Force storage wipe if not removable and encrypted
Bug: 5017638
Change-Id: I43c98359eff7202437249675060ba964e1bd085c
diff --git a/src/com/android/settings/MasterClear.java b/src/com/android/settings/MasterClear.java
index 29a92b1..39b17a9 100644
--- a/src/com/android/settings/MasterClear.java
+++ b/src/com/android/settings/MasterClear.java
@@ -16,8 +16,6 @@
package com.android.settings;
-import com.android.settings.R;
-
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AuthenticatorDescription;
@@ -30,6 +28,7 @@
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Environment;
+import android.os.SystemProperties;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.util.Log;
@@ -107,7 +106,7 @@
* keyguard confirmation if the user has currently enabled one. If there
* is no keyguard available, we simply go to the final confirmation prompt.
*/
- private Button.OnClickListener mInitiateListener = new Button.OnClickListener() {
+ private final Button.OnClickListener mInitiateListener = new Button.OnClickListener() {
public void onClick(View v) {
if (!runKeyguardConfirmation(KEYGUARD_REQUEST)) {
@@ -138,9 +137,12 @@
* If the external storage is emulated, it will be erased with a factory
* reset at any rate. There is no need to have a separate option until
* we have a factory reset that only erases some directories and not
- * others.
+ * others. Likewise, if it's non-removable storage, it could potentially have been
+ * encrypted, and will also need to be wiped.
*/
- if (Environment.isExternalStorageEmulated()) {
+ boolean isExtStorageEmulated = Environment.isExternalStorageEmulated();
+ if (isExtStorageEmulated
+ || (!Environment.isExternalStorageRemovable() && isExtStorageEncrypted())) {
mExternalStorageContainer.setVisibility(View.GONE);
final View externalOption = mContentView.findViewById(R.id.erase_external_option_text);
@@ -148,6 +150,10 @@
final View externalAlsoErased = mContentView.findViewById(R.id.also_erases_external);
externalAlsoErased.setVisibility(View.VISIBLE);
+
+ // If it's not emulated, it is on a separate partition but it means we're doing
+ // a force wipe due to encryption.
+ mExternalStorage.setChecked(!isExtStorageEmulated);
} else {
mExternalStorageContainer.setOnClickListener(new View.OnClickListener() {
@@ -161,6 +167,11 @@
loadAccountList();
}
+ private boolean isExtStorageEncrypted() {
+ String state = SystemProperties.get("vold.decrypt");
+ return !"".equals(state);
+ }
+
private void loadAccountList() {
View accountsLabel = mContentView.findViewById(R.id.accounts_label);
LinearLayout contents = (LinearLayout)mContentView.findViewById(R.id.accounts);