Android Open Source - android-plotter Main Activity

From Project

License

The source code is released under:

Apache License

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Java Source Code

package org.solovyev.android.plotter.app;
/*from ww  w  .  j a  v a2 s. co  m*/
import android.app.Activity;
import android.os.Bundle;
import android.os.Parcelable;
import android.view.View;
import org.solovyev.android.plotter.*;

import javax.annotation.Nonnull;

public class MainActivity extends Activity {

  @Nonnull
  private PlotView plotView;

  @Nonnull
  private final Plotter plotter = PlotterApplication.get().getPlotter();

  @Nonnull
  private final Runnable colorUpdater = new Runnable() {
    private int direction = -1;
    @Override
    public void run() {
      final PlotData plotData = plotter.getPlotData();
      final PlotFunction function = plotData.get(PlotterApplication.PARABOLOID);
      if(function == null) {
        return;
      }
      final Color color = Color.create(function.lineStyle.color);
      if (color.equals(Color.BLACK) || color.equals(Color.RED)) {
        direction = -direction;
      }
      function.lineStyle.color = color.add(direction * 0.01f, 0, 0).toInt();
      plotter.update(function);
      plotView.postDelayed(this, 100L);
    }
  };

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.main);
    plotView = (PlotView) findViewById(R.id.plotview);
    plotView.setPlotter(plotter);

    final View zoomOutButton = findViewById(R.id.zoom_out_button);
    zoomOutButton.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        plotView.zoom(false);
      }
    });
    final View zoom0Button = findViewById(R.id.zoom_0_button);
    zoom0Button.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        plotView.resetZoom();
      }
    });
    final View zoomInButton = findViewById(R.id.zoom_in_button);
    zoomInButton.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        plotView.zoom(true);
      }
    });
    final View plotModeButton = findViewById(R.id.plot_mode_button);
    plotModeButton.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        plotter.set3d(!plotter.is3d());
      }
    });


    plotView.post(colorUpdater);
  }

  @Override
  protected void onSaveInstanceState(@Nonnull Bundle out) {
    super.onSaveInstanceState(out);
    final Parcelable plotViewState = plotView.onSaveInstanceState();
    out.putParcelable("plotview", plotViewState);
  }

  @Override
  protected void onRestoreInstanceState(@Nonnull Bundle in) {
    super.onRestoreInstanceState(in);
    final Parcelable plotviewState = in.getParcelable("plotview");
    if (plotviewState != null) {
      plotView.onRestoreInstanceState(plotviewState);
    }
  }

  @Override
  protected void onPause() {
    plotView.onPause();
    super.onPause();
  }

  @Override
  protected void onResume() {
    super.onResume();
    plotView.onResume();
  }
}

Java Source Code List