Merge "Use a file descriptor in decodeFile." into main

import android.content.res.Resources;

import android.os.Build;

import android.os.Trace;

import android.system.OsConstants;

import android.util.DisplayMetrics;

import android.util.Log;

import android.util.TypedValue;

import libcore.io.IoBridge;

import java.io.FileDescriptor;

import java.io.FileInputStream;

import java.io.IOException;

    public static Bitmap decodeFile(String pathName, Options opts) {

        validate(opts);

        Bitmap bm = null;

        InputStream stream = null;

        FileDescriptor fd = null;

        try {

            stream = new FileInputStream(pathName);

            bm = decodeStream(stream, null, opts);

            fd = IoBridge.open(pathName, OsConstants.O_RDONLY);

            bm = decodeFileDescriptor(fd, null, opts);

        } catch (Exception e) {

            /*  do nothing.

                If the exception happened on open, bm will be null.

            */

            Log.e("BitmapFactory", "Unable to decode stream: " + e);

            Log.e("BitmapFactory", "Unable to decode file: " + e);

        } finally {

            if (stream != null) {

            if (fd != null) {

                try {

                    stream.close();

                    IoBridge.closeAndSignalBlockedThreads(fd);

                } catch (IOException e) {

                    // do nothing here

                }