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Use content uri instead of file uri for taking photo
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171 changes: 171 additions & 0 deletions
171
app/src/main/java/com/hippo/nimingban/content/SimpleFileProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,171 @@ | ||
| /* | ||
| * Copyright 2017 Hippo Seven | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
||
| package com.hippo.nimingban.content; | ||
|
|
||
| /* | ||
| * Created by Hippo on 5/8/2017. | ||
| */ | ||
|
|
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| import android.content.ContentProvider; | ||
| import android.content.ContentResolver; | ||
| import android.content.ContentValues; | ||
| import android.database.Cursor; | ||
| import android.database.MatrixCursor; | ||
| import android.net.Uri; | ||
| import android.os.ParcelFileDescriptor; | ||
| import android.provider.MediaStore; | ||
| import android.provider.OpenableColumns; | ||
| import android.support.annotation.NonNull; | ||
| import android.support.annotation.Nullable; | ||
| import android.webkit.MimeTypeMap; | ||
| import com.hippo.unifile.UniFile; | ||
| import java.io.FileNotFoundException; | ||
|
|
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| public abstract class SimpleFileProvider extends ContentProvider { | ||
|
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| //private static final String AUTHORITY = "com.hippo.nimingban.image"; | ||
|
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| private static final String[] COLUMNS = { | ||
| OpenableColumns.DISPLAY_NAME, | ||
| OpenableColumns.SIZE | ||
| }; | ||
|
|
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| @Override | ||
| public boolean onCreate() { | ||
| return true; | ||
| } | ||
|
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| @Nullable | ||
| @Override | ||
| public Cursor query(@NonNull Uri uri, String[] projection, | ||
| String selection, String[] selectionArgs, String sortOrder) { | ||
| final UniFile file = getFileForUri(uri); | ||
| if (file == null) { | ||
| return null; | ||
| } | ||
|
|
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| if (projection == null) { | ||
| projection = COLUMNS; | ||
| } | ||
|
|
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| String[] cols = new String[projection.length]; | ||
| Object[] values = new Object[projection.length]; | ||
| int i = 0; | ||
| for (String col : projection) { | ||
| if (OpenableColumns.DISPLAY_NAME.equals(col)) { | ||
| cols[i] = OpenableColumns.DISPLAY_NAME; | ||
| values[i++] = file.getName(); | ||
| } else if (OpenableColumns.SIZE.equals(col)) { | ||
| cols[i] = OpenableColumns.SIZE; | ||
| values[i++] = file.length(); | ||
| } else if (MediaStore.MediaColumns.DATA.equals(col)) { | ||
| Uri originUri = file.getUri(); | ||
| if (ContentResolver.SCHEME_FILE.equals(originUri.getScheme())) { | ||
| cols[i] = MediaStore.MediaColumns.DATA; | ||
| values[i++] = file.getUri().getPath(); | ||
| } else { | ||
| // TODO handle document tree url | ||
| } | ||
| } | ||
| } | ||
|
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| cols = copyOf(cols, i); | ||
| values = copyOf(values, i); | ||
|
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| final MatrixCursor cursor = new MatrixCursor(cols, 1); | ||
| cursor.addRow(values); | ||
| return cursor; | ||
| } | ||
|
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| @Nullable | ||
| @Override | ||
| public String getType(@NonNull Uri uri) { | ||
| final UniFile file = getFileForUri(uri); | ||
| if (file != null) { | ||
| final String name = file.getUri().getPath(); | ||
| if (name != null) { | ||
| final int lastDot = name.lastIndexOf('.'); | ||
| if (lastDot >= 0) { | ||
| final String extension = name.substring(lastDot + 1); | ||
| final String mime = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension); | ||
| if (mime != null) { | ||
| return mime; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| return "application/octet-stream"; | ||
| } | ||
|
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| @Nullable | ||
| @Override | ||
| public Uri insert(@NonNull Uri uri, ContentValues values) { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
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| @Override | ||
| public int delete(@NonNull Uri uri, String selection, String[] selectionArgs) { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
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| @Override | ||
| public int update(@NonNull Uri uri, ContentValues values, String selection, String[] selectionArgs) { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
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| @Override | ||
| public ParcelFileDescriptor openFile(@NonNull Uri uri, @NonNull String mode) throws FileNotFoundException { | ||
| UniFile file = getFileForUri(uri); | ||
| if (file != null) { | ||
| ParcelFileDescriptor pfd = getContext().getContentResolver().openFileDescriptor(file.getUri(), mode); | ||
| if (pfd != null) { | ||
| return pfd; | ||
| } | ||
| } | ||
| throw new FileNotFoundException("Can't find " + uri); | ||
| } | ||
|
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| @NonNull | ||
| public abstract String getAuthority(); | ||
|
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| @Nullable | ||
| public abstract UniFile getFile(Uri uri); | ||
|
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| @Nullable | ||
| private UniFile getFileForUri(Uri uri) { | ||
| // Check authority | ||
| if (ContentResolver.SCHEME_CONTENT.equals(uri.getScheme()) && | ||
| getAuthority().equals(uri.getAuthority())) { | ||
| return getFile(uri); | ||
| } else { | ||
| return null; | ||
| } | ||
| } | ||
|
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| private static String[] copyOf(String[] original, int newLength) { | ||
| final String[] result = new String[newLength]; | ||
| System.arraycopy(original, 0, result, 0, newLength); | ||
| return result; | ||
| } | ||
|
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| private static Object[] copyOf(Object[] original, int newLength) { | ||
| final Object[] result = new Object[newLength]; | ||
| System.arraycopy(original, 0, result, 0, newLength); | ||
| return result; | ||
| } | ||
| } |
54 changes: 54 additions & 0 deletions
54
app/src/main/java/com/hippo/nimingban/content/UniversalProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /* | ||
| * Copyright 2017 Hippo Seven | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
||
| package com.hippo.nimingban.content; | ||
|
|
||
| /* | ||
| * Created by Hippo on 5/8/2017. | ||
| */ | ||
|
|
||
| import android.content.ContentResolver; | ||
| import android.net.Uri; | ||
| import android.support.annotation.NonNull; | ||
| import android.support.annotation.Nullable; | ||
| import com.hippo.unifile.UniFile; | ||
| import java.io.File; | ||
|
|
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| public class UniversalProvider extends SimpleFileProvider { | ||
|
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| private static final String AUTHORITY = "com.hippo.nimingban.universal"; | ||
|
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| @NonNull | ||
| @Override | ||
| public String getAuthority() { | ||
| return AUTHORITY; | ||
| } | ||
|
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| @Nullable | ||
| @Override | ||
| public UniFile getFile(Uri uri) { | ||
| File file = new File(uri.getPath()); | ||
| return UniFile.fromFile(file); | ||
| } | ||
|
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| public static Uri buildUri(String filePath) { | ||
| return new Uri.Builder() | ||
| .scheme(ContentResolver.SCHEME_CONTENT) | ||
| .authority(AUTHORITY) | ||
| .appendPath(filePath) | ||
| .build(); | ||
| } | ||
| } |
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