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/*
* Copyright (C) 2013 The Android Open Source Project
*
* 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 com.example.android.apis.app;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.print.PrintManager;
import android.view.Menu;
import android.view.MenuItem;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import com.example.android.apis.R;
/**
* This class demonstrates how to implement HTML content printing
* from a {@link WebView} which is shown on the screen.
* <p>
* This activity shows a simple HTML content in a {@link WebView}
* and allows the user to print that content via an action in the
* action bar. The shown {@link WebView} is doing the printing.
* </p>
*
* @see PrintManager
* @see WebView
*/
public class PrintHtmlFromScreen extends Activity {
private WebView mWebView;
private boolean mDataLoaded;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.print_html_from_screen);
mWebView = (WebView) findViewById(R.id.web_view);
// Important: Only enable the print option after the page is loaded.
mWebView.setWebViewClient(new WebViewClient() {
@Override
public void onPageFinished(WebView view, String url) {
// Data loaded, so now we want to show the print option.
mDataLoaded = true;
invalidateOptionsMenu();
}
});
// Load an HTML page.
mWebView.loadUrl("file:///android_res/raw/motogp_stats.html");
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
if (mDataLoaded) {
getMenuInflater().inflate(R.menu.print_custom_content, menu);
}
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == R.id.menu_print) {
print();
return true;
}
return super.onOptionsItemSelected(item);
}
private void print() {
// Get the print manager.
PrintManager printManager = (PrintManager) getSystemService(
Context.PRINT_SERVICE);
// Pass in the ViewView's document adapter.
printManager.print("MotoGP stats", mWebView.createPrintDocumentAdapter(), null);
}
}
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