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am d19b76f6: am f534db8a: Merge "Improvements to enable encryption steps" into honeycomb

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* commit 'd19b76f6062665ce8e0f80276ee3076262f7c4b0':
  Improvements to enable encryption steps
This commit is contained in:
Andy Stadler
2011-01-30 17:30:13 -08:00
committed by Android Git Automerger
parent 8bb35b1393 d19b76f606
commit a946934cc3
4 changed files with 125 additions and 46 deletions
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33
src/com/android/settings/CryptKeeperSettings.java
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@@ -16,6 +16,8 @@
package com.android.settings;
import com.android.internal.widget.LockPatternUtils;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Fragment;
@@ -49,8 +51,18 @@ public class CryptKeeperSettings extends Fragment {
private static final int KEYGUARD_REQUEST = 55;
// This is the minimum acceptable password quality. If the current password quality is
// lower than this, encryption should not be activated.
private static final int MIN_PASSWORD_QUALITY = DevicePolicyManager.PASSWORD_QUALITY_NUMERIC;
// Minimum battery charge level (in percent) to launch encryption. If the battery charge is
// lower than this, encryption should not be activated.
private static final int MIN_BATTERY_LEVEL = 80;
private View mContentView;
private Button mInitiateButton;
private View mPowerWarning;
private View mBatteryWarning;
private IntentFilter mIntentFilter;
private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
@@ -60,12 +72,12 @@ public class CryptKeeperSettings extends Fragment {
if (action.equals(Intent.ACTION_BATTERY_CHANGED)) {
int level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0);
int plugged = intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0);
if (plugged == BatteryManager.BATTERY_PLUGGED_AC && level >= 80) {
mInitiateButton.setEnabled(true);
} else {
mInitiateButton.setEnabled(false);
}
boolean levelOk = level >= MIN_BATTERY_LEVEL;
boolean pluggedOk = plugged == BatteryManager.BATTERY_PLUGGED_AC;
// Update UI elements based on power/battery status
mInitiateButton.setEnabled(levelOk && pluggedOk);
mPowerWarning.setVisibility(pluggedOk ? View.GONE : View.VISIBLE );
mBatteryWarning.setVisibility(levelOk ? View.GONE : View.VISIBLE);
}
}
};
@@ -102,6 +114,9 @@ public class CryptKeeperSettings extends Fragment {
mInitiateButton.setOnClickListener(mInitiateListener);
mInitiateButton.setEnabled(false);
mPowerWarning = mContentView.findViewById(R.id.warning_unplugged);
mBatteryWarning = mContentView.findViewById(R.id.warning_low_charge);
return mContentView;
}
@@ -146,6 +161,12 @@ public class CryptKeeperSettings extends Fragment {
* @return true if confirmation launched
*/
private boolean runKeyguardConfirmation(int request) {
// 1. Confirm that we have a sufficient PIN/Password to continue
int quality = new LockPatternUtils(getActivity()).getKeyguardStoredPasswordQuality();
if (quality < MIN_PASSWORD_QUALITY) {
return false;
}
// 2. Ask the user to confirm the current PIN/Password
Resources res = getActivity().getResources();
return new ChooseLockSettingsHelper(getActivity(), this)
.launchConfirmationActivity(request,