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package com.github.barteksc.sample;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.provider.OpenableColumns;
import android.support.v7.app.AppCompatActivity;
import com.github.barteksc.pdfviewer.PDFView;
import com.github.barteksc.pdfviewer.ScrollBar;
import com.github.barteksc.pdfviewer.listener.OnPageChangeListener;
import org.androidannotations.annotations.AfterViews;
import org.androidannotations.annotations.EActivity;
import org.androidannotations.annotations.NonConfigurationInstance;
import org.androidannotations.annotations.OnActivityResult;
import org.androidannotations.annotations.OptionsItem;
import org.androidannotations.annotations.OptionsMenu;
import org.androidannotations.annotations.ViewById;
@EActivity(R.layout.activity_main)
@OptionsMenu(R.menu.options)
public class PDFViewActivity extends AppCompatActivity implements OnPageChangeListener {
private static final String TAG = PDFViewActivity.class.getSimpleName();
private final static int REQUEST_CODE = 42;
public static final String SAMPLE_FILE = "1_Introduction.pdf";
@ViewById
PDFView pdfView;
@ViewById
ScrollBar scrollBar;
@NonConfigurationInstance
Uri uri;
@NonConfigurationInstance
Integer pageNumber = 1;
String pdfFileName;
@OptionsItem(R.id.pickFile)
void pickFile() {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("application/pdf");
startActivityForResult(intent, REQUEST_CODE);
}
@AfterViews
void afterViews() {
pdfView.setScrollBar(scrollBar);
if (uri != null) {
displayFromUri(uri);
} else {
displayFromAsset(SAMPLE_FILE);
}
setTitle(pdfFileName);
}
private void displayFromAsset(String assetFileName) {
pdfFileName = assetFileName;
pdfView.fromAsset(SAMPLE_FILE)
.defaultPage(pageNumber)
.onPageChange(this)
.swipeVertical(true)
.showMinimap(false)
.load();
}
private void displayFromUri(Uri uri) {
pdfFileName = getFileName(uri);
pdfView.fromUri(uri)
.defaultPage(pageNumber)
.onPageChange(this)
.swipeVertical(true)
.showMinimap(false)
.load();
}
@OnActivityResult(REQUEST_CODE)
public void onResult(int resultCode, Intent intent) {
if (resultCode == RESULT_OK) {
uri = intent.getData();
displayFromUri(uri);
}
}
@Override
public void onPageChanged(int page, int pageCount) {
pageNumber = page;
setTitle(String.format("%s %s / %s", pdfFileName, page, pageCount));
}
public String getFileName(Uri uri) {
String result = null;
if (uri.getScheme().equals("content")) {
Cursor cursor = getContentResolver().query(uri, null, null, null, null);
try {
if (cursor != null && cursor.moveToFirst()) {
result = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
}
} finally {
if (cursor != null) {
cursor.close();
}
}
}
if (result == null) {
result = uri.getLastPathSegment();
}
return result;
}
@Override
public void onBackPressed() {
Intent intent = new Intent(PDFViewActivity.this
, Main.class);
//启动intent对应的Activity
startActivity(intent);
super.onBackPressed();
}
}
//创建需要启动的Activity对应的Intent
Intent intent = new Intent(Main.this
, PDFViewActivity_.class);
//启动intent对应的Activity
startActivity(intent);
当然AndroidManifest.xml里面注册的时候也是用的PDFViewActivity_
感谢各位的帮助,附解决这个问题的博客
http://blog.csdn.net/zjbpku/article/details/18676149