some fixes all over

OpenPGP-Keychain-API-Demo/res/layout/crypto_provider_demo.xml

@@ -8,12 +8,37 @@
         android:layout_height="match_parent"
         android:orientation="vertical" >
 
-        <Button
+        <TextView
-            android:id="@+id/crypto_provider_demo_register"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Encrypt User Id"
+            android:textAppearance="?android:attr/textAppearanceMedium" />
+
+        <EditText
+            android:id="@+id/crypto_provider_demo_encrypt_user_id"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:onClick="registerCryptoProvider"
+            android:text="dominik@dominikschuermann.de"
-            android:text="Register crypto provider" />
+            android:textAppearance="@android:style/TextAppearance.Small" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Sign User Id"
+            android:textAppearance="?android:attr/textAppearanceMedium" />
+
+        <EditText
+            android:id="@+id/crypto_provider_demo_sign_user_id"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="dominik@dominikschuermann.de"
+            android:textAppearance="@android:style/TextAppearance.Small" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Message"
+            android:textAppearance="?android:attr/textAppearanceMedium" />
 
         <EditText
             android:id="@+id/crypto_provider_demo_message"
@@ -22,25 +47,17 @@
             android:text="message"
             android:textAppearance="@android:style/TextAppearance.Small" />
 
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Ciphertext"
+            android:textAppearance="?android:attr/textAppearanceMedium" />
+
         <EditText
             android:id="@+id/crypto_provider_demo_ciphertext"
             android:layout_width="match_parent"
             android:layout_height="150dip"
-            android:text="-----BEGIN PGP MESSAGE-----
+            android:text="ciphertext"
-Charset: UTF-8
-Version: GnuPG v1.4.12 (GNU/Linux)
-Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
-
-hQEMAwCgOoTtKmfpAQgAlzmyQYCfkalCsAIxwtroHV9Bwz5LWY4GJNVrFBVddSFJ
-VkVxx/UDqtIS+TvL8RBG3Er3xFilTV+iBSDjSGIXHkSv6Z7Od69nKcQpJLNaCpDj
-/Ag7PsINLUzAvUdPto3ZMCwShe/uoD4e4Gr5BG8na/9W77tegufS2gUUlc5BAOZP
-GUlSPySJP2bpI/3U/R86Z2ByzFKeJIEKWBtBvMPmIgA5VPo0+mamTedRhOIrJM/R
-vUMM2HfLjAxcX9lYEw4aQGROOu1xpN9FPojQOO10imibZb+TEcxtSHwpj2vll1BP
-pXvtuR0E9OGVmRI9aBXiRTB2P9SJ6UPpR13m8FaLVtJPAa2xH4wA5Yr6uZ5x7LjO
-BtO8VErKgoUpO57BgU1ZsVFEcrGiobkreXabKIB+qC0qMJ6maoLlnOPi1IAvhU42
-z/7HBqqhcNiHc5JMs9+wmw==
-=00nh
------END PGP MESSAGE-----"
             android:textAppearance="@android:style/TextAppearance.Small" />
 
         <Button
@@ -50,6 +67,20 @@ z/7HBqqhcNiHc5JMs9+wmw==
             android:onClick="encryptOnClick"
             android:text="Encrypt" />
 
+        <Button
+            android:id="@+id/crypto_provider_demo_sign"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:onClick="signOnClick"
+            android:text="Sign" />
+
+        <Button
+            android:id="@+id/crypto_provider_demo_encrypt_and_sign"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:onClick="encryptAndSignOnClick"
+            android:text="Encrypt and Sign" />
+
         <Button
             android:id="@+id/crypto_provider_demo_decrypt"
             android:layout_width="match_parent"

OpenPGP-Keychain-API-Demo/src/org/openintents/crypto/ICryptoService.aidl

@@ -36,6 +36,18 @@ interface ICryptoService {
      */
     oneway void encrypt(in byte[] inputBytes, in String[] encryptionUserIds, in ICryptoCallback callback);
     
+    /**
+     * Sign
+     *
+     * @param inputBytes
+     *            Byte array you want to encrypt
+     * @param signatureUserId
+     *            User Ids (email) of sender
+     * @param callback
+     *            Callback where to return results
+     */
+    oneway void sign(in byte[] inputBytes, String signatureUserId, in ICryptoCallback callback);
+    
     /**
      * Encrypt and sign
      *
@@ -50,18 +62,6 @@ interface ICryptoService {
      */
     oneway void encryptAndSign(in byte[] inputBytes, in String[] encryptionUserIds, String signatureUserId, in ICryptoCallback callback);
     
-    /**
-     * Sign
-     *
-     * @param inputBytes
-     *            Byte array you want to encrypt
-     * @param signatureUserId
-     *            User Ids (email) of sender
-     * @param callback
-     *            Callback where to return results
-     */
-    oneway void sign(in byte[] inputBytes, String signatureUserId, in ICryptoCallback callback);
-    
     /**
      * Decrypts and verifies given input bytes. If no signature is present this method
      * will only decrypt.

OpenPGP-Keychain-API-Demo/src/org/sufficientlysecure/keychain/demo/CryptoProviderDemoActivity.java

@@ -39,15 +39,17 @@ import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
+import android.widget.EditText;
 import android.widget.ListAdapter;
 import android.widget.TextView;
 
 public class CryptoProviderDemoActivity extends Activity {
     Activity mActivity;
 
-    TextView mMessageTextView;
+    EditText mMessage;
-    TextView mCiphertextTextView;
+    EditText mCiphertext;
-    TextView mDataTextView;
+    EditText mEncryptUserId;
+    EditText mSignUserId;
 
     private CryptoServiceConnection mCryptoServiceConnection;
 
@@ -58,9 +60,10 @@ public class CryptoProviderDemoActivity extends Activity {
 
         mActivity = this;
 
-        mMessageTextView = (TextView) findViewById(R.id.crypto_provider_demo_message);
+        mMessage = (EditText) findViewById(R.id.crypto_provider_demo_message);
-        mCiphertextTextView = (TextView) findViewById(R.id.crypto_provider_demo_ciphertext);
+        mCiphertext = (EditText) findViewById(R.id.crypto_provider_demo_ciphertext);
-        mDataTextView = (TextView) findViewById(R.id.aidl_demo_data);
+        mEncryptUserId = (EditText) findViewById(R.id.crypto_provider_demo_encrypt_user_id);
+        mSignUserId = (EditText) findViewById(R.id.crypto_provider_demo_sign_user_id);
 
         selectCryptoProvider();
     }
@@ -72,7 +75,9 @@ public class CryptoProviderDemoActivity extends Activity {
 
         @Override
         public void onEncryptSignSuccess(byte[] outputBytes) throws RemoteException {
-            // not needed here
+            Log.d(Constants.TAG, "onEncryptSignSuccess");
+
+            // TODO
         }
 
         @Override
@@ -80,32 +85,53 @@ public class CryptoProviderDemoActivity extends Activity {
                 throws RemoteException {
             Log.d(Constants.TAG, "onDecryptVerifySuccess");
 
-            // PgpData data = new PgpData();
+            mMessage.setText(new String(outputBytes));
-            // data.setDecryptedData(new String(outputBytes));
-            // mFragment.setMessageWithPgpData(data);
         }
 
         @Override
         public void onError(CryptoError error) throws RemoteException {
             Log.e(Constants.TAG, "onError getErrorId:" + error.getErrorId());
-            Log.e(Constants.TAG, "onError getErrorId:" + error.getMessage());
+            Log.e(Constants.TAG, "onError getMessage:" + error.getMessage());
         }
 
     };
 
     public void encryptOnClick(View view) {
-        byte[] inputBytes = mMessageTextView.getText().toString().getBytes();
+        byte[] inputBytes = mMessage.getText().toString().getBytes();
 
         try {
             mCryptoServiceConnection.getService().encrypt(inputBytes,
-                    new String[] { "dominik@dominikschuermann.de" }, callback);
+                    new String[] { mEncryptUserId.getText().toString() }, callback);
+        } catch (RemoteException e) {
+            Log.e(Constants.TAG, "CryptoProviderDemo", e);
+        }
+    }
+
+    public void signOnClick(View view) {
+        byte[] inputBytes = mMessage.getText().toString().getBytes();
+
+        try {
+            mCryptoServiceConnection.getService().sign(inputBytes,
+                    mSignUserId.getText().toString(), callback);
+        } catch (RemoteException e) {
+            Log.e(Constants.TAG, "CryptoProviderDemo", e);
+        }
+    }
+
+    public void encryptAndSignOnClick(View view) {
+        byte[] inputBytes = mMessage.getText().toString().getBytes();
+
+        try {
+            mCryptoServiceConnection.getService().encryptAndSign(inputBytes,
+                    new String[] { mEncryptUserId.getText().toString() },
+                    mSignUserId.getText().toString(), callback);
         } catch (RemoteException e) {
             Log.e(Constants.TAG, "CryptoProviderDemo", e);
         }
     }
 
     public void decryptOnClick(View view) {
-        byte[] inputBytes = mCiphertextTextView.getText().toString().getBytes();
+        byte[] inputBytes = mCiphertext.getText().toString().getBytes();
 
         try {
             mCryptoServiceConnection.getService().decryptAndVerify(inputBytes, callback);

OpenPGP-Keychain/src/org/openintents/crypto/ICryptoService.aidl

@@ -36,6 +36,18 @@ interface ICryptoService {
      */
     oneway void encrypt(in byte[] inputBytes, in String[] encryptionUserIds, in ICryptoCallback callback);
     
+    /**
+     * Sign
+     *
+     * @param inputBytes
+     *            Byte array you want to encrypt
+     * @param signatureUserId
+     *            User Ids (email) of sender
+     * @param callback
+     *            Callback where to return results
+     */
+    oneway void sign(in byte[] inputBytes, String signatureUserId, in ICryptoCallback callback);
+    
     /**
      * Encrypt and sign
      *
@@ -50,18 +62,6 @@ interface ICryptoService {
      */
     oneway void encryptAndSign(in byte[] inputBytes, in String[] encryptionUserIds, String signatureUserId, in ICryptoCallback callback);
     
-    /**
-     * Sign
-     *
-     * @param inputBytes
-     *            Byte array you want to encrypt
-     * @param signatureUserId
-     *            User Ids (email) of sender
-     * @param callback
-     *            Callback where to return results
-     */
-    oneway void sign(in byte[] inputBytes, String signatureUserId, in ICryptoCallback callback);
-    
     /**
      * Decrypts and verifies given input bytes. If no signature is present this method
      * will only decrypt.

OpenPGP-Keychain/src/org/sufficientlysecure/keychain/crypto_provider/CryptoService.java

@@ -56,8 +56,6 @@ public class CryptoService extends Service {
     PausableThreadPoolExecutor mThreadPool = new PausableThreadPoolExecutor(2, 4, 10,
             TimeUnit.SECONDS, mPoolQueue);
 
-    private ArrayList<String> mAllowedPackages;
-
     public static final String ACTION_SERVICE_ACTIVITY = "org.sufficientlysecure.keychain.crypto_provider.IServiceActivityCallback";
 
     @Override
@@ -65,10 +63,6 @@ public class CryptoService extends Service {
         super.onCreate();
         mContext = this;
         Log.d(Constants.TAG, "CryptoService, onCreate()");
-
-        // load allowed packages from database
-        mAllowedPackages = ProviderHelper.getCryptoConsumers(mContext);
-        Log.d(Constants.TAG, "allowed: " + mAllowedPackages);
     }
 
     @Override
@@ -95,6 +89,40 @@ public class CryptoService extends Service {
         }
     }
 
+    private synchronized void encryptSafe(byte[] inputBytes, String[] encryptionUserIds,
+            ICryptoCallback callback) throws RemoteException {
+        try {
+            // build InputData and write into OutputStream
+            InputStream inputStream = new ByteArrayInputStream(inputBytes);
+            long inputLength = inputBytes.length;
+            InputData inputData = new InputData(inputStream, inputLength);
+
+            OutputStream outStream = new ByteArrayOutputStream();
+
+            // TODO: hardcoded...
+            boolean useAsciiArmor = true;
+            int compressionId = 2; // zlib
+
+            // PgpMain.encryptAndSign(this, this, inputData, outStream, useAsciiArmor,
+            // compressionId, encryptionKeyIds, encryptionPassphrase, Preferences
+            // .getPreferences(this).getDefaultEncryptionAlgorithm(),
+            // secretKeyId,
+            // Preferences.getPreferences(this).getDefaultHashAlgorithm(), Preferences
+            // .getPreferences(this).getForceV3Signatures(),
+            // PassphraseCacheService.getCachedPassphrase(this, secretKeyId));
+
+            outStream.close();
+        } catch (Exception e) {
+            Log.e(Constants.TAG, "KeychainService, Exception!", e);
+
+            try {
+                callback.onError(new CryptoError(0, e.getMessage()));
+            } catch (Exception t) {
+                Log.e(Constants.TAG, "Error returning exception to client", t);
+            }
+        }
+    }
+
     private synchronized void decryptAndVerifySafe(byte[] inputBytes, ICryptoCallback callback)
             throws RemoteException {
         try {
@@ -171,10 +199,22 @@ public class CryptoService extends Service {
     private final ICryptoService.Stub mBinder = new ICryptoService.Stub() {
 
         @Override
-        public void encrypt(byte[] inputBytes, String[] encryptionUserIds, ICryptoCallback callback)
+        public void encrypt(final byte[] inputBytes, final String[] encryptionUserIds,
-                throws RemoteException {
+                final ICryptoCallback callback) throws RemoteException {
-            // TODO Auto-generated method stub
 
+            Runnable r = new Runnable() {
+
+                @Override
+                public void run() {
+                    try {
+                        encryptSafe(inputBytes, encryptionUserIds, callback);
+                    } catch (RemoteException e) {
+                        Log.e(Constants.TAG, "CryptoService", e);
+                    }
+                }
+            };
+
+            checkAndEnqueue(r);
         }
 
         @Override
@@ -218,9 +258,6 @@ public class CryptoService extends Service {
         public void register(boolean success, String packageName) throws RemoteException {
 
             if (success) {
-                // reload allowed packages
-                mAllowedPackages = ProviderHelper.getCryptoConsumers(mContext);
-
                 // resume threads
                 if (isPackageAllowed(packageName)) {
                     mThreadPool.resume();
@@ -287,8 +324,11 @@ public class CryptoService extends Service {
     private boolean isPackageAllowed(String packageName) {
         Log.d(Constants.TAG, "packageName: " + packageName);
 
+        ArrayList<String> allowedPkgs = ProviderHelper.getCryptoConsumers(mContext);
+        Log.d(Constants.TAG, "allowed: " + allowedPkgs);
+
         // check if package is allowed to use our service
-        if (mAllowedPackages.contains(packageName)) {
+        if (allowedPkgs.contains(packageName)) {
             Log.d(Constants.TAG, "Package is allowed! packageName: " + packageName);
 
             return true;

OpenPGP-Keychain/src/org/sufficientlysecure/keychain/provider/KeychainProvider.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
+ * Copyright (C) 2012-2013 Dominik Schürmann <dominik@dominikschuermann.de>
  * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -17,8 +17,6 @@
 
 package org.sufficientlysecure.keychain.provider;
 
-import java.io.File;
-import java.io.FileNotFoundException;
 import java.util.Arrays;
 import java.util.HashMap;
 
@@ -44,7 +42,6 @@ import android.database.sqlite.SQLiteConstraintException;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteQueryBuilder;
 import android.net.Uri;
-import android.os.ParcelFileDescriptor;
 import android.provider.BaseColumns;
 import android.text.TextUtils;
 
@@ -82,6 +79,7 @@ public class KeychainProvider extends ContentProvider {
     private static final int SECRET_KEY_RING_USER_ID_BY_ROW_ID = 222;
 
     private static final int CRYPTO_CONSUMERS = 301;
+    private static final int CRYPTO_CONSUMERS_BY_ROW_ID = 302;
 
     // private static final int DATA_STREAM = 401;
 
@@ -230,6 +228,8 @@ public class KeychainProvider extends ContentProvider {
          * Crypto Consumers
          */
         matcher.addURI(authority, KeychainContract.BASE_CRYPTO_CONSUMERS, CRYPTO_CONSUMERS);
+        matcher.addURI(authority, KeychainContract.BASE_CRYPTO_CONSUMERS + "/#",
+                CRYPTO_CONSUMERS_BY_ROW_ID);
 
         /**
          * data stream
@@ -293,6 +293,9 @@ public class KeychainProvider extends ContentProvider {
         case CRYPTO_CONSUMERS:
             return CryptoConsumers.CONTENT_TYPE;
 
+        case CRYPTO_CONSUMERS_BY_ROW_ID:
+            return CryptoConsumers.CONTENT_ITEM_TYPE;
+
         default:
             throw new UnsupportedOperationException("Unknown uri: " + uri);
         }
@@ -653,6 +656,7 @@ public class KeychainProvider extends ContentProvider {
 
                 rowId = db.insertOrThrow(Tables.KEY_RINGS, null, values);
                 rowUri = KeyRings.buildPublicKeyRingsUri(Long.toString(rowId));
+                sendBroadcastDatabaseChange(getKeyType(match), getType(uri));
 
                 break;
             case PUBLIC_KEY_RING_KEY:
@@ -660,11 +664,13 @@ public class KeychainProvider extends ContentProvider {
 
                 rowId = db.insertOrThrow(Tables.KEYS, null, values);
                 rowUri = Keys.buildPublicKeysUri(Long.toString(rowId));
+                sendBroadcastDatabaseChange(getKeyType(match), getType(uri));
 
                 break;
             case PUBLIC_KEY_RING_USER_ID:
                 rowId = db.insertOrThrow(Tables.USER_IDS, null, values);
                 rowUri = UserIds.buildPublicUserIdsUri(Long.toString(rowId));
+                sendBroadcastDatabaseChange(getKeyType(match), getType(uri));
 
                 break;
             case SECRET_KEY_RING:
@@ -672,6 +678,7 @@ public class KeychainProvider extends ContentProvider {
 
                 rowId = db.insertOrThrow(Tables.KEY_RINGS, null, values);
                 rowUri = KeyRings.buildSecretKeyRingsUri(Long.toString(rowId));
+                sendBroadcastDatabaseChange(getKeyType(match), getType(uri));
 
                 break;
             case SECRET_KEY_RING_KEY:
@@ -679,6 +686,7 @@ public class KeychainProvider extends ContentProvider {
 
                 rowId = db.insertOrThrow(Tables.KEYS, null, values);
                 rowUri = Keys.buildSecretKeysUri(Long.toString(rowId));
+                sendBroadcastDatabaseChange(getKeyType(match), getType(uri));
 
                 break;
             case SECRET_KEY_RING_USER_ID:
@@ -697,7 +705,6 @@ public class KeychainProvider extends ContentProvider {
 
             // notify of changes in db
             getContext().getContentResolver().notifyChange(uri, null);
-            sendBroadcastDatabaseChange(getKeyType(match), getType(uri));
 
         } catch (SQLiteConstraintException e) {
             Log.e(Constants.TAG, "Constraint exception on insert! Entry already existing?");
@@ -725,6 +732,7 @@ public class KeychainProvider extends ContentProvider {
             count = db.delete(Tables.KEY_RINGS,
                     buildDefaultKeyRingsSelection(defaultSelection, getKeyType(match), selection),
                     selectionArgs);
+            sendBroadcastDatabaseChange(getKeyType(match), getType(uri));
             break;
         case PUBLIC_KEY_RING_BY_MASTER_KEY_ID:
         case SECRET_KEY_RING_BY_MASTER_KEY_ID:
@@ -733,24 +741,29 @@ public class KeychainProvider extends ContentProvider {
             count = db.delete(Tables.KEY_RINGS,
                     buildDefaultKeyRingsSelection(defaultSelection, getKeyType(match), selection),
                     selectionArgs);
+            sendBroadcastDatabaseChange(getKeyType(match), getType(uri));
             break;
         case PUBLIC_KEY_RING_KEY_BY_ROW_ID:
         case SECRET_KEY_RING_KEY_BY_ROW_ID:
             count = db.delete(Tables.KEYS,
                     buildDefaultKeysSelection(uri, getKeyType(match), selection), selectionArgs);
+            sendBroadcastDatabaseChange(getKeyType(match), getType(uri));
             break;
         case PUBLIC_KEY_RING_USER_ID_BY_ROW_ID:
         case SECRET_KEY_RING_USER_ID_BY_ROW_ID:
             count = db.delete(Tables.KEYS, buildDefaultUserIdsSelection(uri, selection),
                     selectionArgs);
             break;
+        case CRYPTO_CONSUMERS_BY_ROW_ID:
+            count = db.delete(Tables.CRYPTO_CONSUMERS,
+                    buildDefaultCryptoConsumersSelection(uri, selection), selectionArgs);
+            break;
         default:
             throw new UnsupportedOperationException("Unknown uri: " + uri);
         }
 
         // notify of changes in db
         getContext().getContentResolver().notifyChange(uri, null);
-        sendBroadcastDatabaseChange(getKeyType(match), getType(uri));
 
         return count;
     }
@@ -776,6 +789,8 @@ public class KeychainProvider extends ContentProvider {
                         values,
                         buildDefaultKeyRingsSelection(defaultSelection, getKeyType(match),
                                 selection), selectionArgs);
+                sendBroadcastDatabaseChange(getKeyType(match), getType(uri));
+
                 break;
             case PUBLIC_KEY_RING_BY_MASTER_KEY_ID:
             case SECRET_KEY_RING_BY_MASTER_KEY_ID:
@@ -786,6 +801,8 @@ public class KeychainProvider extends ContentProvider {
                         values,
                         buildDefaultKeyRingsSelection(defaultSelection, getKeyType(match),
                                 selection), selectionArgs);
+                sendBroadcastDatabaseChange(getKeyType(match), getType(uri));
+
                 break;
             case PUBLIC_KEY_RING_KEY_BY_ROW_ID:
             case SECRET_KEY_RING_KEY_BY_ROW_ID:
@@ -793,6 +810,8 @@ public class KeychainProvider extends ContentProvider {
                         .update(Tables.KEYS, values,
                                 buildDefaultKeysSelection(uri, getKeyType(match), selection),
                                 selectionArgs);
+                sendBroadcastDatabaseChange(getKeyType(match), getType(uri));
+
                 break;
             case PUBLIC_KEY_RING_USER_ID_BY_ROW_ID:
             case SECRET_KEY_RING_USER_ID_BY_ROW_ID:
@@ -805,7 +824,6 @@ public class KeychainProvider extends ContentProvider {
 
             // notify of changes in db
             getContext().getContentResolver().notifyChange(uri, null);
-            sendBroadcastDatabaseChange(getKeyType(match), getType(uri));
 
         } catch (SQLiteConstraintException e) {
             Log.e(Constants.TAG, "Constraint exception on update! Entry already existing?");
@@ -888,6 +906,23 @@ public class KeychainProvider extends ContentProvider {
         return BaseColumns._ID + "=" + rowId + andForeignKeyRing + andSelection;
     }
 
+    /**
+     * Build default selection statement for Crypto Consumers. If no extra selection is specified
+     * only build where clause with rowId
+     * 
+     * @param uri
+     * @param selection
+     * @return
+     */
+    private String buildDefaultCryptoConsumersSelection(Uri uri, String selection) {
+        String andSelection = "";
+        if (!TextUtils.isEmpty(selection)) {
+            andSelection = " AND (" + selection + ")";
+        }
+
+        return selection + andSelection;
+    }
+
     // @Override
     // public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException {
     // int match = mUriMatcher.match(uri);