Android Open Source - diagnostic-tool Grapher Activity

From Project

License

The source code is released under:

Copyright (c) 2014 Ford Motor Company All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are me...

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Java Source Code

package com.openxc.openxcdiagnostic.menu;
/*w w w  . j  a v a2s.  c  o  m*/
import java.util.Timer;
import java.util.TimerTask;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.LinearLayout;

import com.jjoe64.graphview.GraphView;
import com.jjoe64.graphview.GraphView.GraphViewData;
import com.jjoe64.graphview.GraphViewSeries;
import com.jjoe64.graphview.LineGraphView;
import com.openxc.VehicleManager;
import com.openxc.measurements.Measurement;
import com.openxc.openxcdiagnostic.R;
import com.openxc.openxcdiagnostic.diagnostic.DiagnosticActivity;

public class GrapherActivity extends Activity {

    private static String TAG = "VehicleDashboard";

    private VehicleManager mVehicleManager;
    private boolean mIsBound;
    private TimerTask mUpdateGraphTask;
    private Timer mTimer;
    private GraphViewSeries dataSeries;

    private ServiceConnection mConnection = new ServiceConnection() {
        public void
                onServiceConnected(ComponentName className, IBinder service) {
            Log.i(TAG, "Bound to VehicleManager");
            mVehicleManager = ((VehicleManager.VehicleBinder) service)
                    .getService();

            mIsBound = true;

            Integer gridPosition = getIntent().getExtras().getInt("pos");
            Class<? extends Measurement> measurementType = GridManager
                    .getClass(gridPosition);
            mUpdateGraphTask = new GraphDataRetrieveTask(mVehicleManager,
                    GrapherActivity.this, dataSeries, measurementType);
            mTimer = new Timer();
            mTimer.schedule(mUpdateGraphTask, 100, 1000);
        }

        public void onServiceDisconnected(ComponentName className) {
            Log.w(TAG, "VehicleService disconnected unexpectedly");
            mVehicleManager = null;
            mIsBound = false;
        }
    };

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.dashboard);
        Log.i(TAG, "Vehicle dashboard created");

        // init example series data
        dataSeries = new GraphViewSeries(new GraphViewData[] {});

        GraphView graphView = new LineGraphView(this, "GraphViewDemo" // heading
        );
        graphView.addSeries(dataSeries); // data
        graphView.setScrollable(true);
        graphView.setScalable(true);
        graphView.setManualYAxisBounds(1000, 0);
        setContentView(R.layout.graphlayout);
        LinearLayout layout = (LinearLayout) findViewById(R.id.graphlayout);
        layout.addView(graphView);
    }

    @Override
    public void onResume() {
        super.onResume();
        bindService(new Intent(this, VehicleManager.class), mConnection,
                Context.BIND_AUTO_CREATE);
    }

    @Override
    public void onPause() {
        super.onPause();
        if (mIsBound) {
            Log.i(TAG, "Unbinding from vehicle service");
            unbindService(mConnection);
            mIsBound = false;
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == R.id.Diagnostic) {
            startActivity(new Intent(this, DiagnosticActivity.class));
        } else if (item.getItemId() == R.id.Menu) {
            startActivity(new Intent(this, MenuActivity.class));
            return true;
        } else if (item.getItemId() == R.id.Dashboard) {
            // do nothing
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.options, menu);
        return true;
    }
}

Java Source Code List