Android Open Source - helsinki-testbed2-android Animation View

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License

The source code is released under:
GNU General Public License
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Java Source Code

package fi.testbed2.android.ui.view;
//from  w  ww .j av  a  2 s .  co m
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.util.AttributeSet;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.ScaleGestureDetector;
import android.view.View;
import android.widget.SeekBar;
import android.widget.TextView;
import com.google.inject.Inject;
import com.googlecode.androidannotations.annotations.AfterInject;
import com.googlecode.androidannotations.annotations.Bean;
import com.googlecode.androidannotations.annotations.EView;
import com.jhlabs.map.Point2D;
import fi.testbed2.android.app.Logger;
import fi.testbed2.android.app.MainApplication;
import fi.testbed2.android.ui.view.util.AnimationViewBoundsUtil;
import fi.testbed2.android.ui.view.util.AnimationViewCanvasUtil;
import fi.testbed2.android.ui.view.util.AnimationViewScaleAndGestureUtil;
import fi.testbed2.domain.Municipality;
import fi.testbed2.domain.TestbedMapImage;
import fi.testbed2.domain.TestbedParsedPage;
import fi.testbed2.service.BitmapService;
import fi.testbed2.service.LocationService;
import fi.testbed2.service.PageService;
import fi.testbed2.service.SettingsService;
import fi.testbed2.util.SeekBarUtil;
import lombok.Getter;
import lombok.Setter;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

/**
 * View which shows the map animation.
 */
@EView
public class AnimationView extends View {

    @Getter
    private List<Municipality> municipalities;

    @Setter
    private boolean allImagesDownloaded;

    @Getter
    private AnimationViewPlayer player;

    // Utils
    @Bean @Getter
    AnimationViewCanvasUtil canvasUtil;
    @Bean @Getter
    AnimationViewScaleAndGestureUtil scaleAndGestureUtil;
    @Bean @Getter
    AnimationViewBoundsUtil boundsUtil;

    // Scaling related
    private ScaleGestureDetector scaleDetector;
    private GestureDetector gestureDetector;
    @Getter @Setter
    private MapScaleInfo scaleInfo = new MapScaleInfo();

    // Views and texts
    TextView timestampView;
    SeekBar seekBar;

    @Setter
    private String downloadProgressText;


    // Services

    @Inject
    public LocationService userLocationService;

    @Inject
    public BitmapService bitmapService;

    @Inject
    public PageService pageService;

    @Inject
    public SettingsService settingsService;

    /**
     * All three constructors are needed!!
     */

  public AnimationView(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
  }

  public AnimationView(Context context, AttributeSet attrs) {
    super(context, attrs);
  }

  public AnimationView(Context context) {
    super(context);
  }

    public void initView(Context context) {

        Logger.debug("Initializing AnimationView");

        player = new AnimationViewPlayer(this);
        scaleAndGestureUtil.setView(this);
        boundsUtil.setView(this);

        gestureDetector = new GestureDetector(context, scaleAndGestureUtil.getGestureListener());
        scaleDetector = new ScaleGestureDetector(context, scaleAndGestureUtil.getScaleListener());

        BitmapDrawable firstMap = new BitmapDrawable(bitmapService.getBitmap(getMapImagesToBeDrawn().get(0)));

        boundsUtil.setFrameWidth(firstMap.getMinimumWidth());
        boundsUtil.setFrameHeight(firstMap.getMinimumHeight());

        player.setFrameDelay(settingsService.getSavedFrameDelay());
        player.setCurrentFrame(0);
        player.setFrames(getMapImagesToBeDrawn().size() - 1);

    }

    public void startAnimation(TextView timestampView, SeekBar seekBar, Rect bounds, MapScaleInfo scaleInfo) {
        Logger.debug("Start animation");
        player.play();
        this.scaleInfo = scaleInfo;
        this.timestampView = timestampView;
        this.seekBar = seekBar;
        if (bounds==null) {
            boundsUtil.initializeBounds();
        } else {
            boundsUtil.setBounds(bounds);
        }
    next();
  }

    public void next() {
        postDelayed(new Runnable() {
            @Override
            public void run() {
                if(player.isPlaying()) {
                    player.goToNextFrame();
                }
            }
        }, player.getFrameDelay());
    }


    private List<TestbedMapImage> getMapImagesToBeDrawn() {

        if (allImagesDownloaded) {
            return pageService.getTestbedParsedPage().getAllTestbedImages();
        } else {
            List<TestbedMapImage> list = new ArrayList<TestbedMapImage>();
            TestbedParsedPage page = pageService.getTestbedParsedPage();
            list.add(page.getLatestTestbedImage());
            return list;
        }

    }

    @Override
  protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

        canvas.save();
        canvas.scale(scaleInfo.getScaleFactor(), scaleInfo.getScaleFactor(),
                scaleInfo.getPivotX(), scaleInfo.getPivotY());

        TestbedMapImage currentMap = getMapImagesToBeDrawn().get(player.getCurrentFrame());

        updateTimestampView(currentMap);
        updateSeekBar();

        BitmapDrawable frame = new BitmapDrawable(bitmapService.getBitmap(currentMap));
        frame.setBounds(boundsUtil.getBounds());
        frame.draw(canvas);

        canvasUtil.drawMunicipalities(canvas, boundsUtil.getBounds(), municipalities);
        canvasUtil.drawUserLocation(canvas, boundsUtil.getBounds());

        canvas.restore();

    }

    private void updateTimestampView(TestbedMapImage currentMap) {

        String timestamp = currentMap.getLocalTimestamp();
        String text = String.format("%1$02d/%2$02d @ ",
                player.getCurrentFrame() + 1 , player.getFrames() + 1) + timestamp;

        if (downloadProgressText!=null) {
            text="@ "+timestamp+"  "+downloadProgressText;
        }

        if (timestampView!=null) {
            timestampView.setText(text);
            timestampView.invalidate();
        }

    }

    private void updateSeekBar() {
        if (seekBar!=null) {
            seekBar.setProgress(SeekBarUtil.getSeekBarValueFromFrameNumber(player.getCurrentFrame(),
                    pageService.getTestbedParsedPage().getAllTestbedImages().size()));
        }
    }


  @Override
  public boolean onTouchEvent(MotionEvent event) {

        gestureDetector.onTouchEvent(event);
        scaleDetector.onTouchEvent(event);
        boundsUtil.calculateNewBounds(event);

        return true;
  }





    /*
    * ============
    * Setters and getters
    * ============
    */

    public void updateBounds(Rect bounds) {
        if (bounds==null) {
            boundsUtil.initializeBounds();
        } else {
            boundsUtil.setBounds(bounds);
        }
    }

    public void setMunicipalities(List<Municipality> municipalities) {
        this.municipalities = municipalities;
        canvasUtil.setMunicipalitiesOnScreen(new HashMap<Municipality, Point2D.Double>());
    }

    @AfterInject
    void injectRoboGuiceDependencies() {
        MainApplication.getApplication().getInjector().injectMembers(this);
    }

}
Java Source Code List
