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Update MD Launcher for large/external screens

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- Added support for multiple launcher activity instances.
- Launcher now shows default wallpaper as background.
- The activity now expands behind system decor windows.
- App drawer can be invoked by clicking on FAB.
- Apps can be pinned on the screen.
- Wallpaper setting flow can be started from launcher.
- UI is optimized for large and xlarge screens.
- Launching a new instance is now optional.
- Other minor UI tweaks.

Bug: 116684201
Bug: 112452592
Bug: 112451761
Test: Manual
Change-Id: I52b5efa4362eab7fcaa5d23923329b68b1783847
This commit is contained in:
Andrii Kulian
2018-09-28 18:37:56 -07:00
parent d99497ab31
commit 91ca37c380
25 changed files with 996 additions and 281 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
samples/MultiDisplay/Android.mk
View File

@@ -22,6 +22,11 @@ LOCAL_MODULE_TAGS := samples
# Only compile source java files in this apk. # Only compile source java files in this apk.
LOCAL_SRC_FILES := $(call all-java-files-under, src) LOCAL_SRC_FILES := $(call all-java-files-under, src)
LOCAL_STATIC_ANDROID_LIBRARIES += \
androidx.design_design \
androidx.lifecycle_lifecycle-livedata \
androidx.lifecycle_lifecycle-viewmodel
LOCAL_PACKAGE_NAME := MultiDisplay LOCAL_PACKAGE_NAME := MultiDisplay
LOCAL_SDK_VERSION := current LOCAL_SDK_VERSION := current

5
samples/MultiDisplay/AndroidManifest.xml
View File

@@ -22,7 +22,10 @@
android:label="@string/app_name"> android:label="@string/app_name">
<activity <activity
android:name=".launcher.LauncherActivity" android:name=".launcher.LauncherActivity"
android:label="@string/md_launcher"> android:label="@string/md_launcher"
android:theme="@style/LauncherTheme"
android:launchMode="singleTop"
android:configChanges="orientation|screenSize|smallestScreenSize|screenLayout|colorMode|density">
<intent-filter> <intent-filter>
<action android:name="android.intent.action.MAIN" /> <action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.HOME" /> <category android:name="android.intent.category.HOME" />

22
samples/MultiDisplay/res/drawable/ic_apps.xml Normal file
View File

@@ -0,0 +1,22 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2018 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.
-->
<vector android:height="24dp" android:tint="#FFFFFF"
android:viewportHeight="24.0" android:viewportWidth="24.0"
android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
<path android:fillColor="#FF000000" android:pathData="M4,8h4L8,4L4,4v4zM10,20h4v-4h-4v4zM4,20h4v-4L4,16v4zM4,14h4v-4L4,10v4zM10,14h4v-4h-4v4zM16,4v4h4L20,4h-4zM10,8h4L14,4h-4v4zM16,14h4v-4h-4v4zM16,20h4v-4h-4v4z"/>
</vector>

22
samples/MultiDisplay/res/drawable/ic_refresh.xml Normal file
View File

@@ -0,0 +1,22 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2018 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.
-->
<vector android:height="24dp" android:tint="#000000"
android:viewportHeight="24.0" android:viewportWidth="24.0"
android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
<path android:fillColor="#FF000000" android:pathData="M17.65,6.35C16.2,4.9 14.21,4 12,4c-4.42,0 -7.99,3.58 -7.99,8s3.57,8 7.99,8c3.73,0 6.84,-2.55 7.73,-6h-2.08c-0.82,2.33 -3.04,4 -5.65,4 -3.31,0 -6,-2.69 -6,-6s2.69,-6 6,-6c1.66,0 3.14,0.69 4.22,1.78L13,11h7V4l-2.35,2.35z"/>
</vector>

22
samples/MultiDisplay/res/drawable/ic_settings.xml Normal file
View File

@@ -0,0 +1,22 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2018 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.
-->
<vector android:height="24dp" android:tint="#FFFFFF"
android:viewportHeight="24.0" android:viewportWidth="24.0"
android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
<path android:fillColor="#FF000000" android:pathData="M19.43,12.98c0.04,-0.32 0.07,-0.64 0.07,-0.98s-0.03,-0.66 -0.07,-0.98l2.11,-1.65c0.19,-0.15 0.24,-0.42 0.12,-0.64l-2,-3.46c-0.12,-0.22 -0.39,-0.3 -0.61,-0.22l-2.49,1c-0.52,-0.4 -1.08,-0.73 -1.69,-0.98l-0.38,-2.65C14.46,2.18 14.25,2 14,2h-4c-0.25,0 -0.46,0.18 -0.49,0.42l-0.38,2.65c-0.61,0.25 -1.17,0.59 -1.69,0.98l-2.49,-1c-0.23,-0.09 -0.49,0 -0.61,0.22l-2,3.46c-0.13,0.22 -0.07,0.49 0.12,0.64l2.11,1.65c-0.04,0.32 -0.07,0.65 -0.07,0.98s0.03,0.66 0.07,0.98l-2.11,1.65c-0.19,0.15 -0.24,0.42 -0.12,0.64l2,3.46c0.12,0.22 0.39,0.3 0.61,0.22l2.49,-1c0.52,0.4 1.08,0.73 1.69,0.98l0.38,2.65c0.03,0.24 0.24,0.42 0.49,0.42h4c0.25,0 0.46,-0.18 0.49,-0.42l0.38,-2.65c0.61,-0.25 1.17,-0.59 1.69,-0.98l2.49,1c0.23,0.09 0.49,0 0.61,-0.22l2,-3.46c0.12,-0.22 0.07,-0.49 -0.12,-0.64l-2.11,-1.65zM12,15.5c-1.93,0 -3.5,-1.57 -3.5,-3.5s1.57,-3.5 3.5,-3.5 3.5,1.57 3.5,3.5 -1.57,3.5 -3.5,3.5z"/>
</vector>

63
samples/MultiDisplay/res/layout-sw600dp/activity_main.xml Normal file
View File

@@ -0,0 +1,63 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2018 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.
-->
<androidx.coordinatorlayout.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/RootView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/launcher_bg_color"
android:fitsSystemWindows="true" >
<GridView
android:id="@+id/pinned_app_grid"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="@dimen/app_grid_margin_top"
android:layout_marginStart="@dimen/app_grid_margin_left"
android:layout_marginEnd="@dimen/app_grid_margin_right"
android:columnWidth="@dimen/app_list_col_width"
android:verticalSpacing="@dimen/app_list_horizontal_spacing"
android:horizontalSpacing="@dimen/app_list_vertical_spacing"
android:numColumns="auto_fit" />
<ImageButton
android:id="@+id/OptionsButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|start"
android:layout_marginStart="@dimen/options_button_margin"
android:layout_marginBottom="@dimen/options_button_margin"
android:src="@drawable/ic_settings"
android:background="@null"/>
<View
android:id="@+id/Scrim"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/mtrl_background_scrim"
android:visibility="invisible"/>
<FrameLayout
android:layout_width="@dimen/app_picker_width"
android:layout_height="@dimen/app_picker_height"
android:layout_gravity="bottom|end"
android:layout_margin="@dimen/app_picker_fab_margin">
<include layout="@layout/app_picker_layout"/>
</FrameLayout>
</androidx.coordinatorlayout.widget.CoordinatorLayout>

64
samples/MultiDisplay/res/layout-sw720dp/activity_main.xml Normal file
View File

@@ -0,0 +1,64 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2018 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.
-->
<androidx.coordinatorlayout.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/RootView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/launcher_bg_color"
android:fitsSystemWindows="true" >
<GridView
android:id="@+id/pinned_app_grid"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="@dimen/app_grid_margin_top"
android:layout_marginStart="@dimen/app_grid_margin_left"
android:layout_marginEnd="@dimen/app_grid_margin_right"
android:columnWidth="@dimen/app_list_col_width"
android:verticalSpacing="@dimen/app_list_horizontal_spacing"
android:horizontalSpacing="@dimen/app_list_vertical_spacing"
android:numColumns="auto_fit" />
<ImageButton
android:id="@+id/OptionsButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|start"
android:layout_marginStart="@dimen/options_button_margin"
android:layout_marginBottom="@dimen/options_button_margin"
android:src="@drawable/ic_settings"
android:background="@null"/>
<View
android:id="@+id/Scrim"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/mtrl_background_scrim"
android:visibility="invisible"/>
<FrameLayout
android:layout_width="@dimen/app_picker_width"
android:layout_height="@dimen/app_picker_height"
android:layout_gravity="bottom|end"
android:layout_marginEnd="@dimen/app_picker_fab_margin"
android:layout_marginBottom="@dimen/app_picker_fab_margin">
<include layout="@layout/app_picker_layout"/>
</FrameLayout>
</androidx.coordinatorlayout.widget.CoordinatorLayout>

59
samples/MultiDisplay/res/layout/activity_main.xml
View File

@@ -15,33 +15,16 @@
~ limitations under the License. ~ limitations under the License.
--> -->
<LinearLayout <androidx.coordinatorlayout.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android" xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/RootView"
android:layout_width="match_parent" android:layout_width="match_parent"
android:layout_height="match_parent" android:layout_height="match_parent"
android:orientation="vertical"> android:background="@color/launcher_bg_color"
android:fitsSystemWindows="true" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Spinner
android:id="@+id/spinner"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/refresh"
android:onClick="updateDisplayList"/>
</LinearLayout>
<GridView <GridView
android:id="@+id/app_grid" android:id="@+id/pinned_app_grid"
android:layout_width="match_parent" android:layout_width="match_parent"
android:layout_height="match_parent" android:layout_height="match_parent"
android:layout_marginTop="@dimen/app_grid_margin_top" android:layout_marginTop="@dimen/app_grid_margin_top"
@@ -50,6 +33,32 @@
android:columnWidth="@dimen/app_list_col_width" android:columnWidth="@dimen/app_list_col_width"
android:verticalSpacing="@dimen/app_list_horizontal_spacing" android:verticalSpacing="@dimen/app_list_horizontal_spacing"
android:horizontalSpacing="@dimen/app_list_vertical_spacing" android:horizontalSpacing="@dimen/app_list_vertical_spacing"
android:numColumns="auto_fit"> android:numColumns="auto_fit" />
</GridView>
</LinearLayout> <ImageButton
android:id="@+id/OptionsButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|start"
android:layout_marginStart="@dimen/options_button_margin"
android:layout_marginBottom="@dimen/options_button_margin"
android:src="@drawable/ic_settings"
android:background="@null"/>
<View
android:id="@+id/Scrim"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/mtrl_background_scrim"
android:visibility="invisible" />
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="bottom|end"
android:layout_margin="@dimen/app_picker_fab_margin">
<include layout="@layout/app_picker_layout"/>
</FrameLayout>
</androidx.coordinatorlayout.widget.CoordinatorLayout>

2
samples/MultiDisplay/res/layout/app_grid_item.xml
View File

@@ -32,4 +32,4 @@
android:layout_height="wrap_content" android:layout_height="wrap_content"
android:gravity="center" android:gravity="center"
android:maxLines="1" /> android:maxLines="1" />
</LinearLayout> </LinearLayout>

34
samples/MultiDisplay/res/layout/app_picker_dialog.xml Normal file
View File

@@ -0,0 +1,34 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2018 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.
-->
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<GridView
android:id="@+id/picker_app_grid"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="@dimen/app_grid_margin_top"
android:layout_marginStart="@dimen/app_grid_margin_left"
android:layout_marginEnd="@dimen/app_grid_margin_right"
android:columnWidth="@dimen/app_list_col_width"
android:verticalSpacing="@dimen/app_list_horizontal_spacing"
android:horizontalSpacing="@dimen/app_list_vertical_spacing"
android:numColumns="auto_fit" />
</FrameLayout>

81
samples/MultiDisplay/res/layout/app_picker_layout.xml Normal file
View File

@@ -0,0 +1,81 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2018 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.
-->
<androidx.coordinatorlayout.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.circularreveal.cardview.CircularRevealCardView
android:id="@+id/FloatingSheet"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:visibility="invisible">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginStart="@dimen/app_grid_margin_left"
android:layout_marginEnd="@dimen/app_grid_margin_right"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/app_grid_margin_top"
android:orientation="horizontal">
<Spinner
android:id="@+id/spinner"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<ImageButton
android:id="@+id/RefreshButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_refresh"
android:background="@null"/>
</LinearLayout>
<CheckBox
android:id="@+id/NewInstanceCheckBox"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/app_grid_margin_top"
android:text="@string/new_instance" />
<GridView
android:id="@+id/app_grid"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="@dimen/app_grid_margin_top"
android:columnWidth="@dimen/app_list_col_width"
android:verticalSpacing="@dimen/app_list_horizontal_spacing"
android:horizontalSpacing="@dimen/app_list_vertical_spacing"
android:numColumns="auto_fit" />
</LinearLayout>
</android.support.design.circularreveal.cardview.CircularRevealCardView>
<android.support.design.widget.FloatingActionButton
android:id="@+id/FloatingActionButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:src="@drawable/ic_apps"/>
</androidx.coordinatorlayout.widget.CoordinatorLayout>

23
samples/MultiDisplay/res/menu/context_menu.xml Normal file
View File

@@ -0,0 +1,23 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2018 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.
-->
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/add_app_shortcut"
android:title="@string/add_app_shortcut" />
<item android:id="@+id/set_wallpaper"
android:title="@string/set_wallpaper" />
</menu>

22
samples/MultiDisplay/res/values-sw600dp/dimens.xml Normal file
View File

@@ -0,0 +1,22 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2018 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.
-->
<resources>
<dimen name="app_picker_width">400dp</dimen>
<dimen name="app_picker_height">400dp</dimen>
<dimen name="app_picker_fab_margin">60dp</dimen>
</resources>

22
samples/MultiDisplay/res/values-sw720dp/dimens.xml Normal file
View File

@@ -0,0 +1,22 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2018 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.
-->
<resources>
<dimen name="app_picker_width">660dp</dimen>
<dimen name="app_picker_height">660dp</dimen>
<dimen name="app_picker_fab_margin">70dp</dimen>
</resources>

21
samples/MultiDisplay/res/values/colors.xml Normal file
View File

@@ -0,0 +1,21 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2018 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.
-->
<resources>
<color name="mtrl_background_scrim">#76000000</color>
<color name="launcher_bg_color">#884e8391</color>
</resources>

6
samples/MultiDisplay/res/values/dimens.xml
View File

@@ -24,8 +24,12 @@
<dimen name="app_list_vertical_spacing">24dp</dimen> <dimen name="app_list_vertical_spacing">24dp</dimen>
<dimen name="app_icon_width">64dp</dimen> <dimen name="app_icon_width">64dp</dimen>
<dimen name="app_icon_height">64dp</dimen> <dimen name="app_icon_height">64dp</dimen>
<dimen name="app_grid_margin_bottom">48dp</dimen>
<dimen name="app_grid_margin_top">24dp</dimen> <dimen name="app_grid_margin_top">24dp</dimen>
<dimen name="app_grid_margin_left">8dp</dimen> <dimen name="app_grid_margin_left">8dp</dimen>
<dimen name="app_grid_margin_right">8dp</dimen> <dimen name="app_grid_margin_right">8dp</dimen>
<dimen name="app_picker_width">300dp</dimen>
<dimen name="app_picker_height">300dp</dimen>
<dimen name="app_picker_fab_margin">20dp</dimen>
<dimen name="options_button_margin">20dp</dimen>
</resources> </resources>

4
samples/MultiDisplay/res/values/strings.xml
View File

@@ -18,7 +18,9 @@
<resources> <resources>
<string name="app_name">MultiDisplay</string> <string name="app_name">MultiDisplay</string>
<string name="md_launcher">MD Launcher</string> <string name="md_launcher">MD Launcher</string>
<string name="refresh">Refresh</string>
<string name="couldnt_launch">Couldn\'t launch the activity</string> <string name="couldnt_launch">Couldn\'t launch the activity</string>
<string name="select_display">Select a display</string> <string name="select_display">Select a display</string>
<string name="add_app_shortcut">Add app shortcut</string>
<string name="set_wallpaper">Set wallpaper</string>
<string name="new_instance">Request launch in new instance</string>
</resources> </resources>

28
samples/MultiDisplay/res/values/styles.xml Normal file
View File

@@ -0,0 +1,28 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2018 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.
-->
<resources>
<style name="LauncherTheme" parent="Theme.AppCompat.Light.NoActionBar" >
<item name="android:windowShowWallpaper">true</item>
<item name="android:windowNoTitle">true</item>
<item name="android:windowIsTranslucent">true</item>
<item name="android:windowTranslucentStatus">true</item>
<item name="android:windowTranslucentNavigation">true</item>
<item name="android:colorBackgroundCacheHint">@null</item>
<item name="android:windowBackground">@android:color/transparent</item>
</style>
</resources>

12
samples/MultiDisplay/src/com/example/android/multidisplay/launcher/AppEntry.java
View File

@@ -25,6 +25,10 @@ import android.graphics.drawable.Drawable;
/** An entry that represents a single activity that can be launched. */ /** An entry that represents a single activity that can be launched. */
public class AppEntry { public class AppEntry {
private String mLabel;
private Drawable mIcon;
private Intent mLaunchIntent;
AppEntry(ResolveInfo info, PackageManager packageManager) { AppEntry(ResolveInfo info, PackageManager packageManager) {
mLabel = info.loadLabel(packageManager).toString(); mLabel = info.loadLabel(packageManager).toString();
mIcon = info.loadIcon(packageManager); mIcon = info.loadIcon(packageManager);
@@ -43,12 +47,12 @@ public class AppEntry {
Intent getLaunchIntent() { return mLaunchIntent; } Intent getLaunchIntent() { return mLaunchIntent; }
ComponentName getComponentName() {
return mLaunchIntent.getComponent();
}
@Override @Override
public String toString() { public String toString() {
return mLabel; return mLabel;
} }
private String mLabel;
private Drawable mIcon;
private Intent mLaunchIntent;
} }

135
samples/MultiDisplay/src/com/example/android/multidisplay/launcher/AppListLoader.java
View File

@@ -1,135 +0,0 @@
/**
* Copyright (c) 2018 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.example.android.multidisplay.launcher;
import android.content.AsyncTaskLoader;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import java.util.ArrayList;
import java.util.List;
/**
* A loader that queries the {@link PackageManager} for a list of activities that can be launched.
*/
public class AppListLoader extends AsyncTaskLoader<List<AppEntry>> {
private final PackageManager mPackageManager;
private List<AppEntry> mApps;
private PackageIntentReceiver mPackageObserver;
AppListLoader(Context context) {
super(context);
// Retrieve the package manager for later use; note we don't
// use 'context' directly but instead the save global application
// context returned by getContext().
mPackageManager = getContext().getPackageManager();
}
@Override
public List<AppEntry> loadInBackground() {
Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
List<ResolveInfo> apps = mPackageManager.queryIntentActivities(mainIntent,
PackageManager.GET_META_DATA);
List<AppEntry> entries = new ArrayList<>();
if (apps != null) {
for (ResolveInfo app : apps) {
AppEntry entry = new AppEntry(app, mPackageManager);
entries.add(entry);
}
}
return entries;
}
/**
* Called when there is new data to deliver to the client. The
* super class will take care of delivering it; the implementation
* here just adds a little more logic.
*/
@Override
public void deliverResult(List<AppEntry> apps) {
mApps = apps;
if (isStarted()) {
// If the Loader is currently started, we can immediately
// deliver its results.
super.deliverResult(apps);
}
}
/**
* Handles a request to start the Loader.
*/
@Override
protected void onStartLoading() {
if (mApps != null) {
// If we currently have a result available, deliver it
// immediately.
deliverResult(mApps);
}
// Start watching for changes in the app data.
if (mPackageObserver == null) {
mPackageObserver = new PackageIntentReceiver(this);
}
if (takeContentChanged() || mApps == null) {
// If the data has changed since the last time it was loaded
// or is not currently available, start a load.
forceLoad();
}
}
/**
* Handles a request to stop the Loader.
*/
@Override
protected void onStopLoading() {
// Attempt to cancel the current load task if possible.
cancelLoad();
}
/**
* Handles a request to completely reset the Loader.
*/
@Override
protected void onReset() {
super.onReset();
// Ensure the loader is stopped
onStopLoading();
// At this point we can release the resources associated with 'apps'
// if needed.
if (mApps != null) {
mApps = null;
}
// Stop monitoring for changes.
if (mPackageObserver != null) {
getContext().unregisterReceiver(mPackageObserver);
mPackageObserver = null;
}
}
}

125
samples/MultiDisplay/src/com/example/android/multidisplay/launcher/AppListViewModel.java Normal file
View File

@@ -0,0 +1,125 @@
/**
* Copyright (c) 2018 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.example.android.multidisplay.launcher;
import android.app.Application;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.AsyncTask;
import androidx.lifecycle.AndroidViewModel;
import androidx.lifecycle.LiveData;
import java.util.ArrayList;
import java.util.List;
/**
* A view model that provides a list of activities that can be launched.
*/
public class AppListViewModel extends AndroidViewModel {
private final AppListLiveData mLiveData;
private final PackageIntentReceiver mPackageIntentReceiver;
public AppListViewModel(Application application) {
super(application);
mLiveData = new AppListLiveData(application);
mPackageIntentReceiver = new PackageIntentReceiver(mLiveData, application);
}
public LiveData<List<AppEntry>> getAppList() {
return mLiveData;
}
protected void onCleared() {
getApplication().unregisterReceiver(mPackageIntentReceiver);
}
}
class AppListLiveData extends LiveData<List<AppEntry>> {
private final PackageManager mPackageManager;
private int mCurrentDataVersion;
public AppListLiveData(Context context) {
mPackageManager = context.getPackageManager();
loadData();
}
void loadData() {
final int loadDataVersion = ++mCurrentDataVersion;
new AsyncTask<Void, Void, List<AppEntry>>() {
@Override
protected List<AppEntry> doInBackground(Void... voids) {
Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
List<ResolveInfo> apps = mPackageManager.queryIntentActivities(mainIntent,
PackageManager.GET_META_DATA);
List<AppEntry> entries = new ArrayList<>();
if (apps != null) {
for (ResolveInfo app : apps) {
AppEntry entry = new AppEntry(app, mPackageManager);
entries.add(entry);
}
}
return entries;
}
@Override
protected void onPostExecute(List<AppEntry> data) {
if (mCurrentDataVersion == loadDataVersion) {
setValue(data);
}
}
}.execute();
}
}
/**
* Receiver used to notify live data about app list changes.
*/
class PackageIntentReceiver extends BroadcastReceiver {
private final AppListLiveData mLiveData;
public PackageIntentReceiver(AppListLiveData liveData, Context context) {
mLiveData = liveData;
IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED);
filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
filter.addDataScheme("package");
context.registerReceiver(this, filter);
// Register for events related to sdcard installation.
IntentFilter sdFilter = new IntentFilter();
sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE);
sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE);
context.registerReceiver(this, sdFilter);
}
@Override
public void onReceive(Context context, Intent intent) {
mLiveData.loadData();
}
}

259
samples/MultiDisplay/src/com/example/android/multidisplay/launcher/LauncherActivity.java
View File

@@ -16,46 +16,87 @@
package com.example.android.multidisplay.launcher; package com.example.android.multidisplay.launcher;
import static android.widget.Toast.LENGTH_LONG; import static com.example.android.multidisplay.launcher.PinnedAppListViewModel.PINNED_APPS_KEY;
import android.app.Activity; import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.app.ActivityOptions; import android.app.ActivityOptions;
import android.app.AlertDialog; import android.app.AlertDialog;
import android.app.LoaderManager; import android.app.Application;
import android.content.Context; import android.content.Context;
import android.content.Intent; import android.content.Intent;
import android.content.Loader; import android.content.res.Configuration;
import android.content.SharedPreferences;
import android.hardware.display.DisplayManager; import android.hardware.display.DisplayManager;
import android.os.Bundle; import android.os.Bundle;
import android.support.design.circularreveal.cardview.CircularRevealCardView;
import android.support.design.widget.FloatingActionButton;
import android.view.Display; import android.view.Display;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View; import android.view.View;
import android.view.ViewAnimationUtils;
import android.view.WindowManager;
import android.widget.AdapterView; import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemSelectedListener; import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter; import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.GridView; import android.widget.GridView;
import android.widget.ImageButton;
import android.widget.PopupMenu;
import android.widget.Spinner; import android.widget.Spinner;
import android.widget.Toast;
import com.example.android.multidisplay.R; import com.example.android.multidisplay.R;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Arrays; import java.util.Arrays;
import java.util.HashSet;
import java.util.List; import java.util.List;
import java.util.Set;
public class LauncherActivity extends Activity implements DisplayManager.DisplayListener, import androidx.fragment.app.FragmentActivity;
LoaderManager.LoaderCallbacks<List<AppEntry>>{ import androidx.fragment.app.FragmentManager;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.ViewModel;
import androidx.lifecycle.ViewModelProvider;
import androidx.lifecycle.ViewModelProvider.AndroidViewModelFactory;
/**
* Main launcher activity. It's launch mode is configured as "singleTop" to allow showing on
* multiple displays and to ensure a single instance per each display.
*/
public class LauncherActivity extends FragmentActivity implements AppPickedCallback,
PopupMenu.OnMenuItemClickListener {
private Spinner mDisplaySpinner; private Spinner mDisplaySpinner;
private List<Display> mDisplayList; private List<Display> mDisplayList;
private int mSelectedDisplayId; private int mSelectedDisplayId;
private View mScrimView;
private AppListAdapter mAppListAdapter; private AppListAdapter mAppListAdapter;
private AppListAdapter mPinnedAppListAdapter;
private CircularRevealCardView mAppDrawerView;
private FloatingActionButton mFab;
private CheckBox mNewInstanceCheckBox;
private boolean mAppDrawerShown;
@Override @Override
protected void onCreate(Bundle savedInstanceState) { protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main); setContentView(R.layout.activity_main);
mScrimView = findViewById(R.id.Scrim);
mAppDrawerView = findViewById(R.id.FloatingSheet);
mFab = findViewById(R.id.FloatingActionButton);
mFab.setOnClickListener((View v) -> {
showAppDrawer(true);
});
mScrimView.setOnClickListener((View v) -> {
showAppDrawer(false);
});
mDisplaySpinner = findViewById(R.id.spinner); mDisplaySpinner = findViewById(R.id.spinner);
mDisplaySpinner.setOnItemSelectedListener(new OnItemSelectedListener() { mDisplaySpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
@Override @Override
@@ -69,37 +110,93 @@ public class LauncherActivity extends Activity implements DisplayManager.Display
} }
}); });
final GridView appGridView = findViewById(R.id.app_grid); final ViewModelProvider viewModelProvider = new ViewModelProvider(getViewModelStore(),
mAppListAdapter = new AppListAdapter(this); new AndroidViewModelFactory((Application) getApplicationContext()));
appGridView.setAdapter(mAppListAdapter);
final OnItemClickListener itemClickListener = new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
final AppEntry entry = mAppListAdapter.getItem(position);
launch(entry.getLaunchIntent());
}
};
appGridView.setOnItemClickListener(itemClickListener);
getLoaderManager().initLoader(0, null, this); mPinnedAppListAdapter = new AppListAdapter(this);
final GridView pinnedAppGridView = findViewById(R.id.pinned_app_grid);
pinnedAppGridView.setAdapter(mPinnedAppListAdapter);
pinnedAppGridView.setOnItemClickListener((adapterView, view, position, id) -> {
final AppEntry entry = mPinnedAppListAdapter.getItem(position);
launch(entry.getLaunchIntent());
});
final PinnedAppListViewModel pinnedAppListViewModel =
viewModelProvider.get(PinnedAppListViewModel.class);
pinnedAppListViewModel.getPinnedAppList().observe(this, data -> {
mPinnedAppListAdapter.setData(data);
});
mAppListAdapter = new AppListAdapter(this);
final GridView appGridView = findViewById(R.id.app_grid);
appGridView.setAdapter(mAppListAdapter);
appGridView.setOnItemClickListener((adapterView, view, position, id) -> {
final AppEntry entry = mAppListAdapter.getItem(position);
launch(entry.getLaunchIntent());
});
final AppListViewModel appListViewModel = viewModelProvider.get(AppListViewModel.class);
appListViewModel.getAppList().observe(this, data -> {
mAppListAdapter.setData(data);
});
findViewById(R.id.RefreshButton).setOnClickListener(this::refreshDisplayPicker);
mNewInstanceCheckBox = findViewById(R.id.NewInstanceCheckBox);
ImageButton optionsButton = findViewById(R.id.OptionsButton);
optionsButton.setOnClickListener((View v) -> {
PopupMenu popup = new PopupMenu(this,v);
popup.setOnMenuItemClickListener(this);
MenuInflater inflater = popup.getMenuInflater();
inflater.inflate(R.menu.context_menu, popup.getMenu());
popup.show();
});
} }
@Override @Override
protected void onResume() { public boolean onMenuItemClick(MenuItem item) {
super.onResume(); // Respond to picking one of the popup menu items.
updateDisplayList(null); switch (item.getItemId()) {
case R.id.add_app_shortcut:
FragmentManager fm = getSupportFragmentManager();
PinnedAppPickerDialog pickerDialogFragment =
PinnedAppPickerDialog.newInstance(mAppListAdapter, this);
pickerDialogFragment.show(fm, "fragment_app_picker");
return true;
case R.id.set_wallpaper:
Intent intent = new Intent(Intent.ACTION_SET_WALLPAPER);
startActivity(Intent.createChooser(intent, getString(R.string.set_wallpaper)));
return true;
default:
return true;
}
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
showAppDrawer(false);
}
public void onBackPressed() {
// If the app drawer was shown - hide it. Otherwise, not doing anything since we don't want
// to close the launcher.
showAppDrawer(false);
}
public void onNewIntent(Intent intent) {
super.onNewIntent(intent);
// A new intent will bring the launcher to top. Hide the app drawer to reset the state.
showAppDrawer(false);
} }
void launch(Intent launchIntent) { void launch(Intent launchIntent) {
if (mSelectedDisplayId == -1) { if (mNewInstanceCheckBox.isChecked()) {
Toast.makeText(this, R.string.select_display, LENGTH_LONG).show(); launchIntent.addFlags(
return; Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
} }
launchIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
launchIntent.addFlags(Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
final ActivityOptions options = ActivityOptions.makeBasic(); final ActivityOptions options = ActivityOptions.makeBasic();
options.setLaunchDisplayId(mSelectedDisplayId); if (mSelectedDisplayId != Display.INVALID_DISPLAY) {
options.setLaunchDisplayId(mSelectedDisplayId);
}
try { try {
startActivity(launchIntent, options.toBundle()); startActivity(launchIntent, options.toBundle());
} catch (Exception e) { } catch (Exception e) {
@@ -112,34 +209,37 @@ public class LauncherActivity extends Activity implements DisplayManager.Display
} }
} }
/** private void refreshDisplayPicker(View view) {
* Read the list of currently connected displays and pick one. final WindowManager wm = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
* When the list changes it'll try to keep the previously selected display. If that one won't be final int currentDisplayId = wm.getDefaultDisplay().getDisplayId();
* available, it'll pick the display with biggest id (last connected).
*/
public void updateDisplayList(View view) {
final DisplayManager dm = (DisplayManager) getSystemService(Context.DISPLAY_SERVICE); final DisplayManager dm = (DisplayManager) getSystemService(Context.DISPLAY_SERVICE);
mDisplayList = Arrays.asList(dm.getDisplays()); mDisplayList = Arrays.asList(dm.getDisplays());
final List<String> spinnerItems = new ArrayList<>(); final List<String> spinnerItems = new ArrayList<>();
int preferredDisplayPosition = -1; int preferredDisplayPosition = -1;
int biggestId = -1, biggestPos = -1; int biggestId = -1, biggestPos = -1;
for (int i = 0; i < mDisplayList.size(); i++) { for (int i = 0; i < mDisplayList.size(); i++) {
final Display display = mDisplayList.get(i); final Display display = mDisplayList.get(i);
final int id = display.getDisplayId(); final int id = display.getDisplayId();
final boolean isDisplayPrivate = (display.getFlags() & Display.FLAG_PRIVATE) != 0; final boolean isDisplayPrivate = (display.getFlags() & Display.FLAG_PRIVATE) != 0;
spinnerItems.add("" + id + ": " + display.getName() final boolean isCurrentDisplay = id == currentDisplayId;
+ (isDisplayPrivate ? " (private)" : "")); if (isCurrentDisplay) {
if (id == mSelectedDisplayId) {
preferredDisplayPosition = i; preferredDisplayPosition = i;
} }
final StringBuilder sb = new StringBuilder();
if (isCurrentDisplay) {
sb.append("[Current display] ");
}
sb.append(id).append(": ").append(display.getName());
if (isDisplayPrivate) {
sb.append(" (private)");
}
spinnerItems.add(sb.toString());
if (display.getDisplayId() > biggestId) { if (display.getDisplayId() > biggestId) {
biggestId = display.getDisplayId(); biggestId = display.getDisplayId();
biggestPos = i; biggestPos = i;
} }
} }
if (preferredDisplayPosition == -1) {
preferredDisplayPosition = biggestPos;
}
mSelectedDisplayId = mDisplayList.get(preferredDisplayPosition).getDisplayId(); mSelectedDisplayId = mDisplayList.get(preferredDisplayPosition).getDisplayId();
final ArrayAdapter<String> displayAdapter = new ArrayAdapter<>(this, final ArrayAdapter<String> displayAdapter = new ArrayAdapter<>(this,
@@ -149,33 +249,62 @@ public class LauncherActivity extends Activity implements DisplayManager.Display
mDisplaySpinner.setSelection(preferredDisplayPosition); mDisplaySpinner.setSelection(preferredDisplayPosition);
} }
/**
* Store the picked app to persistent pinned list and update the loader.
*/
@Override @Override
public void onDisplayAdded(int displayId) { public void onAppPicked(AppEntry appEntry) {
updateDisplayList(null); final SharedPreferences sp = getSharedPreferences(PINNED_APPS_KEY, 0);
Set<String> pinnedApps = sp.getStringSet(PINNED_APPS_KEY, null);
if (pinnedApps == null) {
pinnedApps = new HashSet<String>();
} else {
// Always need to create a new object to make sure that the changes are persisted.
pinnedApps = new HashSet<String>(pinnedApps);
}
pinnedApps.add(appEntry.getComponentName().flattenToString());
final SharedPreferences.Editor editor = sp.edit();
editor.putStringSet(PINNED_APPS_KEY, pinnedApps);
editor.apply();
} }
@Override /**
public void onDisplayRemoved(int displayId) { * Show/hide app drawer card with animation.
updateDisplayList(null); */
private void showAppDrawer(boolean show) {
if (show == mAppDrawerShown) {
return;
}
final Animator animator = revealAnimator(mAppDrawerView, show);
if (show) {
mAppDrawerShown = true;
mAppDrawerView.setVisibility(View.VISIBLE);
mScrimView.setVisibility(View.VISIBLE);
mFab.setVisibility(View.INVISIBLE);
refreshDisplayPicker(null);
} else {
mAppDrawerShown = false;
mScrimView.setVisibility(View.INVISIBLE);
animator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
mAppDrawerView.setVisibility(View.INVISIBLE);
mFab.setVisibility(View.VISIBLE);
}
});
}
animator.start();
} }
@Override /**
public void onDisplayChanged(int displayId) { * Create reveal/hide animator for app list card.
updateDisplayList(null); */
} private Animator revealAnimator(View view, boolean open) {
final int radius = (int) Math.hypot((double) view.getWidth(), (double) view.getHeight());
@Override return ViewAnimationUtils.createCircularReveal(view, view.getRight(), view.getBottom(),
public Loader<List<AppEntry>> onCreateLoader(int id, Bundle args) { open ? 0 : radius, open ? radius : 0);
return new AppListLoader(this);
}
@Override
public void onLoadFinished(Loader<List<AppEntry>> loader, List<AppEntry> data) {
mAppListAdapter.setData(data);
}
@Override
public void onLoaderReset(Loader<List<AppEntry>> loader) {
mAppListAdapter.setData(null);
} }
} }

48
samples/MultiDisplay/src/com/example/android/multidisplay/launcher/PackageIntentReceiver.java
View File

@@ -1,48 +0,0 @@
/**
* Copyright (c) 2018 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.example.android.multidisplay.launcher;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
public class PackageIntentReceiver extends BroadcastReceiver {
final AppListLoader mLoader;
public PackageIntentReceiver(AppListLoader loader) {
mLoader = loader;
IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED);
filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
filter.addDataScheme("package");
mLoader.getContext().registerReceiver(this, filter);
// Register for events related to sdcard installation.
IntentFilter sdFilter = new IntentFilter();
sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE);
sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE);
mLoader.getContext().registerReceiver(this, sdFilter);
}
@Override
public void onReceive(Context context, Intent intent) {
// Tell the loader about the change.
mLoader.onContentChanged();
}
}

120
samples/MultiDisplay/src/com/example/android/multidisplay/launcher/PinnedAppListViewModel.java Normal file
View File

@@ -0,0 +1,120 @@
/**
* Copyright (c) 2018 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.example.android.multidisplay.launcher;
import static com.example.android.multidisplay.launcher.PinnedAppListViewModel.PINNED_APPS_KEY;
import android.app.Application;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.SharedPreferences;
import android.os.AsyncTask;
import androidx.lifecycle.AndroidViewModel;
import androidx.lifecycle.LiveData;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
/**
* A view model that provides a list of activities that were pinned by user to always display on
* home screen.
* The pinned activities are stored in {@link SharedPreferences} to keep the sample simple :).
*/
public class PinnedAppListViewModel extends AndroidViewModel {
final static String PINNED_APPS_KEY = "pinned_apps";
private final PinnedAppListLiveData mLiveData;
public PinnedAppListViewModel(Application application) {
super(application);
mLiveData = new PinnedAppListLiveData(application);
}
public LiveData<List<AppEntry>> getPinnedAppList() {
return mLiveData;
}
}
class PinnedAppListLiveData extends LiveData<List<AppEntry>> {
private final Context mContext;
private final PackageManager mPackageManager;
// Store listener reference, so it won't be GC-ed.
private final SharedPreferences.OnSharedPreferenceChangeListener mChangeListener;
private int mCurrentDataVersion;
public PinnedAppListLiveData(Context context) {
mContext = context;
mPackageManager = context.getPackageManager();
final SharedPreferences prefs = context.getSharedPreferences(PINNED_APPS_KEY, 0);
mChangeListener = (preferences, key) -> {
loadData();
};
prefs.registerOnSharedPreferenceChangeListener(mChangeListener);
loadData();
}
private void loadData() {
final int loadDataVersion = ++mCurrentDataVersion;
new AsyncTask<Void, Void, List<AppEntry>>() {
@Override
protected List<AppEntry> doInBackground(Void... voids) {
List<AppEntry> entries = new ArrayList<>();
final SharedPreferences sp = mContext.getSharedPreferences(PINNED_APPS_KEY, 0);
final Set<String> pinnedAppsComponents = sp.getStringSet(PINNED_APPS_KEY, null);
if (pinnedAppsComponents == null) {
return null;
}
for (String componentString : pinnedAppsComponents) {
final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
mainIntent.setComponent(ComponentName.unflattenFromString(componentString));
mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
final List<ResolveInfo> apps = mPackageManager.queryIntentActivities(mainIntent,
PackageManager.GET_META_DATA);
if (apps != null) {
for (ResolveInfo app : apps) {
final AppEntry entry = new AppEntry(app, mPackageManager);
entries.add(entry);
}
}
}
return entries;
}
@Override
protected void onPostExecute(List<AppEntry> data) {
if (mCurrentDataVersion == loadDataVersion) {
setValue(data);
}
}
}.execute();
}
}

73
samples/MultiDisplay/src/com/example/android/multidisplay/launcher/PinnedAppPickerDialog.java Normal file
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@@ -0,0 +1,73 @@
/**
* Copyright (c) 2018 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.example.android.multidisplay.launcher;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.GridView;
import com.example.android.multidisplay.R;
import androidx.fragment.app.DialogFragment;
/**
* Callback to be invoked when an app was picked.
*/
interface AppPickedCallback {
void onAppPicked(AppEntry appEntry);
}
/**
* Dialog that provides the user with a list of available apps to pin to the home screen.
*/
public class PinnedAppPickerDialog extends DialogFragment {
private AppListAdapter mAppListAdapter;
private AppPickedCallback mAppPickerCallback;
public PinnedAppPickerDialog() {
}
public static PinnedAppPickerDialog newInstance(AppListAdapter appListAdapter,
AppPickedCallback callback) {
PinnedAppPickerDialog frag = new PinnedAppPickerDialog();
frag.mAppListAdapter = appListAdapter;
frag.mAppPickerCallback = callback;
return frag;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.app_picker_dialog, container);
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
GridView appGridView = view.findViewById(R.id.picker_app_grid);
appGridView.setAdapter(mAppListAdapter);
appGridView.setOnItemClickListener((adapterView, itemView, position, id) -> {
final AppEntry entry = mAppListAdapter.getItem(position);
mAppPickerCallback.onAppPicked(entry);
dismiss();
});
}
}