131 lines
4.1 KiB
Java
131 lines
4.1 KiB
Java
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.gesture.builder;
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import android.app.Activity;
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import android.os.Bundle;
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import android.os.Environment;
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import android.view.View;
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import android.view.MotionEvent;
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import android.gesture.GestureOverlayView;
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import android.gesture.Gesture;
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import android.gesture.GestureLibrary;
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import android.widget.TextView;
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import android.widget.Toast;
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import java.io.File;
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public class CreateGestureActivity extends Activity {
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private static final float LENGTH_THRESHOLD = 120.0f;
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private Gesture mGesture;
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private View mDoneButton;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.create_gesture);
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mDoneButton = findViewById(R.id.done);
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GestureOverlayView overlay = (GestureOverlayView) findViewById(R.id.gestures_overlay);
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overlay.addOnGestureListener(new GesturesProcessor());
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}
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@Override
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protected void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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if (mGesture != null) {
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outState.putParcelable("gesture", mGesture);
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}
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}
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@Override
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protected void onRestoreInstanceState(Bundle savedInstanceState) {
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super.onRestoreInstanceState(savedInstanceState);
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mGesture = savedInstanceState.getParcelable("gesture");
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if (mGesture != null) {
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final GestureOverlayView overlay =
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(GestureOverlayView) findViewById(R.id.gestures_overlay);
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overlay.post(new Runnable() {
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public void run() {
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overlay.setGesture(mGesture);
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}
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});
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mDoneButton.setEnabled(true);
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}
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}
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@SuppressWarnings({"UnusedDeclaration"})
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public void addGesture(View v) {
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if (mGesture != null) {
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final TextView input = (TextView) findViewById(R.id.gesture_name);
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final CharSequence name = input.getText();
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if (name.length() == 0) {
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input.setError(getString(R.string.error_missing_name));
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return;
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}
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final GestureLibrary store = GestureBuilderActivity.getStore();
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store.addGesture(name.toString(), mGesture);
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store.save();
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setResult(RESULT_OK);
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final String path = new File(Environment.getExternalStorageDirectory(),
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"gestures").getAbsolutePath();
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Toast.makeText(this, getString(R.string.save_success, path), Toast.LENGTH_LONG).show();
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} else {
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setResult(RESULT_CANCELED);
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}
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finish();
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}
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@SuppressWarnings({"UnusedDeclaration"})
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public void cancelGesture(View v) {
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setResult(RESULT_CANCELED);
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finish();
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}
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private class GesturesProcessor implements GestureOverlayView.OnGestureListener {
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public void onGestureStarted(GestureOverlayView overlay, MotionEvent event) {
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mDoneButton.setEnabled(false);
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mGesture = null;
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}
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public void onGesture(GestureOverlayView overlay, MotionEvent event) {
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}
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public void onGestureEnded(GestureOverlayView overlay, MotionEvent event) {
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mGesture = overlay.getGesture();
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if (mGesture.getLength() < LENGTH_THRESHOLD) {
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overlay.clear(false);
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}
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mDoneButton.setEnabled(true);
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}
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public void onGestureCancelled(GestureOverlayView overlay, MotionEvent event) {
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}
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}
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}
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