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Fix window leak problems in settings.

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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
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71
src/com/android/settings/ApnEditor.java
View File

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

59
src/com/android/settings/LanguageSettings.java
View File

@@ -56,6 +56,8 @@ public class LanguageSettings extends PreferenceActivity {
private String mLastInputMethodId; private String mLastInputMethodId;
private String mLastTickedInputMethodId; private String mLastTickedInputMethodId;
private AlertDialog mDialog = null;
static public String getInputMethodIdFromKey(String key) { static public String getInputMethodIdFromKey(String key) {
return key; return key;
} }
@@ -255,29 +257,35 @@ public class LanguageSettings extends PreferenceActivity {
if (selImi == null) { if (selImi == null) {
return super.onPreferenceTreeClick(preferenceScreen, preference); return super.onPreferenceTreeClick(preferenceScreen, preference);
} }
AlertDialog d = (new AlertDialog.Builder(this)) if (mDialog == null) {
.setTitle(android.R.string.dialog_alert_title) mDialog = (new AlertDialog.Builder(this))
.setIcon(android.R.drawable.ic_dialog_alert) .setTitle(android.R.string.dialog_alert_title)
.setMessage(getString(R.string.ime_security_warning, .setIcon(android.R.drawable.ic_dialog_alert)
selImi.getServiceInfo().applicationInfo.loadLabel( .setCancelable(true)
getPackageManager()))) .setPositiveButton(android.R.string.ok,
.setCancelable(true) new DialogInterface.OnClickListener() {
.setPositiveButton(android.R.string.ok, public void onClick(DialogInterface dialog, int which) {
new DialogInterface.OnClickListener() { chkPref.setChecked(true);
public void onClick(DialogInterface dialog, int which) { mLastTickedInputMethodId = id;
chkPref.setChecked(true); }
mLastTickedInputMethodId = id;
}
}) })
.setNegativeButton(android.R.string.cancel, .setNegativeButton(android.R.string.cancel,
new DialogInterface.OnClickListener() { new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
} }
}) })
.create(); .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)) { } else if (id.equals(mLastTickedInputMethodId)) {
mLastTickedInputMethodId = null; mLastTickedInputMethodId = null;
} }
@@ -302,4 +310,13 @@ public class LanguageSettings extends PreferenceActivity {
return super.onPreferenceTreeClick(preferenceScreen, preference); return super.onPreferenceTreeClick(preferenceScreen, preference);
} }
@Override
protected void onDestroy() {
super.onDestroy();
if (mDialog != null) {
mDialog.dismiss();
mDialog = null;
}
}
} }

35
src/com/android/settings/ProxySelector.java
View File

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

35
src/com/android/settings/SettingsSafetyLegalActivity.java
View File

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

31
src/com/android/settings/bluetooth/CachedBluetoothDevice.java
View File

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

52
src/com/android/settings/vpn/VpnEditor.java
View File

@@ -19,6 +19,7 @@ package com.android.settings.vpn;
import com.android.settings.R; import com.android.settings.R;
import android.app.AlertDialog; import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface; import android.content.DialogInterface;
import android.content.Intent; import android.content.Intent;
import android.net.vpn.L2tpIpsecProfile; import android.net.vpn.L2tpIpsecProfile;
@@ -44,6 +45,7 @@ import android.view.View;
public class VpnEditor extends PreferenceActivity { public class VpnEditor extends PreferenceActivity {
private static final int MENU_SAVE = Menu.FIRST; private static final int MENU_SAVE = Menu.FIRST;
private static final int MENU_CANCEL = Menu.FIRST + 1; 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_PROFILE = "profile";
private static final String KEY_ORIGINAL_PROFILE_NAME = "orig_profile_name"; private static final String KEY_ORIGINAL_PROFILE_NAME = "orig_profile_name";
@@ -98,7 +100,7 @@ public class VpnEditor extends PreferenceActivity {
case MENU_CANCEL: case MENU_CANCEL:
if (profileChanged()) { if (profileChanged()) {
showCancellationConfirmDialog(); showDialog(CONFIRM_DIALOG_ID);
} else { } else {
finish(); finish();
} }
@@ -171,21 +173,39 @@ public class VpnEditor extends PreferenceActivity {
} }
} }
private void showCancellationConfirmDialog() {
new AlertDialog.Builder(this) @Override
.setTitle(android.R.string.dialog_alert_title) protected Dialog onCreateDialog(int id) {
.setIcon(android.R.drawable.ic_dialog_alert)
.setMessage(mAddingProfile if (id == CONFIRM_DIALOG_ID) {
? R.string.vpn_confirm_add_profile_cancellation return new AlertDialog.Builder(this)
: R.string.vpn_confirm_edit_profile_cancellation) .setTitle(android.R.string.dialog_alert_title)
.setPositiveButton(R.string.vpn_yes_button, .setIcon(android.R.drawable.ic_dialog_alert)
new DialogInterface.OnClickListener() { .setMessage(mAddingProfile
public void onClick(DialogInterface dialog, int w) { ? R.string.vpn_confirm_add_profile_cancellation
finish(); : R.string.vpn_confirm_edit_profile_cancellation)
} .setPositiveButton(R.string.vpn_yes_button,
}) new DialogInterface.OnClickListener() {
.setNegativeButton(R.string.vpn_mistake_button, null) public void onClick(DialogInterface dialog, int w) {
.show(); finish();
}
})
.setNegativeButton(R.string.vpn_mistake_button, null)
.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() { private VpnProfile getProfile() {