@Override public void onCreate(Bundle savedInstanceState) { // android boilerplate stuff super.onCreate(savedInstanceState); setContentView(R.layout.dynamicxyplot_example); // get handles to our View defined in layout.xml: dynamicPlot = (XYPlot) findViewById(R.id.dynamicXYPlot); plotUpdater = new MyPlotUpdater(dynamicPlot); // only display whole numbers in domain labels dynamicPlot.getGraphWidget().setDomainValueFormat(new DecimalFormat("0")); // getInstance and position datasets: data = new SampleDynamicXYDatasource(); SampleDynamicSeries sine1Series = new SampleDynamicSeries(data, 0, "Sine 1"); SampleDynamicSeries sine2Series = new SampleDynamicSeries(data, 1, "Sine 2"); LineAndPointFormatter formatter1 = new LineAndPointFormatter(Color.rgb(0, 0, 0), null, null, null); formatter1.getLinePaint().setStrokeJoin(Paint.Join.ROUND); formatter1.getLinePaint().setStrokeWidth(10); dynamicPlot.addSeries(sine1Series, formatter1); LineAndPointFormatter formatter2 = new LineAndPointFormatter(Color.rgb(0, 0, 200), null, null, null); formatter2.getLinePaint().setStrokeWidth(10); formatter2.getLinePaint().setStrokeJoin(Paint.Join.ROUND); // formatter2.getFillPaint().setAlpha(220); dynamicPlot.addSeries(sine2Series, formatter2); // hook up the plotUpdater to the data model: data.addObserver(plotUpdater); // thin out domain tick labels so they dont overlap each other: dynamicPlot.setDomainStepMode(XYStepMode.INCREMENT_BY_VAL); dynamicPlot.setDomainStepValue(5); dynamicPlot.setRangeStepMode(XYStepMode.INCREMENT_BY_VAL); dynamicPlot.setRangeStepValue(10); dynamicPlot.setRangeValueFormat(new DecimalFormat("###.#")); // uncomment this line to freeze the range boundaries: dynamicPlot.setRangeBoundaries(-100, 100, BoundaryMode.FIXED); // create a dash effect for domain and range grid lines: DashPathEffect dashFx = new DashPathEffect(new float[] {PixelUtils.dpToPix(3), PixelUtils.dpToPix(3)}, 0); dynamicPlot.getGraphWidget().getDomainGridLinePaint().setPathEffect(dashFx); dynamicPlot.getGraphWidget().getRangeGridLinePaint().setPathEffect(dashFx); }
void generatePlot() { TextView tv = (TextView) findViewById(R.id.plotViewTitle); tv.setText( "Avistamientos durante " + meses[actualMonth - 1] + " del " + String.valueOf(actualYear)); SQLiteDatabase myDB = null; myDB = this.openOrCreateDatabase(DB_NAME, 1, null); myDB.execSQL( "CREATE TABLE IF NOT EXISTS " + TABLE + " (" + ADDR_DB + " TEXT NOT NULL PRIMARY KEY, " + COORD_X_DB + " INTEGER NOT NULL, " + COORD_Y_DB + " INTEGER NOT NULL, " + INF_DB + " TEXT, " + DAY_DB + " INTEGER, " + MONTH_DB + " INTEGER, " + YEAR_DB + " INTEGER);"); /* * Solo obtendremos los días donde se han visto avistamientos ordenados por menor a mayor. */ String[] FROM = {DAY_DB}; String ORDER_BY = YEAR_DB + " DESC, " + MONTH_DB + " DESC, " + DAY_DB + " DESC"; Cursor c = myDB.query( TABLE, FROM, MONTH_DB + "=" + actualMonth + " AND " + YEAR_DB + "=" + actualYear, null, null, null, ORDER_BY); /* * Preparamos el vector de Number dependiendo del mes que tengamos que mostrar */ Number[] series1Numbers; int daysOfMonth = 0; if (actualMonth == 1 || actualMonth == 3 || actualMonth == 5 || actualMonth == 7 || actualMonth == 8 || actualMonth == 10 || actualMonth == 12) { daysOfMonth = 32; series1Numbers = new Number[daysOfMonth]; for (int i = 0; i < daysOfMonth; ++i) series1Numbers[i] = 0; } else if (actualMonth == 2) { daysOfMonth = 29; series1Numbers = new Number[daysOfMonth]; for (int i = 0; i < daysOfMonth; ++i) series1Numbers[i] = 0; } else { daysOfMonth = 31; series1Numbers = new Number[daysOfMonth]; for (int i = 0; i < daysOfMonth; ++i) series1Numbers[i] = 0; } int max = 0; // sirve para establecer el máximo Y valor del gráfico int aux = 0; int dayAux = 0; startManagingCursor(c); while (c.moveToNext()) { int dayDB = c.getInt(0); if (max < aux) max = aux; if (dayAux == 0) { dayAux = dayDB; ++aux; } else { if (dayAux == dayDB) ++aux; else { series1Numbers[dayAux] = aux; aux = 1; dayAux = dayDB; } } } if (dayAux != 0) series1Numbers[dayAux] = aux; c.close(); if (myDB != null) { myDB.close(); } // Inicializamos el objeto XYPlot búscandolo desde el layout: mySimpleXYPlot = (XYPlot) findViewById(R.id.plot); mySimpleXYPlot.clear(); mySimpleXYPlot.setDomainLabel("Días de " + meses[actualMonth - 1]); mySimpleXYPlot.setRangeLabel("Número de avistamientos"); // Añadimos Línea Número UNO: XYSeries series1 = new SimpleXYSeries( Arrays.asList(series1Numbers), // Array de datos SimpleXYSeries.ArrayFormat.Y_VALS_ONLY, // Valores verticales "Número de avistamientos"); // Nombre de la serie // Modificamos los colores de la primera serie LineAndPointFormatter series1Format = new LineAndPointFormatter( Color.rgb(200, 0, 0), // Color de la l�nea Color.rgb(0, 0, 0), // Color del punto Color.rgb(190, 150, 150)); // Relleno // Una vez definida la serie (datos y estilo), la añadimos al panel mySimpleXYPlot.addSeries(series1, series1Format); if (max == 0) ++max; // Tuneamos el grafico mySimpleXYPlot.setDomainValueFormat(new DecimalFormat("#")); mySimpleXYPlot.setDomainBoundaries(1, daysOfMonth - 1, BoundaryMode.FIXED); mySimpleXYPlot.setDomainStepValue(daysOfMonth); if (daysOfMonth == 32) { mySimpleXYPlot.setTicksPerDomainLabel(2); } else if (daysOfMonth == 31) { mySimpleXYPlot.setTicksPerDomainLabel(3); } else if (daysOfMonth == 28) { mySimpleXYPlot.setTicksPerDomainLabel(2); } mySimpleXYPlot.setRangeUpperBoundary(max + 2, BoundaryMode.FIXED); mySimpleXYPlot.setRangeStepValue(max + 3); mySimpleXYPlot.setTicksPerRangeLabel(1); mySimpleXYPlot.disableAllMarkup(); /* * Generamos la vista de nueva para mostrar la nueva gráfica */ ScrollView sv = (ScrollView) findViewById(R.id.scrollView); sv.postInvalidate(); }