Java tutorial
/* * Copyright 2015 Ying-Chun Liu (PaulLiu) <paulliu@debian.org> * * 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 org.debian.paulliu.kajiradoubra.controller; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.MotionEvent; import android.util.Log; import android.widget.*; public class LevelFragment extends Fragment { private KajiraDouBraController mActivity = null; private static final String LEVELSTR = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { super.onCreateView(inflater, container, savedInstanceState); View rootView = inflater.inflate(R.layout.level_fragment, container, false); return rootView; } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); mActivity = (KajiraDouBraController) getActivity(); SeekBar seekBarLeft = (SeekBar) mActivity.findViewById(R.id.seekbar_level_left); seekBarLeft.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { @Override public void onStopTrackingTouch(SeekBar seekBar) { // TODO Auto-generated method stub } @Override public void onStartTrackingTouch(SeekBar seekBar) { // TODO Auto-generated method stub } @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { onLeftProgressChanged(progress); } }); SeekBar seekBarRight = (SeekBar) mActivity.findViewById(R.id.seekbar_level_right); seekBarRight.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { @Override public void onStopTrackingTouch(SeekBar seekBar) { // TODO Auto-generated method stub } @Override public void onStartTrackingTouch(SeekBar seekBar) { // TODO Auto-generated method stub } @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { onRightProgressChanged(progress); } }); } public void onLeftProgressChanged(int progress) { if (0 <= progress && progress < LEVELSTR.length()) { sendBluetoothData(String.format("l%1$s", LEVELSTR.charAt(progress))); } } public void onRightProgressChanged(int progress) { if (0 <= progress && progress < LEVELSTR.length()) { sendBluetoothData(String.format("r%1$s", LEVELSTR.charAt(progress))); } } private void sendBluetoothData(String s) { mActivity.sendBluetoothData(s); } }