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Merge pull request #5 from Xiue233/android_applet
feat: add Android widget about electricity and class table.
2 parents 460067a + 6cd8acd commit 8e4ee3b

22 files changed

+671
-198
lines changed

‎android/app/src/main/AndroidManifest.xml

Lines changed: 49 additions & 24 deletions
Original file line numberDiff line numberDiff line change
@@ -1,54 +1,79 @@
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
2-
package="org.superbart.watermeter">
2+
package="org.superbart.watermeter">
3+
34
<application
4-
android:label="Traintime PDA"
5-
android:name="${applicationName}"
6-
android:icon="@mipmap/ic_launcher">
5+
android:name="${applicationName}"
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android:icon="@mipmap/ic_launcher"
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android:label="Traintime PDA">
78
<activity
8-
android:name="MainActivity"
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android:exported="true"
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android:launchMode="singleTop"
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android:theme="@style/LaunchTheme"
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android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
13-
android:hardwareAccelerated="true"
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android:windowSoftInputMode="adjustResize">
9+
android:name="MainActivity"
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android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
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android:exported="true"
12+
android:hardwareAccelerated="true"
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android:launchMode="singleTop"
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android:theme="@style/LaunchTheme"
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android:windowSoftInputMode="adjustResize">
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<!-- Specifies an Android theme to apply to this Activity as soon as
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the Android process has started. This theme is visible to the user
1718
while the Flutter UI initializes. After that, this theme continues
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to determine the Window background behind the Flutter UI. -->
1920
<meta-data
20-
android:name="io.flutter.embedding.android.NormalTheme"
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android:resource="@style/NormalTheme"
22-
/>
21+
android:name="io.flutter.embedding.android.NormalTheme"
22+
android:resource="@style/NormalTheme" />
2323
<intent-filter>
24-
<action android:name="android.intent.action.MAIN"/>
25-
<category android:name="android.intent.category.LAUNCHER"/>
24+
<action android:name="android.intent.action.MAIN" />
25+
<category android:name="android.intent.category.LAUNCHER" />
2626
</intent-filter>
2727
</activity>
2828

29-
<receiver android:name="HomeWidgetExampleProvider" android:exported="true">
29+
<receiver
30+
android:name="ElectricityWidgetProvider"
31+
android:exported="true">
3032
<intent-filter>
3133
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
3234
</intent-filter>
33-
<meta-data android:name="android.appwidget.provider"
34-
android:resource="@xml/home_widget_example" />
35+
<meta-data
36+
android:name="android.appwidget.provider"
37+
android:resource="@xml/electricity_widget_config" />
38+
</receiver>
39+
40+
<receiver
41+
android:name="es.antonborri.home_widget.HomeWidgetBackgroundReceiver"
42+
android:exported="true">
43+
<intent-filter>
44+
<action android:name="es.antonborri.home_widget.action.BACKGROUND" />
45+
</intent-filter>
3546
</receiver>
3647

48+
<service
49+
android:name="es.antonborri.home_widget.HomeWidgetBackgroundService"
50+
android:exported="true"
51+
android:permission="android.permission.BIND_JOB_SERVICE" />
3752

38-
<receiver android:name="ClassTableViewProvider" android:exported="true">
53+
<receiver
54+
android:name="ClassTableWidgetProvider"
55+
android:exported="true">
3956
<intent-filter>
4057
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
4158
</intent-filter>
42-
<meta-data android:name="android.appwidget.provider"
43-
android:resource="@xml/home_widget_example" />
59+
<meta-data
60+
android:name="android.appwidget.provider"
61+
android:resource="@xml/classtable_widget_config" />
4462
</receiver>
4563

64+
<service
65+
android:name=".ClassTableItemsService"
66+
android:exported="true"
67+
android:permission="android.permission.BIND_REMOTEVIEWS" />
68+
69+
4670
<!-- Don't delete the meta-data below.
4771
This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
4872
<meta-data
49-
android:name="flutterEmbedding"
50-
android:value="2"/>
73+
android:name="flutterEmbedding"
74+
android:value="2" />
5175
</application>
76+
5277
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
5378
<uses-permission android:name="android.permission.INTERNET" />
5479
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

‎android/app/src/main/kotlin/org/superbart/watermeter/ClassTableItemsFactory.kt

Lines changed: 122 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,122 @@
1+
package org.superbart.watermeter
2+
3+
import android.widget.RemoteViews
4+
import android.widget.RemoteViewsService.RemoteViewsFactory
5+
import org.json.JSONObject
6+
7+
private val CLASS_INDEX_TIME = arrayOf(
8+
"08:30",
9+
"09:15",
10+
"09:20",
11+
"10:05",
12+
"10:25",
13+
"11:10",
14+
"11:15",
15+
"12:00",
16+
"14:00",
17+
"14:45",
18+
"14:50",
19+
"15:35",
20+
"15:55",
21+
"16:40",
22+
"16:45",
23+
"17:30",
24+
"19:00",
25+
"19:45",
26+
"19:55",
27+
"20:30",
28+
)
29+
30+
data class ClassItem(
31+
val name: String,
32+
val teacher: String,
33+
val start: Int,
34+
val end: Int,
35+
val classroom: String,
36+
val startTime: String,
37+
val endTime: String,
38+
)
39+
40+
class ClassTableItemsFactory(private val packageName: String) :
41+
RemoteViewsFactory {
42+
private val classItems = ArrayList<ClassItem>()
43+
44+
companion object {
45+
// It is difficult for RemoteViewsFactory to get access to SharedPreference.
46+
// However we need SharedPreference to act as data bridge between Native and Dart,
47+
// this json variable is used to store the latest data of class table.
48+
// Also see ClassTableWidgetProvider.onUpdate(...), in which the json is updated.
49+
var json = "{\"list\":[]}"
50+
@Synchronized
51+
set(value) {
52+
field = value
53+
}
54+
}
55+
56+
init {
57+
reloadData()
58+
}
59+
60+
private fun reloadData() {
61+
try {
62+
val jsonObject = JSONObject(ClassTableItemsFactory.json)
63+
val classList = jsonObject.getJSONArray("list")
64+
for (i in 0 until classList.length()) {
65+
classList.getJSONObject(i).run {
66+
val start = getInt("start_time")
67+
val end = getInt("end_time")
68+
classItems.add(
69+
ClassItem(
70+
getString("name"),
71+
getString("teacher"),
72+
start,
73+
end,
74+
getString("place"),
75+
CLASS_INDEX_TIME[start - 1],
76+
CLASS_INDEX_TIME[end - 1]
77+
)
78+
)
79+
}
80+
}
81+
} catch (e: Exception) {
82+
e.printStackTrace()
83+
}
84+
}
85+
86+
override fun onCreate() {
87+
}
88+
89+
override fun onDataSetChanged() {
90+
classItems.clear()
91+
reloadData()
92+
}
93+
94+
override fun onDestroy() {
95+
}
96+
97+
override fun getCount(): Int = classItems.size
98+
99+
override fun getViewAt(position: Int): RemoteViews? {
100+
if (position < 0 || position >= classItems.size) {
101+
return null
102+
}
103+
val classItem = classItems[position]
104+
return RemoteViews(packageName, R.layout.widget_classtable_item).apply {
105+
setTextViewText(R.id.widget_classtable_item_start, classItem.start.toString())
106+
setTextViewText(R.id.widget_classtable_item_end, classItem.end.toString())
107+
setTextViewText(R.id.widget_classtable_item_start_time, classItem.startTime)
108+
setTextViewText(R.id.widget_classtable_item_end_time, classItem.endTime)
109+
setTextViewText(R.id.widget_classtable_item_name, classItem.name)
110+
setTextViewText(R.id.widget_classtable_item_classroom, classItem.classroom)
111+
setTextViewText(R.id.widget_classtable_item_teacher, classItem.teacher)
112+
}
113+
}
114+
115+
override fun getLoadingView(): RemoteViews? = null
116+
117+
override fun getViewTypeCount(): Int = 1
118+
119+
override fun getItemId(position: Int): Long = position.toLong()
120+
121+
override fun hasStableIds(): Boolean = false
122+
}

‎android/app/src/main/kotlin/org/superbart/watermeter/ClassTableItemsService.kt

Lines changed: 12 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,12 @@
1+
package org.superbart.watermeter
2+
3+
import android.content.Intent
4+
import android.widget.RemoteViewsService
5+
import org.superbart.watermeter.ClassTableItemsFactory
6+
7+
class ClassTableItemsService : RemoteViewsService() {
8+
override fun onGetViewFactory(intent: Intent?): RemoteViewsFactory =
9+
ClassTableItemsFactory(
10+
intent!!.getStringExtra("packageName")!!
11+
)
12+
}

‎android/app/src/main/kotlin/org/superbart/watermeter/ClassTableViewProvider.kt

Lines changed: 0 additions & 50 deletions
This file was deleted.

‎android/app/src/main/kotlin/org/superbart/watermeter/ClassTableWidgetProvider.kt

Lines changed: 89 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,89 @@
1+
package org.superbart.watermeter
2+
3+
import android.app.PendingIntent
4+
import android.appwidget.AppWidgetManager
5+
import android.content.Context
6+
import android.content.Intent
7+
import android.content.SharedPreferences
8+
import android.net.Uri
9+
import android.os.Build
10+
import android.os.Bundle
11+
import android.util.Log
12+
import android.widget.RemoteViews
13+
import es.antonborri.home_widget.HomeWidgetBackgroundIntent
14+
import es.antonborri.home_widget.HomeWidgetPlugin
15+
import es.antonborri.home_widget.HomeWidgetProvider
16+
17+
private object ClassTableWidgetKeys {
18+
const val SWITCHER_NEXT = "class_table_switcher_next"
19+
const val DATE = "class_table_date"
20+
const val CLASS_TABLE_JSON = "class_table_json"
21+
}
22+
23+
class ClassTableWidgetProvider : HomeWidgetProvider() {
24+
override fun onAppWidgetOptionsChanged(
25+
context: Context,
26+
appWidgetManager: AppWidgetManager,
27+
appWidgetId: Int,
28+
newOptions: Bundle
29+
) {
30+
super.onAppWidgetOptionsChanged(context, appWidgetManager, appWidgetId, newOptions)
31+
onUpdate(context, appWidgetManager, arrayOf(appWidgetId).toIntArray())
32+
}
33+
34+
override fun onUpdate(
35+
context: Context,
36+
appWidgetManager: AppWidgetManager,
37+
appWidgetIds: IntArray,
38+
widgetData: SharedPreferences
39+
) {
40+
//cache context
41+
//when ClassTableItemsService loads data, the context is needed for SharePreference.
42+
widgetData.registerOnSharedPreferenceChangeListener { sharedPreferences, key ->
43+
if (ClassTableWidgetKeys.CLASS_TABLE_JSON == key) {
44+
ClassTableItemsFactory.json = sharedPreferences.getString(key, "{\"list\":[]}")!!
45+
}
46+
}
47+
appWidgetIds.forEach { widgetID ->
48+
val views = RemoteViews(
49+
context.packageName,
50+
R.layout.widget_class_table_layout
51+
).apply {
52+
setImageViewResource(
53+
R.id.widget_classtable_switcher,
54+
if (widgetData.getBoolean(ClassTableWidgetKeys.SWITCHER_NEXT, true)) {
55+
R.drawable.icon_next
56+
} else {
57+
R.drawable.icon_previous
58+
}
59+
)
60+
setOnClickPendingIntent(
61+
R.id.widget_classtable_switcher,
62+
HomeWidgetBackgroundIntent.getBroadcast(
63+
context,
64+
Uri.parse("widget://switcherClicked?widgetName=ClassTable")
65+
)
66+
)
67+
setTextViewText(
68+
R.id.widget_classtable_date,
69+
widgetData.getString(ClassTableWidgetKeys.DATE, "Date Loading...")
70+
)
71+
//load class items
72+
val intent = Intent(context, ClassTableItemsService::class.java)
73+
intent.setData(Uri.parse(intent.toUri(Intent.URI_INTENT_SCHEME)));
74+
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, widgetID)
75+
intent.putExtra(
76+
"json",
77+
widgetData.getString(ClassTableWidgetKeys.CLASS_TABLE_JSON, "{\"list\":[]}")
78+
)
79+
intent.putExtra("packageName", context.packageName)
80+
setRemoteAdapter(R.id.widget_classtable_list, intent)
81+
}
82+
appWidgetManager.updateAppWidget(widgetID, views)
83+
}
84+
appWidgetManager.notifyAppWidgetViewDataChanged(
85+
appWidgetIds,
86+
R.id.widget_classtable_list
87+
)
88+
}
89+
}

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