Romain Guy | 89f0e50 | 2009-07-09 19:05:32 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.gesture.builder; |
| 18 | |
| 19 | import android.app.Activity; |
| 20 | import android.os.Bundle; |
| 21 | import android.os.Environment; |
| 22 | import android.view.View; |
| 23 | import android.view.MotionEvent; |
| 24 | import android.gesture.GestureOverlayView; |
| 25 | import android.gesture.Gesture; |
| 26 | import android.gesture.GestureLibrary; |
| 27 | import android.widget.TextView; |
| 28 | import android.widget.Toast; |
| 29 | |
| 30 | import java.io.File; |
| 31 | |
| 32 | public class CreateGestureActivity extends Activity { |
| 33 | private static final float LENGTH_THRESHOLD = 120.0f; |
| 34 | |
| 35 | private Gesture mGesture; |
| 36 | private View mDoneButton; |
| 37 | |
| 38 | @Override |
| 39 | protected void onCreate(Bundle savedInstanceState) { |
| 40 | super.onCreate(savedInstanceState); |
| 41 | |
| 42 | setContentView(R.layout.create_gesture); |
| 43 | |
| 44 | mDoneButton = findViewById(R.id.done); |
| 45 | |
| 46 | GestureOverlayView overlay = (GestureOverlayView) findViewById(R.id.gestures_overlay); |
| 47 | overlay.addOnGestureListener(new GesturesProcessor()); |
| 48 | } |
| 49 | |
| 50 | @Override |
| 51 | protected void onSaveInstanceState(Bundle outState) { |
| 52 | super.onSaveInstanceState(outState); |
| 53 | |
| 54 | if (mGesture != null) { |
| 55 | outState.putParcelable("gesture", mGesture); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | @Override |
| 60 | protected void onRestoreInstanceState(Bundle savedInstanceState) { |
| 61 | super.onRestoreInstanceState(savedInstanceState); |
| 62 | |
| 63 | mGesture = savedInstanceState.getParcelable("gesture"); |
| 64 | if (mGesture != null) { |
| 65 | final GestureOverlayView overlay = |
| 66 | (GestureOverlayView) findViewById(R.id.gestures_overlay); |
| 67 | overlay.post(new Runnable() { |
| 68 | public void run() { |
| 69 | overlay.setGesture(mGesture); |
| 70 | } |
| 71 | }); |
| 72 | |
| 73 | mDoneButton.setEnabled(true); |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | @SuppressWarnings({"UnusedDeclaration"}) |
| 78 | public void addGesture(View v) { |
| 79 | if (mGesture != null) { |
| 80 | final TextView input = (TextView) findViewById(R.id.gesture_name); |
| 81 | final CharSequence name = input.getText(); |
| 82 | if (name.length() == 0) { |
| 83 | input.setError(getString(R.string.error_missing_name)); |
| 84 | return; |
| 85 | } |
| 86 | |
| 87 | final GestureLibrary store = GestureBuilderActivity.getStore(); |
| 88 | store.addGesture(name.toString(), mGesture); |
| 89 | store.save(); |
| 90 | |
| 91 | setResult(RESULT_OK); |
| 92 | |
| 93 | final String path = new File(Environment.getExternalStorageDirectory(), |
| 94 | "gestures").getAbsolutePath(); |
| 95 | Toast.makeText(this, getString(R.string.save_success, path), Toast.LENGTH_LONG).show(); |
| 96 | } else { |
| 97 | setResult(RESULT_CANCELED); |
| 98 | } |
| 99 | |
| 100 | finish(); |
| 101 | |
| 102 | } |
| 103 | |
| 104 | @SuppressWarnings({"UnusedDeclaration"}) |
| 105 | public void cancelGesture(View v) { |
| 106 | setResult(RESULT_CANCELED); |
| 107 | finish(); |
| 108 | } |
| 109 | |
| 110 | private class GesturesProcessor implements GestureOverlayView.OnGestureListener { |
| 111 | public void onGestureStarted(GestureOverlayView overlay, MotionEvent event) { |
| 112 | mDoneButton.setEnabled(false); |
| 113 | mGesture = null; |
| 114 | } |
| 115 | |
| 116 | public void onGesture(GestureOverlayView overlay, MotionEvent event) { |
| 117 | } |
| 118 | |
| 119 | public void onGestureEnded(GestureOverlayView overlay, MotionEvent event) { |
| 120 | mGesture = overlay.getGesture(); |
| 121 | if (mGesture.getLength() < LENGTH_THRESHOLD) { |
| 122 | overlay.clear(false); |
| 123 | } |
| 124 | mDoneButton.setEnabled(true); |
| 125 | } |
| 126 | |
| 127 | public void onGestureCancelled(GestureOverlayView overlay, MotionEvent event) { |
| 128 | } |
| 129 | } |
| 130 | } |