All Downloads are FREE. Search and download functionalities are using the official Maven repository.

android.os.Bundle Maven / Gradle / Ivy

Go to download

A library jar that provides APIs for Applications written for the Google Android Platform.

There is a newer version: 14-robolectric-10818077
Show newest version
/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * 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 android.os;

import android.util.ArrayMap;
import android.util.Log;
import android.util.SparseArray;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;

/**
 * A mapping from String values to various Parcelable types.
 *
 */
public final class Bundle implements Parcelable, Cloneable {
    private static final String TAG = "Bundle";
    static final boolean DEBUG = false;
    public static final Bundle EMPTY;

    static final int BUNDLE_MAGIC = 0x4C444E42; // 'B' 'N' 'D' 'L'

    static {
        EMPTY = new Bundle();
        EMPTY.mMap = ArrayMap.EMPTY;
    }

    // Invariant - exactly one of mMap / mParcelledData will be null
    // (except inside a call to unparcel)

    /* package */ ArrayMap mMap = null;

    /*
     * If mParcelledData is non-null, then mMap will be null and the
     * data are stored as a Parcel containing a Bundle.  When the data
     * are unparcelled, mParcelledData willbe set to null.
     */
    /* package */ Parcel mParcelledData = null;

    private boolean mHasFds = false;
    private boolean mFdsKnown = true;
    private boolean mAllowFds = true;

    /**
     * The ClassLoader used when unparcelling data from mParcelledData.
     */
    private ClassLoader mClassLoader;

    /**
     * Constructs a new, empty Bundle.
     */
    public Bundle() {
        mMap = new ArrayMap();
        mClassLoader = getClass().getClassLoader();
    }

    /**
     * Constructs a Bundle whose data is stored as a Parcel.  The data
     * will be unparcelled on first contact, using the assigned ClassLoader.
     *
     * @param parcelledData a Parcel containing a Bundle
     */
    Bundle(Parcel parcelledData) {
        readFromParcel(parcelledData);
    }

    /* package */ Bundle(Parcel parcelledData, int length) {
        readFromParcelInner(parcelledData, length);
    }

    /**
     * Constructs a new, empty Bundle that uses a specific ClassLoader for
     * instantiating Parcelable and Serializable objects.
     *
     * @param loader An explicit ClassLoader to use when instantiating objects
     * inside of the Bundle.
     */
    public Bundle(ClassLoader loader) {
        mMap = new ArrayMap();
        mClassLoader = loader;
    }

    /**
     * Constructs a new, empty Bundle sized to hold the given number of
     * elements. The Bundle will grow as needed.
     *
     * @param capacity the initial capacity of the Bundle
     */
    public Bundle(int capacity) {
        mMap = new ArrayMap(capacity);
        mClassLoader = getClass().getClassLoader();
    }

    /**
     * Constructs a Bundle containing a copy of the mappings from the given
     * Bundle.
     *
     * @param b a Bundle to be copied.
     */
    public Bundle(Bundle b) {
        if (b.mParcelledData != null) {
            mParcelledData = Parcel.obtain();
            mParcelledData.appendFrom(b.mParcelledData, 0, b.mParcelledData.dataSize());
            mParcelledData.setDataPosition(0);
        } else {
            mParcelledData = null;
        }

        if (b.mMap != null) {
            mMap = new ArrayMap(b.mMap);
        } else {
            mMap = null;
        }

        mHasFds = b.mHasFds;
        mFdsKnown = b.mFdsKnown;
        mClassLoader = b.mClassLoader;
    }

    /**
     * Make a Bundle for a single key/value pair.
     *
     * @hide
     */
    public static Bundle forPair(String key, String value) {
        // TODO: optimize this case.
        Bundle b = new Bundle(1);
        b.putString(key, value);
        return b;
    }

    /**
     * TODO: optimize this later (getting just the value part of a Bundle
     * with a single pair) once Bundle.forPair() above is implemented
     * with a special single-value Map implementation/serialization.
     *
     * Note: value in single-pair Bundle may be null.
     *
     * @hide
     */
    public String getPairValue() {
        unparcel();
        int size = mMap.size();
        if (size > 1) {
            Log.w(TAG, "getPairValue() used on Bundle with multiple pairs.");
        }
        if (size == 0) {
            return null;
        }
        Object o = mMap.valueAt(0);
        try {
            return (String) o;
        } catch (ClassCastException e) {
            typeWarning("getPairValue()", o, "String", e);
            return null;
        }
    }

    /**
     * Changes the ClassLoader this Bundle uses when instantiating objects.
     *
     * @param loader An explicit ClassLoader to use when instantiating objects
     * inside of the Bundle.
     */
    public void setClassLoader(ClassLoader loader) {
        mClassLoader = loader;
    }

    /**
     * Return the ClassLoader currently associated with this Bundle.
     */
    public ClassLoader getClassLoader() {
        return mClassLoader;
    }

    /** @hide */
    public boolean setAllowFds(boolean allowFds) {
        boolean orig = mAllowFds;
        mAllowFds = allowFds;
        return orig;
    }

    /**
     * Clones the current Bundle. The internal map is cloned, but the keys and
     * values to which it refers are copied by reference.
     */
    @Override
    public Object clone() {
        return new Bundle(this);
    }

    /**
     * If the underlying data are stored as a Parcel, unparcel them
     * using the currently assigned class loader.
     */
    /* package */ synchronized void unparcel() {
        if (mParcelledData == null) {
            if (DEBUG) Log.d(TAG, "unparcel " + Integer.toHexString(System.identityHashCode(this))
                    + ": no parcelled data");
            return;
        }

        int N = mParcelledData.readInt();
        if (DEBUG) Log.d(TAG, "unparcel " + Integer.toHexString(System.identityHashCode(this))
                + ": reading " + N + " maps");
        if (N < 0) {
            return;
        }
        if (mMap == null) {
            mMap = new ArrayMap(N);
        } else {
            mMap.erase();
            mMap.ensureCapacity(N);
        }
        mParcelledData.readArrayMapInternal(mMap, N, mClassLoader);
        mParcelledData.recycle();
        mParcelledData = null;
        if (DEBUG) Log.d(TAG, "unparcel " + Integer.toHexString(System.identityHashCode(this))
                + " final map: " + mMap);
    }

    /**
     * @hide
     */
    public boolean isParcelled() {
        return mParcelledData != null;
    }

    /**
     * Returns the number of mappings contained in this Bundle.
     *
     * @return the number of mappings as an int.
     */
    public int size() {
        unparcel();
        return mMap.size();
    }

    /**
     * Returns true if the mapping of this Bundle is empty, false otherwise.
     */
    public boolean isEmpty() {
        unparcel();
        return mMap.isEmpty();
    }

    /**
     * Removes all elements from the mapping of this Bundle.
     */
    public void clear() {
        unparcel();
        mMap.clear();
        mHasFds = false;
        mFdsKnown = true;
    }

    /**
     * Returns true if the given key is contained in the mapping
     * of this Bundle.
     *
     * @param key a String key
     * @return true if the key is part of the mapping, false otherwise
     */
    public boolean containsKey(String key) {
        unparcel();
        return mMap.containsKey(key);
    }

    /**
     * Returns the entry with the given key as an object.
     *
     * @param key a String key
     * @return an Object, or null
     */
    public Object get(String key) {
        unparcel();
        return mMap.get(key);
    }

    /**
     * Removes any entry with the given key from the mapping of this Bundle.
     *
     * @param key a String key
     */
    public void remove(String key) {
        unparcel();
        mMap.remove(key);
    }

    /**
     * Inserts all mappings from the given Bundle into this Bundle.
     *
     * @param map a Bundle
     */
    public void putAll(Bundle map) {
        unparcel();
        map.unparcel();
        mMap.putAll(map.mMap);

        // fd state is now known if and only if both bundles already knew
        mHasFds |= map.mHasFds;
        mFdsKnown = mFdsKnown && map.mFdsKnown;
    }

    /**
     * Returns a Set containing the Strings used as keys in this Bundle.
     *
     * @return a Set of String keys
     */
    public Set keySet() {
        unparcel();
        return mMap.keySet();
    }

    /**
     * Reports whether the bundle contains any parcelled file descriptors.
     */
    public boolean hasFileDescriptors() {
        if (!mFdsKnown) {
            boolean fdFound = false;    // keep going until we find one or run out of data
            
            if (mParcelledData != null) {
                if (mParcelledData.hasFileDescriptors()) {
                    fdFound = true;
                }
            } else {
                // It's been unparcelled, so we need to walk the map
                for (int i=mMap.size()-1; i>=0; i--) {
                    Object obj = mMap.valueAt(i);
                    if (obj instanceof Parcelable) {
                        if ((((Parcelable)obj).describeContents()
                                & Parcelable.CONTENTS_FILE_DESCRIPTOR) != 0) {
                            fdFound = true;
                            break;
                        }
                    } else if (obj instanceof Parcelable[]) {
                        Parcelable[] array = (Parcelable[]) obj;
                        for (int n = array.length - 1; n >= 0; n--) {
                            if ((array[n].describeContents()
                                    & Parcelable.CONTENTS_FILE_DESCRIPTOR) != 0) {
                                fdFound = true;
                                break;
                            }
                        }
                    } else if (obj instanceof SparseArray) {
                        SparseArray array =
                                (SparseArray) obj;
                        for (int n = array.size() - 1; n >= 0; n--) {
                            if ((array.get(n).describeContents()
                                    & Parcelable.CONTENTS_FILE_DESCRIPTOR) != 0) {
                                fdFound = true;
                                break;
                            }
                        }
                    } else if (obj instanceof ArrayList) {
                        ArrayList array = (ArrayList) obj;
                        // an ArrayList here might contain either Strings or
                        // Parcelables; only look inside for Parcelables
                        if ((array.size() > 0)
                                && (array.get(0) instanceof Parcelable)) {
                            for (int n = array.size() - 1; n >= 0; n--) {
                                Parcelable p = (Parcelable) array.get(n);
                                if (p != null && ((p.describeContents()
                                        & Parcelable.CONTENTS_FILE_DESCRIPTOR) != 0)) {
                                    fdFound = true;
                                    break;
                                }
                            }
                        }
                    }
                }
            }

            mHasFds = fdFound;
            mFdsKnown = true;
        }
        return mHasFds;
    }
    
    /**
     * Inserts a Boolean value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a Boolean, or null
     */
    public void putBoolean(String key, boolean value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a byte value into the mapping of this Bundle, replacing
     * any existing value for the given key.
     *
     * @param key a String, or null
     * @param value a byte
     */
    public void putByte(String key, byte value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a char value into the mapping of this Bundle, replacing
     * any existing value for the given key.
     *
     * @param key a String, or null
     * @param value a char, or null
     */
    public void putChar(String key, char value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a short value into the mapping of this Bundle, replacing
     * any existing value for the given key.
     *
     * @param key a String, or null
     * @param value a short
     */
    public void putShort(String key, short value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts an int value into the mapping of this Bundle, replacing
     * any existing value for the given key.
     *
     * @param key a String, or null
     * @param value an int, or null
     */
    public void putInt(String key, int value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a long value into the mapping of this Bundle, replacing
     * any existing value for the given key.
     *
     * @param key a String, or null
     * @param value a long
     */
    public void putLong(String key, long value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a float value into the mapping of this Bundle, replacing
     * any existing value for the given key.
     *
     * @param key a String, or null
     * @param value a float
     */
    public void putFloat(String key, float value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a double value into the mapping of this Bundle, replacing
     * any existing value for the given key.
     *
     * @param key a String, or null
     * @param value a double
     */
    public void putDouble(String key, double value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a String value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a String, or null
     */
    public void putString(String key, String value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a CharSequence value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a CharSequence, or null
     */
    public void putCharSequence(String key, CharSequence value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a Parcelable value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a Parcelable object, or null
     */
    public void putParcelable(String key, Parcelable value) {
        unparcel();
        mMap.put(key, value);
        mFdsKnown = false;
    }

    /**
     * Inserts an array of Parcelable values into the mapping of this Bundle,
     * replacing any existing value for the given key.  Either key or value may
     * be null.
     *
     * @param key a String, or null
     * @param value an array of Parcelable objects, or null
     */
    public void putParcelableArray(String key, Parcelable[] value) {
        unparcel();
        mMap.put(key, value);
        mFdsKnown = false;
    }

    /**
     * Inserts a List of Parcelable values into the mapping of this Bundle,
     * replacing any existing value for the given key.  Either key or value may
     * be null.
     *
     * @param key a String, or null
     * @param value an ArrayList of Parcelable objects, or null
     */
    public void putParcelableArrayList(String key,
        ArrayList value) {
        unparcel();
        mMap.put(key, value);
        mFdsKnown = false;
    }

    /** {@hide} */
    public void putParcelableList(String key, List value) {
        unparcel();
        mMap.put(key, value);
        mFdsKnown = false;
    }

    /**
     * Inserts a SparceArray of Parcelable values into the mapping of this
     * Bundle, replacing any existing value for the given key.  Either key
     * or value may be null.
     *
     * @param key a String, or null
     * @param value a SparseArray of Parcelable objects, or null
     */
    public void putSparseParcelableArray(String key,
            SparseArray value) {
        unparcel();
        mMap.put(key, value);
        mFdsKnown = false;
    }

    /**
     * Inserts an ArrayList value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value an ArrayList object, or null
     */
    public void putIntegerArrayList(String key, ArrayList value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts an ArrayList value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value an ArrayList object, or null
     */
    public void putStringArrayList(String key, ArrayList value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts an ArrayList value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value an ArrayList object, or null
     */
    public void putCharSequenceArrayList(String key, ArrayList value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a Serializable value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a Serializable object, or null
     */
    public void putSerializable(String key, Serializable value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a boolean array value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a boolean array object, or null
     */
    public void putBooleanArray(String key, boolean[] value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a byte array value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a byte array object, or null
     */
    public void putByteArray(String key, byte[] value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a short array value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a short array object, or null
     */
    public void putShortArray(String key, short[] value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a char array value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a char array object, or null
     */
    public void putCharArray(String key, char[] value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts an int array value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value an int array object, or null
     */
    public void putIntArray(String key, int[] value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a long array value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a long array object, or null
     */
    public void putLongArray(String key, long[] value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a float array value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a float array object, or null
     */
    public void putFloatArray(String key, float[] value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a double array value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a double array object, or null
     */
    public void putDoubleArray(String key, double[] value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a String array value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a String array object, or null
     */
    public void putStringArray(String key, String[] value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a CharSequence array value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a CharSequence array object, or null
     */
    public void putCharSequenceArray(String key, CharSequence[] value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts a Bundle value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * @param key a String, or null
     * @param value a Bundle object, or null
     */
    public void putBundle(String key, Bundle value) {
        unparcel();
        mMap.put(key, value);
    }

    /**
     * Inserts an {@link IBinder} value into the mapping of this Bundle, replacing
     * any existing value for the given key.  Either key or value may be null.
     *
     * 

You should be very careful when using this function. In many * places where Bundles are used (such as inside of Intent objects), the Bundle * can live longer inside of another process than the process that had originally * created it. In that case, the IBinder you supply here will become invalid * when your process goes away, and no longer usable, even if a new process is * created for you later on.

* * @param key a String, or null * @param value an IBinder object, or null */ public void putBinder(String key, IBinder value) { unparcel(); mMap.put(key, value); } /** * Inserts an IBinder value into the mapping of this Bundle, replacing * any existing value for the given key. Either key or value may be null. * * @param key a String, or null * @param value an IBinder object, or null * * @deprecated * @hide This is the old name of the function. */ @Deprecated public void putIBinder(String key, IBinder value) { unparcel(); mMap.put(key, value); } /** * Returns the value associated with the given key, or false if * no mapping of the desired type exists for the given key. * * @param key a String * @return a boolean value */ public boolean getBoolean(String key) { unparcel(); if (DEBUG) Log.d(TAG, "Getting boolean in " + Integer.toHexString(System.identityHashCode(this))); return getBoolean(key, false); } // Log a message if the value was non-null but not of the expected type private void typeWarning(String key, Object value, String className, Object defaultValue, ClassCastException e) { StringBuilder sb = new StringBuilder(); sb.append("Key "); sb.append(key); sb.append(" expected "); sb.append(className); sb.append(" but value was a "); sb.append(value.getClass().getName()); sb.append(". The default value "); sb.append(defaultValue); sb.append(" was returned."); Log.w(TAG, sb.toString()); Log.w(TAG, "Attempt to cast generated internal exception:", e); } private void typeWarning(String key, Object value, String className, ClassCastException e) { typeWarning(key, value, className, "", e); } /** * Returns the value associated with the given key, or defaultValue if * no mapping of the desired type exists for the given key. * * @param key a String * @param defaultValue Value to return if key does not exist * @return a boolean value */ public boolean getBoolean(String key, boolean defaultValue) { unparcel(); Object o = mMap.get(key); if (o == null) { return defaultValue; } try { return (Boolean) o; } catch (ClassCastException e) { typeWarning(key, o, "Boolean", defaultValue, e); return defaultValue; } } /** * Returns the value associated with the given key, or (byte) 0 if * no mapping of the desired type exists for the given key. * * @param key a String * @return a byte value */ public byte getByte(String key) { unparcel(); return getByte(key, (byte) 0); } /** * Returns the value associated with the given key, or defaultValue if * no mapping of the desired type exists for the given key. * * @param key a String * @param defaultValue Value to return if key does not exist * @return a byte value */ public Byte getByte(String key, byte defaultValue) { unparcel(); Object o = mMap.get(key); if (o == null) { return defaultValue; } try { return (Byte) o; } catch (ClassCastException e) { typeWarning(key, o, "Byte", defaultValue, e); return defaultValue; } } /** * Returns the value associated with the given key, or (char) 0 if * no mapping of the desired type exists for the given key. * * @param key a String * @return a char value */ public char getChar(String key) { unparcel(); return getChar(key, (char) 0); } /** * Returns the value associated with the given key, or defaultValue if * no mapping of the desired type exists for the given key. * * @param key a String * @param defaultValue Value to return if key does not exist * @return a char value */ public char getChar(String key, char defaultValue) { unparcel(); Object o = mMap.get(key); if (o == null) { return defaultValue; } try { return (Character) o; } catch (ClassCastException e) { typeWarning(key, o, "Character", defaultValue, e); return defaultValue; } } /** * Returns the value associated with the given key, or (short) 0 if * no mapping of the desired type exists for the given key. * * @param key a String * @return a short value */ public short getShort(String key) { unparcel(); return getShort(key, (short) 0); } /** * Returns the value associated with the given key, or defaultValue if * no mapping of the desired type exists for the given key. * * @param key a String * @param defaultValue Value to return if key does not exist * @return a short value */ public short getShort(String key, short defaultValue) { unparcel(); Object o = mMap.get(key); if (o == null) { return defaultValue; } try { return (Short) o; } catch (ClassCastException e) { typeWarning(key, o, "Short", defaultValue, e); return defaultValue; } } /** * Returns the value associated with the given key, or 0 if * no mapping of the desired type exists for the given key. * * @param key a String * @return an int value */ public int getInt(String key) { unparcel(); return getInt(key, 0); } /** * Returns the value associated with the given key, or defaultValue if * no mapping of the desired type exists for the given key. * * @param key a String * @param defaultValue Value to return if key does not exist * @return an int value */ public int getInt(String key, int defaultValue) { unparcel(); Object o = mMap.get(key); if (o == null) { return defaultValue; } try { return (Integer) o; } catch (ClassCastException e) { typeWarning(key, o, "Integer", defaultValue, e); return defaultValue; } } /** * Returns the value associated with the given key, or 0L if * no mapping of the desired type exists for the given key. * * @param key a String * @return a long value */ public long getLong(String key) { unparcel(); return getLong(key, 0L); } /** * Returns the value associated with the given key, or defaultValue if * no mapping of the desired type exists for the given key. * * @param key a String * @param defaultValue Value to return if key does not exist * @return a long value */ public long getLong(String key, long defaultValue) { unparcel(); Object o = mMap.get(key); if (o == null) { return defaultValue; } try { return (Long) o; } catch (ClassCastException e) { typeWarning(key, o, "Long", defaultValue, e); return defaultValue; } } /** * Returns the value associated with the given key, or 0.0f if * no mapping of the desired type exists for the given key. * * @param key a String * @return a float value */ public float getFloat(String key) { unparcel(); return getFloat(key, 0.0f); } /** * Returns the value associated with the given key, or defaultValue if * no mapping of the desired type exists for the given key. * * @param key a String * @param defaultValue Value to return if key does not exist * @return a float value */ public float getFloat(String key, float defaultValue) { unparcel(); Object o = mMap.get(key); if (o == null) { return defaultValue; } try { return (Float) o; } catch (ClassCastException e) { typeWarning(key, o, "Float", defaultValue, e); return defaultValue; } } /** * Returns the value associated with the given key, or 0.0 if * no mapping of the desired type exists for the given key. * * @param key a String * @return a double value */ public double getDouble(String key) { unparcel(); return getDouble(key, 0.0); } /** * Returns the value associated with the given key, or defaultValue if * no mapping of the desired type exists for the given key. * * @param key a String * @param defaultValue Value to return if key does not exist * @return a double value */ public double getDouble(String key, double defaultValue) { unparcel(); Object o = mMap.get(key); if (o == null) { return defaultValue; } try { return (Double) o; } catch (ClassCastException e) { typeWarning(key, o, "Double", defaultValue, e); return defaultValue; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a String value, or null */ public String getString(String key) { unparcel(); final Object o = mMap.get(key); try { return (String) o; } catch (ClassCastException e) { typeWarning(key, o, "String", e); return null; } } /** * Returns the value associated with the given key, or defaultValue if * no mapping of the desired type exists for the given key. * * @param key a String, or null * @param defaultValue Value to return if key does not exist * @return the String value associated with the given key, or defaultValue * if no valid String object is currently mapped to that key. */ public String getString(String key, String defaultValue) { final String s = getString(key); return (s == null) ? defaultValue : s; } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a CharSequence value, or null */ public CharSequence getCharSequence(String key) { unparcel(); final Object o = mMap.get(key); try { return (CharSequence) o; } catch (ClassCastException e) { typeWarning(key, o, "CharSequence", e); return null; } } /** * Returns the value associated with the given key, or defaultValue if * no mapping of the desired type exists for the given key. * * @param key a String, or null * @param defaultValue Value to return if key does not exist * @return the CharSequence value associated with the given key, or defaultValue * if no valid CharSequence object is currently mapped to that key. */ public CharSequence getCharSequence(String key, CharSequence defaultValue) { final CharSequence cs = getCharSequence(key); return (cs == null) ? defaultValue : cs; } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a Bundle value, or null */ public Bundle getBundle(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (Bundle) o; } catch (ClassCastException e) { typeWarning(key, o, "Bundle", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a Parcelable value, or null */ public T getParcelable(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (T) o; } catch (ClassCastException e) { typeWarning(key, o, "Parcelable", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a Parcelable[] value, or null */ public Parcelable[] getParcelableArray(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (Parcelable[]) o; } catch (ClassCastException e) { typeWarning(key, o, "Parcelable[]", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return an ArrayList value, or null */ public ArrayList getParcelableArrayList(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (ArrayList) o; } catch (ClassCastException e) { typeWarning(key, o, "ArrayList", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * * @return a SparseArray of T values, or null */ public SparseArray getSparseParcelableArray(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (SparseArray) o; } catch (ClassCastException e) { typeWarning(key, o, "SparseArray", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a Serializable value, or null */ public Serializable getSerializable(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (Serializable) o; } catch (ClassCastException e) { typeWarning(key, o, "Serializable", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return an ArrayList value, or null */ public ArrayList getIntegerArrayList(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (ArrayList) o; } catch (ClassCastException e) { typeWarning(key, o, "ArrayList", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return an ArrayList value, or null */ public ArrayList getStringArrayList(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (ArrayList) o; } catch (ClassCastException e) { typeWarning(key, o, "ArrayList", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return an ArrayList value, or null */ public ArrayList getCharSequenceArrayList(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (ArrayList) o; } catch (ClassCastException e) { typeWarning(key, o, "ArrayList", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a boolean[] value, or null */ public boolean[] getBooleanArray(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (boolean[]) o; } catch (ClassCastException e) { typeWarning(key, o, "byte[]", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a byte[] value, or null */ public byte[] getByteArray(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (byte[]) o; } catch (ClassCastException e) { typeWarning(key, o, "byte[]", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a short[] value, or null */ public short[] getShortArray(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (short[]) o; } catch (ClassCastException e) { typeWarning(key, o, "short[]", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a char[] value, or null */ public char[] getCharArray(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (char[]) o; } catch (ClassCastException e) { typeWarning(key, o, "char[]", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return an int[] value, or null */ public int[] getIntArray(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (int[]) o; } catch (ClassCastException e) { typeWarning(key, o, "int[]", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a long[] value, or null */ public long[] getLongArray(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (long[]) o; } catch (ClassCastException e) { typeWarning(key, o, "long[]", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a float[] value, or null */ public float[] getFloatArray(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (float[]) o; } catch (ClassCastException e) { typeWarning(key, o, "float[]", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a double[] value, or null */ public double[] getDoubleArray(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (double[]) o; } catch (ClassCastException e) { typeWarning(key, o, "double[]", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a String[] value, or null */ public String[] getStringArray(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (String[]) o; } catch (ClassCastException e) { typeWarning(key, o, "String[]", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return a CharSequence[] value, or null */ public CharSequence[] getCharSequenceArray(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (CharSequence[]) o; } catch (ClassCastException e) { typeWarning(key, o, "CharSequence[]", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return an IBinder value, or null */ public IBinder getBinder(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (IBinder) o; } catch (ClassCastException e) { typeWarning(key, o, "IBinder", e); return null; } } /** * Returns the value associated with the given key, or null if * no mapping of the desired type exists for the given key or a null * value is explicitly associated with the key. * * @param key a String, or null * @return an IBinder value, or null * * @deprecated * @hide This is the old name of the function. */ @Deprecated public IBinder getIBinder(String key) { unparcel(); Object o = mMap.get(key); if (o == null) { return null; } try { return (IBinder) o; } catch (ClassCastException e) { typeWarning(key, o, "IBinder", e); return null; } } public static final Parcelable.Creator CREATOR = new Parcelable.Creator() { public Bundle createFromParcel(Parcel in) { return in.readBundle(); } public Bundle[] newArray(int size) { return new Bundle[size]; } }; /** * Report the nature of this Parcelable's contents */ public int describeContents() { int mask = 0; if (hasFileDescriptors()) { mask |= Parcelable.CONTENTS_FILE_DESCRIPTOR; } return mask; } /** * Writes the Bundle contents to a Parcel, typically in order for * it to be passed through an IBinder connection. * @param parcel The parcel to copy this bundle to. */ public void writeToParcel(Parcel parcel, int flags) { final boolean oldAllowFds = parcel.pushAllowFds(mAllowFds); try { if (mParcelledData != null) { int length = mParcelledData.dataSize(); parcel.writeInt(length); parcel.writeInt(BUNDLE_MAGIC); parcel.appendFrom(mParcelledData, 0, length); } else { int lengthPos = parcel.dataPosition(); parcel.writeInt(-1); // dummy, will hold length parcel.writeInt(BUNDLE_MAGIC); int startPos = parcel.dataPosition(); parcel.writeArrayMapInternal(mMap); int endPos = parcel.dataPosition(); // Backpatch length parcel.setDataPosition(lengthPos); int length = endPos - startPos; parcel.writeInt(length); parcel.setDataPosition(endPos); } } finally { parcel.restoreAllowFds(oldAllowFds); } } /** * Reads the Parcel contents into this Bundle, typically in order for * it to be passed through an IBinder connection. * @param parcel The parcel to overwrite this bundle from. */ public void readFromParcel(Parcel parcel) { int length = parcel.readInt(); if (length < 0) { throw new RuntimeException("Bad length in parcel: " + length); } readFromParcelInner(parcel, length); } void readFromParcelInner(Parcel parcel, int length) { int magic = parcel.readInt(); if (magic != BUNDLE_MAGIC) { //noinspection ThrowableInstanceNeverThrown throw new IllegalStateException("Bad magic number for Bundle: 0x" + Integer.toHexString(magic)); } // Advance within this Parcel int offset = parcel.dataPosition(); parcel.setDataPosition(offset + length); Parcel p = Parcel.obtain(); p.setDataPosition(0); p.appendFrom(parcel, offset, length); if (DEBUG) Log.d(TAG, "Retrieving " + Integer.toHexString(System.identityHashCode(this)) + ": " + length + " bundle bytes starting at " + offset); p.setDataPosition(0); mParcelledData = p; mHasFds = p.hasFileDescriptors(); mFdsKnown = true; } @Override public synchronized String toString() { if (mParcelledData != null) { return "Bundle[mParcelledData.dataSize=" + mParcelledData.dataSize() + "]"; } return "Bundle[" + mMap.toString() + "]"; } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy