Java tutorial
/******************************************************************************* * Copyright 2013 CRS4 * * 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.crs4.roodin.moduletester.activities; import java.util.ArrayList; import org.json.JSONArray; import org.json.JSONException; import android.app.Activity; import android.content.Context; import android.hardware.SensorManager; import android.os.Bundle; import android.os.Vibrator; import android.view.Menu; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; import com.crs4.roodin.modules.boundingbox.BoundingBox; import com.crs4.roodin.modules.boundingbox.BoundingBoxListener; import com.crs4.roodin.modules.position.Position; import com.crs4.roodin.modules.position.PositionListener; import com.crs4.roodin.modules.rotation.Rotation; import com.crs4.roodin.modules.rotation.RotationListener; import com.crs4.roodin.modules.step.Step; import com.crs4.roodin.modules.step.StepListener; import com.crs4.roodin.moduletester.Block; import com.crs4.roodin.moduletester.Box; import com.crs4.roodin.moduletester.CustomView; import com.crs4.roodin.moduletester.MapScrollView; import com.crs4.roodin.moduletester.Point; import com.crs4.roodin.moduletester.R; import com.crs4.roodin.moduletester.R.id; import com.crs4.roodin.moduletester.R.layout; import com.crs4.roodin.moduletester.R.menu; /** * @author ICT/LBS Team - CRS4 Sardinia, Italy * */ public class PositionActivity extends Activity implements PositionListener, BoundingBoxListener { private CustomView customView; private MapScrollView mapScrollView; private Block block; private Position position; private Vibrator vibrator; private int initialRotation; private String sid; private Rotation rotation; private float cellDimension; // da controllare bene su roodin app; private float[] currentPosCell = new float[] { 0.0f, 0.0f, 0.0f }; private ArrayList<Box> boxList = new ArrayList<Box>(); private Point currentPoint; private BoundingBox bb; private float currentRotation; private Point northWest = new Point(26, 0); // to draw the box private Point southEast = new Point(27, 27); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_map); SensorManager sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE); vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE); block = this.getBlockFeatures(); cellDimension = block.getCellDimension(); position = new Position(sensorManager, this, block); position.addListener(this); //rotation = Rotation.getInstance(); //rotation.initialize((SensorManager) getSystemService(SENSOR_SERVICE)); //rotation.addListener(this); mapScrollView = (MapScrollView) findViewById(R.id.mapScrollView); customView = new CustomView(getApplicationContext()); customView.setBlock(block); Box box = new Box(new Point(12, 12), new Point(24, 24)); //NE (row,col) alto-destra --- SW (row, col) basso sinistra Box box2 = new Box(new Point(25, 25), new Point(32, 32)); //NW (row,col) --- SE (row, col) boxList.add(box); boxList.add(box2); bb = new BoundingBox(); bb.addListener(this); customView.setBoxList(boxList); customView.setMapRotation(block.getInitialRotation()); float[] pxInitialPosition = new float[2]; pxInitialPosition[0] = 750; pxInitialPosition[1] = 464; mapScrollView.setOnDrawListener(customView, 1000, 1000); mapScrollView.centerDisplayTo(pxInitialPosition[0], pxInitialPosition[1]); //center display every step customView.setPosition(pxInitialPosition[0], pxInitialPosition[1]); initialRotation = block.getInitialRotation(); sid = position.initSession(block.getStartPos(), block.getShape(), block.getBarred(), 25); } @Override public void onPause() { super.onPause(); position.stopPositioning(); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.activity_main, menu); return true; } @Override public void onNewPositionEvent(float[] newPosCell) { currentRotation = newPosCell[2]; // rotation is the third value customView.setMapRotation(currentRotation); if (currentPosCell != newPosCell) { currentPoint = new Point((int) newPosCell[1], (int) newPosCell[0]); bb.evaluateBox(boxList, currentPoint); float[] posXY = convertCellPosToXY(newPosCell); customView.setPosition(posXY[0], posXY[1]); mapScrollView.centerDisplayTo(posXY[0], posXY[1]); //center display every step vibrator.vibrate(50); currentPosCell = newPosCell; } mapScrollView.invalidate(); } // @Override // public void onNewRotationEvent(float rotation) { // customView.setMapRotation(initialRotation + rotation); // mapScrollView.invalidate(); // } /** * @param position * @return */ public float[] convertCellPosToXY(float[] position) { float xy[] = new float[2]; // float cellDimension = currentBlock.getCellDimension(); xy[0] = (cellDimension * position[1]) + (cellDimension / 2); xy[1] = (cellDimension * position[0]) + (cellDimension / 2); return xy; } /** * @return */ public Block getBlockFeatures() { Block b = new Block(this.getApplicationContext()); try { //************** da sostituire con i getBarred ecc b.setCellDimension(17.0f); b.setBarred(new JSONArray( "[[0, 43], [0, 44], [0, 45], [0, 49], [0, 50], [1, 43], [1, 44], [1, 45], [1, 49], [1, 50], [2, 42], [2, 43], [2, 44], [2, 45], [2, 49], [2, 50], [3, 10], [3, 11], [3, 12], [3, 13], [3, 14], [3, 15], [3, 16], [3, 17], [3, 18], [3, 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[45, 28], [45, 29], [45, 30], [45, 31], [45, 32], [45, 33], [45, 34], [45, 35], [45, 36], [45, 37], [45, 38], [45, 39], [45, 40], [45, 41], [45, 42], [45, 43], [45, 44], [45, 45], [45, 46], [45, 49], [45, 50], [45, 51], [45, 52], [20, 15]]")); b.setShape(new JSONArray("[46,53]")); b.setInitialRotation(90); JSONArray coords = new JSONArray(); int x = 755; int y = 464; int ppm = 25; int col = (int) java.lang.Math.round((x / ppm) / 0.7); int row = (int) java.lang.Math.round((y / ppm) / 0.7); coords.put(row); coords.put(col); b.setStartPos(coords); } catch (JSONException e) { e.printStackTrace(); } return b; } @Override public void enteredBox() { //Toast.makeText(this, "ENTRATO", Toast.LENGTH_SHORT).show(); } @Override public void exitBox() { Toast.makeText(this, "USCITO", Toast.LENGTH_SHORT).show(); } @Override public void inBox(Box box) { if (boxList.contains(box)) { if (box.getCursorInBox() == false) { // do something Toast.makeText(this, "ENTRATO", Toast.LENGTH_SHORT).show(); box.setCursorInBox(true); } } else { Toast.makeText(this, "USCITO", Toast.LENGTH_SHORT).show(); box.setCursorInBox(false); } } }