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More device admin work:

Browse Source 
- Example warning message when disabling.
- UI to set maximum failed password attempts.
This commit is contained in:
Dianne Hackborn
2010-01-26 18:04:54 -08:00
parent 2086587ba4
commit d51a50c766
3 changed files with 48 additions and 0 deletions
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12
samples/ApiDemos/res/layout/sample_device_admin.xml
View File

@@ -87,6 +87,18 @@
</LinearLayout>
<LinearLayout android:orientation="horizontal" android:gravity="center"
android:layout_width="match_parent" android:layout_height="wrap_content">
<EditText android:id="@+id/max_failed_pw"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:hint="@string/max_failed_pw_hint"
android:inputType="number">
</EditText>
</LinearLayout>
<LinearLayout android:orientation="horizontal" android:gravity="center"
android:layout_width="match_parent" android:layout_height="wrap_content">

1
samples/ApiDemos/res/values/strings.xml
View File

@@ -453,6 +453,7 @@
<string name="set_password">Set Password</string>
<string name="password_hint">Password</string>
<string name="reset_password">Reset Password</string>
<string name="max_failed_pw_hint">Password Attempts Wipe Data</string>
<string name="force_lock">Force Lock</string>
<string name="wipe_data">Wipe Data</string>

35
samples/ApiDemos/src/com/example/android/apis/app/SampleDeviceAdmin.java
View File

@@ -53,6 +53,7 @@ public class SampleDeviceAdmin extends DeviceAdmin {
static String PREF_PASSWORD_MODE = "password_mode";
static String PREF_PASSWORD_LENGTH = "password_length";
static String PREF_MAX_FAILED_PW = "max_failed_pw";
void showToast(Context context, CharSequence msg) {
Toast.makeText(context, msg, Toast.LENGTH_SHORT).show();
@@ -63,6 +64,11 @@ public class SampleDeviceAdmin extends DeviceAdmin {
showToast(context, "Sample Device Admin: enabled");
}
@Override
public CharSequence onDisableRequested(Context context, Intent intent) {
return "This is an optional message to warn the user about disabling.";
}
@Override
public void onDisabled(Context context, Intent intent) {
showToast(context, "Sample Device Admin: disabled");
@@ -115,6 +121,8 @@ public class SampleDeviceAdmin extends DeviceAdmin {
EditText mPassword;
Button mResetPasswordButton;
EditText mMaxFailedPw;
Button mForceLockButton;
Button mWipeDataButton;
@@ -169,6 +177,20 @@ public class SampleDeviceAdmin extends DeviceAdmin {
mResetPasswordButton = (Button)findViewById(R.id.reset_password);
mResetPasswordButton.setOnClickListener(mResetPasswordListener);
mMaxFailedPw = (EditText)findViewById(R.id.max_failed_pw);
mMaxFailedPw.addTextChangedListener(new TextWatcher() {
public void afterTextChanged(Editable s) {
}
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
public void onTextChanged(CharSequence s, int start, int before, int count) {
try {
setMaxFailedPw(Integer.parseInt(s.toString()));
} catch (NumberFormatException e) {
}
}
});
mForceLockButton = (Button)findViewById(R.id.force_lock);
mForceLockButton.setOnClickListener(mForceLockListener);
mWipeDataButton = (Button)findViewById(R.id.wipe_data);
@@ -205,12 +227,15 @@ public class SampleDeviceAdmin extends DeviceAdmin {
final int pwMode = prefs.getInt(PREF_PASSWORD_MODE,
DevicePolicyManager.PASSWORD_MODE_UNSPECIFIED);
final int pwLength = prefs.getInt(PREF_PASSWORD_LENGTH, 0);
final int maxFailedPw = prefs.getInt(PREF_MAX_FAILED_PW, 0);
for (int i=0; i<mPasswordModeValues.length; i++) {
if (mPasswordModeValues[i] == pwMode) {
mPasswordMode.setSelection(i);
}
}
mPasswordLength.setText(Integer.toString(pwLength));
mMaxFailedPw.setText(Integer.toString(maxFailedPw));
}
void updatePolicies() {
@@ -218,11 +243,13 @@ public class SampleDeviceAdmin extends DeviceAdmin {
final int pwMode = prefs.getInt(PREF_PASSWORD_MODE,
DevicePolicyManager.PASSWORD_MODE_UNSPECIFIED);
final int pwLength = prefs.getInt(PREF_PASSWORD_LENGTH, 0);
final int maxFailedPw = prefs.getInt(PREF_PASSWORD_LENGTH, 0);
boolean active = mDPM.isAdminActive(mSampleDeviceAdmin);
if (active) {
mDPM.setPasswordMode(mSampleDeviceAdmin, pwMode);
mDPM.setMinimumPasswordLength(mSampleDeviceAdmin, pwLength);
mDPM.setMaximumFailedPasswordsForWipe(mSampleDeviceAdmin, maxFailedPw);
}
}
@@ -238,6 +265,12 @@ public class SampleDeviceAdmin extends DeviceAdmin {
updatePolicies();
}
void setMaxFailedPw(int length) {
SharedPreferences prefs = getSamplePreferences(this);
prefs.edit().putInt(PREF_MAX_FAILED_PW, length).commit();
updatePolicies();
}
@Override
protected void onResume() {
super.onResume();
@@ -265,6 +298,8 @@ public class SampleDeviceAdmin extends DeviceAdmin {
Intent intent = new Intent(DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN);
intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN,
mSampleDeviceAdmin);
intent.putExtra(DevicePolicyManager.EXTRA_ADD_EXPLANATION,
"Additional text explaining why this needs to be added.");
startActivityForResult(intent, RESULT_ENABLE);
}
};