test(Notification): add update notification with FileDownloader demo

Closes #25

demo/src/main/AndroidManifest.xml

@@ -41,6 +41,10 @@
         <activity
             android:name=".TasksManagerDemoActivity"
             android:label="@string/tasks_manager_demo_title" />
+        <activity
+            android:name=".NotificationDemoActivity"
+            android:label="@string/notification_demo_title" />
+
     </application>
 
 </manifest>

demo/src/main/java/com/liulishuo/filedownloader/demo/MainActivity.java

@@ -53,6 +53,10 @@ public void onClickPerformance(final View view) {
         startActivity(new Intent(this, PerformanceTestActivity.class));
     }
 
+    public void onClickNotification(final View view){
+        startActivity(new Intent(this, NotificationDemoActivity.class));
+    }
+
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         getMenuInflater().inflate(R.menu.menu_main, menu);

demo/src/main/java/com/liulishuo/filedownloader/demo/NotificationDemoActivity.java

@@ -0,0 +1,219 @@
+/*
+ * Copyright (c) 2015 LingoChamp Inc.
+ *
+ * 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.liulishuo.filedownloader.demo;
+
+import android.app.Notification;
+import android.app.NotificationManager;
+import android.content.Context;
+import android.os.Bundle;
+import android.support.v4.app.NotificationCompat;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.ProgressBar;
+
+import com.liulishuo.filedownloader.BaseDownloadTask;
+import com.liulishuo.filedownloader.notification.FileDownloadNotificationListener;
+import com.liulishuo.filedownloader.FileDownloader;
+import com.liulishuo.filedownloader.model.FileDownloadStatus;
+import com.liulishuo.filedownloader.notification.BaseNotificationItem;
+import com.liulishuo.filedownloader.notification.FileDownloadNotificationHelper;
+import com.liulishuo.filedownloader.util.FileDownloadHelper;
+import com.liulishuo.filedownloader.util.FileDownloadUtils;
+
+import java.io.File;
+
+/**
+ * Created by Jacksgong on 2/2/16.
+ */
+public class NotificationDemoActivity extends AppCompatActivity {
+    private FileDownloadNotificationHelper<NotificationItem> notificationHelper;
+
+    String savePath = FileDownloadUtils.getDefaultSaveRootPath() + File.separator + "notification";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_notification_demo);
+        notificationHelper = new FileDownloadNotificationHelper<>();
+
+        assignViews();
+
+        showNotificationCb.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                if (!isChecked) {
+                    clear();
+                }
+            }
+        });
+
+    }
+
+    private int downloadId = 0;
+
+    public void onClickStart(final View view) {
+        downloadId = FileDownloader.getImpl().create(Constant.BIG_FILE_URLS[2])
+                .setPath(savePath)
+                .setListener(new FileDownloadNotificationListener(notificationHelper) {
+                    @Override
+                    protected BaseNotificationItem create(
+                            BaseDownloadTask task) {
+                        return new NotificationItem(task.getDownloadId(), "demo title", "demo desc");
+                    }
+
+                    @Override
+                    public void createNotification(BaseDownloadTask task) {
+                        super.createNotification(task);
+                        showNotificationCb.setEnabled(false);
+                    }
+
+                    @Override
+                    public void destroyNotification(BaseDownloadTask task) {
+                        super.destroyNotification(task);
+                        showNotificationCb.setEnabled(true);
+                    }
+
+                    @Override
+                    protected boolean interceptCancel(BaseDownloadTask task,
+                                                      BaseNotificationItem n) {
+                        // in this demo, I don't want to cancel the notification, just show for the test
+                        // so return true
+                        return true;
+                    }
+
+                    @Override
+                    protected boolean disableNotification(BaseDownloadTask task) {
+                        return !showNotificationCb.isChecked();
+                    }
+
+                    @Override
+                    protected void pending(BaseDownloadTask task, int soFarBytes, int totalBytes) {
+                        super.pending(task, soFarBytes, totalBytes);
+                        progressBar.setIndeterminate(true);
+                    }
+
+                    @Override
+                    protected void progress(BaseDownloadTask task, int soFarBytes, int totalBytes) {
+                        super.progress(task, soFarBytes, totalBytes);
+                        progressBar.setIndeterminate(false);
+                        progressBar.setMax(totalBytes);
+                        progressBar.setProgress(soFarBytes);
+                    }
+
+                    @Override
+                    protected void completed(BaseDownloadTask task) {
+                        super.completed(task);
+                        progressBar.setIndeterminate(false);
+                        progressBar.setProgress(task.getSmallFileTotalBytes());
+                    }
+                })
+                .start();
+    }
+
+    public void onClickPause(final View view) {
+        FileDownloader.getImpl().pause(downloadId);
+    }
+
+    public void onClickDelete(final View view) {
+        final File file = new File(savePath);
+        if (file.exists()) {
+            file.delete();
+        }
+    }
+
+    public static class NotificationItem extends BaseNotificationItem {
+
+        private NotificationItem(int id, String title, String desc) {
+            super(id, title, desc);
+        }
+
+        @Override
+        public void show(boolean statusChanged, int status, boolean isShowProgress) {
+            NotificationCompat.Builder builder = new NotificationCompat.
+                    Builder(FileDownloadHelper.getAppContext());
+
+            String desc = getDesc();
+            switch (status) {
+                case FileDownloadStatus.pending:
+                    desc += " pending";
+                    break;
+                case FileDownloadStatus.progress:
+                    desc += " progress";
+                    break;
+                case FileDownloadStatus.retry:
+                    desc += " retry";
+                    break;
+                case FileDownloadStatus.error:
+                    desc += " error";
+                    break;
+                case FileDownloadStatus.paused:
+                    desc += " paused";
+                    break;
+                case FileDownloadStatus.completed:
+                    desc += " completed";
+                    break;
+                case FileDownloadStatus.warn:
+                    desc += " warn";
+                    break;
+            }
+
+            builder.setDefaults(Notification.DEFAULT_LIGHTS)
+                    .setOngoing(true)
+                    .setPriority(NotificationCompat.PRIORITY_MIN)
+                    .setContentTitle(getTitle())
+                    .setContentText(desc)
+                    .setSmallIcon(R.mipmap.ic_launcher);
+
+            if (statusChanged) {
+                builder.setTicker(desc);
+            }
+
+            builder.setProgress(getTotal(), getSofar(), !isShowProgress);
+            getManager().notify(getId(), builder.build());
+        }
+    }
+
+    @Override
+    protected void onDestroy() {
+        this.notificationHelper.clear();
+        clear();
+        super.onDestroy();
+    }
+
+    private void clear() {
+        if (downloadId == 0) {
+            return;
+        }
+        /**
+         * why not use {@link FileDownloadNotificationHelper#clear()} directly?
+         * @see FileDownloadNotificationListener#interceptCancel(BaseDownloadTask, BaseNotificationItem)
+         */
+        ((NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE)).
+                cancel(downloadId);
+    }
+
+    private CheckBox showNotificationCb;
+    private ProgressBar progressBar;
+
+    private void assignViews() {
+        showNotificationCb = (CheckBox) findViewById(R.id.show_notification_cb);
+        progressBar = (ProgressBar) findViewById(R.id.progressBar);
+    }
+
+}

demo/src/main/res/layout/activity_main.xml

@@ -29,5 +29,10 @@
         android:onClick="onClickPerformance"
         android:text="@string/performance_test_title" />
 
+    <Button
+        style="@style/DemoButton"
+        android:onClick="onClickNotification"
+        android:text="@string/notification_demo_title" />
+
 
 </LinearLayout>

demo/src/main/res/layout/activity_notification_demo.xml

@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2015 LingoChamp Inc.
+  ~
+  ~ 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.
+  -->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@android:color/white"
+    android:orientation="vertical"
+    android:padding="10dp">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="5dp"
+        android:orientation="horizontal">
+
+        <Button
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1.0"
+            android:onClick="onClickStart"
+            android:text="@string/start"
+            android:textColor="#000000"
+            android:textSize="14sp" />
+
+        <Button
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1.0"
+            android:onClick="onClickPause"
+            android:text="@string/pause"
+            android:textColor="#000000"
+            android:textSize="14sp" />
+
+        <Button
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1.0"
+            android:onClick="onClickDelete"
+            android:text="@string/delete"
+            android:textColor="#000000"
+            android:textSize="14sp" />
+    </LinearLayout>
+
+
+    <CheckBox
+        android:id="@+id/show_notification_cb"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:checked="true"
+        android:text="@string/notification_demo_show"
+        android:textColor="@android:color/black"
+        android:textSize="16sp" />
+
+    <ProgressBar
+        android:id="@+id/progressBar"
+        style="?android:attr/progressBarStyleHorizontal"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:layout_margin="5dp" />
+
+</LinearLayout>

demo/src/main/res/values-zh/strings.xml

@@ -51,4 +51,8 @@
     <string name="hybrid_test_multiple_tasks_serial_title">多任务队列串行下载</string>
     <string name="hybrid_test_single_task_title">单任务下载测试</string>
     <string name="avoid_missing_screen_frames">避免掉帧</string>
+
+
+    <string name="notification_demo_title">下载通知案例</string>
+    <string name="notification_demo_show">显示通知</string>
 </resources>

demo/src/main/res/values/strings.xml

@@ -37,4 +37,6 @@
     <string name="hybrid_test_single_task_title">Execute single task</string>
     <string name="avoid_missing_screen_frames">Avoid Missing Screen Frames</string>
 
+    <string name="notification_demo_title">Notification Demo</string>
+    <string name="notification_demo_show">Show the Notification</string>
 </resources>