下面列出了android.graphics.pdf.PdfDocument#finishPage ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Writes given PDFDocument using content views.
*
* @param pdfDocument PDFDocument to be written.
*/
private void writePDFDocument(final PdfDocument pdfDocument) {
for (int i = 0; i < mContentViews.size(); i++) {
//Get Content View.
View contentView = mContentViews.get(i);
// crate a page description
PdfDocument.PageInfo pageInfo = new PdfDocument.PageInfo.
Builder((int) PDF_PAGE_WIDTH, (int) PDF_PAGE_HEIGHT, i + 1).create();
// start a page
PdfDocument.Page page = pdfDocument.startPage(pageInfo);
// draw view on the page
Canvas pageCanvas = page.getCanvas();
pageCanvas.scale(1f, 1f);
int pageWidth = pageCanvas.getWidth();
int pageHeight = pageCanvas.getHeight();
int measureWidth = View.MeasureSpec.makeMeasureSpec(pageWidth, View.MeasureSpec.EXACTLY);
int measuredHeight = View.MeasureSpec.makeMeasureSpec(pageHeight, View.MeasureSpec.EXACTLY);
contentView.measure(measureWidth, measuredHeight);
contentView.layout(0, 0, pageWidth, pageHeight);
contentView.draw(pageCanvas);
// finish the page
pdfDocument.finishPage(page);
}
}
@Override
protected Boolean doInBackground(Void... params) {
PdfDocument document = new PdfDocument();
ParcelFileDescriptor pfd = null;
try {
PdfDocument.PageInfo pageInfo = new PdfDocument.PageInfo.Builder(640, 640 * 9 / 16, 1).create();
for (Slide slide : store.getState().slides()) {
PdfDocument.Page page = document.startPage(pageInfo);
page.getCanvas().drawColor(Style.COLOR_SCHEMES[store.getState().colorScheme()][1]);
slide.render(mContext,
page.getCanvas(),
page.getCanvas().getWidth(), page.getCanvas().getHeight(),
Style.SLIDE_FONT,
Style.COLOR_SCHEMES[App.getState().colorScheme()][0],
Style.COLOR_SCHEMES[App.getState().colorScheme()][1],
true);
document.finishPage(page);
}
pfd = mContext.getContentResolver().openFileDescriptor(uri, "w");
if (pfd != null) {
FileOutputStream fos = new FileOutputStream(pfd.getFileDescriptor());
document.writeTo(fos);
return true;
} else {
return false;
}
} catch (IOException e) {
e.printStackTrace();
return false;
} finally {
document.close();
if (pfd != null) {
try { pfd.close(); } catch (IOException ignored) {}
}
}
}
public static void exportPDF(Context ctx, Times times, @NonNull LocalDate from, @NonNull LocalDate to) throws IOException {
PdfDocument document = new PdfDocument();
PdfDocument.PageInfo pageInfo;
int pw = 595;
int ph = 842;
pageInfo = new PdfDocument.PageInfo.Builder(pw, ph, 1).create();
PdfDocument.Page page = document.startPage(pageInfo);
Drawable launcher = Drawable.createFromStream(ctx.getAssets().open("pdf/launcher.png"), null);
Drawable qr = Drawable.createFromStream(ctx.getAssets().open("pdf/qrcode.png"), null);
Drawable badge =
Drawable.createFromStream(ctx.getAssets().open("pdf/badge_" + LocaleUtils.getLanguage("en", "de", "tr", "fr", "ar") + ".png"),
null);
launcher.setBounds(30, 30, 30 + 65, 30 + 65);
qr.setBounds(pw - 30 - 65, 30 + 65 + 5, pw - 30, 30 + 65 + 5 + 65);
int w = 100;
int h = w * badge.getIntrinsicHeight() / badge.getIntrinsicWidth();
badge.setBounds(pw - 30 - w, 30 + (60 / 2 - h / 2), pw - 30, 30 + (60 / 2 - h / 2) + h);
Canvas canvas = page.getCanvas();
Paint paint = new Paint();
paint.setARGB(255, 0, 0, 0);
paint.setTextSize(10);
paint.setTextAlign(Paint.Align.CENTER);
canvas.drawText("com.metinkale.prayer", pw - 30 - w / 2f, 30 + (60 / 2f - h / 2f) + h + 10, paint);
launcher.draw(canvas);
qr.draw(canvas);
badge.draw(canvas);
paint.setARGB(255, 61, 184, 230);
canvas.drawRect(30, 30 + 60, pw - 30, 30 + 60 + 5, paint);
if (times.getSource().drawableId != 0) {
Drawable source = ctx.getResources().getDrawable(times.getSource().drawableId);
h = 65;
w = h * source.getIntrinsicWidth() / source.getIntrinsicHeight();
source.setBounds(30, 30 + 65 + 5, 30 + w, 30 + 65 + 5 + h);
source.draw(canvas);
}
paint.setARGB(255, 0, 0, 0);
paint.setTextSize(40);
paint.setTextAlign(Paint.Align.LEFT);
canvas.drawText(ctx.getText(R.string.appName).toString(), 30 + 65 + 5, 30 + 50, paint);
paint.setTextAlign(Paint.Align.CENTER);
paint.setFakeBoldText(true);
canvas.drawText(times.getName(), pw / 2.0f, 30 + 65 + 50, paint);
paint.setTextSize(12);
int y = 30 + 65 + 5 + 65 + 30;
int p = 30;
int cw = (pw - p - p) / 7;
canvas.drawText(ctx.getString(R.string.date), 30 + (0.5f * cw), y, paint);
canvas.drawText(FAJR.getString(), 30 + (1.5f * cw), y, paint);
canvas.drawText(Vakit.SUN.getString(), 30 + (2.5f * cw), y, paint);
canvas.drawText(Vakit.DHUHR.getString(), 30 + (3.5f * cw), y, paint);
canvas.drawText(Vakit.ASR.getString(), 30 + (4.5f * cw), y, paint);
canvas.drawText(Vakit.MAGHRIB.getString(), 30 + (5.5f * cw), y, paint);
canvas.drawText(Vakit.ISHAA.getString(), 30 + (6.5f * cw), y, paint);
paint.setFakeBoldText(false);
do {
y += 20;
canvas.drawText((from.toString("dd.MM.yyyy")), 30 + (0.5f * cw), y, paint);
canvas.drawText(times.getTime(from, FAJR.ordinal()).toLocalTime().toString(), 30 + (1.5f * cw), y, paint);
canvas.drawText(times.getTime(from, SUN.ordinal()).toLocalTime().toString(), 30 + (2.5f * cw), y, paint);
canvas.drawText(times.getTime(from, DHUHR.ordinal()).toLocalTime().toString(), 30 + (3.5f * cw), y, paint);
canvas.drawText(times.getTime(from, ASR.ordinal()).toLocalTime().toString(), 30 + (4.5f * cw), y, paint);
canvas.drawText(times.getTime(from, MAGHRIB.ordinal()).toLocalTime().toString(), 30 + (5.5f * cw), y, paint);
canvas.drawText(times.getTime(from, ISHAA.ordinal()).toLocalTime().toString(), 30 + (6.5f * cw), y, paint);
} while (!(from = from.plusDays(1)).isAfter(to));
document.finishPage(page);
File outputDir = ctx.getCacheDir();
if (!outputDir.exists())
outputDir.mkdirs();
File outputFile = new File(outputDir, times.getName().replace(" ", "_") + ".pdf");
if (outputFile.exists())
outputFile.delete();
FileOutputStream outputStream = new FileOutputStream(outputFile);
document.writeTo(outputStream);
document.close();
Intent shareIntent = new Intent();
shareIntent.setAction(Intent.ACTION_SEND);
shareIntent.setType("application/pdf");
Uri uri = FileProvider.getUriForFile(ctx, ctx.getString(R.string.FILE_PROVIDER_AUTHORITIES), outputFile);
shareIntent.putExtra(Intent.EXTRA_STREAM, uri);
ctx.startActivity(Intent.createChooser(shareIntent, ctx.getResources().getText(R.string.export)));
}
public static void exportPDF(Context ctx, Times times, @NonNull LocalDate from, @NonNull LocalDate to) throws IOException {
PdfDocument document = new PdfDocument();
PdfDocument.PageInfo pageInfo;
int pw = 595;
int ph = 842;
pageInfo = new PdfDocument.PageInfo.Builder(pw, ph, 1).create();
PdfDocument.Page page = document.startPage(pageInfo);
Drawable launcher = Drawable.createFromStream(ctx.getAssets().open("pdf/launcher.png"), null);
Drawable qr = Drawable.createFromStream(ctx.getAssets().open("pdf/qrcode.png"), null);
Drawable badge =
Drawable.createFromStream(ctx.getAssets().open("pdf/badge_" + LocaleUtils.getLanguage("en", "de", "tr", "fr", "ar") + ".png"),
null);
launcher.setBounds(30, 30, 30 + 65, 30 + 65);
qr.setBounds(pw - 30 - 65, 30 + 65 + 5, pw - 30, 30 + 65 + 5 + 65);
int w = 100;
int h = w * badge.getIntrinsicHeight() / badge.getIntrinsicWidth();
badge.setBounds(pw - 30 - w, 30 + (60 / 2 - h / 2), pw - 30, 30 + (60 / 2 - h / 2) + h);
Canvas canvas = page.getCanvas();
Paint paint = new Paint();
paint.setARGB(255, 0, 0, 0);
paint.setTextSize(10);
paint.setTextAlign(Paint.Align.CENTER);
canvas.drawText("com.metinkale.prayer", pw - 30 - w / 2f, 30 + (60 / 2f - h / 2f) + h + 10, paint);
launcher.draw(canvas);
qr.draw(canvas);
badge.draw(canvas);
paint.setARGB(255, 61, 184, 230);
canvas.drawRect(30, 30 + 60, pw - 30, 30 + 60 + 5, paint);
if (times.getSource().drawableId != 0) {
Drawable source = ctx.getResources().getDrawable(times.getSource().drawableId);
h = 65;
w = h * source.getIntrinsicWidth() / source.getIntrinsicHeight();
source.setBounds(30, 30 + 65 + 5, 30 + w, 30 + 65 + 5 + h);
source.draw(canvas);
}
paint.setARGB(255, 0, 0, 0);
paint.setTextSize(40);
paint.setTextAlign(Paint.Align.LEFT);
canvas.drawText(ctx.getText(R.string.appName).toString(), 30 + 65 + 5, 30 + 50, paint);
paint.setTextAlign(Paint.Align.CENTER);
paint.setFakeBoldText(true);
canvas.drawText(times.getName(), pw / 2.0f, 30 + 65 + 50, paint);
paint.setTextSize(12);
int y = 30 + 65 + 5 + 65 + 30;
int p = 30;
int cw = (pw - p - p) / 7;
canvas.drawText(ctx.getString(R.string.date), 30 + (0.5f * cw), y, paint);
canvas.drawText(FAJR.getString(), 30 + (1.5f * cw), y, paint);
canvas.drawText(Vakit.SUN.getString(), 30 + (2.5f * cw), y, paint);
canvas.drawText(Vakit.DHUHR.getString(), 30 + (3.5f * cw), y, paint);
canvas.drawText(Vakit.ASR.getString(), 30 + (4.5f * cw), y, paint);
canvas.drawText(Vakit.MAGHRIB.getString(), 30 + (5.5f * cw), y, paint);
canvas.drawText(Vakit.ISHAA.getString(), 30 + (6.5f * cw), y, paint);
paint.setFakeBoldText(false);
do {
y += 20;
canvas.drawText((from.toString("dd.MM.yyyy")), 30 + (0.5f * cw), y, paint);
canvas.drawText(times.getTime(from, FAJR.ordinal()).toLocalTime().toString(), 30 + (1.5f * cw), y, paint);
canvas.drawText(times.getTime(from, SUN.ordinal()).toLocalTime().toString(), 30 + (2.5f * cw), y, paint);
canvas.drawText(times.getTime(from, DHUHR.ordinal()).toLocalTime().toString(), 30 + (3.5f * cw), y, paint);
canvas.drawText(times.getTime(from, ASR.ordinal()).toLocalTime().toString(), 30 + (4.5f * cw), y, paint);
canvas.drawText(times.getTime(from, MAGHRIB.ordinal()).toLocalTime().toString(), 30 + (5.5f * cw), y, paint);
canvas.drawText(times.getTime(from, ISHAA.ordinal()).toLocalTime().toString(), 30 + (6.5f * cw), y, paint);
} while (!(from = from.plusDays(1)).isAfter(to));
document.finishPage(page);
File outputDir = ctx.getCacheDir();
if (!outputDir.exists())
outputDir.mkdirs();
File outputFile = new File(outputDir, times.getName().replace(" ", "_") + ".pdf");
if (outputFile.exists())
outputFile.delete();
FileOutputStream outputStream = new FileOutputStream(outputFile);
document.writeTo(outputStream);
document.close();
Intent shareIntent = new Intent();
shareIntent.setAction(Intent.ACTION_SEND);
shareIntent.setType("application/pdf");
Uri uri = FileProvider.getUriForFile(ctx, ctx.getString(R.string.FILE_PROVIDER_AUTHORITIES), outputFile);
shareIntent.putExtra(Intent.EXTRA_STREAM, uri);
ctx.startActivity(Intent.createChooser(shareIntent, ctx.getResources().getText(R.string.export)));
}