Fix for Kitkat devices by copy the custom wallpaper on local directory to bypass the external file security imposed by Android

src/com/derpfish/pinkielive/PinkiePieLiveWallpaper.java

@@ -1,5 +1,7 @@
 package com.derpfish.pinkielive;
 
+import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.HashMap;
@@ -12,7 +14,6 @@ import com.derpfish.pinkielive.download.PonyDownloader;
 
 import android.app.WallpaperManager;
 import android.content.BroadcastReceiver;
-import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
@@ -22,7 +23,6 @@ import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.graphics.Rect;
-import android.net.Uri;
 import android.os.Handler;
 import android.os.SystemClock;
 import android.service.wallpaper.WallpaperService;
@@ -96,7 +96,7 @@ public class PinkiePieLiveWallpaper extends WallpaperService
 															drawFrame();
 														}
 													};
-		
+
 		private boolean				mVisible;
 		private final SharedPreferences mPreferences;
 		private final BroadcastReceiver broadcastReceiver;
@@ -155,7 +155,7 @@ public class PinkiePieLiveWallpaper extends WallpaperService
 				{
 					final WallpaperManager wmMan = WallpaperManager.getInstance(getApplicationContext());
 					final AssetManager assetManager = getAssets();
-					
+
 					InputStream istr = assetManager.open("defaultbg.jpg");
 					final int sampleSize = BitmapLoader.getSampleSizeFromInputStream(istr,
 							wmMan.getDesiredMinimumWidth(), wmMan.getDesiredMinimumHeight());
@@ -176,7 +176,7 @@ public class PinkiePieLiveWallpaper extends WallpaperService
 					defaultBg.recycle();
 					defaultBg = null;
 				}
-				
+
 				final String imageUriStr = prefs.getString("livewallpaper_image", null);
 				if (imageUriStr != null)
 				{
@@ -185,22 +185,20 @@ public class PinkiePieLiveWallpaper extends WallpaperService
 						selectedBg.recycle();
 					}
 
-					final Uri bgImage = Uri.parse(imageUriStr);
 					try
 					{
-						final ContentResolver contentResolver = getContentResolver();
+						File bg = new File(getApplicationContext().getFilesDir(), imageUriStr);
 						final WallpaperManager wmMan = WallpaperManager.getInstance(getApplicationContext());
-						
-						InputStream istr = contentResolver.openInputStream(bgImage);
+						FileInputStream istr = new FileInputStream(bg);
 						final int sampleSize = BitmapLoader.getSampleSizeFromInputStream(istr,
 								wmMan.getDesiredMinimumWidth(), wmMan.getDesiredMinimumHeight());
 						istr.close();
-						
-						istr = contentResolver.openInputStream(bgImage);
+
+						istr = new FileInputStream(bg);
 						selectedBg = BitmapLoader.decodeSampledBitmapFromInputStream(istr, sampleSize);
 						istr.close();
 					}
-					catch (IOException e)
+					catch (Exception e)
 					{
 						selectedBg = null;
 						Log.w("PinkieLive", e);
@@ -376,7 +374,7 @@ public class PinkiePieLiveWallpaper extends WallpaperService
 							final float bgScale = Math.min(((float)actualBg.getWidth()) / ((float)minWidth), ((float)actualBg.getHeight()) / ((float)minHeight));
 							final int centeringOffsetX = (int)((float)actualBg.getWidth() - bgScale*minWidth)/2;
 							final int centeringOffsetY = (int)((float)actualBg.getHeight() - bgScale*minHeight)/2;
-							
+
 							c.drawBitmap(actualBg,
 									new Rect(centeringOffsetX - (int)(offsetX*bgScale),
 											centeringOffsetY - (int)(offsetY*bgScale),

src/com/derpfish/pinkielive/animation/PinkieAnimation.java

@@ -146,9 +146,8 @@ public class PinkieAnimation implements PonyAnimation
 			lastAnim = (lastAnim + 1) % NUM_ANIMATIONS;
 			if (bmAnimation != null)
 			{
-				for (int i = 0; i < bmAnimation.length; i++)
-				{
-					bmAnimation[i].recycle();
+				for (Bitmap aBmAnimation : bmAnimation) {
+					aBmAnimation.recycle();
 				}
 				bmAnimation = null;
 			}
@@ -157,7 +156,7 @@ public class PinkieAnimation implements PonyAnimation
 				final InputStream istr = assetManager.open("jump" + (lastAnim + 1) + ".zip");
 				final ZipInputStream zis = new ZipInputStream(istr);
 				final Map<String, Bitmap> bitmaps = new HashMap<String, Bitmap>();
-				ZipEntry zipEntry = null;
+				ZipEntry zipEntry;
 				while ((zipEntry = zis.getNextEntry()) != null)
 				{
 					bitmaps.put(zipEntry.getName(), BitmapFactory.decodeStream(zis));
@@ -198,9 +197,8 @@ public class PinkieAnimation implements PonyAnimation
 	{
 		if (bmAnimation != null)
 		{
-			for (int i = 0; i < bmAnimation.length; i++)
-			{
-				bmAnimation[i].recycle();
+			for (Bitmap aBmAnimation : bmAnimation) {
+				aBmAnimation.recycle();
 			}
 		}
 	}

src/com/derpfish/pinkielive/preference/PinkiePieLiveWallpaperSettings.java

@@ -1,5 +1,6 @@
 package com.derpfish.pinkielive.preference;
 
+import android.content.Context;
 import com.derpfish.pinkielive.PinkiePieLiveWallpaper;
 import com.derpfish.pinkielive.R;
 
@@ -12,6 +13,8 @@ import android.preference.Preference;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceActivity;
 
+import java.io.*;
+
 public class PinkiePieLiveWallpaperSettings extends PreferenceActivity implements SharedPreferences.OnSharedPreferenceChangeListener, OnPreferenceClickListener
 {
 	private static final int SELECT_PICTURE = 1;
@@ -25,13 +28,13 @@ public class PinkiePieLiveWallpaperSettings extends PreferenceActivity implement
 
 		getPreferenceManager().setSharedPreferencesName(PinkiePieLiveWallpaper.SHARED_PREFS_NAME);
 		addPreferencesFromResource(R.xml.livewallpaper_settings);
-		
+
 		getPreferenceManager().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
-		
+
 		setDefaultBgEnabled();
 
 		findPreference("livewallpaper_image").setOnPreferenceClickListener(this);
-		
+
 		gallery = new Intent();
 		gallery.setType("image/*");
 		gallery.setAction(Intent.ACTION_GET_CONTENT);
@@ -82,11 +85,33 @@ public class PinkiePieLiveWallpaperSettings extends PreferenceActivity implement
 			if (requestCode == SELECT_PICTURE)
 			{
 				Uri selectedImageUri = data.getData();
-				SharedPreferences.Editor editor = getPreferenceManager().getSharedPreferences().edit();
-				editor.putString("livewallpaper_image", selectedImageUri.toString());
-				editor.putBoolean("livewallpaper_defaultbg", false);
-				editor.commit();
-				((CheckBoxPreference) findPreference("livewallpaper_defaultbg")).setChecked(false);
+				try {
+					// Delete old image
+					String oldLocation = getPreferenceManager().getSharedPreferences().getString("livewallpaper_image", null);
+					if (oldLocation != null) {
+						File oldFile = new File(getApplicationContext().getFilesDir(), oldLocation);
+						if (oldFile.exists()) oldFile.delete();
+					}
+
+					// Copy the new one
+					FileOutputStream fos = openFileOutput(selectedImageUri.getLastPathSegment(), Context.MODE_PRIVATE);
+					InputStream fis = getContentResolver().openInputStream(selectedImageUri);
+					byte[] buf = new byte[1024];
+					int len;
+					while ((len = fis.read(buf)) != -1) {
+						fos.write(buf, 0, len);
+					}
+					fis.close();
+					fos.close();
+
+					SharedPreferences.Editor editor = getPreferenceManager().getSharedPreferences().edit();
+					editor.putString("livewallpaper_image", selectedImageUri.getLastPathSegment());
+					editor.putBoolean("livewallpaper_defaultbg", false);
+					editor.commit();
+					((CheckBoxPreference) findPreference("livewallpaper_defaultbg")).setChecked(false);
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
 			}
 		}
 	}