Created
February 6, 2019 22:35
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Fonts ContentProvider
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| // Notes on ContentProvider to fulfil requests for fonts, such as from FontsContractCompat. | |
| // Not all imports shown | |
| import android.provider.FontsContract.Columns; | |
| public abstract class MyFontProvider extends ContentProvider { | |
| @Override | |
| public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) { | |
| String query = selectionArgs[0]; // change based on your input pattern | |
| // Prepare a response cursor | |
| // Columns from https://android.googlesource.com/platform/frameworks/support/+/androidx-master-release/compat/src/main/java/androidx/core/provider/FontsContractCompat.java | |
| // Set up response cursor. | |
| MatrixCursor cursor = | |
| new MatrixCursor( | |
| new String[] { | |
| Columns._ID, | |
| Columns.FILE_ID, | |
| Columns.TTC_INDEX, | |
| Columns.VARIATION_SETTINGS, | |
| Columns.WEIGHT, | |
| Columns.ITALIC, | |
| Columns.RESULT_CODE | |
| }); | |
| // Figure out if you understand the query | |
| if (weUnderstandQuery()) { | |
| cursor.addRow( | |
| new Object[] { | |
| an_identifier_you_generated, | |
| 0, | |
| null, | |
| 400, | |
| 0.0, | |
| RESULT_CODE_OK | |
| }); | |
| } else { | |
| writeErrorToCursor(cursor, error code, perhaps RESULT_CODE_FONT_UNAVAILABLE); | |
| } | |
| } | |
| @Override | |
| public ParcelFileDescriptor openFile(Uri uri, String mode) { | |
| // Uri is based on what you sent back from query | |
| // See FontsContractCompat for details | |
| // Extract identifier from uri | |
| // Build and return a ParcelFileDescriptor for the font | |
| } | |
| } |
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