【发布时间】：2017-06-09 11:14:39
【问题描述】：
我正在尝试生成 pdf。我也成功生成了 pdf，但我的应用程序在创建 pdf 后关闭。我搜索但没有找到任何答案。我按照这个链接 Creating a pdf file in android programmatically and writing in it 我不想关闭我的应用程序并在 pdfviewer 中查看 pdf 这是我的代码
private void createPDF(ArrayList<Searchresult> alllist) {
com.itextpdf.text.Document doc= new com.itextpdf.text.Document(PageSize.A4,50,50,50,50);
try {
String USER_PASS = "hasu123";
String OWNER_PASS = "vnr123";
String path = Environment.getExternalStorageDirectory().getAbsolutePath() + "/Dir";
File dir = new File(path);
if(!dir.exists())
dir.mkdirs();
File file = new File(dir, "newFile.pdf");
FileOutputStream fOut = new FileOutputStream(file);
PdfWriter writer=PdfWriter.getInstance(doc, fOut);
/* writer.setEncryption(USER_PASS.getBytes(), OWNER_PASS.getBytes(),
PdfWriter.ALLOW_PRINTING, PdfWriter.ENCRYPTION_AES_128);*/
HeaderAndFooter event = new HeaderAndFooter();
writer.setPageEvent(event);
//open the document
doc.open();
/* PdfReader reader = new PdfReader(path);
PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(path));
stamper.setEncryption(USER_PASS.getBytes(),USER_PASS.getBytes(),
PdfWriter.ALLOW_PRINTING, PdfWriter.ENCRYPTION_AES_128 | PdfWriter.DO_NOT_ENCRYPT_METADATA);
stamper.close();
reader.close();*/
PdfPTable table = new PdfPTable(8);
Font subtitleFont = FontFactory.getFont("Times Roman",11, BaseColor.BLUE);
Font subtitle = FontFactory.getFont("Times Roman",7, BaseColor.BLACK);
PdfPCell pcell = new PdfPCell(new Phrase("Stoneid",subtitleFont));
pcell.setHorizontalAlignment(com.itextpdf.text.Element.ALIGN_CENTER);
table.addCell(pcell);
PdfPCell pcell2 = new PdfPCell(new Phrase("Shape",subtitleFont));
pcell2.setHorizontalAlignment(com.itextpdf.text.Element.ALIGN_CENTER);
table.addCell(pcell2);
PdfPCell pcell3 = new PdfPCell(new Phrase("Carat",subtitleFont));
pcell3.setHorizontalAlignment(com.itextpdf.text.Element.ALIGN_CENTER);
table.addCell(pcell3);
PdfPCell pcell4 = new PdfPCell(new Phrase("Color",subtitleFont));
pcell4.setHorizontalAlignment(com.itextpdf.text.Element.ALIGN_CENTER);
table.addCell(pcell4);
PdfPCell pcell5 = new PdfPCell(new Phrase("Clarity",subtitleFont));
pcell5.setHorizontalAlignment(com.itextpdf.text.Element.ALIGN_CENTER);
table.addCell(pcell5);
PdfPCell pcell6 = new PdfPCell(new Phrase("Cut",subtitleFont));
pcell6.setHorizontalAlignment(com.itextpdf.text.Element.ALIGN_CENTER);
table.addCell(pcell6);
PdfPCell pcell7 = new PdfPCell(new Phrase("Polish",subtitleFont));
pcell7.setHorizontalAlignment(com.itextpdf.text.Element.ALIGN_CENTER);
table.addCell(pcell7);
PdfPCell pcell8 = new PdfPCell(new Phrase("Symm",subtitleFont));
pcell8.setHorizontalAlignment(com.itextpdf.text.Element.ALIGN_CENTER);
table.addCell(pcell8);
table.setHeaderRows(1);
for (int i=0;i<alllist.size();i++){
String stoneid=alllist.get(i).getStoneid();
String shape=alllist.get(i).getShape();
String carat=alllist.get(i).getSize();
String color=alllist.get(i).getColor();
String cut=alllist.get(i).getCut();
String polish=alllist.get(i).getPolish();
String symmm=alllist.get(i).getSym();
String clarity=alllist.get(i).getClarity();
if(color.equalsIgnoreCase("")){
color="*"; // this fills the cell with * if the String is empty otherwise cell won't be created
}
if(stoneid.equalsIgnoreCase("")){
stoneid="*"; // this fills the cell with * if the String is empty otherwise cell won't be created
}
if(shape.equalsIgnoreCase("")){
shape="*"; // this fills the cell with * if the String is empty otherwise cell won't be created
}
if(carat.equalsIgnoreCase("")){
carat="*"; // this fills the cell with * if the String is empty otherwise cell won't be created
}
if(color.equalsIgnoreCase("")){
color="*"; // this fills the cell with * if the String is empty otherwise cell won't be created
}
if(cut.equalsIgnoreCase("")){
cut="*"; // this fills the cell with * if the String is empty otherwise cell won't be created
}
if(symmm.equalsIgnoreCase("")){
symmm="*"; // this fills the cell with * if the String is empty otherwise cell won't be created
}
if(polish.equalsIgnoreCase("")){
polish="*"; // this fills the cell with * if the String is empty otherwise cell won't be created
}
if(clarity.equalsIgnoreCase("")){
clarity="*"; // this fills the cell with * if the String is empty otherwise cell won't be created
}
table.addCell(createCel(stoneid,subtitle,com.itextpdf.text.Element.ALIGN_CENTER));
table.addCell(createCel(shape,subtitle,com.itextpdf.text.Element.ALIGN_CENTER));
table.addCell(createCel(carat,subtitle,com.itextpdf.text.Element.ALIGN_CENTER));
table.addCell(createCel(color,subtitle,com.itextpdf.text.Element.ALIGN_CENTER));
table.addCell(createCel(cut,subtitle,com.itextpdf.text.Element.ALIGN_CENTER));
table.addCell(createCel(symmm,subtitle,com.itextpdf.text.Element.ALIGN_CENTER));
table.addCell(createCel(polish,subtitle,com.itextpdf.text.Element.ALIGN_CENTER));
table.addCell(createCel(clarity,subtitle,com.itextpdf.text.Element.ALIGN_CENTER));
}
doc.add(table);
} catch (DocumentException de) {
Log.e("PDFCreator", "DocumentException:" + de);
} catch (IOException e) {
Log.e("PDFCreator", "ioException:" + e);
}
finally {
doc.close();
}
viewPdf("newFile.pdf", "Dir");
}
private PdfPCell createCel(String s, Font subtitle, int alignCenter) {
PdfPCell pdfPCel = new PdfPCell(new Phrase(s,subtitle));
pdfPCel.setHorizontalAlignment(alignCenter);
return pdfPCel;
}
private void viewPdf(String s, final String dir) {
new Thread() {
public void run() {
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
}
runOnUiThread(new Runnable() {
public void run() {
File file = new File(Environment.getExternalStorageDirectory() + "/" + dir + "/" + "newFile.pdf");
Intent target = new Intent(Intent.ACTION_VIEW);
//target.setPackage("com.adobe.reader");
target.setDataAndType(Uri.fromFile(file),"application/pdf");
target.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
Intent intent = Intent.createChooser(target, "Open File");
try {
startActivity(intent);
} catch (ActivityNotFoundException e) {
// Instruct the user to install a PDF reader here, or something
Toast.makeText(ResultDataNew.this, "No PDF Viewer is install", Toast.LENGTH_SHORT).show();
}
}
});
}
}.start();
}
这个日志猫：
06-09 07:21:37.993 1334-1334/? E/libprocessgroup: failed to make and chown /acct/uid_10011: Read-only file system
06-09 07:21:37.993 1334-1334/? W/Zygote: createProcessGroup failed, kernel missing CONFIG_CGROUP_CPUACCT?
06-09 07:21:37.993 1334-1334/? I/art: Late-enabling -Xcheck:jni
06-09 07:21:38.058 1334-1334/Abc.com W/System: ClassLoader referenced unknown path: /data/app/Abc.com-1/lib/x86
06-09 07:21:38.231 1334-1353/Abc.com D/OpenGLRenderer: Use EGL_SWAP_BEHAVIOR_PRESERVED: true
[ 06-09 07:21:38.236 1334: 1334 D/ ]
HostConnection::get() New Host Connection established 0xe9b1eb90, tid 1334
06-09 07:21:38.296 1334-1353/Abc.com D/libEGL: loaded /system/lib/egl/libEGL_emulation.so
06-09 07:21:38.297 1334-1353/Abc.com D/libEGL: loaded /system/lib/egl/libGLESv1_CM_emulation.so
06-09 07:21:38.310 1334-1353/Abc.com D/libEGL: loaded /system/lib/egl/libGLESv2_emulation.so
[ 06-09 07:21:38.329 1334: 1353 D/ ]
HostConnection::get() New Host Connection established 0xee952bc0, tid 1353
06-09 07:21:38.388 1334-1353/Abc.com I/OpenGLRenderer: Initialized EGL, version 1.4
06-09 07:21:38.464 1334-1353/Abc.com W/EGL_emulation: eglSurfaceAttrib not implemented
06-09 07:21:38.464 1334-1353/Abc.com W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xee9565a0, error=EGL_SUCCESS
06-09 07:21:42.143 1334-1334/Abc.com I/TextInputLayout: EditText added is not a TextInputEditText. Please switch to using that class instead.
06-09 07:21:42.149 1334-1334/Abc.com I/TextInputLayout: EditText added is not a TextInputEditText. Please switch to using that class instead.
06-09 07:21:42.225 1334-1353/Abc.com W/EGL_emulation: eglSurfaceAttrib not implemented
06-09 07:21:42.225 1334-1353/Abc.com W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xee956640, error=EGL_SUCCESS
06-09 07:21:42.633 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe8ec2150
06-09 07:21:52.584 1334-1353/Abc.com W/EGL_emulation: eglSurfaceAttrib not implemented
06-09 07:21:52.584 1334-1353/Abc.com W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xe9b3d840, error=EGL_SUCCESS
06-09 07:21:53.100 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe8ec2620
06-09 07:21:53.107 1334-1353/Abc.com D/OpenGLRenderer: endAllStagingAnimators on 0xde792000 (RippleDrawable) with handle 0xee952da0
06-09 07:21:54.178 1334-1353/Abc.com W/EGL_emulation: eglSurfaceAttrib not implemented
06-09 07:21:54.178 1334-1353/Abc.com W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xee9335c0, error=EGL_SUCCESS
06-09 07:21:54.885 1334-1334/Abc.com I/Choreographer: Skipped 39 frames! The application may be doing too much work on its main thread.
06-09 07:21:55.172 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe9ba5920
06-09 07:21:56.128 1334-1334/Abc.com E/shape: HEART,
06-09 07:21:57.511 1334-1353/Abc.com W/EGL_emulation: eglSurfaceAttrib not implemented
06-09 07:21:57.511 1334-1353/Abc.com W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xde4491a0, error=EGL_SUCCESS
06-09 07:21:58.203 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe8ec2620
06-09 07:22:02.868 1334-1353/Abc.com W/EGL_emulation: eglSurfaceAttrib not implemented
06-09 07:22:02.868 1334-1353/Abc.com W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xe8d61480, error=EGL_SUCCESS
06-09 07:22:02.927 1334-1353/Abc.com W/EGL_emulation: eglSurfaceAttrib not implemented
06-09 07:22:02.927 1334-1353/Abc.com W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xe8d613a0, error=EGL_SUCCESS
06-09 07:22:02.946 1334-1334/Abc.com E/RecyclerView: No adapter attached; skipping layout
06-09 07:22:03.136 1334-1334/Abc.com E/RecyclerView: No adapter attached; skipping layout
06-09 07:22:03.193 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe9ba5920
06-09 07:22:03.371 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe8ec2770
06-09 07:22:03.602 1334-1353/Abc.com W/EGL_emulation: eglSurfaceAttrib not implemented
06-09 07:22:03.602 1334-1353/Abc.com W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xde257ec0, error=EGL_SUCCESS
06-09 07:22:04.094 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe8ec2620
06-09 07:22:06.009 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfGraphics2D>
06-09 07:22:06.009 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfGraphics2D>
06-09 07:22:06.009 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfGraphics2D>
06-09 07:22:06.009 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfGraphics2D>
06-09 07:22:06.009 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfGraphics2D>
06-09 07:22:06.009 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfGraphics2D>
06-09 07:22:06.010 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfGraphics2D>
06-09 07:22:06.010 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfGraphics2D>
06-09 07:22:06.010 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfPrinterGraphics2D>
06-09 07:22:06.010 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfPrinterGraphics2D>
06-09 07:22:06.011 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfPrinterGraphics2D>
06-09 07:22:06.011 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfPrinterGraphics2D>
06-09 07:22:06.012 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfPrinterGraphics2D>
06-09 07:22:06.013 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfPrinterGraphics2D>
06-09 07:22:06.017 1334-1334/Abc.com I/art: Rejecting re-init on previously-failed class java.lang.Class<com.itextpdf.awt.PdfPrinterGraphics2D>
06-09 07:22:06.242 1334-1353/Abc.com W/EGL_emulation: eglSurfaceAttrib not implemented
06-09 07:22:06.242 1334-1353/Abc.com W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xde0bd5c0, error=EGL_SUCCESS
06-09 07:22:06.401 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe8ec2380
06-09 07:22:06.409 1334-1353/Abc.com D/OpenGLRenderer: endAllStagingAnimators on 0xde146600 (RippleDrawable) with handle 0xe8d3b660
06-09 07:22:09.669 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe8ec2150
06-09 07:22:16.830 1334-1353/Abc.com W/EGL_emulation: eglSurfaceAttrib not implemented
06-09 07:22:16.830 1334-1353/Abc.com W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xe8d614a0, error=EGL_SUCCESS
这里是错误Logcat：
06-09 07:21:37.993 1334-1334/? E/libprocessgroup: failed to make and chown /acct/uid_10011: Read-only file system
06-09 07:21:42.633 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe8ec2150
06-09 07:21:53.100 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe8ec2620
06-09 07:21:55.172 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe9ba5920
06-09 07:21:56.128 1334-1334/Abc.com E/shape: HEART,
06-09 07:21:58.203 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe8ec2620
06-09 07:22:02.946 1334-1334/Abc.com E/RecyclerView: No adapter attached; skipping layout
06-09 07:22:03.136 1334-1334/Abc.com E/RecyclerView: No adapter attached; skipping layout
06-09 07:22:03.193 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe9ba5920
06-09 07:22:03.371 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe8ec2770
06-09 07:22:04.094 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe8ec2620
06-09 07:22:06.401 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe8ec2380
06-09 07:22:09.669 1334-1353/Abc.com E/Surface: getSlotFromBufferLocked: unknown buffer: 0xe8ec2150
【问题讨论】：
-
StackTrace好吗？
-
请发布您的 logcat 错误。没有它们，就更难追踪错误。
-
logcat 的详细或错误？
-
@ChiragRaval 检查我的更新问题
-
请粘贴显示应用程序错误的堆栈跟踪。