Android Open Source - Dust514SkirmishMaps Spine Crescent Activity

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Back to project page Dust514SkirmishMaps.

License

The source code is released under:

Apache License

Java Source Code

/*******************************************************************************
 * Copyright 2011, 2012 Chris Banes.//w  ww .j  a v  a  2  s. c om
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
package net.skink.dustmapsactivity;

import uk.co.senab.photoview.PhotoViewAttacher;
import uk.co.senab.photoview.PhotoViewAttacher.OnMatrixChangedListener;
import uk.co.senab.photoview.PhotoViewAttacher.OnPhotoTapListener;
import android.app.Activity;
import android.graphics.RectF;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;
import android.widget.TextView;
import android.widget.Toast;

public class SpineCrescentActivity extends Activity {

  static final String PHOTO_TAP_TOAST_STRING = "Photo Tap! X: %.2f %% Y:%.2f %%";

  private ImageView mImageView;
  private TextView mCurrMatrixTv;

  private PhotoViewAttacher mAttacher;

  private Toast mCurrentToast;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mImageView = (ImageView) findViewById(R.id.iv_photo);
    mCurrMatrixTv = (TextView) findViewById(R.id.tv_current_matrix);

    Drawable bitmap = getResources().getDrawable(R.drawable.spine_crescent);
    mImageView.setImageDrawable(bitmap);

    // The MAGIC happens here!
    mAttacher = new PhotoViewAttacher(mImageView);

    // Lets attach some listeners, not required though!
    mAttacher.setOnMatrixChangeListener(new MatrixChangeListener());
    mAttacher.setOnPhotoTapListener(new PhotoTapListener());
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.main_menu, menu);
    return super.onCreateOptionsMenu(menu);
  }

  @Override
  public void onDestroy() {
    super.onDestroy();

    // Need to call clean-up
    mAttacher.cleanup();
  }

  @Override
  public boolean onPrepareOptionsMenu(Menu menu) {
    MenuItem zoomToggle = menu.findItem(R.id.menu_zoom_toggle);
    zoomToggle.setTitle(mAttacher.canZoom() ? R.string.menu_zoom_disable : R.string.menu_zoom_enable);

    return super.onPrepareOptionsMenu(menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
      case R.id.menu_zoom_toggle:
        mAttacher.setZoomable(!mAttacher.canZoom());
        return true;

      case R.id.menu_scale_fit_center:
        mAttacher.setScaleType(ScaleType.FIT_CENTER);
        return true;

      case R.id.menu_scale_fit_start:
        mAttacher.setScaleType(ScaleType.FIT_START);
        return true;

      case R.id.menu_scale_fit_end:
        mAttacher.setScaleType(ScaleType.FIT_END);
        return true;

      case R.id.menu_scale_fit_xy:
        mAttacher.setScaleType(ScaleType.FIT_XY);
        return true;

      case R.id.menu_scale_scale_center:
        mAttacher.setScaleType(ScaleType.CENTER);
        return true;

      case R.id.menu_scale_scale_center_crop:
        mAttacher.setScaleType(ScaleType.CENTER_CROP);
        return true;

      case R.id.menu_scale_scale_center_inside:
        mAttacher.setScaleType(ScaleType.CENTER_INSIDE);
        return true;
    }

    return super.onOptionsItemSelected(item);
  }

  private class PhotoTapListener implements OnPhotoTapListener {

    @Override
    public void onPhotoTap(View view, float x, float y) {
      float xPercentage = x * 100f;
      float yPercentage = y * 100f;

      if (null != mCurrentToast) {
        mCurrentToast.cancel();
      }

      mCurrentToast = Toast.makeText(SpineCrescentActivity.this,
          String.format(PHOTO_TAP_TOAST_STRING, xPercentage, yPercentage), Toast.LENGTH_SHORT);
      mCurrentToast.show();
    }
  }

  private class MatrixChangeListener implements OnMatrixChangedListener {

    @Override
    public void onMatrixChanged(RectF rect) {
      mCurrMatrixTv.setText(rect.toString());
    }
  }

}

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