| /* |
| * Copyright (C) 2013 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.example.android.basicgesturedetect; |
| |
| import android.content.Intent; |
| import android.os.Bundle; |
| import android.support.v4.app.Fragment; |
| import android.view.GestureDetector; |
| import android.view.MenuItem; |
| import android.view.MotionEvent; |
| import android.view.View; |
| |
| import com.example.android.common.logger.Log; |
| import com.example.android.common.logger.LogFragment; |
| |
| public class BasicGestureDetectFragment extends Fragment{ |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setHasOptionsMenu(true); |
| } |
| |
| @Override |
| public void onActivityCreated(Bundle savedInstanceState) { |
| super.onActivityCreated(savedInstanceState); |
| View gestureView = getActivity().findViewById(R.id.sample_output); |
| gestureView.setClickable(true); |
| gestureView.setFocusable(true); |
| |
| // BEGIN_INCLUDE(init_detector) |
| |
| // First create the GestureListener that will include all our callbacks. |
| // Then create the GestureDetector, which takes that listener as an argument. |
| GestureDetector.SimpleOnGestureListener gestureListener = new GestureListener(); |
| final GestureDetector gd = new GestureDetector(getActivity(), gestureListener); |
| |
| /* For the view where gestures will occur, create an onTouchListener that sends |
| * all motion events to the gesture detector. When the gesture detector |
| * actually detects an event, it will use the callbacks you created in the |
| * SimpleOnGestureListener to alert your application. |
| */ |
| |
| gestureView.setOnTouchListener(new View.OnTouchListener() { |
| @Override |
| public boolean onTouch(View view, MotionEvent motionEvent) { |
| gd.onTouchEvent(motionEvent); |
| return false; |
| } |
| }); |
| // END_INCLUDE(init_detector) |
| } |
| |
| |
| @Override |
| public boolean onOptionsItemSelected(MenuItem item) { |
| if (item.getItemId() == R.id.sample_action) { |
| clearLog(); |
| } |
| return true; |
| } |
| |
| public void clearLog() { |
| LogFragment logFragment = ((LogFragment) getActivity().getSupportFragmentManager() |
| .findFragmentById(R.id.log_fragment)); |
| logFragment.getLogView().setText(""); |
| } |
| } |