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+package com.usai.apex.pdf;
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+
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+import android.app.AlertDialog;
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+import android.content.DialogInterface;
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+import android.content.Intent;
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+import android.content.pm.PackageManager;
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+import android.graphics.Color;
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+import android.net.Uri;
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+import android.os.Build;
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+import android.os.Bundle;
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+import android.support.v4.content.FileProvider;
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+import android.support.v7.app.ActionBar;
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+import android.support.v7.app.AppCompatActivity;
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+import android.util.Log;
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+import android.view.Gravity;
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+import android.view.LayoutInflater;
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+import android.view.Menu;
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+import android.view.MenuItem;
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+import android.view.View;
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+import android.widget.TextView;
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+
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+import com.github.barteksc.pdfviewer.PDFView;
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+import com.github.barteksc.pdfviewer.listener.OnLoadCompleteListener;
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+import com.github.barteksc.pdfviewer.listener.OnPageChangeListener;
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+import com.github.barteksc.pdfviewer.listener.OnPageErrorListener;
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+import com.github.barteksc.pdfviewer.util.FitPolicy;
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+import com.shockwave.pdfium.PdfDocument;
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+import com.usai.apex.ApexTrackingApplication;
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+import com.usai.apex.R;
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+import com.usai.util.RAUtil;
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+
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+import java.io.File;
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+import java.util.List;
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+
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+public class PDFPreviewActivity extends AppCompatActivity implements OnPageChangeListener, OnLoadCompleteListener,
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+ OnPageErrorListener {
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+
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+ boolean iscachefile;
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+ private static final String TAG = PDFPreviewActivity.class.getSimpleName();
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+// String pdfFileName;
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+ PDFView pdfView;
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+// @NonConfigurationInstance
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+ Integer pageNumber = 0;
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+// public static final String SAMPLE_FILE = "sample.pdf";
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+
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+
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+
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+ protected void openFile() {
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+
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+ String path=getIntent().getStringExtra("file");
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+ File file = new File(path);
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+ if (file == null || !file.exists()) {
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+ return;
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+ }
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+
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+ Uri uri = null;
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+ String type = RAUtil.getMimeType(file.getPath());
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+
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+ // type "application/pdf"
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+ Intent intent = new Intent(Intent.ACTION_VIEW);
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+
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+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
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+
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+ // "com.usai.apex.fileprovider"即是在Manifest文件中配置的authorities
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+ uri = FileProvider.getUriForFile(this, "com.usai.apex.fileprovider", file);
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+ // 给目标应用一个临时授权
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+ intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
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+ } else {
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+ uri = Uri.fromFile(file);
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+ }
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+
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+ intent.setDataAndType(uri, type);
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+
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+ if (getPackageManager().resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY) != null) {
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+ // someone knows how to handle this mime type with this scheme, don't download.
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+ try {
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+ startActivity(intent);
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+ return;
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+ } catch (Exception ex) {
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+ Log.d("Open File", "activity not found for " + type + " over " + uri, ex);
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+ }
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+
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+ } else {
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+ Log.d("Open File", "openFileAtPath: " + "No App " + uri);
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+
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+
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+ AlertDialog.Builder builder = new AlertDialog.Builder(
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+ PDFPreviewActivity.this);
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+ builder.setMessage("Can not open PDF file, no external App found." );
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+
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+ builder.setTitle("Open PDF");
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+
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+ builder.setPositiveButton(getString(android.R.string.ok), new DialogInterface.OnClickListener()
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+ {
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+
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+ @Override
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+ public void onClick(DialogInterface dialog, int which)
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+ {
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+ dialog.dismiss();
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+
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+
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+ }
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+ });
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+
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+ builder.create().show();
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+
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+// try {
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+// shareFile(uri,type);
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+// } catch (Exception e) {
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+// Log.e("Show Dialog Error", "openFileAtPath: ", e);
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+// }
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+ }
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+
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+ }
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+
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+ protected void shareFile(/*Uri uri, String type*/) {
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+
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+ String path=getIntent().getStringExtra("file");
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+ File file = new File(path);
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+ if (file == null || !file.exists()) {
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+ return;
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+ }
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+ Uri uri = null;
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+ String type = RAUtil.getMimeType(file.getPath());
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+
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+
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+
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+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
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+
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+ // "com.usai.apex.fileprovider"即是在Manifest文件中配置的authorities
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+ uri = FileProvider.getUriForFile(this, "com.usai.apex.fileprovider", file);
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+ // 给目标应用一个临时授权
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+ } else {
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+ uri = Uri.fromFile(file);
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+ }
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+
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+ Intent share = new Intent();
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+ share.setAction(Intent.ACTION_SEND);
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+ share.putExtra(Intent.EXTRA_STREAM, uri);
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+ share.setType(type);
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+
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+
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+ share.putExtra(Intent.EXTRA_TEXT, "test content text"); //附带的说明信息
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+ share.putExtra(Intent.EXTRA_SUBJECT, "test subject");
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+ share.putExtra(Intent.EXTRA_EMAIL, new String[]{"isbcd@hotmail.com","isbcd.zhangrui@gmail.com"});
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+ share.putExtra(Intent.EXTRA_CC, new String[]{"ray.zhang@united-cn.net"});
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+// startActivity(Intent.createChooser(share,getString(R.string.str_sendto)));
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+ startActivity(Intent.createChooser(share, "Share"));
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+
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+
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+
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+
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+// Intent share = new Intent(Intent.ACTION_SEND);
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+// String filename = (String) v.getTag();
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+// share.putExtra(Intent.EXTRA_STREAM,
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+// Uri.fromFile(new File(Environment.getExternalStorageDirectory().getPath()+"/Apex Mobile/"+filename)));
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+// String[] token = filename.split("\\.");
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+// String ext = token[token.length-1];
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+// share.setType("application/"+ext);//此处可发送多种文件
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+
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+ }
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+
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+ private void setCustomActionBar() {
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+ ActionBar.LayoutParams lp =new ActionBar.LayoutParams(ActionBar.LayoutParams.MATCH_PARENT, ActionBar.LayoutParams.MATCH_PARENT, Gravity.CENTER);
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+ View mActionBarView = LayoutInflater.from(this).inflate(R.layout.actionbar_customtitle, null);
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+
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+ String path=getIntent().getStringExtra("file");
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+ String title=new File(path).getName();
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+ TextView mtitleview= mActionBarView.findViewById(R.id.title);
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+// String title = mParams.getString("title");
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+ mtitleview.setText(title);
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+//
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+// mActionBarView.setBackgroundColor(Color.YELLOW);
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+// titleview.setBackgroundColor(Color.BLUE);
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+ ActionBar actionBar = getSupportActionBar();
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+ actionBar.setCustomView(mActionBarView, lp);
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+ actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
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+ actionBar.setDisplayShowCustomEnabled(true);
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+ actionBar.setDisplayHomeAsUpEnabled(true);
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+
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+
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+// actionBar.setIcon(getNumberDrawable());
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+// actionBar.setDisplayShowHomeEnabled(true);
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+ actionBar.setDisplayShowTitleEnabled(false);
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+ }
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+ @Override
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+ public boolean onOptionsItemSelected(MenuItem item) {
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+ switch (item.getItemId()) {
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+
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+ case android.R.id.home:
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+ finish();
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+ break;
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+ case R.id.action_save:
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+ SavePDF();
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+ break;
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+ case R.id.action_open:
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+ openFile();
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+ break;
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+ case R.id.action_send:
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+ shareFile();
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+ break;
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+
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+ default: break;
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+ }
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+ return super.onOptionsItemSelected(item);
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+ }
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+
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+ private void SavePDF()
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+ {
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+
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+
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+ String todir=ApexTrackingApplication.getInstance().getDocumentDir();
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+
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+// String sourcefile=getIntent().getStringExtra("file");
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+ File source =new File(getIntent().getStringExtra("file"));
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+ String filename = source.getName();
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+// boolean successful= source.renameTo(new File(todir+filename));
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+
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+ boolean successful=RAUtil.copyFile(getIntent().getStringExtra("file"),todir+"/"+filename);
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+
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+
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+// Files.copy(source, Path target, CopyOption... options)
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+
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+ String title= "Save document";
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+ String msg = "Can not save document";
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+
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+ if(successful)
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+ {
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+ msg= "Document Saved";
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+
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+ }
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+
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+ AlertDialog.Builder builder = new AlertDialog.Builder(
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+ PDFPreviewActivity.this);
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+ builder.setMessage(msg);
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+
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+ builder.setTitle(title);
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+
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+ builder.setPositiveButton(getString(android.R.string.ok), new DialogInterface.OnClickListener()
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+ {
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+
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+ @Override
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+ public void onClick(DialogInterface dialog, int which)
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+ {
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+ dialog.dismiss();
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+
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+
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+ }
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+ });
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+
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+ builder.create().show();
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+
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+ }
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+ @Override
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+ public boolean onCreateOptionsMenu(Menu menu)
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+ {
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+ // Inflate the menu; this adds items to the action bar if it is present.
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+
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+ if(iscachefile)
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+ getMenuInflater().inflate(R.menu.pdf_cached_preview, menu);
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+ else
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+ getMenuInflater().inflate(R.menu.pdf_saved_preview, menu);
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+ return true;
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+ }
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+ @Override
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+ protected void onDestroy()
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+ {
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+
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+ if(iscachefile) {
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+ String file = getIntent().getStringExtra("file");
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+ new File(file).delete();
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+ }
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+ super.onDestroy();
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+ }
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+ @Override
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+ protected void onCreate(Bundle savedInstanceState) {
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+ super.onCreate(savedInstanceState);
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+ setContentView(R.layout.activity_pdf_preview);
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+
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+ setCustomActionBar();
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+ pdfView = findViewById(R.id.pdfView);
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+ pdfView.setBackgroundColor(Color.LTGRAY);
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+ pdfView.setPadding(10,10,10,10);
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+
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+ String file=getIntent().getStringExtra("file");
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+ iscachefile = getIntent().getBooleanExtra("iscache",false);
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+// pdfFileName = assetFileName;
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+ pdfView.fromFile(new File(file))
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+// pdfView.fromAsset(SAMPLE_FILE)
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+ .defaultPage(pageNumber)
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+ .onPageChange(this)
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+ .enableAnnotationRendering(true)
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+ .onLoad(this)
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+// .scrollHandle(new DefaultScrollHandle(this))
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+
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+ .spacing(10) // in dp
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+ .onPageError(this)
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+ .pageFitPolicy(FitPolicy.BOTH)
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+ .load();
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+
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+ /*
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+ pdfView.fromAsset(SAMPLE_FILE)
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+// .pages(0, 2, 1, 3, 3, 3) // all pages are displayed by default
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+ .enableSwipe(true) // allows to block changing pages using swipe
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+ .swipeHorizontal(false)
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+ .enableDoubletap(true)
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+ .defaultPage(0)
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+ // allows to draw something on the current page, usually visible in the middle of the screen
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+// .onDraw(this)
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+ // allows to draw something on all pages, separately for every page. Called only for visible pages
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+// .onDrawAll(onDrawListener)
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+ .onLoad(this) // called after document is loaded and starts to be rendered
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+ .onPageChange(this)
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+// .onPageScroll(onPageScrollListener)
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+// .onError(onErrorListener)
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+ .onPageError(this)
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+// .onRender(onRenderListener) // called after document is rendered for the first time
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+ // called on single tap, return true if handled, false to toggle scroll handle visibility
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+// .onTap(onTapListener)
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+ .enableAnnotationRendering(false) // render annotations (such as comments, colors or forms)
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+ .password(null)
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+ .scrollHandle(null)
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+ .enableAntialiasing(true) // improve rendering a little bit on low-res screens
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+ // spacing between pages in dp. To define spacing color, set view background
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+ .spacing(0)
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+// .linkHandler(DefaultLinkHandler)
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+ .pageFitPolicy(FitPolicy.WIDTH)
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+ .load();*/
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+ }
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+
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+ @Override
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+ public void loadComplete(int nbPages) {
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+ PdfDocument.Meta meta = pdfView.getDocumentMeta();
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+ Log.e(TAG, "title = " + meta.getTitle());
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+ Log.e(TAG, "author = " + meta.getAuthor());
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+ Log.e(TAG, "subject = " + meta.getSubject());
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+ Log.e(TAG, "keywords = " + meta.getKeywords());
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+ Log.e(TAG, "creator = " + meta.getCreator());
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+ Log.e(TAG, "producer = " + meta.getProducer());
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+ Log.e(TAG, "creationDate = " + meta.getCreationDate());
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+ Log.e(TAG, "modDate = " + meta.getModDate());
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+
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+ printBookmarksTree(pdfView.getTableOfContents(), "-");
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+ }
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+
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+ @Override
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+ public void onPageChanged(int page, int pageCount) {
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+
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+ }
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+
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+ @Override
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+ public void onPageError(int page, Throwable t) {
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+
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+ }
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+
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+ public void printBookmarksTree(List<PdfDocument.Bookmark> tree, String sep) {
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+ for (PdfDocument.Bookmark b : tree) {
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+
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+ Log.e(TAG, String.format("%s %s, p %d", sep, b.getTitle(), b.getPageIdx()));
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+
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+ if (b.hasChildren()) {
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+ printBookmarksTree(b.getChildren(), sep + "-");
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+ }
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+ }
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+ }
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+}
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