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我使用GraphView Android的多個系列顯示2個圖。 是否有可能通過觸摸顯示/隱藏某個圖表，因爲我在網站上找不到任何文檔？Android GraphView多個系列顯示/隱藏特定的線圖
這裏是源代碼：
graph = (GraphView) findViewById(R.id.graph);
LineGraphSeries<DataPoint> series = new LineGraphSeries<>(new DataPoint[] {
new DataPoint(0, 1),
new DataPoint(1, 5),
new DataPoint(2, 3),
new DataPoint(3, 2),
new DataPoint(4, 6)
});
graph.addSeries(series);
LineGraphSeries<DataPoint> series2 = new LineGraphSeries<>(new DataPoint[] {
new DataPoint(0, 3),
new DataPoint(1, 3),
new DataPoint(2, 6),
new DataPoint(3, 2),
new DataPoint(4, 5)
});
graph.addSeries(series2);