ADD week 5

2025-03-31 16:33:42 +02:00
parent 86f265f22d
commit bf645048e6
4927 changed files with 544053 additions and 0 deletions
--- a/02-Easy5/E5/sources/androidx/loader/content/CursorLoader.java
+++ b/02-Easy5/E5/sources/androidx/loader/content/CursorLoader.java
@@ -0,0 +1,204 @@
+package androidx.loader.content;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import androidx.core.content.ContentResolverCompat;
+import androidx.core.os.CancellationSignal;
+import androidx.core.os.OperationCanceledException;
+import androidx.loader.content.Loader;
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+import java.util.Arrays;
+
+/* loaded from: classes.dex */
+public class CursorLoader extends AsyncTaskLoader<Cursor> {
+    CancellationSignal mCancellationSignal;
+    Cursor mCursor;
+    final Loader<Cursor>.ForceLoadContentObserver mObserver;
+    String[] mProjection;
+    String mSelection;
+    String[] mSelectionArgs;
+    String mSortOrder;
+    Uri mUri;
+
+    public String[] getProjection() {
+        return this.mProjection;
+    }
+
+    public String getSelection() {
+        return this.mSelection;
+    }
+
+    public String[] getSelectionArgs() {
+        return this.mSelectionArgs;
+    }
+
+    public String getSortOrder() {
+        return this.mSortOrder;
+    }
+
+    public Uri getUri() {
+        return this.mUri;
+    }
+
+    public void setProjection(String[] strArr) {
+        this.mProjection = strArr;
+    }
+
+    public void setSelection(String str) {
+        this.mSelection = str;
+    }
+
+    public void setSelectionArgs(String[] strArr) {
+        this.mSelectionArgs = strArr;
+    }
+
+    public void setSortOrder(String str) {
+        this.mSortOrder = str;
+    }
+
+    public void setUri(Uri uri) {
+        this.mUri = uri;
+    }
+
+    /* JADX WARN: Can't rename method to resolve collision */
+    @Override // androidx.loader.content.AsyncTaskLoader
+    public Cursor loadInBackground() {
+        synchronized (this) {
+            if (isLoadInBackgroundCanceled()) {
+                throw new OperationCanceledException();
+            }
+            this.mCancellationSignal = new CancellationSignal();
+        }
+        try {
+            Cursor query = ContentResolverCompat.query(getContext().getContentResolver(), this.mUri, this.mProjection, this.mSelection, this.mSelectionArgs, this.mSortOrder, this.mCancellationSignal);
+            if (query != null) {
+                try {
+                    query.getCount();
+                    query.registerContentObserver(this.mObserver);
+                } catch (RuntimeException e) {
+                    query.close();
+                    throw e;
+                }
+            }
+            synchronized (this) {
+                this.mCancellationSignal = null;
+            }
+            return query;
+        } catch (Throwable th) {
+            synchronized (this) {
+                this.mCancellationSignal = null;
+                throw th;
+            }
+        }
+    }
+
+    @Override // androidx.loader.content.AsyncTaskLoader
+    public void cancelLoadInBackground() {
+        super.cancelLoadInBackground();
+        synchronized (this) {
+            CancellationSignal cancellationSignal = this.mCancellationSignal;
+            if (cancellationSignal != null) {
+                cancellationSignal.cancel();
+            }
+        }
+    }
+
+    @Override // androidx.loader.content.Loader
+    public void deliverResult(Cursor cursor) {
+        if (isReset()) {
+            if (cursor != null) {
+                cursor.close();
+                return;
+            }
+            return;
+        }
+        Cursor cursor2 = this.mCursor;
+        this.mCursor = cursor;
+        if (isStarted()) {
+            super.deliverResult((CursorLoader) cursor);
+        }
+        if (cursor2 == null || cursor2 == cursor || cursor2.isClosed()) {
+            return;
+        }
+        cursor2.close();
+    }
+
+    public CursorLoader(Context context) {
+        super(context);
+        this.mObserver = new Loader.ForceLoadContentObserver();
+    }
+
+    public CursorLoader(Context context, Uri uri, String[] strArr, String str, String[] strArr2, String str2) {
+        super(context);
+        this.mObserver = new Loader.ForceLoadContentObserver();
+        this.mUri = uri;
+        this.mProjection = strArr;
+        this.mSelection = str;
+        this.mSelectionArgs = strArr2;
+        this.mSortOrder = str2;
+    }
+
+    @Override // androidx.loader.content.Loader
+    protected void onStartLoading() {
+        Cursor cursor = this.mCursor;
+        if (cursor != null) {
+            deliverResult(cursor);
+        }
+        if (takeContentChanged() || this.mCursor == null) {
+            forceLoad();
+        }
+    }
+
+    @Override // androidx.loader.content.Loader
+    protected void onStopLoading() {
+        cancelLoad();
+    }
+
+    @Override // androidx.loader.content.AsyncTaskLoader
+    public void onCanceled(Cursor cursor) {
+        if (cursor == null || cursor.isClosed()) {
+            return;
+        }
+        cursor.close();
+    }
+
+    @Override // androidx.loader.content.Loader
+    protected void onReset() {
+        super.onReset();
+        onStopLoading();
+        Cursor cursor = this.mCursor;
+        if (cursor != null && !cursor.isClosed()) {
+            this.mCursor.close();
+        }
+        this.mCursor = null;
+    }
+
+    @Override // androidx.loader.content.AsyncTaskLoader, androidx.loader.content.Loader
+    @Deprecated
+    public void dump(String str, FileDescriptor fileDescriptor, PrintWriter printWriter, String[] strArr) {
+        super.dump(str, fileDescriptor, printWriter, strArr);
+        printWriter.print(str);
+        printWriter.print("mUri=");
+        printWriter.println(this.mUri);
+        printWriter.print(str);
+        printWriter.print("mProjection=");
+        printWriter.println(Arrays.toString(this.mProjection));
+        printWriter.print(str);
+        printWriter.print("mSelection=");
+        printWriter.println(this.mSelection);
+        printWriter.print(str);
+        printWriter.print("mSelectionArgs=");
+        printWriter.println(Arrays.toString(this.mSelectionArgs));
+        printWriter.print(str);
+        printWriter.print("mSortOrder=");
+        printWriter.println(this.mSortOrder);
+        printWriter.print(str);
+        printWriter.print("mCursor=");
+        printWriter.println(this.mCursor);
+        printWriter.print(str);
+        printWriter.print("mContentChanged=");
+        printWriter.println(this.mContentChanged);
+    }
+}