Initial Contribution
diff --git a/src/com/android/settings/ApplicationSettings.java b/src/com/android/settings/ApplicationSettings.java
new file mode 100644
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+++ b/src/com/android/settings/ApplicationSettings.java
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+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings;
+
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.preference.CheckBoxPreference;
+import android.preference.Preference;
+import android.preference.PreferenceActivity;
+import android.preference.PreferenceScreen;
+import android.provider.Settings;
+
+public class ApplicationSettings extends PreferenceActivity implements
+ DialogInterface.OnClickListener {
+
+ private static final String KEY_TOGGLE_INSTALL_APPLICATIONS = "toggle_install_applications";
+
+ private CheckBoxPreference mToggleAppInstallation;
+
+ private DialogInterface mWarnInstallApps;
+
+ @Override
+ protected void onCreate(Bundle icicle) {
+ super.onCreate(icicle);
+
+ addPreferencesFromResource(R.xml.application_settings);
+
+ mToggleAppInstallation = (CheckBoxPreference) findPreference(KEY_TOGGLE_INSTALL_APPLICATIONS);
+ mToggleAppInstallation.setChecked(isNonMarketAppsAllowed());
+
+ }
+
+ @Override
+ public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
+ if (preference == mToggleAppInstallation) {
+ if (mToggleAppInstallation.isChecked()) {
+ mToggleAppInstallation.setChecked(false);
+ warnAppInstallation();
+ } else {
+ setNonMarketAppsAllowed(false);
+ }
+ }
+
+ return super.onPreferenceTreeClick(preferenceScreen, preference);
+ }
+
+ public void onClick(DialogInterface dialog, int which) {
+ if (dialog == mWarnInstallApps && which == DialogInterface.BUTTON1) {
+ setNonMarketAppsAllowed(true);
+ mToggleAppInstallation.setChecked(true);
+ }
+ }
+
+ private void setNonMarketAppsAllowed(boolean enabled) {
+ // Change the system setting
+ Settings.System.putInt(getContentResolver(), Settings.System.INSTALL_NON_MARKET_APPS,
+ enabled ? 1 : 0);
+ }
+
+ private boolean isNonMarketAppsAllowed() {
+ return Settings.System.getInt(getContentResolver(),
+ Settings.System.INSTALL_NON_MARKET_APPS, 0) > 0;
+ }
+
+ private void warnAppInstallation() {
+ mWarnInstallApps = new AlertDialog.Builder(this)
+ .setTitle(getString(R.string.error_title))
+ .setIcon(com.android.internal.R.drawable.ic_dialog_alert)
+ .setMessage(getResources().getString(R.string.install_all_warning))
+ .setPositiveButton(android.R.string.yes, this)
+ .setNegativeButton(android.R.string.no, null)
+ .show();
+ }
+
+
+}