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Commit aac9af46 authored by Tony Wickham's avatar Tony Wickham
Browse files

Prompt users to set wallpaper on lockscreen on N+. 

This CL handles all wallpapers except the default one, which will
be handled in a follow-up CL.

Change-Id: Ib8e4f18fb35b4c1442efb3893df75bf5f4f9b0d5
parent 9e48d0f2

WallpaperPicker/res/values/arrays.xml

0 → 100644
+22 −0
Original line number Diff line number Diff line 
<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright (C) 2016 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>

    <string-array name="which_wallpaper_options">

        <item>@string/which_wallpaper_option_home_screen</item>

        <item>@string/which_wallpaper_option_lock_screen</item>

        <item>@string/which_wallpaper_option_home_screen_and_lock_screen</item>

    </string-array>

</resources>
 
 No newline at end of file

WallpaperPicker/res/values/strings.xml

+7 −0
Original line number Diff line number Diff line
@@ -53,4 +53,11 @@ 
    <string name="pick_wallpaper">Wallpapers</string>

    <!-- Title of activity for cropping wallpapers -->

    <string name="crop_wallpaper">Crop wallpaper</string>



    <!-- Option for setting the wallpaper only on the home screen. -->

    <string name="which_wallpaper_option_home_screen">Home screen</string>

    <!-- Option for setting the wallpaper only on the lock screen. -->

    <string name="which_wallpaper_option_lock_screen">Lock screen</string>

    <!-- Option for setting the wallpaper on both the home screen and lock screen. -->

    <string name="which_wallpaper_option_home_screen_and_lock_screen">Home screen and lock screen</string>

</resources>

WallpaperPicker/src/com/android/gallery3d/common/BitmapCropTask.java

+18 −6
Original line number Diff line number Diff line
@@ -33,7 +33,9 @@ import android.os.AsyncTask; 
import android.util.Log;

import android.widget.Toast;



import com.android.launcher3.NycWallpaperUtils;

import com.android.launcher3.R;

import com.android.launcher3.Utilities;



import java.io.BufferedInputStream;

import java.io.ByteArrayInputStream;
@@ -42,7 +44,7 @@ import java.io.FileNotFoundException; 
import java.io.IOException;

import java.io.InputStream;



public class BitmapCropTask extends AsyncTask<Void, Void, Boolean> {

public class BitmapCropTask extends AsyncTask<Integer, Void, Boolean> {



    public interface OnBitmapCroppedHandler {

        public void onBitmapCropped(byte[] imageBytes);
@@ -175,7 +177,7 @@ public class BitmapCropTask extends AsyncTask<Void, Void, Boolean> { 
    public Bitmap getCroppedBitmap() {

        return mCroppedBitmap;

    }

    public boolean cropBitmap() {

    public boolean cropBitmap(int whichWallpaper) {

        boolean failure = false;
@@ -189,7 +191,11 @@ public class BitmapCropTask extends AsyncTask<Void, Void, Boolean> { 
            try {

                InputStream is = regenerateInputStream();

                if (is != null) {

                    if (!Utilities.isNycOrAbove()) {

                        wallpaperManager.setStream(is);

                    } else {

                        NycWallpaperUtils.setStream(mContext, is, null, true, whichWallpaper);

                    }

                    Utils.closeSilently(is);

                }

            } catch (IOException e) {
@@ -375,7 +381,13 @@ public class BitmapCropTask extends AsyncTask<Void, Void, Boolean> { 
                if (mSetWallpaper && wallpaperManager != null) {

                    try {

                        byte[] outByteArray = tmpOut.toByteArray();

                        if (!Utilities.isNycOrAbove()) {

                            wallpaperManager.setStream(new ByteArrayInputStream(outByteArray));

                        } else {

                            NycWallpaperUtils.setStream(mContext,

                                    new ByteArrayInputStream(outByteArray), null, true,

                                    whichWallpaper);

                        }

                        if (mOnBitmapCroppedHandler != null) {

                            mOnBitmapCroppedHandler.onBitmapCropped(outByteArray);

                        }
@@ -393,8 +405,8 @@ public class BitmapCropTask extends AsyncTask<Void, Void, Boolean> { 
    }



    @Override

    protected Boolean doInBackground(Void... params) {

        return cropBitmap();

    protected Boolean doInBackground(Integer... params) {

        return cropBitmap(params.length == 0 ? NycWallpaperUtils.FLAG_SET_SYSTEM : params[0]);

    }



    @Override

WallpaperPicker/src/com/android/launcher3/NycWallpaperUtils.java

0 → 100644
+79 −0
Original line number Diff line number Diff line 
package com.android.launcher3;



import android.app.AlertDialog;

import android.app.WallpaperManager;

import android.content.Context;

import android.content.DialogInterface;

import android.graphics.Rect;

import android.os.AsyncTask;



import java.io.IOException;

import java.io.InputStream;

import java.lang.reflect.InvocationTargetException;

import java.lang.reflect.Method;



/**

 * Utility class used to help set lockscreen wallpapers on N+.

 */

public class NycWallpaperUtils {

    public static final int FLAG_SET_SYSTEM = 1 << 0; // TODO: use WallpaperManager.FLAG_SET_SYSTEM

    public static final int FLAG_SET_LOCK = 1 << 1; // TODO: use WallpaperManager.FLAG_SET_LOCK



    /**

     * Calls cropTask.execute(), once the user has selected which wallpaper to set. On pre-N

     * devices, the prompt is not displayed since there is no API to set the lockscreen wallpaper.

     */

    public static void executeCropTaskAfterPrompt(

            Context context, final AsyncTask<Integer, ?, ?> cropTask,

            DialogInterface.OnCancelListener onCancelListener) {

        if (Utilities.isNycOrAbove()) {

            new AlertDialog.Builder(context)

                    .setTitle(R.string.wallpaper_instructions)

                    .setItems(R.array.which_wallpaper_options, new DialogInterface.OnClickListener() {

                        @Override

                        public void onClick(DialogInterface dialog, int selectedItemIndex) {

                            int whichWallpaper;

                            if (selectedItemIndex == 0) {

                                whichWallpaper = FLAG_SET_SYSTEM;

                            } else if (selectedItemIndex == 1) {

                                whichWallpaper = FLAG_SET_LOCK;

                            } else {

                                whichWallpaper = FLAG_SET_SYSTEM | FLAG_SET_LOCK;

                            }

                            cropTask.execute(whichWallpaper);

                        }

                    })

                    .setOnCancelListener(onCancelListener)

                    .show();

        } else {

            cropTask.execute(FLAG_SET_SYSTEM);

        }

    }



    public static void setStream(Context context, final InputStream data, Rect visibleCropHint,

            boolean allowBackup, int whichWallpaper) throws IOException {

        WallpaperManager wallpaperManager = WallpaperManager.getInstance(context);

        try {

            // TODO: use mWallpaperManager.setStream(data, visibleCropHint, allowBackup, which)

            // without needing reflection.

            Method setStream = WallpaperManager.class.getMethod("setStream", InputStream.class,

                    Rect.class, boolean.class, int.class);

            setStream.invoke(wallpaperManager, data, visibleCropHint, allowBackup, whichWallpaper);

        } catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException e) {

            // Fall back to previous implementation (set system)

            wallpaperManager.setStream(data);

        }

    }



    public static void clear(Context context, int whichWallpaper) throws IOException {

        WallpaperManager wallpaperManager = WallpaperManager.getInstance(context);

        try {

            // TODO: use mWallpaperManager.clear(whichWallpaper) without needing reflection.

            Method clear = WallpaperManager.class.getMethod("clear", int.class);

            clear.invoke(wallpaperManager, whichWallpaper);

        } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {

            // Fall back to previous implementation (clear system)

            wallpaperManager.clear();

        }

    }

}
 
 No newline at end of file

WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java

+20 −4
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ import android.app.ActionBar; 
import android.app.Activity;

import android.app.WallpaperManager;

import android.content.Context;

import android.content.DialogInterface;

import android.content.Intent;

import android.content.SharedPreferences;

import android.content.res.Configuration;
@@ -86,6 +87,18 @@ public class WallpaperCropActivity extends BaseActivity implements Handler.Callb 
    @Thunk Set<Bitmap> mReusableBitmaps =

            Collections.newSetFromMap(new WeakHashMap<Bitmap, Boolean>());



    private final DialogInterface.OnCancelListener mOnDialogCancelListener =

            new DialogInterface.OnCancelListener() {

                @Override

                public void onCancel(DialogInterface dialog) {

                    getActionBar().show();

                    View wallpaperStrip = findViewById(R.id.wallpaper_strip);

                    if (wallpaperStrip != null) {

                        wallpaperStrip.setVisibility(View.VISIBLE);

                    }

                }

            };



    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
@@ -242,6 +255,10 @@ public class WallpaperCropActivity extends BaseActivity implements Handler.Callb 
        }

    }



    public DialogInterface.OnCancelListener getOnDialogCancelListener() {

        return mOnDialogCancelListener;

    }



    protected void onLoadRequestComplete(LoadRequest req, boolean success) {

        mCurrentLoadRequest = null;

        if (success) {
@@ -326,7 +343,7 @@ public class WallpaperCropActivity extends BaseActivity implements Handler.Callb 
        };

        cropTask.setOnEndRunnable(onEndCrop);

        cropTask.setNoCrop(true);

        cropTask.execute();

        NycWallpaperUtils.executeCropTaskAfterPrompt(this, cropTask, getOnDialogCancelListener());

    }



    protected void cropImageAndSetWallpaper(Resources res, int resId,
@@ -335,8 +352,7 @@ public class WallpaperCropActivity extends BaseActivity implements Handler.Callb 
        // this device

        int rotation = BitmapUtils.getRotationFromExif(res, resId);

        Point inSize = mCropView.getSourceDimensions();

        Point outSize = WallpaperUtils.getDefaultWallpaperSize(getResources(),

                getWindowManager());

        Point outSize = WallpaperUtils.getDefaultWallpaperSize(getResources(), getWindowManager());

        RectF crop = Utils.getMaxCropRect(

                inSize.x, inSize.y, outSize.x, outSize.y, false);

        BitmapCropTask.OnEndCropHandler onEndCrop = new BitmapCropTask.OnEndCropHandler() {
@@ -355,7 +371,7 @@ public class WallpaperCropActivity extends BaseActivity implements Handler.Callb 
        };

        BitmapCropTask cropTask = new BitmapCropTask(getContext(), res, resId,

                crop, rotation, outSize.x, outSize.y, true, false, onEndCrop);

        cropTask.execute();

        NycWallpaperUtils.executeCropTaskAfterPrompt(this, cropTask, getOnDialogCancelListener());

    }



    @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)