am 7d3e182c: Merge changes I326a4cf2,I1cfce513 into lmp-mr1-dev automerge: ea4d9a9 automerge: eb55ac9

* commit '7d3e182c18978c7da43194d9deb564e5724b06e2':
  Confirm enabling OEM unlock with warning dialog
  Request PIN confirmation to enable OEM unlock

res/values/strings.xml

@@ -3400,6 +3400,15 @@
     <string name="oem_unlock_enable">Enable OEM unlock</string>
     <!-- setting Checkbox summary whether to enable OEM unlock [CHAR_LIMIT=50] -->
     <string name="oem_unlock_enable_summary">Allow the device to be OEM unlocked</string>
+    <!-- Message to enter device PIN to enable OEM unlock -->
+    <string name="oem_unlock_enable_pin_prompt">Enter your PIN</string>
+    <!-- Explanation to enter device pin to enable OEM unlock -->
+    <string name="oem_unlock_enable_pin_description">Enter your device PIN to enable OEM unlock</string>
+    <!-- Confirmation dialog title to ensure user wishes to enable OEM unlock and disable theft protection features -->
+    <string name="confirm_enable_oem_unlock_title">Warning</string>
+    <!-- Confirmation dialog message to ensure user wishes to enable OEM unlock and disable theft protection features -->
+    <string name="confirm_enable_oem_unlock_text">Enabling OEM unlock disables theft protection features on this device and may void your warranty. Continue?</string>
+
 
     <!-- Setting Checkbox title whether to show options for wireless display certification -->
     <string name="wifi_display_certification">Wireless display certification</string>

src/com/android/settings/DevelopmentSettings.java

@@ -33,6 +33,7 @@ import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.ResolveInfo;
+import android.content.res.Resources;
 import android.hardware.usb.IUsbManager;
 import android.hardware.usb.UsbManager;
 import android.net.wifi.WifiManager;
@@ -167,6 +168,8 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
 
     private static final String PERSISTENT_DATA_BLOCK_PROP = "ro.frp.pst";
 
+    private static final int REQUEST_CODE_ENABLE_OEM_UNLOCK = 0;
+
     private static String DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES = "262144"; // 256K
 
     private IWindowManager mWindowManager;
@@ -1320,6 +1323,24 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
                 getActivity().getContentResolver(), Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0);
     }
 
+    private void confirmEnableOemUnlock() {
+        DialogInterface.OnClickListener onConfirmListener = new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                Utils.setOemUnlockEnabled(getActivity(), true);
+                updateAllOptions();
+            }
+        };
+
+        new AlertDialog.Builder(getActivity())
+                .setTitle(R.string.confirm_enable_oem_unlock_title)
+                .setMessage(R.string.confirm_enable_oem_unlock_text)
+                .setPositiveButton(R.string.yes, onConfirmListener)
+                .setNegativeButton(android.R.string.cancel, null)
+                .create()
+                .show();
+    }
+
     @Override
     public void onSwitchChanged(Switch switchView, boolean isChecked) {
         if (switchView != mSwitchBar.getSwitch()) {
@@ -1355,6 +1376,14 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
                 writeDebuggerOptions();
                 updateDebuggerOptions();
             }
+        } else if (requestCode == REQUEST_CODE_ENABLE_OEM_UNLOCK) {
+            if (resultCode == Activity.RESULT_OK) {
+                if (mEnableOemUnlock.isChecked()) {
+                    confirmEnableOemUnlock();
+                } else {
+                    Utils.setOemUnlockEnabled(getActivity(), false);
+                }
+            }
         } else {
             super.onActivityResult(requestCode, resultCode, data);
         }
@@ -1408,7 +1437,13 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
         } else if (preference == mBtHciSnoopLog) {
             writeBtHciSnoopLogOptions();
         } else if (preference == mEnableOemUnlock) {
-            Utils.setOemUnlockEnabled(getActivity(), mEnableOemUnlock.isChecked());
+            if (!showKeyguardConfirmation(getResources(), REQUEST_CODE_ENABLE_OEM_UNLOCK)) {
+                if (mEnableOemUnlock.isChecked()) {
+                    confirmEnableOemUnlock();
+                } else {
+                    Utils.setOemUnlockEnabled(getActivity(), false);
+                }
+            }
         } else if (preference == mAllowMockLocation) {
             Settings.Secure.putInt(getActivity().getContentResolver(),
                     Settings.Secure.ALLOW_MOCK_LOCATION,
@@ -1470,6 +1505,13 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
         return false;
     }
 
+    private boolean showKeyguardConfirmation(Resources resources, int requestCode) {
+        return new ChooseLockSettingsHelper(getActivity(), this)
+                .launchConfirmationActivity(requestCode,
+                        resources.getString(R.string.oem_unlock_enable_pin_prompt),
+                        resources.getString(R.string.oem_unlock_enable_pin_description));
+    }
+
     @Override
     public boolean onPreferenceChange(Preference preference, Object newValue) {
         if (HDCP_CHECKING_KEY.equals(preference.getKey())) {