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implement ContentResolver

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ContentUris.java and UriMatcher.java are copied from AOSP
This commit is contained in:
Julian Winkler
2024-08-05 17:13:10 +02:00
parent 9fda1b36e6
commit e2e1f137bb
6 changed files with 470 additions and 18 deletions
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31
src/api-impl/android/content/ContentResolver.java
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@@ -3,7 +3,6 @@ package android.content;
import java.io.File;
import java.io.FileNotFoundException;
import android.database.AbstractCursor;
import android.database.ContentObserver;
import android.database.Cursor;
import android.net.Uri;
@@ -28,17 +27,11 @@ public class ContentResolver {
}
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
return new AbstractCursor() {
public int getCount() { return 0; }
public String[] getColumnNames() { return new String[0]; }
public String getString(int column) { throw new IndexOutOfBoundsException(); }
public short getShort(int column) { throw new IndexOutOfBoundsException(); }
public int getInt(int column) { throw new IndexOutOfBoundsException(); }
public long getLong(int column) { throw new IndexOutOfBoundsException(); }
public float getFloat(int column) { throw new IndexOutOfBoundsException(); }
public double getDouble(int column) { throw new IndexOutOfBoundsException(); }
public boolean isNull(int column) { throw new IndexOutOfBoundsException(); }
};
ContentProvider provider = ContentProvider.providers.get(uri.getAuthority());
if (provider != null)
return provider.query(uri, projection, selection, selectionArgs, sortOrder);
else
return null;
}
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder, CancellationSignal cancellationSignal) {
@@ -46,6 +39,18 @@ public class ContentResolver {
}
public int delete(Uri uri, String selection, String[] selectionArgs) {
return 0;
ContentProvider provider = ContentProvider.providers.get(uri.getAuthority());
if (provider != null)
return provider.delete(uri, selection, selectionArgs);
else
return 0;
}
public Uri insert(Uri uri, ContentValues values) {
ContentProvider provider = ContentProvider.providers.get(uri.getAuthority());
if (provider != null)
return provider.insert(uri, values);
else
return null;
}
}