{
    "chart-conf": {
        "chart-name": "arc-chart",
        "color": "owner",
        "gadget-name": "Android Screen On Chart",
        "maxLength": "2",
        "x": "duration"
    },
    "provider-conf": {
        "limit": "1",
        "provider-name": "batch",
        "query": "",
        "tableName": "ANDROID_SCREEN_STAT_PER_DAY"
    }
}