Android 分别设置锁屏和桌面壁纸的实现

新公司第一个修改的需求，可以设置桌面壁纸；设置锁屏壁纸；同时设置桌面和锁屏壁纸，锁屏壁纸只能用静态的图片 效果如下所示:

直接贴代码，

diff --git a/alps/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/alps/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index f808eba..8e5f0cb 100755
--- a/alps/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/alps/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -211,6 +211,15 @@ import java.lang.reflect.Field;
 import android.widget.TextView;
 /// @}
 
+//add by frankchen
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.Paint;
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import android.graphics.Bitmap.CompressFormat;
+
 public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
         DragDownHelper.DragDownCallback, ActivityStarter, OnUnlockMethodChangedListener,
         HeadsUpManager.OnHeadsUpChangedListener {
@@ -254,6 +263,16 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
      * The delay to reset the hint text when the hint animation is finished running.
      */
     private static final int HINT_RESET_DELAY_MS = 1200;
+	
+	//add by frankchen start
+	
+	private byte[] outByteArray =null;
+	private Bitmap bitmap_receive=null;
+	
+	private File appDir = new File("/data/data/com.android.systemui", "locked");;
+	private static String lockfileName = "lockwallpaper" + ".jpg";
+	
+	//add by frankchen end
 
     private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
             .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
@@ -1004,6 +1023,12 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
         filter.addAction(Intent.ACTION_USER_PRESENT);
         
         context.registerReceiverAsUser(mBroadcastReceiver, UserHandle.ALL, filter, null, null);
+		
+		//add by frankchen start
+		 IntentFilter filter_hy = new IntentFilter();
+        filter_hy.addAction("android.yue.lockscreen.action");
+		context.registerReceiverAsUser(mTestReceiver, UserHandle.ALL, filter_hy, null, null);
+		//add by frankchen end
 
         IntentFilter demoFilter = new IntentFilter();
         if (DEBUG_MEDIA_FAKE_ARTWORK) {
@@ -3459,6 +3484,9 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
         }
         mContext.unregisterReceiver(mBroadcastReceiver);
         mContext.unregisterReceiver(mDemoReceiver);
+		
+		mContext.unregisterReceiver(mTestReceiver);
+		
         mAssistManager.destroy();
 
         final SignalClusterView signalCluster =
@@ -3789,7 +3817,8 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
                     goingToFullShade || mState == StatusBarState.SHADE_LOCKED || fromShadeLocked);
         }
         if (mState == StatusBarState.KEYGUARD || mState == StatusBarState.SHADE_LOCKED) {
-                if(i== 1){
+               /*frankchen
+			   if(i== 1){
                   mHolder.setBackgroundResource(R.drawable.a1);
                 }else if(i==2){
                   mHolder.setBackgroundResource(R.drawable.a2);
@@ -3810,7 +3839,19 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
 				}else if(i==10){
                   mHolder.setBackgroundResource(R.drawable.a10);
 				}
-			
+				/*/
+				Bitmap bm =getImage();
+				 Log.d(TAG, "getImage getImage bm ===" + bm);
+				if (bm != null) {
+            Drawable dr = new BitmapDrawable(mContext.getResources(), generateBitmap(bm, 480, 854));
+            dr.setDither(false);
+            mHolder.setBackground(dr);
+            }else
+            {
+               // mHolder.setBackgroundResource(0);
+			   mHolder.setBackgroundResource(R.drawable.a1);
+            }
+			//*/			
             mScrimController.setKeyguardShowing(true);
             mIconPolicy.setKeyguardShowing(true);
         } else {
@@ -3833,6 +3874,110 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
         mKeyguardMonitor.notifyKeyguardState(mStatusBarKeyguardViewManager.isShowing(),
                 mStatusBarKeyguardViewManager.isSecure());
     }
+	
+	//add by frankchen start
+	
+	private void saveImage(Bitmap bmp) {
+       
+        if (!appDir.exists()) {
+            appDir.mkdir();
+        }
+        
+        File file = new File(appDir, lockfileName);
+        try {
+            FileOutputStream fos = new FileOutputStream(file);
+            bmp.compress(CompressFormat.JPEG, 100, fos);
+            fos.flush();
+            fos.close();
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+	
+	private Bitmap getImage()
+    {
+         File file = new File(appDir, lockfileName);
+         System.out.println(file.getPath());
+         if (file.exists()) {
+             Bitmap bitmap=BitmapFactory.decodeFile(file.getPath());
+             return bitmap;
+         }else
+         {       	 
+        	 return null;
+         }
+    }
+	
+	private BroadcastReceiver mTestReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if ("android.yue.lockscreen.action".equals(intent.getAction())) {
+               
+             outByteArray= intent.getExtras().getByteArray("outByteArray");
+			   Log.i("frankchen","outByteArray=====------ "+outByteArray);
+			   InputStream is = new ByteArrayInputStream(outByteArray);
+			   bitmap_receive = BitmapFactory.decodeStream(is);
+			   saveImage(bitmap_receive);
+            }
+        }
+    };
+	
+	private Bitmap generateBitmap(Bitmap bm, int width, int height) {
+        if (bm == null) {
+            return null;
+        }
+
+        bm.setDensity(DisplayMetrics.DENSITY_HIGH);
+
+        if (width <= 0 || height <= 0
+                || (bm.getWidth() == width && bm.getHeight() == height)) {
+            return bm;
+        }
+
+        // This is the final bitmap we want to return.
+        try {
+            Bitmap newbm = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+            newbm.setDensity(DisplayMetrics.DENSITY_HIGH);
+
+            Canvas c = new Canvas(newbm);
+            Rect targetRect = new Rect();
+            targetRect.right = bm.getWidth();
+            targetRect.bottom = bm.getHeight();
+
+            int deltaw = width - targetRect.right;
+            int deltah = height - targetRect.bottom;
+
+            if (deltaw > 0 || deltah > 0) {
+                // We need to scale up so it covers the entire area.
+                float scale;
+                if (deltaw > deltah) {
+                    scale = width / (float)targetRect.right;
+                } else {
+                    scale = height / (float)targetRect.bottom;
+                }
+                targetRect.right = (int)(targetRect.right*scale);
+                targetRect.bottom = (int)(targetRect.bottom*scale);
+                deltaw = width - targetRect.right;
+                deltah = height - targetRect.bottom;
+            }
+
+            targetRect.offset(deltaw/2, deltah/2);
+
+            Paint paint = new Paint();
+            paint.setFilterBitmap(true);
+            paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC));
+            c.drawBitmap(bm, null, targetRect, paint);
+
+            bm.recycle();
+            c.setBitmap(null);
+            return newbm;
+        } catch (OutOfMemoryError e) {
+            return bm;
+        }
+    }
+	
+	//add by frankchen end
 
     private void updateDozingState() {
         boolean animate = !mDozing && mDozeScrimController.isPulsing();
diff --git a/alps/packages/apps/LauncherL1/WallpaperPicker/res/values-zh-rCN/strings.xml b/alps/packages/apps/LauncherL1/WallpaperPicker/res/values-zh-rCN/strings.xml
index 1def9ed..44eeac1 100755
--- a/alps/packages/apps/LauncherL1/WallpaperPicker/res/values-zh-rCN/strings.xml
+++ b/alps/packages/apps/LauncherL1/WallpaperPicker/res/values-zh-rCN/strings.xml
@@ -33,4 +33,10 @@
     "选择图片"
     "壁纸"
     "剪裁壁纸"
+	
+	设置墙纸
+    设置桌面墙纸
+    设置锁屏墙纸
+    设置桌面和锁屏墙纸
+	
 
diff --git a/alps/packages/apps/LauncherL1/WallpaperPicker/res/values/strings.xml b/alps/packages/apps/LauncherL1/WallpaperPicker/res/values/strings.xml
index 1ee3513..0f860af 100755
--- a/alps/packages/apps/LauncherL1/WallpaperPicker/res/values/strings.xml
+++ b/alps/packages/apps/LauncherL1/WallpaperPicker/res/values/strings.xml
@@ -50,4 +50,11 @@
     Wallpapers
     
     Crop wallpaper
+	
+	
+	Set Wallpaper
+    Set home screen wallpaper
+    Set locked screen wallpaper
+    Set both
+	
 
diff --git a/alps/packages/apps/LauncherL1/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java b/alps/packages/apps/LauncherL1/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
index 8593525..23d1e45 100755
--- a/alps/packages/apps/LauncherL1/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
+++ b/alps/packages/apps/LauncherL1/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
@@ -67,6 +67,8 @@ import java.lang.SecurityException;
 import android.app.AlertDialog;
 import android.content.DialogInterface;
 
+//add by frankchen
+import android.content.DialogInterface.OnClickListener;
 
 public class WallpaperCropActivity extends Activity {
     private static final String LOGTAG = "Launcher3.CropActivity";
@@ -109,6 +111,8 @@ public class WallpaperCropActivity extends Activity {
     protected View mSetWallpaperButton;
 	private static int flag=-1;
 	
+	private static int mWallpaperMode=0;
+	
 	private static final boolean mIsOmaDrmSupport =
 			(SystemProperties.getInt("ro.mtk_oma_drm_support", 0) == 1) ? true : false;
 
@@ -142,6 +146,64 @@ public class WallpaperCropActivity extends Activity {
 		flag = mFlag;
 	}
 	
+	//add by frankchen start
+	 /**
+     * 单选Dialog
+     */
+    int choice=0;
+    private void showSingDialog(){
+		Intent cropIntent = getIntent();
+        final Uri imageUri = cropIntent.getData();
+
+        if (imageUri == null) {
+            Log.e(LOGTAG, "No URI passed in intent, exiting WallpaperCropActivity");
+            finish();
+            return;
+        }
+		
+        final String[] items = {getString(R.string.set_home_sreen_wallpaper),getString(R.string.set_locked_sreen_wallpaper),getString(R.string.set_both_home_locked)};
+        AlertDialog.Builder singleChoiceDialog = new AlertDialog.Builder(WallpaperCropActivity.this,4);
+      //  singleChoiceDialog.setIcon(R.drawable.ic_launcher);
+        singleChoiceDialog.setTitle(getString(R.string.set_wallpaper_title));
+        //
+        singleChoiceDialog.setSingleChoiceItems(items, 0, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                choice= which;
+            }
+        });
+        singleChoiceDialog.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                if (choice!=-1){
+				if(choice==0)
+				{
+					mWallpaperMode = 0;
+					cropImageAndSetWallpaper(imageUri, null, true); 
+				}else if(choice==1)
+				{
+					mWallpaperMode = 1;
+					cropImageAndSetWallpaper(imageUri, null, true); 
+				}else if(choice==2)
+				{
+					mWallpaperMode = 2;
+					cropImageAndSetWallpaper(imageUri, null, true); 
+				}
+                }
+            }
+        });
+        singleChoiceDialog.setNegativeButton(android.R.string.cancel, new OnClickListener() {
+			
+			@Override
+			public void onClick(DialogInterface dialog, int which) {
+				// TODO Auto-generated method stub
+				dialog.cancel();
+			}
+		});
+        singleChoiceDialog.show();
+    }
+	//add by frankchen end
+	
     protected void init() {
         setContentView(R.layout.wallpaper_cropper);
 
@@ -165,8 +227,12 @@ public class WallpaperCropActivity extends Activity {
                 new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
+						/*
                         boolean finishActivityWhenDone = true;
                         cropImageAndSetWallpaper(imageUri, null, finishActivityWhenDone);
+						/*/
+						showSingDialog();
+						//*/
                     }
                 });
         mSetWallpaperButton = findViewById(R.id.set_wallpaper_button);
@@ -174,10 +240,13 @@ public class WallpaperCropActivity extends Activity {
                     @Override
                     public void onClick(View arg0) {
 					Log.e("wyy","View");
-					android.util.Log.e("chengrq","mSetWallpaperButton  show show");
+					/*android.util.Log.e("chengrq","mSetWallpaperButton  show show");
 									//flag = getIntent().getIntExtra("flag", 0);
 									flag = 0;
-									cropImageAndSetWallpaper(imageUri, null, true);   
+									cropImageAndSetWallpaper(imageUri, null, true); 
+					/*/	
+					showSingDialog();
+                     //*/					
                     }
                 });
 
@@ -532,6 +601,7 @@ public class WallpaperCropActivity extends Activity {
         if (onBitmapCroppedHandler != null) {
             cropTask.setOnBitmapCropped(onBitmapCroppedHandler);
         }
+		//cropTask.setWallpaperMode(mWallpaperMode);//add by frankchen
         cropTask.execute();
     }
 
@@ -720,7 +790,8 @@ public class WallpaperCropActivity extends Activity {
 
             if (mSetWallpaper && mNoCrop) {
                 try {
-                    InputStream is = regenerateInputStream();
+                    /* frankchen
+					InputStream is = regenerateInputStream();
                     if (is != null) {
                         //wallpaperManager.setStream(is);
                         //Utils.closeSilently(is);
@@ -732,6 +803,26 @@ public class WallpaperCropActivity extends Activity {
 							}
 							Utils.closeSilently(is);
                     }
+					/*/
+					
+					
+					
+				InputStream is_home = regenerateInputStream();
+                 Log.i(LOGTAG, "mWallpaperMode mWallpaperMode==" + mWallpaperMode);
+				 Log.e("frankchen","mWallpaperMode aaaaaaa mWallpaperMode="+mWallpaperMode);
+                if (is_home != null) {
+                    if(mWallpaperMode==1){
+						wallpaperManager.setStream(is_home);
+                    }else if(mWallpaperMode==2){                       
+						wallpaperManager.setStream(is_home);
+                    }else{
+                        wallpaperManager.setStream(is_home);
+                    }
+
+                    Utils.closeSilently(is_home);
+                }
+				//*/
+					
                 } catch (IOException e) {
                     Log.w(LOGTAG, "cannot write stream to wallpaper", e);
                     failure = true;
@@ -968,6 +1059,7 @@ public class WallpaperCropActivity extends Activity {
 						
 						Log.e("chengrqq","flag="+flag);
                             byte[] outByteArray = tmpOut.toByteArray();
+							/*frankchen
 							if(flag==1)
 							{
 								//wallpaperManager.setStream(new ByteArrayInputStream(outByteArray),1);
@@ -977,6 +1069,30 @@ public class WallpaperCropActivity extends Activity {
 							{
 								wallpaperManager.setStream(new ByteArrayInputStream(outByteArray));
 							}
+							/*/
+							//int choose_mode= getLockScreenSettingFlag();
+							Log.e("frankchen","mWallpaperMode bbbbbb mWallpaperMode="+mWallpaperMode);
+						//	Log.e("frankchen","choose_mode choose_mode ="+choose_mode);
+							 if(mWallpaperMode==1||flag==1){
+
+                            //lock                           
+			                Intent intent = new Intent("android.yue.lockscreen.action");//
+			                intent.putExtra("outByteArray",outByteArray);
+			               mContext.sendBroadcast(intent);
+							
+                            }else if(mWallpaperMode==2||flag==2){
+                            //both
+							wallpaperManager.setStream(new ByteArrayInputStream(outByteArray));
+							
+							Intent intent = new Intent("android.yue.lockscreen.action");//
+			                intent.putExtra("outByteArray",outByteArray);
+			               mContext.sendBroadcast(intent);                       
+                            }else{
+
+                            //home
+                            wallpaperManager.setStream(new ByteArrayInputStream(outByteArray));
+                            }
+							//*/
                             if (mOnBitmapCroppedHandler != null) {
                                 mOnBitmapCroppedHandler.onBitmapCropped(outByteArray);
                             }
@@ -992,6 +1108,12 @@ public class WallpaperCropActivity extends Activity {
             }
             return !failure; // True if any of the operations failed
         }
+		
+		//add by frankchen start
+		/*public void setWallpaperMode(int wpMode){
+        mWallpaperMode = wpMode;
+        }*/
+		//add by frankchen end