android.graphics.pdf.PdfDocument.Page#android.print.PrintDocumentAdapter源码实例Demo

/**
 * Print the current web site
 */
@RequiresApi(19)
public void printWebView(@Nullable PrintListener listener) {
    PrintManager printManager = (PrintManager) getContext().getSystemService(Context.PRINT_SERVICE);
    PrintDocumentAdapter printAdapter = createPrintDocumentAdapter();
    PrintAttributes.Builder builder = new PrintAttributes.Builder();
    builder.setMediaSize(PrintAttributes.MediaSize.NA_LETTER);
    if (printManager != null) {
        PrintJob printJob = printManager.print(getTitle(), printAdapter, builder.build());
        if (listener!=null) {
            if(printJob.isCompleted()){
                listener.onSuccess();
            } else {
                listener.onFailed();
            }
        }
    } else {
        if (listener != null) {
            listener.onFailed();
        }
    }
}
 

private void printNote() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        PrintManager printManager = (PrintManager) activity.getSystemService(Context.PRINT_SERVICE);
        String jobName = getString(R.string.app_name) + " Document";

        // GitHub issue 197
        if(editor != null){
            PrintDocumentAdapter printAdapter = editor.createPrintDocumentAdapter();
            printManager.print(jobName, printAdapter, new PrintAttributes.Builder().build());
        }else if(editText != null){
            printEditText(jobName);
        }else{
            Toast.makeText(activity, R.string.empty_note_description, Toast.LENGTH_LONG).show();
        }

    }
}
 

/**
 * Print a {@link WebView}'s contents, also allows to create a PDF
 *
 * @param webview WebView
 * @param jobName Name of the job (affects PDF name too)
 * @return {{@link PrintJob}} or null
 */
@RequiresApi(api = Build.VERSION_CODES.KITKAT)
@SuppressWarnings("deprecation")
public PrintJob print(WebView webview, String jobName) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        PrintDocumentAdapter printAdapter;
        PrintManager printManager = (PrintManager) webview.getContext().getSystemService(Context.PRINT_SERVICE);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            printAdapter = webview.createPrintDocumentAdapter(jobName);
        } else {
            printAdapter = webview.createPrintDocumentAdapter();
        }
        if (printManager != null) {
            return printManager.print(jobName, printAdapter, new PrintAttributes.Builder().build());
        }
    } else {
        Log.e(getClass().getName(), "ERROR: Method called on too low Android API version");
    }
    return null;
}
 

private void genPdfFile() {
    PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);

    // Get a print adapter instance
    PrintDocumentAdapter printAdapter;
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
        printAdapter = mWebView.createPrintDocumentAdapter("my.pdf");
    } else {
        printAdapter = mWebView.createPrintDocumentAdapter();
    }

    // Create a print job with name and adapter instance
    String jobName = getString(R.string.app_name) + " Document";

    PrintAttributes attributes = new PrintAttributes.Builder()
            .setMediaSize(PrintAttributes.MediaSize.ISO_A4)
            .setResolution(new PrintAttributes.Resolution("id", Context.PRINT_SERVICE, 200, 200))
            .setColorMode(PrintAttributes.COLOR_MODE_COLOR)
            .setMinMargins(PrintAttributes.Margins.NO_MARGINS)
            .build();

    printManager.print(jobName, printAdapter, attributes);


}
 

private void createWebPrintJob(WebView webView) {

        // Get a PrintManager instance
        PrintManager printManager = (PrintManager) getActivity()
                .getSystemService(Context.PRINT_SERVICE);

        // Get a print adapter instance
        PrintDocumentAdapter printAdapter = webView.createPrintDocumentAdapter();

        // Create a print job with name and adapter instance
        String jobName = getString(R.string.app_name) + " Document";
        PrintJob printJob = printManager.print(jobName, printAdapter,
                new PrintAttributes.Builder().build());
    }
 

private void print_page(WebView view, String print_name, boolean manual) {
	PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
	PrintDocumentAdapter printAdapter = view.createPrintDocumentAdapter(print_name);
	PrintAttributes.Builder builder = new PrintAttributes.Builder();
	builder.setMediaSize(PrintAttributes.MediaSize.ISO_A5);
	PrintJob printJob = printManager.print(print_name, printAdapter, builder.build());

	if(printJob.isCompleted()){
		Toast.makeText(getApplicationContext(), R.string.print_complete, Toast.LENGTH_LONG).show();
	}
	else if(printJob.isFailed()){
		Toast.makeText(getApplicationContext(), R.string.print_failed, Toast.LENGTH_LONG).show();
	}
}
 

/**
 * Print a {@link WebView}'s contents, also allows to create a PDF
 *
 * @param webview WebView
 * @param jobName Name of the job (affects PDF name too)
 * @return {{@link PrintJob}} or null
 */
@RequiresApi(api = Build.VERSION_CODES.KITKAT)
public PrintJob print(final WebView webview, final String jobName, final boolean... landscape) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        final PrintDocumentAdapter printAdapter;
        final PrintManager printManager = (PrintManager) _context.getSystemService(Context.PRINT_SERVICE);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            printAdapter = webview.createPrintDocumentAdapter(jobName);
        } else {
            printAdapter = webview.createPrintDocumentAdapter();
        }
        final PrintAttributes.Builder attrib = new PrintAttributes.Builder();
        if (landscape != null && landscape.length > 0 && landscape[0]) {
            attrib.setMediaSize(new PrintAttributes.MediaSize("ISO_A4", "android", 11690, 8270));
            attrib.setMinMargins(new PrintAttributes.Margins(0, 0, 0, 0));
        }
        if (printManager != null) {
            try {
                return printManager.print(jobName, printAdapter, attrib.build());
            } catch (Exception ignored) {
            }
        }
    } else {
        Log.e(getClass().getName(), "ERROR: Method called on too low Android API version");
    }
    return null;
}
 

/**
 * Print a {@link WebView}'s contents, also allows to create a PDF
 *
 * @param webview WebView
 * @param jobName Name of the job (affects PDF name too)
 * @return {{@link PrintJob}} or null
 */
@RequiresApi(api = Build.VERSION_CODES.KITKAT)
public PrintJob print(final WebView webview, final String jobName, final boolean... landscape) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        final PrintDocumentAdapter printAdapter;
        final PrintManager printManager = (PrintManager) _context.getSystemService(Context.PRINT_SERVICE);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            printAdapter = webview.createPrintDocumentAdapter(jobName);
        } else {
            printAdapter = webview.createPrintDocumentAdapter();
        }
        final PrintAttributes.Builder attrib = new PrintAttributes.Builder();
        if (landscape != null && landscape.length > 0 && landscape[0]) {
            attrib.setMediaSize(new PrintAttributes.MediaSize("ISO_A4", "android", 11690, 8270));
            attrib.setMinMargins(new PrintAttributes.Margins(0, 0, 0, 0));
        }
        if (printManager != null) {
            try {
                return printManager.print(jobName, printAdapter, attrib.build());
            } catch (Exception ignored) {
            }
        }
    } else {
        Log.e(getClass().getName(), "ERROR: Method called on too low Android API version");
    }
    return null;
}
 

private void createWebPrintJob(WebView webView, String jobName) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        // Get a PrintManager instance
        PrintManager printManager = (PrintManager) getActivity()
                .getSystemService(Context.PRINT_SERVICE);

        // Get a print adapter instance
        PrintDocumentAdapter printAdapter = webView.createPrintDocumentAdapter();

        // Create a print job with name and adapter instance
        PrintJob printJob = printManager.print(jobName, printAdapter,
                new PrintAttributes.Builder().build());
    }
}
 

/**
 * Starts a print job for the given WebView
 *
 * Source: https://developer.android.com/training/printing/html-docs.html
 *
 * @param v the WebView to be printed
 */
@TargetApi(Build.VERSION_CODES.KITKAT)
private void createWebPrintJob(WebView v) {
    // Get a PrintManager instance
    PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);

    // Get a print adapter instance
    PrintDocumentAdapter printAdapter = new PrintDocumentAdapterWrapper(this, v.createPrintDocumentAdapter());

    // Create a print job with name and adapter instance
    printJob = printManager.print(jobName, printAdapter, new PrintAttributes.Builder().build());
}
 

@SuppressWarnings("deprecation")
@TargetApi(Build.VERSION_CODES.KITKAT)
private void createWebPrintJob(WebView webView) {
    // Get a PrintManager instance
    PrintManager printManager = (PrintManager) getSystemService(PRINT_SERVICE);

    // Get a print adapter instance
    PrintDocumentAdapter printAdapter = webView.createPrintDocumentAdapter();

    // Create a print job with name and adapter instance
    String jobName = getString(R.string.document, getString(R.string.app_name));
    printManager.print(jobName, printAdapter,
            new PrintAttributes.Builder().build());
}
 

/**
 * @deprecated Use {@link #createPrintDocumentAdapter(String)} which requires user
 *             to provide a print document name.
 */
@Deprecated
public PrintDocumentAdapter createPrintDocumentAdapter() {
    checkThread();
    return mProvider.createPrintDocumentAdapter("default");
}
 

@Override
public void print(String printJobName, PrintDocumentAdapter documentAdapter,
        PrintAttributes attributes) {
    dumpJobStatesForDebug();
    mPrintManager.print(printJobName, documentAdapter, attributes);
}
 

public PrintDocumentAdapterWrapper(Activity activity, PrintDocumentAdapter adapter) {
    super();
    this.activity = activity;
    this.delegate = adapter;
}
 

/**
 * Creates a PrintDocumentAdapter that provides the content of this WebView for printing.
 *
 * The adapter works by converting the WebView contents to a PDF stream. The WebView cannot
 * be drawn during the conversion process - any such draws are undefined. It is recommended
 * to use a dedicated off screen WebView for the printing. If necessary, an application may
 * temporarily hide a visible WebView by using a custom PrintDocumentAdapter instance
 * wrapped around the object returned and observing the onStart and onFinish methods. See
 * {@link android.print.PrintDocumentAdapter} for more information.
 *
 * @param documentName  The user-facing name of the printed document. See
 *                      {@link android.print.PrintDocumentInfo}
 */
public PrintDocumentAdapter createPrintDocumentAdapter(String documentName) {
    checkThread();
    return mProvider.createPrintDocumentAdapter(documentName);
}
 

/**
 * Same as {@link android.print.PrintManager#print}, except this doesn't return a
 * {@link android.print.PrintJob} since the clients don't need it.
 */
void print(String printJobName,
           PrintDocumentAdapter documentAdapter,
           PrintAttributes attributes);
 

public PrintDocumentAdapter createPrintDocumentAdapter(String documentName);