این وبسایت یک نسخه آزمایشی از سایت developer android می‌باشد که در حال ترجمه می‌باشد.
برای پیوستن به تیم ترجمه و خواندن مستندات اینجا کلیک کنید.
LNotifications / src / com.example.android.lnotifications /

LNotificationActivity.java

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/*
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* Copyright 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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*     http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.lnotifications;
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import android.app.ActionBar;
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import android.app.Activity;
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import android.app.Fragment;
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import android.app.FragmentTransaction;
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import android.os.Bundle;
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/**
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 * Launcher Activity for the L Notification samples application.
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 */
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public class LNotificationActivity extends Activity {
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    @Override
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    protected void onCreate(Bundle savedInstanceState) {
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        super.onCreate(savedInstanceState);
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        setContentView(R.layout.activity_notification);
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        setTitle(R.string.title_lnotification_activity);
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        ActionBar actionBar = getActionBar();
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        // Use ViewPager in the support library where possible.
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        // At this time, the support library for L is not ready so using the deprecated method
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        // to create tabs.
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        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
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        ActionBar.Tab tabHeadsUpNotification = actionBar.newTab().setText("Heads Up");
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        ActionBar.Tab tabVisibilityMetadata = actionBar.newTab().setText("Visibility");
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        ActionBar.Tab tabOtherMetadata = actionBar.newTab().setText("Others");
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        tabHeadsUpNotification.setTabListener(new FragmentTabListener(HeadsUpNotificationFragment
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                .newInstance()));
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        tabVisibilityMetadata.setTabListener(new FragmentTabListener(VisibilityMetadataFragment
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                .newInstance()));
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        tabOtherMetadata.setTabListener(new FragmentTabListener(OtherMetadataFragment.newInstance
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                ()));
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        actionBar.addTab(tabHeadsUpNotification, 0);
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        actionBar.addTab(tabVisibilityMetadata, 1);
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        actionBar.addTab(tabOtherMetadata, 2);
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    }
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    /**
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     * TabListener that replaces a Fragment when a tab is clicked.
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     */
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    private static class FragmentTabListener implements ActionBar.TabListener {
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        public Fragment fragment;
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        public FragmentTabListener(Fragment fragment) {
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            this.fragment = fragment;
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        }
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        @Override
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        public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) {
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            //do nothing.
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        }
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        @Override
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        public void onTabSelected(ActionBar.Tab tab, FragmentTransaction ft) {
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            ft.replace(R.id.container, fragment);
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        }