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Add new application for the SDK to let developers build their own gestures

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libraries.
This commit is contained in:
Romain Guy
2009-07-09 19:05:32 -07:00
parent 30a06f4115
commit 89f0e50a4c
15 changed files with 3271 additions and 0 deletions
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apps/GestureBuilder/Android.mk Normal file
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#
# Copyright (C) 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.
#
LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SRC_FILES := $(call all-subdir-java-files)
LOCAL_PACKAGE_NAME := GestureBuilder
LOCAL_CERTIFICATE := platform
include $(BUILD_PACKAGE)

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<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright (C) 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.
-->
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.gesture.builder">
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<application>
<activity
android:name="GestureBuilderActivity"
android:label="@string/application_name"
android:icon="@drawable/ic_gesturebuilder">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<activity
android:name="CreateGestureActivity"
android:label="@string/label_create_gesture" />
</application>
</manifest>

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Copyright (c) 2005-2008, 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.
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.
Apache License
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"Work" shall mean the work of authorship, whether in Source or
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<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 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.
-->
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="6dip"
android:text="@string/prompt_gesture_name"
android:textAppearance="?android:attr/textAppearanceMedium" />
<EditText
android:id="@+id/gesture_name"
android:layout_width="0dip"
android:layout_weight="1.0"
android:layout_height="wrap_content"
android:maxLength="40"
android:singleLine="true" />
</LinearLayout>
<android.gesture.GestureOverlayView
android:id="@+id/gestures_overlay"
android:layout_width="fill_parent"
android:layout_height="0dip"
android:layout_weight="1.0"
android:gestureStrokeType="multiple" />
<LinearLayout
style="@android:style/ButtonBar"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
android:id="@+id/done"
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_weight="1"
android:enabled="false"
android:onClick="addGesture"
android:text="@string/button_done" />
<Button
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_weight="1"
android:onClick="cancelGesture"
android:text="@string/button_discard" />
</LinearLayout>
</LinearLayout>

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<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2008 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.
-->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:padding="20dip"
android:orientation="vertical">
<TextView
android:id="@+id/label"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="@string/gestures_rename_label"
android:gravity="left"
android:textAppearance="?android:attr/textAppearanceMedium" />
<EditText
android:id="@+id/name"
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:scrollHorizontally="true"
android:autoText="false"
android:capitalize="none"
android:gravity="fill_horizontal"
android:textAppearance="?android:attr/textAppearanceMedium" />
</LinearLayout>

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<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 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.
-->
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/text1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:minHeight="?android:attr/listPreferredItemHeight"
android:drawablePadding="12dip"
android:paddingLeft="6dip"
android:paddingRight="6dip"
android:ellipsize="marquee"
android:singleLine="true"
android:textAppearance="?android:attr/textAppearanceLarge" />

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<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 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.
-->
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<ListView
android:id="@android:id/list"
android:layout_width="fill_parent"
android:layout_height="0dip"
android:layout_weight="1.0" />
<TextView
android:id="@android:id/empty"
android:layout_width="fill_parent"
android:layout_height="0dip"
android:layout_weight="1.0"
android:gravity="center"
android:text="@string/gestures_loading"
android:textAppearance="?android:attr/textAppearanceMedium" />
<LinearLayout
style="@android:style/ButtonBar"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
android:id="@+id/addButton"
android:onClick="addGesture"
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_weight="1"
android:enabled="false"
android:text="@string/button_add" />
<Button
android:id="@+id/reloadButton"
android:onClick="reloadGestures"
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_weight="1"
android:enabled="false"
android:text="@string/button_reload" />
</LinearLayout>
</LinearLayout>

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<?xml version="1.0" encoding="utf-8"?>
<!--
/* //device/apps/common/assets/res/any/colors.xml
**
** Copyright 2008, 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.
*/
-->
<resources>
<color name="gesture_color">#FFFFFF00</color>
</resources>

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<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 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.
-->
<resources>
<dimen name="gesture_thumbnail_inset">8dip</dimen>
<dimen name="gesture_thumbnail_size">64dip</dimen>
</resources>

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<?xml version="1.0" encoding="utf-8"?>
<!--
/*
* Copyright (C) 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.
*/
-->
<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
<!-- General -->
<skip />
<!-- Application name -->
<string name="application_name">Gestures Builder</string>
<!-- Title, name of the activity used to create a gesture -->
<string name="label_create_gesture">Create a gesture</string>
<!-- Buttons -->
<skip />
<!-- Label, button used to add a gesture -->
<string name="button_add">Add gesture</string>
<!-- Label, button used to reload all gestures -->
<string name="button_reload">Reload</string>
<!-- Label, button used to cancel the operation of adding a gesture -->
<string name="button_discard">Discard</string>
<!-- Label, button used to save a gesture newly created -->
<string name="button_done">Done</string>
<!-- Gestures -->
<skip />
<!-- Label, prompt asking the user to enter the name of the gesture -->
<string name="prompt_gesture_name">Name</string>
<!-- Error message, informs the user he needs to enter a name before saving a gesture -->
<string name="error_missing_name">You must enter a name</string>
<!-- success message, tells the user where the gesture was saved -->
<string name="save_success">Gesture saved in %s</string>
<!-- Buttons in Rename gesture dialog box -->
<string name="rename_action">OK</string>
<!-- Buttons in Rename gesture dialog box -->
<string name="cancel_action">Cancel</string>
<!-- Message displayed when the user opens the gestures settings screen -->
<string name="gestures_loading">Loading gestures...</string>
<!-- Message displayed when the user has no gestures -->
<string name="gestures_empty">No gestures</string>
<!-- Title of the screen used to view/manage gestures -->
<string name="gestures_activity">Gestures</string>
<!-- Noun, menu item used to rename a gesture -->
<string name="gestures_rename">Rename</string>
<!-- Noun, menu item used to remove a gesture -->
<string name="gestures_delete">Delete</string>
<!-- Message displayed when a gesture is successfully deleted -->
<string name="gestures_delete_success">Gesture deleted</string>
<!-- Title of dialog box -->
<string name="gestures_rename_title">Rename gesture</string>
<!-- Label of gesture name field in Rename gesture dialog box -->
<string name="gestures_rename_label">Gesture name</string>
<!-- Message, displayed when the sdcard cannot be found, 1st parameter is the name of the file that stores the gestures -->
<string name="gestures_error_loading">Could not load %s. Make sure you have a mounted SD card.</string>
</resources>

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/*
* Copyright (C) 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.builder;
import android.app.Activity;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.view.MotionEvent;
import android.gesture.GestureOverlayView;
import android.gesture.Gesture;
import android.gesture.GestureLibrary;
import android.widget.TextView;
import android.widget.Toast;
import java.io.File;
public class CreateGestureActivity extends Activity {
private static final float LENGTH_THRESHOLD = 120.0f;
private Gesture mGesture;
private View mDoneButton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.create_gesture);
mDoneButton = findViewById(R.id.done);
GestureOverlayView overlay = (GestureOverlayView) findViewById(R.id.gestures_overlay);
overlay.addOnGestureListener(new GesturesProcessor());
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
if (mGesture != null) {
outState.putParcelable("gesture", mGesture);
}
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
mGesture = savedInstanceState.getParcelable("gesture");
if (mGesture != null) {
final GestureOverlayView overlay =
(GestureOverlayView) findViewById(R.id.gestures_overlay);
overlay.post(new Runnable() {
public void run() {
overlay.setGesture(mGesture);
}
});
mDoneButton.setEnabled(true);
}
}
@SuppressWarnings({"UnusedDeclaration"})
public void addGesture(View v) {
if (mGesture != null) {
final TextView input = (TextView) findViewById(R.id.gesture_name);
final CharSequence name = input.getText();
if (name.length() == 0) {
input.setError(getString(R.string.error_missing_name));
return;
}
final GestureLibrary store = GestureBuilderActivity.getStore();
store.addGesture(name.toString(), mGesture);
store.save();
setResult(RESULT_OK);
final String path = new File(Environment.getExternalStorageDirectory(),
"gestures").getAbsolutePath();
Toast.makeText(this, getString(R.string.save_success, path), Toast.LENGTH_LONG).show();
} else {
setResult(RESULT_CANCELED);
}
finish();
}
@SuppressWarnings({"UnusedDeclaration"})
public void cancelGesture(View v) {
setResult(RESULT_CANCELED);
finish();
}
private class GesturesProcessor implements GestureOverlayView.OnGestureListener {
public void onGestureStarted(GestureOverlayView overlay, MotionEvent event) {
mDoneButton.setEnabled(false);
mGesture = null;
}
public void onGesture(GestureOverlayView overlay, MotionEvent event) {
}
public void onGestureEnded(GestureOverlayView overlay, MotionEvent event) {
mGesture = overlay.getGesture();
if (mGesture.getLength() < LENGTH_THRESHOLD) {
overlay.clear(false);
}
mDoneButton.setEnabled(true);
}
public void onGestureCancelled(GestureOverlayView overlay, MotionEvent event) {
}
}
}

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/*
* Copyright (C) 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.builder;
import android.app.Dialog;
import android.app.AlertDialog;
import android.app.ListActivity;
import android.os.Bundle;
import android.os.AsyncTask;
import android.os.Environment;
import android.view.View;
import android.view.ContextMenu;
import android.view.MenuItem;
import android.view.LayoutInflater;
import android.view.ViewGroup;
import android.gesture.GestureLibrary;
import android.gesture.Gesture;
import android.gesture.GestureLibraries;
import android.widget.TextView;
import android.widget.EditText;
import android.widget.AdapterView;
import android.widget.Toast;
import android.widget.ArrayAdapter;
import android.content.DialogInterface;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.text.TextUtils;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.BitmapDrawable;
import java.util.Map;
import java.util.Collections;
import java.util.HashMap;
import java.util.Comparator;
import java.util.Set;
import java.io.File;
public class GestureBuilderActivity extends ListActivity {
private static final int STATUS_SUCCESS = 0;
private static final int STATUS_CANCELLED = 1;
private static final int STATUS_NO_STORAGE = 2;
private static final int STATUS_NOT_LOADED = 3;
private static final int MENU_ID_RENAME = 1;
private static final int MENU_ID_REMOVE = 2;
private static final int DIALOG_RENAME_GESTURE = 1;
private static final int REQUEST_NEW_GESTURE = 1;
// Type: long (id)
private static final String GESTURES_INFO_ID = "gestures.info_id";
private final File mStoreFile = new File(Environment.getExternalStorageDirectory(), "gestures");
private final Comparator<NamedGesture> mSorter = new Comparator<NamedGesture>() {
public int compare(NamedGesture object1, NamedGesture object2) {
return object1.name.compareTo(object2.name);
}
};
private static GestureLibrary sStore;
private GesturesAdapter mAdapter;
private GesturesLoadTask mTask;
private TextView mEmpty;
private Dialog mRenameDialog;
private EditText mInput;
private NamedGesture mCurrentRenameGesture;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.gestures_list);
mAdapter = new GesturesAdapter(this);
setListAdapter(mAdapter);
if (sStore == null) {
sStore = GestureLibraries.fromFile(mStoreFile);
}
mEmpty = (TextView) findViewById(android.R.id.empty);
loadGestures();
registerForContextMenu(getListView());
}
static GestureLibrary getStore() {
return sStore;
}
@SuppressWarnings({"UnusedDeclaration"})
public void reloadGestures(View v) {
loadGestures();
}
@SuppressWarnings({"UnusedDeclaration"})
public void addGesture(View v) {
Intent intent = new Intent(this, CreateGestureActivity.class);
startActivityForResult(intent, REQUEST_NEW_GESTURE);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK) {
switch (requestCode) {
case REQUEST_NEW_GESTURE:
loadGestures();
break;
}
}
}
private void loadGestures() {
if (mTask != null && mTask.getStatus() != GesturesLoadTask.Status.FINISHED) {
mTask.cancel(true);
}
mTask = (GesturesLoadTask) new GesturesLoadTask().execute();
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mTask != null && mTask.getStatus() != GesturesLoadTask.Status.FINISHED) {
mTask.cancel(true);
mTask = null;
}
cleanupRenameDialog();
}
private void checkForEmpty() {
if (mAdapter.getCount() == 0) {
mEmpty.setText(R.string.gestures_empty);
}
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
if (mCurrentRenameGesture != null) {
outState.putLong(GESTURES_INFO_ID, mCurrentRenameGesture.gesture.getID());
}
}
@Override
protected void onRestoreInstanceState(Bundle state) {
super.onRestoreInstanceState(state);
long id = state.getLong(GESTURES_INFO_ID, -1);
if (id != -1) {
final Set<String> entries = sStore.getGestureEntries();
out: for (String name : entries) {
for (Gesture gesture : sStore.getGestures(name)) {
if (gesture.getID() == id) {
mCurrentRenameGesture = new NamedGesture();
mCurrentRenameGesture.name = name;
mCurrentRenameGesture.gesture = gesture;
break out;
}
}
}
}
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenu.ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
menu.setHeaderTitle(((TextView) info.targetView).getText());
menu.add(0, MENU_ID_RENAME, 0, R.string.gestures_rename);
menu.add(0, MENU_ID_REMOVE, 0, R.string.gestures_delete);
}
@Override
public boolean onContextItemSelected(MenuItem item) {
final AdapterView.AdapterContextMenuInfo menuInfo = (AdapterView.AdapterContextMenuInfo)
item.getMenuInfo();
final NamedGesture gesture = (NamedGesture) menuInfo.targetView.getTag();
switch (item.getItemId()) {
case MENU_ID_RENAME:
renameGesture(gesture);
return true;
case MENU_ID_REMOVE:
deleteGesture(gesture);
return true;
}
return super.onContextItemSelected(item);
}
private void renameGesture(NamedGesture gesture) {
mCurrentRenameGesture = gesture;
showDialog(DIALOG_RENAME_GESTURE);
}
@Override
protected Dialog onCreateDialog(int id) {
if (id == DIALOG_RENAME_GESTURE) {
return createRenameDialog();
}
return super.onCreateDialog(id);
}
@Override
protected void onPrepareDialog(int id, Dialog dialog) {
super.onPrepareDialog(id, dialog);
if (id == DIALOG_RENAME_GESTURE) {
mInput.setText(mCurrentRenameGesture.name);
}
}
private Dialog createRenameDialog() {
final View layout = View.inflate(this, R.layout.dialog_rename, null);
mInput = (EditText) layout.findViewById(R.id.name);
((TextView) layout.findViewById(R.id.label)).setText(R.string.gestures_rename_label);
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setIcon(0);
builder.setTitle(getString(R.string.gestures_rename_title));
builder.setCancelable(true);
builder.setOnCancelListener(new Dialog.OnCancelListener() {
public void onCancel(DialogInterface dialog) {
cleanupRenameDialog();
}
});
builder.setNegativeButton(getString(R.string.cancel_action),
new Dialog.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
cleanupRenameDialog();
}
}
);
builder.setPositiveButton(getString(R.string.rename_action),
new Dialog.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
changeGestureName();
}
}
);
builder.setView(layout);
return builder.create();
}
private void changeGestureName() {
final String name = mInput.getText().toString();
if (!TextUtils.isEmpty(name)) {
final NamedGesture renameGesture = mCurrentRenameGesture;
final GesturesAdapter adapter = mAdapter;
final int count = adapter.getCount();
// Simple linear search, there should not be enough items to warrant
// a more sophisticated search
for (int i = 0; i < count; i++) {
final NamedGesture gesture = adapter.getItem(i);
if (gesture.gesture.getID() == renameGesture.gesture.getID()) {
sStore.removeGesture(gesture.name, gesture.gesture);
gesture.name = mInput.getText().toString();
sStore.addGesture(gesture.name, gesture.gesture);
break;
}
}
adapter.notifyDataSetChanged();
}
mCurrentRenameGesture = null;
}
private void cleanupRenameDialog() {
if (mRenameDialog != null) {
mRenameDialog.dismiss();
mRenameDialog = null;
}
mCurrentRenameGesture = null;
}
private void deleteGesture(NamedGesture gesture) {
sStore.removeGesture(gesture.name, gesture.gesture);
sStore.save();
final GesturesAdapter adapter = mAdapter;
adapter.setNotifyOnChange(false);
adapter.remove(gesture);
adapter.sort(mSorter);
checkForEmpty();
adapter.notifyDataSetChanged();
Toast.makeText(this, R.string.gestures_delete_success, Toast.LENGTH_SHORT).show();
}
private class GesturesLoadTask extends AsyncTask<Void, NamedGesture, Integer> {
private int mThumbnailSize;
private int mThumbnailInset;
private int mPathColor;
@Override
protected void onPreExecute() {
super.onPreExecute();
final Resources resources = getResources();
mPathColor = resources.getColor(R.color.gesture_color);
mThumbnailInset = (int) resources.getDimension(R.dimen.gesture_thumbnail_inset);
mThumbnailSize = (int) resources.getDimension(R.dimen.gesture_thumbnail_size);
findViewById(R.id.addButton).setEnabled(false);
findViewById(R.id.reloadButton).setEnabled(false);
mAdapter.setNotifyOnChange(false);
mAdapter.clear();
}
protected Integer doInBackground(Void... params) {
if (isCancelled()) return STATUS_CANCELLED;
if (!Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
return STATUS_NO_STORAGE;
}
final GestureLibrary store = sStore;
if (store.load()) {
for (String name : store.getGestureEntries()) {
if (isCancelled()) break;
for (Gesture gesture : store.getGestures(name)) {
final Bitmap bitmap = gesture.toBitmap(mThumbnailSize, mThumbnailSize,
mThumbnailInset, mPathColor);
final NamedGesture namedGesture = new NamedGesture();
namedGesture.gesture = gesture;
namedGesture.name = name;
mAdapter.addBitmap(namedGesture.gesture.getID(), bitmap);
publishProgress(namedGesture);
}
}
return STATUS_SUCCESS;
}
return STATUS_NOT_LOADED;
}
@Override
protected void onProgressUpdate(NamedGesture... values) {
super.onProgressUpdate(values);
final GesturesAdapter adapter = mAdapter;
adapter.setNotifyOnChange(false);
for (NamedGesture gesture : values) {
adapter.add(gesture);
}
adapter.sort(mSorter);
adapter.notifyDataSetChanged();
}
@Override
protected void onPostExecute(Integer result) {
super.onPostExecute(result);
if (result == STATUS_NO_STORAGE) {
mList.setVisibility(View.GONE);
mEmpty.setVisibility(View.VISIBLE);
mEmpty.setText(getString(R.string.gestures_error_loading,
mStoreFile.getAbsolutePath()));
} else {
findViewById(R.id.addButton).setEnabled(true);
findViewById(R.id.reloadButton).setEnabled(true);
checkForEmpty();
}
}
}
static class NamedGesture {
String name;
Gesture gesture;
}
private class GesturesAdapter extends ArrayAdapter<NamedGesture> {
private final LayoutInflater mInflater;
private final Map<Long, Drawable> mThumbnails = Collections.synchronizedMap(
new HashMap<Long, Drawable>());
public GesturesAdapter(Context context) {
super(context, 0);
mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
void addBitmap(Long id, Bitmap bitmap) {
mThumbnails.put(id, new BitmapDrawable(bitmap));
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = mInflater.inflate(R.layout.gestures_item, parent, false);
}
final NamedGesture gesture = getItem(position);
final TextView label = (TextView) convertView;
label.setTag(gesture);
label.setText(gesture.name);
label.setCompoundDrawablesWithIntrinsicBounds(mThumbnails.get(gesture.gesture.getID()),
null, null, null);
return convertView;
}
}
}