Android Open Source - vk-android-sdk V K U I Helper

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License

The source code is released under:

MIT License

Java Source Code

//
//  Copyright (c) 2014 VK.com
//// www.j av  a2s .  c  o m
//  Permission is hereby granted, free of charge, to any person obtaining a copy of
//  this software and associated documentation files (the "Software"), to deal in
//  the Software without restriction, including without limitation the rights to
//  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
//  the Software, and to permit persons to whom the Software is furnished to do so,
//  subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in all
//  copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
//  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
//  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
//  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

package com.vk.sdk;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;

/**
 * Class for VK authorization and dialogs helping
 */
public class VKUIHelper {
  private static Activity sTopActivity;
  private static Context  sApplicationContext;

  public static Activity getTopActivity()
  {
    return sTopActivity;
  }
  public static Context getApplicationContext() { return sApplicationContext; }
  /**
   * Call it in onCreate for of activities where you using VK SDK
   * @param activity Your activity
   */
  public static void onCreate(Activity activity)
  {
    if (sTopActivity != activity)
      sTopActivity = activity;
    if (sApplicationContext == null && activity != null) {
      sApplicationContext = activity.getApplicationContext();
    }
  }

  /**
   * Call it in onResume for of activities where you using VK SDK
   * @param activity Your activity
   */
  public static void onResume(Activity activity)
  {
    if (sTopActivity != activity)
      sTopActivity = activity;
    if (sApplicationContext == null && activity != null) {
      sApplicationContext = activity.getApplicationContext();
    }
  }

  /**
   * Call it in onDestroy for of activities where you using VK SDK
   * @param activity Your activity
   */
  public static void onDestroy(Activity activity)
  {
    if (sTopActivity == activity)
      sTopActivity = null;
  }

  /**
   * Call it in onActivityResult of all activities where you using VK SDK
   * @param requestCode Request code for startActivityForResult
   * @param resultCode Result code of finished activity
   * @param data Result data
   * @deprecated Use onActivityResult(Activity activity, int requestCode, int resultCode, Intent data) instead
   */
  public static void onActivityResult(int requestCode, int resultCode, Intent data)
  {
    onActivityResult(sTopActivity, requestCode, resultCode, data);
    }

    /**
     * Call it in onActivityResult of all activities where you using VK SDK
     * @param requestCode Request code for startActivityForResult
     * @param resultCode Result code of finished activity
     * @param data Result data
     */
    public static void onActivityResult(Activity activity, int requestCode, int resultCode, Intent data) {
        sTopActivity = activity;
        if (requestCode == VKSdk.VK_SDK_REQUEST_CODE) {
            VKSdk.processActivityResult(requestCode, resultCode, data);
        }
    }
    public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int maxHeight,  int pixels) {
        if (bitmap == null) return bitmap;
        maxHeight = (int)(getApplicationContext().getResources().getDisplayMetrics().density * maxHeight);
        float scale = bitmap.getHeight() * 1.0f / maxHeight;
        int newWidth = (int)(bitmap.getWidth() / scale);

        Bitmap output = Bitmap.createBitmap(newWidth, maxHeight, Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(output);

        final int color = 0xffffffff;
        final Paint paint = new Paint();
        final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
        final Rect dstRect = new Rect(0, 0, newWidth, maxHeight);
        final RectF rectF = new RectF(dstRect);

        paint.setAntiAlias(true);
        canvas.drawARGB(0, 0, 0, 0);
        paint.setColor(color);
        canvas.drawRoundRect(rectF, (float) pixels, (float) pixels, paint);

        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
        canvas.drawBitmap(bitmap, rect, dstRect, paint);

        return output;
    }
}

Java Source Code List

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