1 files changed, 206 insertions, 0 deletions
diff --git a/tests/sketch/src/com/android/gesture/example/GestureEntry.java b/tests/sketch/src/com/android/gesture/example/GestureEntry.java
new file mode 100644
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+++ b/tests/sketch/src/com/android/gesture/example/GestureEntry.java
@@ -0,0 +1,206 @@
+/*
+ * Copyright (C) 2008-2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.gesture.example;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.graphics.Color;
+import android.os.Bundle;
+import android.os.Environment;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.MotionEvent;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.EditText;
+import android.widget.Spinner;
+import android.widget.AdapterView.OnItemSelectedListener;
+import android.gesture.Gesture;
+
+import android.gesture.GestureLibrary;
+import android.gesture.GestureOverlayView;
+import android.gesture.Prediction;
+
+import java.io.File;
+import java.util.ArrayList;
+
+public class GestureEntry extends Activity {
+
+    private static final String PARCEL_KEY = "gesture";
+
+    static final String GESTURE_FILE_NAME = Environment.getExternalStorageDirectory().getAbsolutePath()
+            + File.separator + "demo_library.gestures";
+
+    private static final int DIALOG_NEW_ENTRY = 1;
+
+    private static final int NEW_ID = Menu.FIRST;
+
+    private static final int VIEW_ID = Menu.FIRST + 1;
+
+    private GestureOverlayView mGesturePad;
+
+    private Spinner mRecognitionResult;
+
+    private GestureLibrary mGestureLibrary;
+
+    private boolean mChangedByRecognizer = false;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.demo);
+
+        // init the gesture library
+        mGestureLibrary = new GestureLibrary(GESTURE_FILE_NAME);
+        mGestureLibrary.load();
+
+        // create the spinner for showing the recognition results
+        // the spinner also allows a user to correct a prediction
+        mRecognitionResult = (Spinner) findViewById(R.id.spinner);
+        mRecognitionResult.setOnItemSelectedListener(new OnItemSelectedListener() {
+
+            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+                // correct the recognition result by adding the new example
+                if (!mChangedByRecognizer) {
+                    mGestureLibrary.addGesture(parent.getSelectedItem().toString(), mGesturePad
+                            .getCurrentGesture());
+                } else {
+                    mChangedByRecognizer = false;
+                }
+            }
+
+            public void onNothingSelected(AdapterView<?> parent) {
+
+            }
+
+        });
+
+        // create the area for drawing a gesture
+        mGesturePad = (GestureOverlayView) findViewById(R.id.drawingpad);
+        mGesturePad.setBackgroundColor(Color.BLACK);
+        mGesturePad.addOnGestureListener(new GestureOverlayView.OnGestureListener() {
+            public void onGestureEnded(GestureOverlayView overlay, MotionEvent event) {
+                recognize(overlay.getCurrentGesture());
+            }
+
+            public void onGesture(GestureOverlayView overlay, MotionEvent event) {
+            }
+
+            public void onGestureStarted(GestureOverlayView overlay, MotionEvent event) {
+                overlay.clear(false);
+            }
+        });
+
+        if (savedInstanceState != null) {
+            Gesture gesture = (Gesture) savedInstanceState.getParcelable(PARCEL_KEY);
+            if (gesture != null) {
+                mGesturePad.setCurrentGesture(gesture);
+            }
+        }
+    }
+
+    @Override
+    protected Dialog onCreateDialog(int id) {
+        LayoutInflater factory = LayoutInflater.from(this);
+        final View textEntryView = factory.inflate(R.layout.newgesture_dialog, null);
+        return new AlertDialog.Builder(GestureEntry.this).setTitle(
+                R.string.newgesture_text_entry).setView(textEntryView).setPositiveButton(
+                R.string.newgesture_dialog_ok, new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int whichButton) {
+                        EditText edittext = (EditText) ((AlertDialog) dialog)
+                                .findViewById(R.id.gesturename_edit);
+                        String text = edittext.getText().toString().trim();
+                        if (text.length() > 0) {
+                            mGestureLibrary.addGesture(text, mGesturePad.getCurrentGesture());
+                        }
+                    }
+                }).setNegativeButton(R.string.newgesture_dialog_cancel,
+                new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int whichButton) {
+                    }
+                }).create();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        super.onCreateOptionsMenu(menu);
+        menu.add(0, NEW_ID, 0, R.string.newgesture).setShortcut('0', 'n').setIcon(
+                android.R.drawable.ic_menu_add);
+        menu.add(0, VIEW_ID, 0, R.string.viewgesture).setShortcut('1', 'v').setIcon(
+                android.R.drawable.ic_menu_view);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case NEW_ID:
+                if (mGesturePad.getCurrentGesture() != null) {
+                    showDialog(DIALOG_NEW_ENTRY);
+                }
+                break;
+
+            case VIEW_ID:
+                startActivityForResult(new Intent(this, GestureLibViewer.class), VIEW_ID);
+                break;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        mGestureLibrary.load();
+        mGesturePad.clear(false);
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        mGestureLibrary.save();
+    }
+
+    @Override
+    protected void onPrepareDialog(int id, Dialog dialog) {
+        super.onPrepareDialog(id, dialog);
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        Gesture gesture = mGesturePad.getCurrentGesture();
+        if (gesture != null) {
+            outState.putParcelable(PARCEL_KEY, gesture);
+        }
+        mGestureLibrary.save();
+    }
+
+    private void recognize(Gesture gesture) {
+        mChangedByRecognizer = true;
+        ArrayList<Prediction> predictions = mGestureLibrary.recognize(gesture);
+        ArrayAdapter<Prediction> adapter = new ArrayAdapter<Prediction>(this,
+                android.R.layout.simple_spinner_item, predictions);
+        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        mRecognitionResult.setAdapter(adapter);
+    }
+
+}