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      1 package com.example.android.apis.app;
      2 /*
      3  * Copyright (C) 2013 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 import android.app.Activity;
     19 import android.graphics.Bitmap;
     20 import android.graphics.drawable.BitmapDrawable;
     21 import android.os.Bundle;
     22 import android.print.PrintManager;
     23 import android.support.v4.print.PrintHelper;
     24 import android.view.Menu;
     25 import android.view.MenuItem;
     26 import android.webkit.WebView;
     27 import android.widget.ImageView;
     28 
     29 import com.example.android.apis.R;
     30 
     31 /**
     32  * This class demonstrates how to implement bitmap printing.
     33  * <p>
     34  * This activity shows an image and offers a print option in the overflow
     35  * menu. When the user chooses to print a helper class from the support
     36  * library is used to print the image.
     37  * </p>
     38  *
     39  * @see PrintManager
     40  * @see WebView
     41  */
     42 public class PrintBitmap extends Activity {
     43 
     44     private ImageView mImageView;
     45 
     46     @Override
     47     protected void onCreate(Bundle savedInstanceState) {
     48         super.onCreate(savedInstanceState);
     49         setContentView(R.layout.print_bitmap);
     50         mImageView = (ImageView) findViewById(R.id.image);
     51     }
     52 
     53     @Override
     54     public boolean onCreateOptionsMenu(Menu menu) {
     55         super.onCreateOptionsMenu(menu);
     56         getMenuInflater().inflate(R.menu.print_custom_content, menu);
     57         return true;
     58     }
     59 
     60     @Override
     61     public boolean onOptionsItemSelected(MenuItem item) {
     62         if (item.getItemId() == R.id.menu_print) {
     63             print();
     64             return true;
     65         }
     66         return super.onOptionsItemSelected(item);
     67     }
     68 
     69     private void print() {
     70         // Get the print manager.
     71         PrintHelper printHelper = new PrintHelper(this);
     72 
     73         // Set the desired scale mode.
     74         printHelper.setScaleMode(PrintHelper.SCALE_MODE_FIT);
     75 
     76         // Get the bitmap for the ImageView's drawable.
     77         Bitmap bitmap = ((BitmapDrawable) mImageView.getDrawable()).getBitmap();
     78 
     79         // Print the bitmap.
     80         printHelper.printBitmap("Print Bitmap", bitmap);
     81     }
     82 }
     83