有没有人知道如何在
Android中打开PDF文件？我的代码看起来像这样：
public class SampleActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
CopyReadAssets();
}
private void CopyReadAssets() {
AssetManager assetManager = getAssets();
InputStream in = null;
OutputStream out = null;
File file = new File(getFilesDir(),"git.pdf");
try {
in = assetManager.open("git.pdf");
out = openFileOutput(file.getName(),Context.MODE_WORLD_READABLE);
copyFile(in,out);
in.close();
in = null;
out.flush();
out.close();
out = null;
} catch (Exception e) {
Log.e("tag",e.getMessage());
}
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(
Uri.parse("file://" + getFilesDir() + "/git.pdf"),"application/pdf");
startActivity(intent);
}
private void copyFile(InputStream in,OutputStream out) throws IOException {
byte[] buffer = new byte[1024];
int read;
while ((read = in.read(buffer)) != -1) {
out.write(buffer,read);
}
}
}
解决方法
以下是从资产文件夹打开pdf文件的代码,但您必须在设备上安装pdf阅读器：
private void CopyAssets() {
AssetManager assetManager = getAssets();
InputStream in = null;
OutputStream out = null;
File file = new File(getFilesDir(),"fileName.pdf");
try {
in = assetManager.open("fileName.pdf");
out = openFileOutput(file.getName(),e.getMessage());
}
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(
Uri.parse("file://" + getFilesDir() + "/fileName.pdf"),read);
}
}
