Clean up some unused imports (#2348)

appinventor/aimerger/src/edu/mills/feeney/thesis/aimerger/AIMerger.java

 package edu.mills.feeney.thesis.aimerger;
 
-import java.nio.file.*;
 import java.awt.Color;
 import java.awt.Container;
 import java.awt.Dimension;
@@ -9,20 +8,17 @@ import java.awt.Point;
 import java.awt.Toolkit;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
-import java.awt.image.BufferedImage;
 import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 import java.util.zip.ZipOutputStream;
 
-import javax.imageio.ImageIO;
 import javax.swing.Box;
 import javax.swing.BoxLayout;
 import javax.swing.ImageIcon;

appinventor/aimerger_for_appinv_classic/src/edu/mills/feeney/thesis/aimerger/AIMerger.java

@@ -8,20 +8,17 @@ import java.awt.Point;
 import java.awt.Toolkit;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
-import java.awt.image.BufferedImage;
 import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 import java.util.zip.ZipOutputStream;
 
-import javax.imageio.ImageIO;
 import javax.swing.Box;
 import javax.swing.BoxLayout;
 import javax.swing.ImageIcon;

appinventor/appengine/src/com/google/appinventor/client/AdminUserList.java

@@ -7,12 +7,8 @@ package com.google.appinventor.client;
 import static com.google.appinventor.client.Ode.MESSAGES;
 import com.google.appinventor.client.admin.AdminComparators;
 import com.google.appinventor.client.output.OdeLog;
-import com.google.gwt.event.dom.client.ClickEvent;
-import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.event.dom.client.MouseDownEvent;
 import com.google.gwt.event.dom.client.MouseDownHandler;
-import com.google.gwt.event.logical.shared.ValueChangeEvent;
-import com.google.gwt.event.logical.shared.ValueChangeHandler;
 import com.google.gwt.i18n.client.DateTimeFormat;
 import com.google.gwt.user.client.ui.Button;
 import com.google.gwt.user.client.ui.CheckBox;
@@ -37,9 +33,7 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.Date;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 
 /**
  * A list of User elements used in the Admin interface

appinventor/appengine/src/com/google/appinventor/client/Ode.java

@@ -127,11 +127,9 @@ import com.google.gwt.user.client.ui.Image;
 import com.google.gwt.user.client.ui.Label;
 import com.google.gwt.user.client.ui.PushButton;
 import com.google.gwt.user.client.ui.RootPanel;
-import com.google.gwt.user.client.ui.TextBox;
 import com.google.gwt.user.client.ui.VerticalPanel;
 import com.google.gwt.user.client.ui.Widget;
 
-import java.util.Date;
 import java.util.Random;
 
 /**

appinventor/appengine/src/com/google/appinventor/client/TopPanel.java

@@ -32,19 +32,12 @@ import com.google.gwt.resources.client.ClientBundle;
 import com.google.gwt.resources.client.TextResource;
 import com.google.gwt.user.client.Command;
 import com.google.gwt.user.client.Window;
-import com.google.gwt.user.client.ui.Button;
 import com.google.gwt.user.client.ui.Composite;
-import com.google.gwt.user.client.ui.FlowPanel;
 import com.google.gwt.user.client.ui.HorizontalPanel;
 import com.google.gwt.user.client.ui.Image;
 import com.google.gwt.user.client.ui.Label;
-import com.google.gwt.user.client.ui.PopupPanel;
-import com.google.gwt.user.client.ui.ScrollPanel;
 import com.google.gwt.user.client.ui.VerticalPanel;
 
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.Date;
 import java.util.List;
 import java.util.MissingResourceException;
 

appinventor/appengine/src/com/google/appinventor/client/boxes/ViewerBox.java

@@ -12,7 +12,6 @@ import com.google.appinventor.client.editor.ProjectEditor;
 import com.google.appinventor.client.output.OdeLog;
 import com.google.appinventor.client.widgets.boxes.Box;
 import com.google.appinventor.shared.rpc.project.ProjectRootNode;
-import com.google.gwt.user.client.Window;
 
 /**
  * Implementation for a box that can hold multiple viewers (including editors).

appinventor/appengine/src/com/google/appinventor/client/editor/simple/components/MockCloudDB.java

@@ -9,9 +9,6 @@ import com.google.appinventor.client.DesignToolbar;
 import com.google.appinventor.client.Ode;
 import com.google.appinventor.client.OdeAsyncCallback;
 import com.google.appinventor.client.editor.simple.SimpleEditor;
-
-import com.google.appinventor.client.output.OdeLog;
-
 import com.google.appinventor.client.widgets.properties.EditableProperty;
 
 import com.google.gwt.user.client.ui.Image;

appinventor/appengine/src/com/google/appinventor/client/editor/simple/components/MockWebViewer.java

@@ -12,9 +12,6 @@ import com.google.appinventor.shared.settings.SettingsConstants;
 import com.google.gwt.user.client.ui.Image;
 import com.google.gwt.user.client.ui.SimplePanel;
 
-import java.util.ArrayList;
-
-import com.google.appinventor.client.output.OdeLog;
 
 /**
  * Mock WebViewer component.

appinventor/appengine/src/com/google/appinventor/client/editor/youngandroid/properties/YoungAndroidDefaultURLPropertyEditor.java

@@ -14,7 +14,6 @@ import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.event.logical.shared.ValueChangeEvent;
 import com.google.gwt.event.logical.shared.ValueChangeHandler;
 import com.google.gwt.user.client.ui.CheckBox;
-import com.google.gwt.user.client.ui.HorizontalPanel;
 import com.google.gwt.user.client.ui.Panel;
 import com.google.gwt.user.client.ui.TextBox;
 import com.google.gwt.user.client.ui.VerticalPanel;

appinventor/appengine/src/com/google/appinventor/client/explorer/commands/WarningDialogCommand.java

@@ -5,11 +5,7 @@
 
 package com.google.appinventor.client.explorer.commands;
 
-import com.google.appinventor.client.Ode;
-import com.google.appinventor.client.editor.youngandroid.BlocklyPanel;
-import com.google.appinventor.client.output.OdeLog;
 import com.google.appinventor.shared.rpc.project.ProjectNode;
-import com.google.gwt.core.client.GWT;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.user.client.ui.Button;

appinventor/appengine/src/com/google/appinventor/client/properties/Properties.java

@@ -7,8 +7,6 @@
 package com.google.appinventor.client.properties;
 
 import com.google.appinventor.client.output.OdeLog;
-import com.google.appinventor.client.widgets.properties.EditableProperty;
-import com.google.appinventor.client.widgets.properties.PropertyEditor;
 import com.google.appinventor.shared.properties.json.JSONObject;
 import com.google.appinventor.shared.properties.json.JSONValue;
 

appinventor/appengine/src/com/google/appinventor/client/widgets/Toolbar.java

@@ -11,11 +11,7 @@ import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.user.client.Command;
 import com.google.gwt.user.client.ui.Composite;
 import com.google.gwt.user.client.ui.HorizontalPanel;
-import com.google.gwt.user.client.ui.MenuItem;
-import com.google.gwt.user.client.ui.PopupPanel;
-import com.google.gwt.user.client.ui.Widget;
 
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;

appinventor/appengine/src/com/google/appinventor/client/wizards/ComponentImportWizard.java

@@ -8,13 +8,10 @@ package com.google.appinventor.client.wizards;
 
 import static com.google.appinventor.client.Ode.MESSAGES;
 
-import com.allen_sauer.gwt.dnd.client.util.StringUtil;
 import com.google.appinventor.client.Ode;
 import com.google.appinventor.client.OdeAsyncCallback;
-import com.google.appinventor.client.editor.simple.SimpleComponentDatabase;
 import com.google.appinventor.client.editor.youngandroid.YaProjectEditor;
 import com.google.appinventor.client.explorer.project.Project;
-import com.google.appinventor.client.output.OdeLog;
 import com.google.appinventor.common.utils.StringUtils;
 import com.google.appinventor.client.utils.Uploader;
 import com.google.appinventor.shared.rpc.ServerLayout;

appinventor/appengine/src/com/google/appinventor/client/wizards/ComponentUploadWizard.java

@@ -8,9 +8,7 @@ package com.google.appinventor.client.wizards;
 
 import com.google.appinventor.client.ErrorReporter;
 import static com.google.appinventor.client.Ode.MESSAGES;
-import com.google.appinventor.client.Ode;
 import com.google.appinventor.client.OdeAsyncCallback;
-import com.google.appinventor.client.output.OdeLog;
 import com.google.appinventor.client.utils.Uploader;
 import com.google.appinventor.shared.rpc.ServerLayout;
 import com.google.appinventor.shared.rpc.UploadResponse;

appinventor/appengine/src/com/google/appinventor/client/wizards/DownloadUserSourceWizard.java

@@ -15,7 +15,6 @@ import com.google.gwt.event.dom.client.KeyCodes;
 import com.google.gwt.event.dom.client.KeyUpEvent;
 import com.google.gwt.event.dom.client.KeyUpHandler;
 import com.google.gwt.user.client.Command;
-import com.google.gwt.user.client.DeferredCommand;
 import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.ui.VerticalPanel;
 

appinventor/appengine/src/com/google/appinventor/client/wizards/InputTemplateUrlWizard.java

@@ -8,15 +8,12 @@ package com.google.appinventor.client.wizards;
 
 import static com.google.appinventor.client.Ode.MESSAGES;
 import com.google.appinventor.client.widgets.LabeledTextBox;
-import com.google.gwt.event.dom.client.ClickEvent;
-import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.event.dom.client.KeyCodes;
 import com.google.gwt.event.dom.client.KeyUpEvent;
 import com.google.gwt.event.dom.client.KeyUpHandler;
 import com.google.gwt.user.client.Command;
 import com.google.gwt.user.client.DeferredCommand;
 import com.google.gwt.user.client.Window;
-import com.google.gwt.user.client.ui.Button;
 import com.google.gwt.user.client.ui.HorizontalPanel;
 import com.google.gwt.user.client.ui.VerticalPanel;
 

appinventor/appengine/src/com/google/appinventor/client/wizards/youngandroid/NewYoungAndroidProjectWizard.java

@@ -6,7 +6,6 @@
 
 package com.google.appinventor.client.wizards.youngandroid;
 
-import java.util.regex.Pattern;
 
 import com.google.appinventor.client.Ode;
 
@@ -22,7 +21,6 @@ import com.google.appinventor.client.youngandroid.TextValidators;
 import com.google.appinventor.common.utils.StringUtils;
 import com.google.appinventor.shared.rpc.project.youngandroid.NewYoungAndroidProjectParameters;
 import com.google.appinventor.shared.rpc.project.youngandroid.YoungAndroidProjectNode;
-import com.google.appinventor.client.youngandroid.TextValidators;
 import com.google.gwt.core.client.Scheduler;
 import com.google.gwt.event.dom.client.KeyCodes;
 import com.google.gwt.event.dom.client.KeyDownEvent;

appinventor/appengine/src/com/google/appinventor/server/AdminInfoServiceImpl.java

@@ -7,7 +7,6 @@ package com.google.appinventor.server;
 
 import java.security.NoSuchAlgorithmException;
 import java.security.spec.InvalidKeySpecException;
-import java.util.ArrayList;
 import java.util.List;
 
 import javax.servlet.http.Cookie;

appinventor/appengine/src/com/google/appinventor/server/FileExporterImpl.java

@@ -6,7 +6,6 @@
 
 package com.google.appinventor.server;
 
-import com.google.common.base.Strings;
 import com.google.appinventor.server.storage.StorageIo;
 import com.google.appinventor.server.storage.StorageIoInstanceHolder;
 import com.google.appinventor.shared.rpc.project.ProjectSourceZip;

appinventor/appengine/src/com/google/appinventor/server/LoginServlet.java

@@ -35,7 +35,6 @@ import java.security.spec.InvalidKeySpecException;
 
 import java.util.HashMap;
 import java.util.Locale;
-import java.util.Map;
 import java.util.ResourceBundle;
 import java.util.logging.Logger;
 

appinventor/appengine/src/com/google/appinventor/server/Whitelist.java

@@ -16,12 +16,9 @@ import com.google.common.base.Preconditions;
 
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
-import java.io.IOException;
 import java.util.HashSet;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
-import java.util.logging.Level;
 import java.util.logging.Logger;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;

appinventor/appengine/src/com/google/appinventor/server/project/youngandroid/YoungAndroidProjectService.java

@@ -68,7 +68,6 @@ import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
-import java.io.OutputStreamWriter;
 import java.io.StringReader;
 import java.io.UnsupportedEncodingException;
 import java.net.ConnectException;
@@ -76,7 +75,6 @@ import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLEncoder;
-import java.text.DecimalFormat;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;