index 445f30a80644fc052b45715e668963a2d63ffebd..f5f6c67e81a13c33decd8bf0e253fe687272f68a 100644 (file)
import android.content.Context;
import android.content.res.AssetManager;
+import android.os.Environment;
import java.io.File;
import java.io.FileOutputStream;
public class CopyAssets {
- public static void copyAssets(Context context, String prefix) {
- AssetManager assetManager = context.getAssets();
- String[] files = null;
- try {
- files = assetManager.list(prefix);
- } catch (IOException e) {
- Log.e("tag", "Failed to get asset file list.", e);
- }
- if (files != null) for (String filename : files) {
- InputStream in = null;
- OutputStream out = null;
- try {
- File f = new File(context.getExternalFilesDir(null), prefix);
- if (!f.exists()) {
- f.mkdirs();
- }
- File outFile = new File(context.getExternalFilesDir(null), prefix + "/" + filename);
- if (!outFile.exists()) {
- in = assetManager.open(prefix + "/" + filename);
- out = new FileOutputStream(outFile);
- copyFile(in, out);
- }
- } catch(IOException e) {
- Log.e("tag", "Failed to copy asset file: " + filename, e);
- }
- finally {
- if (in != null) {
- try {
- in.close();
- in = null;
- } catch (IOException e) {
-
- }
- }
- if (out != null) {
- try {
- out.flush();
- out.close();
- out = null;
- } catch (IOException e) {
-
- }
- }
- }
- }
- }
-
- public static void copyFile(InputStream in, OutputStream out) throws IOException {
- byte[] buffer = new byte[1024];
- int read;
- while((read = in.read(buffer)) != -1){
- out.write(buffer, 0, read);
- }
- }
-
+ private static boolean ExtStorageMounted() {
+ return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
+ }
+
+ private static boolean ExtStorageReadonly() {
+ return Environment.MEDIA_MOUNTED_READ_ONLY.equals(Environment.getExternalStorageState());
+ }
+
+ private static void CopyFile(InputStream in, OutputStream out)
+ throws IOException
+ {
+ byte[] buffer = new byte[1024];
+ int read;
+ while ((read = in.read(buffer)) != -1) {
+ out.write(buffer, 0, read);
+ }
+ }
+
+ public static void copyAssets(Context context, String prefix) {
+ AssetManager assetManager = context.getAssets();
+ String[] files = null;
+ try {
+ files = assetManager.list(prefix);
+ } catch (IOException e) {
+ Log.e("tag", "Failed to get asset file list.", e);
+ }
+ if (files != null) {
+ for (String filename : files) {
+ InputStream in = null;
+ OutputStream out = null;
+ try {
+ if (ExtStorageMounted() && !ExtStorageReadonly()) {
+ /* Get External Storage Path */
+ File f = new File(context.getExternalFilesDir(null).getAbsolutePath(), prefix);
+ if (!f.exists()) {
+ f.mkdirs();
+ }
+ File outFile = new File(context.getExternalFilesDir(null).getAbsolutePath(), prefix + "/" + filename);
+ if (!outFile.exists()) {
+ in = assetManager.open(prefix + "/" + filename);
+ out = new FileOutputStream(outFile);
+ CopyFile(in, out);
+ }
+ } else {
+ /* Get Internal Storage Path */
+ File f = new File(context.getFilesDir().getAbsolutePath(), prefix);
+ if (!f.exists()) {
+ f.mkdirs();
+ }
+ File outFile = new File(context.getFilesDir().getAbsolutePath(), prefix + "/" + filename);
+ if (!outFile.exists()) {
+ in = assetManager.open(prefix + "/" + filename);
+ out = new FileOutputStream(outFile);
+ CopyFile(in, out);
+ }
+ }
+ } catch(IOException e) {
+ Log.e("tag", "Failed to copy asset file: " + filename, e);
+ } finally {
+ if (in != null) {
+ try {
+ in.close();
+ in = null;
+ } catch (IOException e) {}
+ }
+ if (out != null) {
+ try {
+ out.flush();
+ out.close();
+ out = null;
+ } catch (IOException e) {}
+ }
+ }
+ }
+ }
+ }
+
}