| /* |
| * Copyright (C) 2019 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 android.bluetooth; |
| |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.content.DialogInterface; |
| import android.os.Bundle; |
| import android.view.ViewGroup; |
| import android.view.Window; |
| import android.view.accessibility.AccessibilityEvent; |
| |
| /** |
| * An activity that follows the visual style of an AlertDialog. |
| * |
| * @see #mAlert |
| * @see #setupAlert() |
| */ |
| public abstract class AlertActivity extends Activity implements DialogInterface.OnDismissListener, |
| DialogInterface.OnCancelListener { |
| |
| /** |
| * The model for the alert. |
| * |
| */ |
| protected AlertDialog.Builder mAlertBuilder; |
| private AlertDialog mAlert; |
| |
| public AlertActivity() {} |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| requestWindowFeature(Window.FEATURE_NO_TITLE); |
| mAlertBuilder = new AlertDialog.Builder(this); |
| mAlertBuilder.setOnDismissListener(this); |
| mAlertBuilder.setOnCancelListener(this); |
| } |
| |
| @Override |
| public void onDismiss(DialogInterface dialog) { |
| if (!isFinishing()) { |
| finish(); |
| } |
| } |
| |
| @Override |
| public void onCancel(DialogInterface dialog) { |
| if (!isFinishing()) { |
| finish(); |
| } |
| } |
| |
| @Override |
| public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { |
| return dispatchPopulateAccessibilityEvent(this, event); |
| } |
| |
| private static boolean dispatchPopulateAccessibilityEvent(Activity act, |
| AccessibilityEvent event) { |
| event.setClassName(Dialog.class.getName()); |
| event.setPackageName(act.getPackageName()); |
| |
| ViewGroup.LayoutParams params = act.getWindow().getAttributes(); |
| boolean isFullScreen = (params.width == ViewGroup.LayoutParams.MATCH_PARENT) |
| && (params.height == ViewGroup.LayoutParams.MATCH_PARENT); |
| event.setFullScreen(isFullScreen); |
| |
| return false; |
| } |
| |
| protected void setupAlert() { |
| mAlert = mAlertBuilder.create(); |
| mAlert.show(); |
| } |
| |
| protected void changeIconAttribute(int attrId) { |
| if (mAlert == null) return; |
| mAlert.setIconAttribute(attrId); |
| } |
| protected void changeTitle(CharSequence title) { |
| if (mAlert == null) return; |
| mAlert.setTitle(title); |
| } |
| |
| protected void changeButtonVisibility(int identifier, int visibility) { |
| if (mAlert == null) return; |
| mAlert.getButton(identifier).setVisibility(visibility); |
| } |
| |
| protected void changeButtonText(int identifier, CharSequence text) { |
| if (mAlert == null) return; |
| mAlert.getButton(identifier).setText(text); |
| } |
| |
| protected void changeButtonEnabled(int identifier, boolean enable) { |
| if (mAlert == null) return; |
| mAlert.getButton(identifier).setEnabled(enable); |
| } |
| |
| @Override |
| protected void onDestroy() { |
| if (mAlert != null) { |
| mAlert.dismiss(); |
| } |
| super.onDestroy(); |
| } |
| |
| } |