java

@@ -1,15 +1,19 @@
 package com.nutomic.syncthingandroid.syncthing;
 
+import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
+import android.content.ClipData;
+import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.support.v4.app.NotificationCompat;
 import android.util.Log;
+import android.widget.Toast;
 
 import com.nutomic.syncthingandroid.R;
 
@@ -729,4 +733,26 @@ public class RestApi implements SyncthingService.OnWebGuiAvailableListener {
 				shareIntent, activity.getString(R.string.send_node_id_to)));
 	}
 
+	/**
+	 * Copies the given node ID to the clipboard (and shows a Toast telling about it).
+	 *
+	 * @param id The node ID to copy.
+	 */
+	@TargetApi(11)
+	public void copyNodeId(String id) {
+		int sdk = android.os.Build.VERSION.SDK_INT;
+		if(sdk < android.os.Build.VERSION_CODES.HONEYCOMB) {
+			android.text.ClipboardManager clipboard = (android.text.ClipboardManager)
+					mSyncthingService.getSystemService(Context.CLIPBOARD_SERVICE);
+			clipboard.setText(id);
+		} else {
+			ClipboardManager clipboard = (ClipboardManager)
+					mSyncthingService.getSystemService(Context.CLIPBOARD_SERVICE);
+			ClipData clip =	ClipData.newPlainText(mSyncthingService.getString(R.string.node_id), id);
+			clipboard.setPrimaryClip(clip);
+		}
+		Toast.makeText(mSyncthingService, R.string.node_id_copied_to_clipboard, Toast.LENGTH_SHORT)
+				.show();
+	}
+
 }

src/main/res/values/strings.xml

@@ -223,6 +223,9 @@ Please report any problems you encounter.</string>
 	<!-- Text for the dismiss button of the restart Activity -->
 	<string name="restart_later">Restart Later</string>
 
+	<!-- Shown when a node ID is copied to the clipboard -->
+	<string name="node_id_copied_to_clipboard">Node ID copied to clipboard</string>
+
 	<!-- Strings representing units for file sizes, from smallest to largest -->
 	<string-array name="file_size_units">
 		<item>B</item>

src/main/res/xml/node_settings_edit.xml

@@ -2,11 +2,9 @@
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
 		android:persistent="false" >
 
-	<EditTextPreference
+	<Preference
 			android:key="node_id"
-			android:title="@string/node_id"
+			android:title="@string/node_id"/>
-			android:enabled="false"
-			style="?android:preferenceInformationStyle" />
 
 	<EditTextPreference
 			android:key="name"