PawletOS/app_Settings
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The getStorageUsers only returns list of storage users accessing the sdcard.

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We also have to check if applications on sdcard are currently running.

Change-Id: I4b6478bc834e956f963735f69829c5ba4c7fb8c2
This commit is contained in:
Suchi Amalapurapu
2010-03-23 15:02:13 -07:00
parent 28bcb47ef7
commit 6f58b1b426
1 changed files with 46 additions and 19 deletions
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65
src/com/android/settings/deviceinfo/Memory.java
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@@ -16,6 +16,7 @@
package com.android.settings.deviceinfo;
import android.app.ActivityManager;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.BroadcastReceiver;
@@ -24,6 +25,9 @@ import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.DialogInterface.OnCancelListener;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Resources;
import android.os.Bundle;
import android.os.Handler;
@@ -46,6 +50,9 @@ import android.widget.Toast;
import com.android.settings.R;
import java.io.File;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class Memory extends PreferenceActivity implements OnCancelListener {
private static final String TAG = "Memory";
@@ -215,32 +222,52 @@ public class Memory extends PreferenceActivity implements OnCancelListener {
showDialog(id);
}
private void unmount() {
// Check if the sdcard is being accessed by other processes
// and let the user decide if the sdcard should be ejected.
String extStoragePath = Environment.
getExternalStorageDirectory().toString();
private boolean hasAppsAccessingStorage() throws RemoteException {
String extStoragePath = Environment.getExternalStorageDirectory().toString();
IMountService mountService = getMountService();
int stUsers[] = null;
boolean showPidDialog = false;
int stUsers[] = mountService.getStorageUsers(extStoragePath);
if (stUsers != null && stUsers.length > 0) {
return true;
}
ActivityManager am = (ActivityManager)getSystemService(Context.ACTIVITY_SERVICE);
PackageManager pm = getPackageManager();
List<ActivityManager.RunningAppProcessInfo> runningApps = am.getRunningAppProcesses();
if (runningApps != null && runningApps.size() > 0) {
for (ActivityManager.RunningAppProcessInfo app : runningApps) {
if (app.pkgList == null) {
continue;
}
for (String pkg : app.pkgList) {
try {
ApplicationInfo info = pm.getApplicationInfo(pkg, 0);
if ((info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0) {
return true;
}
} catch (NameNotFoundException e) {
}
}
}
}
return false;
}
private void unmount() {
// Check if external media is in use.
try {
stUsers = mountService.getStorageUsers(extStoragePath);
if (hasAppsAccessingStorage()) {
if (localLOGV) Log.i(TAG, "Do have storage users accessing media");
// Present dialog to user
showDialogInner(DLG_CONFIRM_UNMOUNT);
} else {
doUnmount(true);
}
} catch (RemoteException e) {
// Very unlikely. But present an error dialog anyway
Log.e(TAG, "Is MountService running?");
showDialogInner(DLG_ERROR_UNMOUNT);
}
if (stUsers != null && stUsers.length > 0) {
if (localLOGV) Log.i(TAG, "Do have storage users accessing "
+ extStoragePath);
for (int pid : stUsers) {
if (localLOGV) Log.i(TAG, pid + " accessing file on sdcard");
}
// Present dialog to user
showDialogInner(DLG_CONFIRM_UNMOUNT);
} else {
doUnmount(true);
}
}
}
private void mount() {
IMountService mountService = getMountService();