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Android example source code file (TypedArray.java)

This example Android source code file (TypedArray.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" TM.

Java - Android tags/keywords

android, can't, charsequence, colorstatelist, converting, drawable, drawing, paint, resources, runtimeexception, string, typedarray, typedvalue, unsupportedoperationexception, util, utilities, utils, you

The TypedArray.java Android example source code

/*
 * Copyright (C) 2008 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.content.res;

import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.Log;
import android.util.TypedValue;

import com.android.internal.util.XmlUtils;

import java.util.Arrays;

/**
 * Container for an array of values that were retrieved with
 * {@link Resources.Theme#obtainStyledAttributes(AttributeSet, int[], int, int)}
 * or {@link Resources#obtainAttributes}.  Be
 * sure to call {@link #recycle} when done with them.
 * 
 * The indices used to retrieve values from this structure correspond to
 * the positions of the attributes given to obtainStyledAttributes.
 */
public class TypedArray {
    private final Resources mResources;
    /*package*/ XmlBlock.Parser mXml;
    /*package*/ int[] mRsrcs;
    /*package*/ int[] mData;
    /*package*/ int[] mIndices;
    /*package*/ int mLength;
    private TypedValue mValue = new TypedValue();
   
    /**
     * Return the number of values in this array.
     */
    public int length() {
        return mLength;
    }
    
    /**
     * Return the number of indices in the array that actually have data.
     */
    public int getIndexCount() {
        return mIndices[0];
    }
    
    /**
     * Return an index in the array that has data.
     * 
     * @param at The index you would like to returned, ranging from 0 to
     * {@link #getIndexCount()}.
     * 
     * @return The index at the given offset, which can be used with
     * {@link #getValue} and related APIs.
     */
    public int getIndex(int at) {
        return mIndices[1+at];
    }
    
    /**
     * Return the Resources object this array was loaded from.
     */
    public Resources getResources() {
        return mResources;
    }
    
    /**
     * Retrieve the styled string value for the attribute at <var>index.
     * 
     * @param index Index of attribute to retrieve.
     * 
     * @return CharSequence holding string data.  May be styled.  Returns 
     *         null if the attribute is not defined.
     */
    public CharSequence getText(int index) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type == TypedValue.TYPE_NULL) {
            return null;
        } else if (type == TypedValue.TYPE_STRING) {
            return loadStringValueAt(index);
        }

        TypedValue v = mValue;
        if (getValueAt(index, v)) {
            Log.w(Resources.TAG, "Converting to string: " + v);
            return v.coerceToString();
        }
        Log.w(Resources.TAG, "getString of bad type: 0x"
              + Integer.toHexString(type));
        return null;
    }

    /**
     * Retrieve the string value for the attribute at <var>index.
     * 
     * @param index Index of attribute to retrieve.
     * 
     * @return String holding string data.  Any styling information is
     * removed.  Returns null if the attribute is not defined.
     */
    public String getString(int index) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type == TypedValue.TYPE_NULL) {
            return null;
        } else if (type == TypedValue.TYPE_STRING) {
            return loadStringValueAt(index).toString();
        }

        TypedValue v = mValue;
        if (getValueAt(index, v)) {
            Log.w(Resources.TAG, "Converting to string: " + v);
            CharSequence cs = v.coerceToString();
            return cs != null ? cs.toString() : null;
        }
        Log.w(Resources.TAG, "getString of bad type: 0x"
              + Integer.toHexString(type));
        return null;
    }

    /**
     * Retrieve the string value for the attribute at <var>index, but
     * only if that string comes from an immediate value in an XML file.  That
     * is, this does not allow references to string resources, string
     * attributes, or conversions from other types.  As such, this method
     * will only return strings for TypedArray objects that come from
     * attributes in an XML file.
     * 
     * @param index Index of attribute to retrieve.
     * 
     * @return String holding string data.  Any styling information is
     * removed.  Returns null if the attribute is not defined or is not
     * an immediate string value.
     */
    public String getNonResourceString(int index) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type == TypedValue.TYPE_STRING) {
            final int cookie = data[index+AssetManager.STYLE_ASSET_COOKIE];
            if (cookie < 0) {
                return mXml.getPooledString(
                    data[index+AssetManager.STYLE_DATA]).toString();
            }
        }
        return null;
    }
    
    /**
     * @hide
     * Retrieve the string value for the attribute at <var>index that is
     * not allowed to change with the given configurations.
     * 
     * @param index Index of attribute to retrieve.
     * @param allowedChangingConfigs Bit mask of configurations from
     * ActivityInfo that are allowed to change.
     * 
     * @return String holding string data.  Any styling information is
     * removed.  Returns null if the attribute is not defined.
     */
    public String getNonConfigurationString(int index, int allowedChangingConfigs) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if ((data[index+AssetManager.STYLE_CHANGING_CONFIGURATIONS]&~allowedChangingConfigs) != 0) {
            return null;
        }
        if (type == TypedValue.TYPE_NULL) {
            return null;
        } else if (type == TypedValue.TYPE_STRING) {
            return loadStringValueAt(index).toString();
        }

        TypedValue v = mValue;
        if (getValueAt(index, v)) {
            Log.w(Resources.TAG, "Converting to string: " + v);
            CharSequence cs = v.coerceToString();
            return cs != null ? cs.toString() : null;
        }
        Log.w(Resources.TAG, "getString of bad type: 0x"
              + Integer.toHexString(type));
        return null;
    }

    /**
     * Retrieve the boolean value for the attribute at <var>index.
     * 
     * @param index Index of attribute to retrieve.
     * @param defValue Value to return if the attribute is not defined.
     * 
     * @return Attribute boolean value, or defValue if not defined.
     */
    public boolean getBoolean(int index, boolean defValue) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type == TypedValue.TYPE_NULL) {
            return defValue;
        } else if (type >= TypedValue.TYPE_FIRST_INT
            && type <= TypedValue.TYPE_LAST_INT) {
            return data[index+AssetManager.STYLE_DATA] != 0;
        }

        TypedValue v = mValue;
        if (getValueAt(index, v)) {
            Log.w(Resources.TAG, "Converting to boolean: " + v);
            return XmlUtils.convertValueToBoolean(
                v.coerceToString(), defValue);
        }
        Log.w(Resources.TAG, "getBoolean of bad type: 0x"
              + Integer.toHexString(type));
        return defValue;
    }

    /**
     * Retrieve the integer value for the attribute at <var>index.
     * 
     * @param index Index of attribute to retrieve.
     * @param defValue Value to return if the attribute is not defined.
     * 
     * @return Attribute int value, or defValue if not defined.
     */
    public int getInt(int index, int defValue) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type == TypedValue.TYPE_NULL) {
            return defValue;
        } else if (type >= TypedValue.TYPE_FIRST_INT
            && type <= TypedValue.TYPE_LAST_INT) {
            return data[index+AssetManager.STYLE_DATA];
        }

        TypedValue v = mValue;
        if (getValueAt(index, v)) {
            Log.w(Resources.TAG, "Converting to int: " + v);
            return XmlUtils.convertValueToInt(
                v.coerceToString(), defValue);
        }
        Log.w(Resources.TAG, "getInt of bad type: 0x"
              + Integer.toHexString(type));
        return defValue;
    }

    /**
     * Retrieve the float value for the attribute at <var>index.
     * 
     * @param index Index of attribute to retrieve.
     * 
     * @return Attribute float value, or defValue if not defined..
     */
    public float getFloat(int index, float defValue) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type == TypedValue.TYPE_NULL) {
            return defValue;
        } else if (type == TypedValue.TYPE_FLOAT) {
            return Float.intBitsToFloat(data[index+AssetManager.STYLE_DATA]);
        } else if (type >= TypedValue.TYPE_FIRST_INT
            && type <= TypedValue.TYPE_LAST_INT) {
            return data[index+AssetManager.STYLE_DATA];
        }

        TypedValue v = mValue;
        if (getValueAt(index, v)) {
            Log.w(Resources.TAG, "Converting to float: " + v);
            CharSequence str = v.coerceToString();
            if (str != null) {
                return Float.parseFloat(str.toString());
            }
        }
        Log.w(Resources.TAG, "getFloat of bad type: 0x"
              + Integer.toHexString(type));
        return defValue;
    }
    
    /**
     * Retrieve the color value for the attribute at <var>index.  If
     * the attribute references a color resource holding a complex
     * {@link android.content.res.ColorStateList}, then the default color from
     * the set is returned.
     * 
     * @param index Index of attribute to retrieve.
     * @param defValue Value to return if the attribute is not defined or
     *                 not a resource.
     * 
     * @return Attribute color value, or defValue if not defined.
     */
    public int getColor(int index, int defValue) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type == TypedValue.TYPE_NULL) {
            return defValue;
        } else if (type >= TypedValue.TYPE_FIRST_INT
            && type <= TypedValue.TYPE_LAST_INT) {
            return data[index+AssetManager.STYLE_DATA];
        } else if (type == TypedValue.TYPE_STRING) {
            final TypedValue value = mValue;
            if (getValueAt(index, value)) {
                ColorStateList csl = mResources.loadColorStateList(
                        value, value.resourceId);
                return csl.getDefaultColor();
            }
            return defValue;
        }

        throw new UnsupportedOperationException("Can't convert to color: type=0x"
                + Integer.toHexString(type));
    }

    /**
     * Retrieve the ColorStateList for the attribute at <var>index.
     * The value may be either a single solid color or a reference to
     * a color or complex {@link android.content.res.ColorStateList} description.
     * 
     * @param index Index of attribute to retrieve.
     * 
     * @return ColorStateList for the attribute, or null if not defined.
     */
    public ColorStateList getColorStateList(int index) {
        final TypedValue value = mValue;
        if (getValueAt(index*AssetManager.STYLE_NUM_ENTRIES, value)) {
            return mResources.loadColorStateList(value, value.resourceId);
        }
        return null;
    }

    /**
     * Retrieve the integer value for the attribute at <var>index.
     * 
     * @param index Index of attribute to retrieve.
     * @param defValue Value to return if the attribute is not defined or
     *                 not a resource.
     * 
     * @return Attribute integer value, or defValue if not defined.
     */
    public int getInteger(int index, int defValue) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type == TypedValue.TYPE_NULL) {
            return defValue;
        } else if (type >= TypedValue.TYPE_FIRST_INT
            && type <= TypedValue.TYPE_LAST_INT) {
            return data[index+AssetManager.STYLE_DATA];
        }

        throw new UnsupportedOperationException("Can't convert to integer: type=0x"
                + Integer.toHexString(type));
    }

    /**
     * Retrieve a dimensional unit attribute at <var>index.  Unit 
     * conversions are based on the current {@link DisplayMetrics} 
     * associated with the resources this {@link TypedArray} object 
     * came from. 
     * 
     * @param index Index of attribute to retrieve.
     * @param defValue Value to return if the attribute is not defined or
     *                 not a resource.
     * 
     * @return Attribute dimension value multiplied by the appropriate 
     * metric, or defValue if not defined.
     * 
     * @see #getDimensionPixelOffset
     * @see #getDimensionPixelSize
     */
    public float getDimension(int index, float defValue) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type == TypedValue.TYPE_NULL) {
            return defValue;
        } else if (type == TypedValue.TYPE_DIMENSION) {
            return TypedValue.complexToDimension(
                data[index+AssetManager.STYLE_DATA], mResources.mMetrics);
        }

        throw new UnsupportedOperationException("Can't convert to dimension: type=0x"
                + Integer.toHexString(type));
    }

    /**
     * Retrieve a dimensional unit attribute at <var>index for use
     * as an offset in raw pixels.  This is the same as
     * {@link #getDimension}, except the returned value is converted to
     * integer pixels for you.  An offset conversion involves simply
     * truncating the base value to an integer.
     * 
     * @param index Index of attribute to retrieve.
     * @param defValue Value to return if the attribute is not defined or
     *                 not a resource.
     * 
     * @return Attribute dimension value multiplied by the appropriate 
     * metric and truncated to integer pixels, or defValue if not defined.
     * 
     * @see #getDimension
     * @see #getDimensionPixelSize
     */
    public int getDimensionPixelOffset(int index, int defValue) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type == TypedValue.TYPE_NULL) {
            return defValue;
        } else if (type == TypedValue.TYPE_DIMENSION) {
            return TypedValue.complexToDimensionPixelOffset(
                data[index+AssetManager.STYLE_DATA], mResources.mMetrics);
        }

        throw new UnsupportedOperationException("Can't convert to dimension: type=0x"
                + Integer.toHexString(type));
    }

    /**
     * Retrieve a dimensional unit attribute at <var>index for use
     * as a size in raw pixels.  This is the same as
     * {@link #getDimension}, except the returned value is converted to
     * integer pixels for use as a size.  A size conversion involves
     * rounding the base value, and ensuring that a non-zero base value
     * is at least one pixel in size.
     * 
     * @param index Index of attribute to retrieve.
     * @param defValue Value to return if the attribute is not defined or
     *                 not a resource.
     * 
     * @return Attribute dimension value multiplied by the appropriate 
     * metric and truncated to integer pixels, or defValue if not defined.
     *  
     * @see #getDimension
     * @see #getDimensionPixelOffset
     */
    public int getDimensionPixelSize(int index, int defValue) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type == TypedValue.TYPE_NULL) {
            return defValue;
        } else if (type == TypedValue.TYPE_DIMENSION) {
            return TypedValue.complexToDimensionPixelSize(
                data[index+AssetManager.STYLE_DATA], mResources.mMetrics);
        }

        throw new UnsupportedOperationException("Can't convert to dimension: type=0x"
                + Integer.toHexString(type));
    }

    /**
     * Special version of {@link #getDimensionPixelSize} for retrieving
     * {@link android.view.ViewGroup}'s layout_width and layout_height
     * attributes.  This is only here for performance reasons; applications
     * should use {@link #getDimensionPixelSize}.
     * 
     * @param index Index of the attribute to retrieve.
     * @param name Textual name of attribute for error reporting.
     * 
     * @return Attribute dimension value multiplied by the appropriate 
     * metric and truncated to integer pixels.
     */
    public int getLayoutDimension(int index, String name) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type >= TypedValue.TYPE_FIRST_INT
                && type <= TypedValue.TYPE_LAST_INT) {
            return data[index+AssetManager.STYLE_DATA];
        } else if (type == TypedValue.TYPE_DIMENSION) {
            return TypedValue.complexToDimensionPixelSize(
                data[index+AssetManager.STYLE_DATA], mResources.mMetrics);
        }

        throw new RuntimeException(getPositionDescription()
                + ": You must supply a " + name + " attribute.");
    }
    
    /**
     * Special version of {@link #getDimensionPixelSize} for retrieving
     * {@link android.view.ViewGroup}'s layout_width and layout_height
     * attributes.  This is only here for performance reasons; applications
     * should use {@link #getDimensionPixelSize}.
     * 
     * @param index Index of the attribute to retrieve.
     * @param defValue The default value to return if this attribute is not
     * default or contains the wrong type of data.
     * 
     * @return Attribute dimension value multiplied by the appropriate 
     * metric and truncated to integer pixels.
     */
    public int getLayoutDimension(int index, int defValue) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type >= TypedValue.TYPE_FIRST_INT
                && type <= TypedValue.TYPE_LAST_INT) {
            return data[index+AssetManager.STYLE_DATA];
        } else if (type == TypedValue.TYPE_DIMENSION) {
            return TypedValue.complexToDimensionPixelSize(
                data[index+AssetManager.STYLE_DATA], mResources.mMetrics);
        }

        return defValue;
    }

    /**
     * Retrieve a fractional unit attribute at <var>index.
     * 
     * @param index Index of attribute to retrieve. 
     * @param base The base value of this fraction.  In other words, a 
     *             standard fraction is multiplied by this value.
     * @param pbase The parent base value of this fraction.  In other 
     *             words, a parent fraction (nn%p) is multiplied by this
     *             value.
     * @param defValue Value to return if the attribute is not defined or
     *                 not a resource.
     * 
     * @return Attribute fractional value multiplied by the appropriate 
     * base value, or defValue if not defined. 
     */
    public float getFraction(int index, int base, int pbase, float defValue) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type == TypedValue.TYPE_NULL) {
            return defValue;
        } else if (type == TypedValue.TYPE_FRACTION) {
            return TypedValue.complexToFraction(
                data[index+AssetManager.STYLE_DATA], base, pbase);
        }

        throw new UnsupportedOperationException("Can't convert to fraction: type=0x"
                + Integer.toHexString(type));
    }

    /**
     * Retrieve the resource identifier for the attribute at
     * <var>index.  Note that attribute resource as resolved when 
     * the overall {@link TypedArray} object is retrieved.  As a 
     * result, this function will return the resource identifier of the 
     * final resource value that was found, <em>not necessarily the 
     * original resource that was specified by the attribute. 
     * 
     * @param index Index of attribute to retrieve.
     * @param defValue Value to return if the attribute is not defined or
     *                 not a resource.
     * 
     * @return Attribute resource identifier, or defValue if not defined.
     */
    public int getResourceId(int index, int defValue) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        if (data[index+AssetManager.STYLE_TYPE] != TypedValue.TYPE_NULL) {
            final int resid = data[index+AssetManager.STYLE_RESOURCE_ID];
            if (resid != 0) {
                return resid;
            }
        }
        return defValue;
    }

    /**
     * Retrieve the Drawable for the attribute at <var>index.  This
     * gets the resource ID of the selected attribute, and uses
     * {@link Resources#getDrawable Resources.getDrawable} of the owning
     * Resources object to retrieve its Drawable.
     * 
     * @param index Index of attribute to retrieve.
     * 
     * @return Drawable for the attribute, or null if not defined.
     */
    public Drawable getDrawable(int index) {
        final TypedValue value = mValue;
        if (getValueAt(index*AssetManager.STYLE_NUM_ENTRIES, value)) {
            if (false) {
                System.out.println("******************************************************************");
                System.out.println("Got drawable resource: type="
                                   + value.type
                                   + " str=" + value.string
                                   + " int=0x" + Integer.toHexString(value.data)
                                   + " cookie=" + value.assetCookie);
                System.out.println("******************************************************************");
            }
            return mResources.loadDrawable(value, value.resourceId);
        }
        return null;
    }

    /**
     * Retrieve the CharSequence[] for the attribute at <var>index.
     * This gets the resource ID of the selected attribute, and uses
     * {@link Resources#getTextArray Resources.getTextArray} of the owning
     * Resources object to retrieve its String[].
     * 
     * @param index Index of attribute to retrieve.
     * 
     * @return CharSequence[] for the attribute, or null if not defined.
     */
    public CharSequence[] getTextArray(int index) {
        final TypedValue value = mValue;
        if (getValueAt(index*AssetManager.STYLE_NUM_ENTRIES, value)) {
            if (false) {
                System.out.println("******************************************************************");
                System.out.println("Got drawable resource: type="
                                   + value.type
                                   + " str=" + value.string
                                   + " int=0x" + Integer.toHexString(value.data)
                                   + " cookie=" + value.assetCookie);
                System.out.println("******************************************************************");
            }
            return mResources.getTextArray(value.resourceId);
        }
        return null;
    }

    /**
     * Retrieve the raw TypedValue for the attribute at <var>index.
     * 
     * @param index Index of attribute to retrieve.
     * @param outValue TypedValue object in which to place the attribute's
     *                 data.
     * 
     * @return Returns true if the value was retrieved, else false. 
     */
    public boolean getValue(int index, TypedValue outValue) {
        return getValueAt(index*AssetManager.STYLE_NUM_ENTRIES, outValue);
    }

    /**
     * Determines whether there is an attribute at <var>index.
     * 
     * @param index Index of attribute to retrieve.
     * 
     * @return True if the attribute has a value, false otherwise.
     */
    public boolean hasValue(int index) {
        index *= AssetManager.STYLE_NUM_ENTRIES;
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        return type != TypedValue.TYPE_NULL;
    }
    
    /**
     * Retrieve the raw TypedValue for the attribute at <var>index 
     * and return a temporary object holding its data.  This object is only 
     * valid until the next call on to {@link TypedArray}. 
     * 
     * @param index Index of attribute to retrieve.
     * 
     * @return Returns a TypedValue object if the attribute is defined, 
     *         containing its data; otherwise returns null.  (You will not
     *         receive a TypedValue whose type is TYPE_NULL.)
     */
    public TypedValue peekValue(int index) {
        final TypedValue value = mValue;
        if (getValueAt(index*AssetManager.STYLE_NUM_ENTRIES, value)) {
            return value;
        }
        return null;
    }

    /**
     * Returns a message about the parser state suitable for printing error messages.
     */
    public String getPositionDescription() {
        return mXml != null ? mXml.getPositionDescription() : "<internal>";
    }

    /**
     * Give back a previously retrieved StyledAttributes, for later re-use.
     */
    public void recycle() {
        synchronized (mResources.mTmpValue) {
            TypedArray cached = mResources.mCachedStyledAttributes;
            if (cached == null || cached.mData.length < mData.length) {
                mXml = null;
                mResources.mCachedStyledAttributes = this;
            }
        }
    }

    private boolean getValueAt(int index, TypedValue outValue) {
        final int[] data = mData;
        final int type = data[index+AssetManager.STYLE_TYPE];
        if (type == TypedValue.TYPE_NULL) {
            return false;
        }
        outValue.type = type;
        outValue.data = data[index+AssetManager.STYLE_DATA];
        outValue.assetCookie = data[index+AssetManager.STYLE_ASSET_COOKIE];
        outValue.resourceId = data[index+AssetManager.STYLE_RESOURCE_ID];
        outValue.changingConfigurations = data[index+AssetManager.STYLE_CHANGING_CONFIGURATIONS];
        outValue.density = data[index+AssetManager.STYLE_DENSITY];
        if (type == TypedValue.TYPE_STRING) {
            outValue.string = loadStringValueAt(index);
        }
        return true;
    }

    private CharSequence loadStringValueAt(int index) {
        final int[] data = mData;
        final int cookie = data[index+AssetManager.STYLE_ASSET_COOKIE];
        if (cookie < 0) {
            if (mXml != null) {
                return mXml.getPooledString(
                    data[index+AssetManager.STYLE_DATA]);
            }
            return null;
        }
        //System.out.println("Getting pooled from: " + v);
        return mResources.mAssets.getPooledString(
            cookie, data[index+AssetManager.STYLE_DATA]);
    }

    /*package*/ TypedArray(Resources resources, int[] data, int[] indices, int len) {
        mResources = resources;
        mData = data;
        mIndices = indices;
        mLength = len;
    }

    public String toString() {
        return Arrays.toString(mData);
    }
}

Other Android examples (source code examples)

Here is a short list of links related to this Android TypedArray.java source code file:

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