PawletOS/app_Settings
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix window leak problems in settings.

Browse Source 
There were window leak in the settings application.
These leak happens when an AlertDialog displays, rotate the phone,
then it would cause window leak.

Change-Id: I914897bf657933efea72eeea66076dc288098420
This commit is contained in:
Jiehua.Dai
2010-05-12 08:37:52 +02:00
committed by Johan Redestig
parent 05c2b96f42
commit 20108e2ed6
6 changed files with 208 additions and 79 deletions
Download Patch File Download Diff File Expand all files Collapse all files

67
src/com/android/settings/ApnEditor.java
View File

@@ -17,6 +17,7 @@
package com.android.settings;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Intent;
@@ -51,6 +52,7 @@ public class ApnEditor extends PreferenceActivity
private static final int MENU_DELETE = Menu.FIRST;
private static final int MENU_SAVE = Menu.FIRST + 1;
private static final int MENU_CANCEL = Menu.FIRST + 2;
private static final int ERROR_DIALOG_ID = 0;
private static String sNotSet;
private EditTextPreference mName;
@@ -347,19 +349,8 @@ public class ApnEditor extends PreferenceActivity
String mcc = checkNotSet(mMcc.getText());
String mnc = checkNotSet(mMnc.getText());
String errorMsg = null;
if (name.length() < 1) {
errorMsg = mRes.getString(R.string.error_name_empty);
} else if (apn.length() < 1) {
errorMsg = mRes.getString(R.string.error_apn_empty);
} else if (mcc.length() != 3) {
errorMsg = mRes.getString(R.string.error_mcc_not3);
} else if ((mnc.length() & 0xFFFE) != 2) {
errorMsg = mRes.getString(R.string.error_mnc_not23);
}
if (errorMsg != null && !force) {
showErrorMessage(errorMsg);
if (getErrorMsg() != null && !force) {
showDialog(ERROR_DIALOG_ID);
return false;
}
@@ -414,12 +405,54 @@ public class ApnEditor extends PreferenceActivity
return true;
}
private void showErrorMessage(String message) {
new AlertDialog.Builder(this)
private String getErrorMsg() {
String errorMsg = null;
String name = checkNotSet(mName.getText());
String apn = checkNotSet(mApn.getText());
String mcc = checkNotSet(mMcc.getText());
String mnc = checkNotSet(mMnc.getText());
if (name.length() < 1) {
errorMsg = mRes.getString(R.string.error_name_empty);
} else if (apn.length() < 1) {
errorMsg = mRes.getString(R.string.error_apn_empty);
} else if (mcc.length() != 3) {
errorMsg = mRes.getString(R.string.error_mcc_not3);
} else if ((mnc.length() & 0xFFFE) != 2) {
errorMsg = mRes.getString(R.string.error_mnc_not23);
}
return errorMsg;
}
@Override
protected Dialog onCreateDialog(int id) {
if (id == ERROR_DIALOG_ID) {
String msg = getErrorMsg();
return new AlertDialog.Builder(this)
.setTitle(R.string.error_title)
.setMessage(message)
.setPositiveButton(android.R.string.ok, null)
.show();
.setMessage(msg)
.create();
}
return super.onCreateDialog(id);
}
@Override
protected void onPrepareDialog(int id, Dialog dialog) {
super.onPrepareDialog(id, dialog);
if (id == ERROR_DIALOG_ID) {
String msg = getErrorMsg();
if (msg != null) {
((AlertDialog)dialog).setMessage(msg);
}
}
}
private void deleteApn() {

27
src/com/android/settings/LanguageSettings.java
View File

@@ -56,6 +56,8 @@ public class LanguageSettings extends PreferenceActivity {
private String mLastInputMethodId;
private String mLastTickedInputMethodId;
private AlertDialog mDialog = null;
static public String getInputMethodIdFromKey(String key) {
return key;
}
@@ -255,12 +257,10 @@ public class LanguageSettings extends PreferenceActivity {
if (selImi == null) {
return super.onPreferenceTreeClick(preferenceScreen, preference);
}
AlertDialog d = (new AlertDialog.Builder(this))
if (mDialog == null) {
mDialog = (new AlertDialog.Builder(this))
.setTitle(android.R.string.dialog_alert_title)
.setIcon(android.R.drawable.ic_dialog_alert)
.setMessage(getString(R.string.ime_security_warning,
selImi.getServiceInfo().applicationInfo.loadLabel(
getPackageManager())))
.setCancelable(true)
.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
@@ -277,7 +277,15 @@ public class LanguageSettings extends PreferenceActivity {
})
.create();
d.show();
} else {
if (mDialog.isShowing()) {
mDialog.dismiss();
}
}
mDialog.setMessage(getString(R.string.ime_security_warning,
selImi.getServiceInfo().applicationInfo.loadLabel(
getPackageManager())));
mDialog.show();
} else if (id.equals(mLastTickedInputMethodId)) {
mLastTickedInputMethodId = null;
}
@@ -302,4 +310,13 @@ public class LanguageSettings extends PreferenceActivity {
return super.onPreferenceTreeClick(preferenceScreen, preference);
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mDialog != null) {
mDialog.dismiss();
mDialog = null;
}
}
}

31
src/com/android/settings/ProxySelector.java
View File

@@ -18,6 +18,7 @@ package com.android.settings;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.ContentResolver;
import android.content.Intent;
import android.net.Proxy;
@@ -73,6 +74,7 @@ public class ProxySelector extends Activity
HOSTNAME_PATTERN = Pattern.compile(HOSTNAME_REGEXP);
}
private static final int ERROR_DIALOG_ID = 0;
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
@@ -84,13 +86,32 @@ public class ProxySelector extends Activity
populateFields(false);
}
protected void showError(int error) {
@Override
protected Dialog onCreateDialog(int id) {
if (id == ERROR_DIALOG_ID) {
String hostname = mHostnameField.getText().toString().trim();
String portStr = mPortField.getText().toString().trim();
String msg = getString(validate(hostname, portStr));
new AlertDialog.Builder(this)
return new AlertDialog.Builder(this)
.setTitle(R.string.proxy_error)
.setMessage(error)
.setPositiveButton(R.string.proxy_error_dismiss, null)
.show();
.setMessage(msg)
.create();
}
return super.onCreateDialog(id);
}
@Override
protected void onPrepareDialog(int id, Dialog dialog) {
super.onPrepareDialog(id, dialog);
if (id == ERROR_DIALOG_ID) {
String hostname = mHostnameField.getText().toString().trim();
String portStr = mPortField.getText().toString().trim();
String msg = getString(validate(hostname, portStr));
((AlertDialog)dialog).setMessage(msg);
}
}
void initView() {
@@ -188,7 +209,7 @@ public class ProxySelector extends Activity
int result = validate(hostname, portStr);
if (result > 0) {
showError(result);
showDialog(ERROR_DIALOG_ID);
return false;
}

27
src/com/android/settings/SettingsSafetyLegalActivity.java
View File

@@ -40,6 +40,8 @@ public class SettingsSafetyLegalActivity extends AlertActivity
private WebView mWebView;
private AlertDialog mErrorDialog = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
@@ -85,14 +87,31 @@ public class SettingsSafetyLegalActivity extends AlertActivity
}
private void showErrorAndFinish(String url) {
new AlertDialog.Builder(this)
.setMessage(getResources()
.getString(R.string.settings_safetylegal_activity_unreachable, url))
if (mErrorDialog == null) {
mErrorDialog = new AlertDialog.Builder(this)
.setTitle(R.string.settings_safetylegal_activity_title)
.setPositiveButton(android.R.string.ok, this)
.setOnCancelListener(this)
.setCancelable(true)
.show();
.create();
} else {
if (mErrorDialog.isShowing()) {
mErrorDialog.dismiss();
}
}
mErrorDialog.setMessage(getResources()
.getString(R.string.settings_safetylegal_activity_unreachable, url));
mErrorDialog.show();
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mErrorDialog != null) {
mErrorDialog.dismiss();
mErrorDialog = null;
}
}
@Override

27
src/com/android/settings/bluetooth/CachedBluetoothDevice.java
View File

@@ -71,6 +71,8 @@ public class CachedBluetoothDevice implements Comparable<CachedBluetoothDevice>
private final LocalBluetoothManager mLocalManager;
private AlertDialog mDialog = null;
private List<Callback> mCallbacks = new ArrayList<Callback>();
/**
@@ -375,12 +377,29 @@ public class CachedBluetoothDevice implements Comparable<CachedBluetoothDevice>
}
};
new AlertDialog.Builder(context)
.setTitle(getName())
.setMessage(message)
if (mDialog == null) {
mDialog = new AlertDialog.Builder(context)
.setPositiveButton(android.R.string.ok, disconnectListener)
.setNegativeButton(android.R.string.cancel, null)
.show();
.create();
} else {
if (mDialog.isShowing()) {
mDialog.dismiss();
}
}
mDialog.setTitle(getName());
mDialog.setMessage(message);
mDialog.show();
}
@Override
protected void finalize() throws Throwable {
if (mDialog != null) {
mDialog.dismiss();
mDialog = null;
}
super.finalize();
}
public void connect() {

28
src/com/android/settings/vpn/VpnEditor.java
View File

@@ -19,6 +19,7 @@ package com.android.settings.vpn;
import com.android.settings.R;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.vpn.L2tpIpsecProfile;
@@ -44,6 +45,7 @@ import android.view.View;
public class VpnEditor extends PreferenceActivity {
private static final int MENU_SAVE = Menu.FIRST;
private static final int MENU_CANCEL = Menu.FIRST + 1;
private static final int CONFIRM_DIALOG_ID = 0;
private static final String KEY_PROFILE = "profile";
private static final String KEY_ORIGINAL_PROFILE_NAME = "orig_profile_name";
@@ -98,7 +100,7 @@ public class VpnEditor extends PreferenceActivity {
case MENU_CANCEL:
if (profileChanged()) {
showCancellationConfirmDialog();
showDialog(CONFIRM_DIALOG_ID);
} else {
finish();
}
@@ -171,8 +173,12 @@ public class VpnEditor extends PreferenceActivity {
}
}
private void showCancellationConfirmDialog() {
new AlertDialog.Builder(this)
@Override
protected Dialog onCreateDialog(int id) {
if (id == CONFIRM_DIALOG_ID) {
return new AlertDialog.Builder(this)
.setTitle(android.R.string.dialog_alert_title)
.setIcon(android.R.drawable.ic_dialog_alert)
.setMessage(mAddingProfile
@@ -185,7 +191,21 @@ public class VpnEditor extends PreferenceActivity {
}
})
.setNegativeButton(R.string.vpn_mistake_button, null)
.show();
.create();
}
return super.onCreateDialog(id);
}
@Override
protected void onPrepareDialog(int id, Dialog dialog) {
super.onPrepareDialog(id, dialog);
if (id == CONFIRM_DIALOG_ID) {
((AlertDialog)dialog).setMessage(mAddingProfile
? getString(R.string.vpn_confirm_add_profile_cancellation)
: getString(R.string.vpn_confirm_edit_profile_cancellation));
}
}
private VpnProfile getProfile() {