Lockscreen Wallpaper

Custom lockscreen Accessible via launcher wallpaper selector and Settings - Display - Wallpaper - Lock screen Change-Id: I2e4722d1a6d4ba80a3c656306ceb251d630a8e21 Conflicts: packages/Keyguard/src/com/android/keyguard/KeyguardViewManager.java Themes: Keyguard: Fix NPE setting lockscreen wallpaper After boot the view might not be laid out and so getWidth() and getHeight() return 0 and will cause a NullPointerException in createBitmap(). Bug AOSPA-448 Change-Id: Ibacf4199a69709dc34d21695732c2a5360533a23 Signed-off-by: Dirk Rettschlag <[email protected]> Keyguard: fix NPE setting lockscreen wallpaper Continue previous patchset (check history) ------- Cherry-picked commit ------- After boot the view might not be laid out and so getWidth() and getHeight() return 0 and will cause a NullPointerException in createBitmap(). Signed-off-by: Dirk Rettschlag <[email protected]>
SlimSaber · Sep 8, 2014 · 1501db3 · 1501db3
1 parent aa731e1
commit 1501db3
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Showing 11 changed files with 638 additions and 2 deletions.
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardViewManager.java b/packages/Keyguard/src/com/android/keyguard/KeyguardViewManager.java
@@ -18,6 +18,7 @@
 package com.android.keyguard;
 
 import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.TransitionDrawable;
@@ -31,6 +32,7 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.content.pm.ActivityInfo;
 import android.content.res.Configuration;
 import android.content.res.Resources;
@@ -68,6 +70,8 @@
 import android.view.WindowManager;
 import android.widget.FrameLayout;
 
+import java.io.File;
+
 /**
  * Manages creating, showing, hiding and resetting the keyguard.  Calls back
  * via {@link KeyguardViewMediator.ViewMediatorCallback} to poke
@@ -78,6 +82,8 @@ public class KeyguardViewManager {
     private final static boolean DEBUG = KeyguardViewMediator.DEBUG;
     private static String TAG = "KeyguardViewManager";
     public final static String IS_SWITCHING_USER = "is_switching_user";
+    private static final String INTENT_LOCKSCREEN_WALLPAPER_CHANGED = "lockscreen_changed";
+    private static final String LOCKSCREEN_IMAGE_FILE = "/lockwallpaper.sav";
 
     // Delay dismissing keyguard to allow animations to complete.
     private static final int HIDE_KEYGUARD_DELAY = 500;
@@ -99,7 +105,9 @@ public class KeyguardViewManager {
 
     private ViewManagerHost mKeyguardHost;
     private KeyguardHostView mKeyguardView;
+    private WallpaperObserver mReceiver;
 
+    private boolean mBackgroundInitialized;
     private boolean mScreenOn = false;
     private LockPatternUtils mLockPatternUtils;
 
@@ -109,9 +117,37 @@ public class KeyguardViewManager {
     private boolean mLockscreenNotifications = false;
 
     private Bitmap mBlurredImage = null;
+    private Bitmap mLockscreenBackground;
     private boolean mRotated = false;
     private int mLastRotation = 0;
 
+    class WallpaperObserver extends BroadcastReceiver {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction();
+            if (action.equals(INTENT_LOCKSCREEN_WALLPAPER_CHANGED)) {
+                customLockscreen();
+            }
+        }
+    }
+
+    private void customLockscreen() {
+        mLockscreenBackground = null;
+        String path =  mContext.getExternalCacheDir().getAbsolutePath();
+        path = path.replace("com.android.keyguard", "com.android.wallpapercropper");
+        File file = new File(path + LOCKSCREEN_IMAGE_FILE);
+        if (file.exists()) {
+            mLockscreenBackground = BitmapFactory.decodeFile(file.getAbsolutePath());
+        }
+    }
+
+    private void registerWallpaperReceiver() {
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(INTENT_LOCKSCREEN_WALLPAPER_CHANGED);
+        mReceiver = new WallpaperObserver();
+        mContext.registerReceiver(mReceiver, filter);
+    }
+
     private KeyguardUpdateMonitorCallback mBackgroundChanger = new KeyguardUpdateMonitorCallback() {
         @Override
         public void onSetBackground(Bitmap bmp) {
@@ -283,6 +319,22 @@ public int getOpacity() {
 
         public ViewManagerHost(Context context) {
             super(context);
+            registerWallpaperReceiver();
+            customLockscreen();
+
+            if (mLockscreenBackground == null) {
+                initBackground();
+            } else {
+                Drawable customLockscreen = new BitmapDrawable(mContext.getResources(),
+                                        mLockscreenBackground);
+                setBackground(customLockscreen);
+                mBackgroundInitialized = false;
+            }
+
+        }
+
+        public void initBackground() {
+            mBackgroundInitialized = true;
             setBackground(mBackgroundDrawable);
         }
 
@@ -317,6 +369,7 @@ public void drawToCanvas(Canvas canvas, Drawable drawable) {
         }
 
         public void setCustomBackground(Drawable d) {
+            if (!isLaidOut()) return;
             if (!ActivityManager.isHighEndGfx() || !mScreenOn) {
                 mCustomBackground = d;
                 if (d != null) {
@@ -498,8 +551,8 @@ private void maybeCreateKeyguardLocked(int rotationAngles, boolean force,
 
         mKeyguardHost.restoreHierarchyState(mStateContainer);
 
-        if (mBlurredImage != null) {
-            setCustomBackground(mBlurredImage);
+        if (mBlurredImage != null || mLockscreenBackground != null) {
+            setCustomBackground(mBlurredImage == null ? mLockscreenBackground : mBlurredImage);
         }
     }
 
@@ -724,6 +777,7 @@ public synchronized void hide() {
         }
 
         if (mKeyguardHost != null) {
+            if (!mBackgroundInitialized) mKeyguardHost.initBackground();
             mKeyguardHost.setVisibility(View.GONE);
 
             // We really only want to preserve keyguard state for configuration changes. Hence

diff --git a/packages/WallpaperCropper/AndroidManifest.xml b/packages/WallpaperCropper/AndroidManifest.xml
@@ -2,6 +2,9 @@
         package="com.android.wallpapercropper" >
         <uses-permission android:name="android.permission.SET_WALLPAPER" />
         <uses-permission android:name="android.permission.SET_WALLPAPER_HINTS" />
+        <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+        <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+        <uses-permission android:name="android.permission.WRITE_SETTINGS" />
 
         <application android:requiredForAllUsers="true">
         <activity
@@ -15,5 +18,16 @@
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
+        <activity
+            android:name="LockscreenWallpaper"
+            android:theme="@style/Theme.WallpaperCropper"
+            android:label="@string/pick_lockscreen"
+            android:icon="@mipmap/ic_lockscreen_wallpaper"
+            android:finishOnCloseSystemDialogs="true">
+            <intent-filter>
+                <action android:name="android.intent.action.SET_WALLPAPER" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
         </application>
 </manifest>
diff --git a/packages/WallpaperCropper/res/layout/actionbar_set_lockscreen.xml b/packages/WallpaperCropper/res/layout/actionbar_set_lockscreen.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 2013, 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"
+    style="?android:actionButtonStyle"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent" >
+    <TextView style="?android:actionBarTabTextStyle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="start|center_vertical"
+        android:paddingRight="20dp"
+        android:drawableLeft="@drawable/ic_actionbar_accept"
+        android:drawablePadding="8dp"
+        android:gravity="center_vertical"
+        android:text="@string/lockscreen_instructions" />
+</FrameLayout>
diff --git a/packages/WallpaperCropper/res/layout/blur_dialog.xml b/packages/WallpaperCropper/res/layout/blur_dialog.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 2014, ParanoidAndroid 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.
+*/
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/blur_dialog"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <SeekBar
+        android:id="@+id/blur_seekbar"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="14dp"
+        android:progress="16"
+        android:max="25" />
+</LinearLayout>
diff --git a/packages/WallpaperCropper/res/layout/lockscreen_main.xml b/packages/WallpaperCropper/res/layout/lockscreen_main.xml
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 2014, ParanoidAndroid 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.
+*/
+-->
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/lockscreen_root"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content">
+    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+        <ImageView android:id="@+id/picker_background"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:adjustViewBounds="true"
+        />
+    </LinearLayout>
+    <ImageView android:id="@+id/lockscreen_preview"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+    />
+    <Button
+        android:id="@+id/lockscreen_reset"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentBottom="true"
+        android:text="@string/lockscreen_reset" />
+    <Button
+        android:id="@+id/lockscreen_select"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerHorizontal="true"
+        android:layout_alignParentBottom="true"
+        android:text="@string/lockscreen_select" />
+    <Button
+        android:id="@+id/lockscreen_blur"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentRight="true"
+        android:layout_alignParentBottom="true"
+        android:text="@string/lockscreen_blur" />
+</RelativeLayout>
diff --git a/packages/WallpaperCropper/res/mipmap-hdpi/ic_lockscreen_wallpaper.png b/packages/WallpaperCropper/res/mipmap-hdpi/ic_lockscreen_wallpaper.png
diff --git a/packages/WallpaperCropper/res/mipmap-mdpi/ic_lockscreen_wallpaper.png b/packages/WallpaperCropper/res/mipmap-mdpi/ic_lockscreen_wallpaper.png
diff --git a/packages/WallpaperCropper/res/mipmap-xhdpi/ic_lockscreen_wallpaper.png b/packages/WallpaperCropper/res/mipmap-xhdpi/ic_lockscreen_wallpaper.png
diff --git a/packages/WallpaperCropper/res/mipmap-xxhdpi/ic_lockscreen_wallpaper.png b/packages/WallpaperCropper/res/mipmap-xxhdpi/ic_lockscreen_wallpaper.png
diff --git a/packages/WallpaperCropper/res/values/pa_strings.xml b/packages/WallpaperCropper/res/values/pa_strings.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2013 ParanoidAndroid 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 xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <string name="pick_lockscreen">Lock screen</string>
+    <string name="lockscreen_reset">Reset</string>
+    <string name="lockscreen_select">Browse</string>
+    <string name="lockscreen_blur">Blur</string>
+    <string name="blur_radius">Blur radius</string>
+    <string name="lockscreen_instructions">Set lockscreen image</string>
+    <string name="lockscreen_image_set">Lockscreen image updated</string>
+    <string name="lockscreen_image_reset">Lockscreen image reset</string>
+</resources>