Examples with TypedValue android.util.TypedValue used on opensource projects

Example 41 with TypedValue

use of android.util.TypedValue in project XobotOS by xamarin.

the class BitmapFactory method decodeResource.

/**
     * Synonym for opening the given resource and calling
     * {@link #decodeResourceStream}.
     *
     * @param res   The resources object containing the image data
     * @param id The resource id of the image data
     * @param opts null-ok; Options that control downsampling and whether the
     *             image should be completely decoded, or just is size returned.
     * @return The decoded bitmap, or null if the image data could not be
     *         decoded, or, if opts is non-null, if opts requested only the
     *         size be returned (in opts.outWidth and opts.outHeight)
     */
public static Bitmap decodeResource(Resources res, int id, Options opts) {
    Bitmap bm = null;
    InputStream is = null;
    try {
        final TypedValue value = new TypedValue();
        is = res.openRawResource(id, value);
        bm = decodeResourceStream(res, value, is, null, opts);
    } catch (Exception e) {
    /*  do nothing.
                If the exception happened on open, bm will be null.
                If it happened on close, bm is still valid.
            */
    } finally {
        try {
            if (is != null)
                is.close();
        } catch (IOException e) {
        // Ignore
        }
    }
    if (bm == null && opts != null && opts.inBitmap != null) {
        throw new IllegalArgumentException("Problem decoding into existing bitmap");
    }
    return bm;
}

Example 42 with TypedValue

use of android.util.TypedValue in project XobotOS by xamarin.

the class RotateDrawable method inflate.

@Override
public void inflate(Resources r, XmlPullParser parser, AttributeSet attrs) throws XmlPullParserException, IOException {
    TypedArray a = r.obtainAttributes(attrs, com.android.internal.R.styleable.RotateDrawable);
    super.inflateWithAttributes(r, parser, a, com.android.internal.R.styleable.RotateDrawable_visible);
    TypedValue tv = a.peekValue(com.android.internal.R.styleable.RotateDrawable_pivotX);
    boolean pivotXRel;
    float pivotX;
    if (tv == null) {
        pivotXRel = true;
        pivotX = 0.5f;
    } else {
        pivotXRel = tv.type == TypedValue.TYPE_FRACTION;
        pivotX = pivotXRel ? tv.getFraction(1.0f, 1.0f) : tv.getFloat();
    }
    tv = a.peekValue(com.android.internal.R.styleable.RotateDrawable_pivotY);
    boolean pivotYRel;
    float pivotY;
    if (tv == null) {
        pivotYRel = true;
        pivotY = 0.5f;
    } else {
        pivotYRel = tv.type == TypedValue.TYPE_FRACTION;
        pivotY = pivotYRel ? tv.getFraction(1.0f, 1.0f) : tv.getFloat();
    }
    float fromDegrees = a.getFloat(com.android.internal.R.styleable.RotateDrawable_fromDegrees, 0.0f);
    float toDegrees = a.getFloat(com.android.internal.R.styleable.RotateDrawable_toDegrees, 360.0f);
    int res = a.getResourceId(com.android.internal.R.styleable.RotateDrawable_drawable, 0);
    Drawable drawable = null;
    if (res > 0) {
        drawable = r.getDrawable(res);
    }
    a.recycle();
    int outerDepth = parser.getDepth();
    int type;
    while ((type = parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
        if (type != XmlPullParser.START_TAG) {
            continue;
        }
        if ((drawable = Drawable.createFromXmlInner(r, parser, attrs)) == null) {
            Log.w("drawable", "Bad element under <rotate>: " + parser.getName());
        }
    }
    if (drawable == null) {
        Log.w("drawable", "No drawable specified for <rotate>");
    }
    mState.mDrawable = drawable;
    mState.mPivotXRel = pivotXRel;
    mState.mPivotX = pivotX;
    mState.mPivotYRel = pivotYRel;
    mState.mPivotY = pivotY;
    mState.mFromDegrees = mState.mCurrentDegrees = fromDegrees;
    mState.mToDegrees = toDegrees;
    if (drawable != null) {
        drawable.setCallback(this);
    }
}

Example 43 with TypedValue

use of android.util.TypedValue in project XobotOS by xamarin.

the class Resources method getDimensionPixelSize.

/**
     * Retrieve a dimensional for a particular resource ID 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 id The desired resource identifier, as generated by the aapt
     *           tool. This integer encodes the package, type, and resource
     *           entry. The value 0 is an invalid identifier.
     * 
     * @return Resource dimension value multiplied by the appropriate 
     * metric and truncated to integer pixels.
     *  
     * @throws NotFoundException Throws NotFoundException if the given ID does not exist.
     *
     * @see #getDimension
     * @see #getDimensionPixelOffset
     */
public int getDimensionPixelSize(int id) throws NotFoundException {
    synchronized (mTmpValue) {
        TypedValue value = mTmpValue;
        getValue(id, value, true);
        if (value.type == TypedValue.TYPE_DIMENSION) {
            return TypedValue.complexToDimensionPixelSize(value.data, mMetrics);
        }
        throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id) + " type #0x" + Integer.toHexString(value.type) + " is not valid");
    }
}

Example 44 with TypedValue

use of android.util.TypedValue in project XobotOS by xamarin.

the class Resources method parseBundleExtra.

/**
     * Parse a name/value pair out of an XML tag holding that data.  The
     * AttributeSet must be holding the data defined by
     * {@link android.R.styleable#Extra}.  The following value types are supported:
     * <ul>
     * <li> {@link TypedValue#TYPE_STRING}:
     * {@link Bundle#putCharSequence Bundle.putCharSequence()}
     * <li> {@link TypedValue#TYPE_INT_BOOLEAN}:
     * {@link Bundle#putCharSequence Bundle.putBoolean()}
     * <li> {@link TypedValue#TYPE_FIRST_INT}-{@link TypedValue#TYPE_LAST_INT}:
     * {@link Bundle#putCharSequence Bundle.putBoolean()}
     * <li> {@link TypedValue#TYPE_FLOAT}:
     * {@link Bundle#putCharSequence Bundle.putFloat()}
     * </ul>
     * 
     * @param tagName The name of the tag these attributes come from; this is
     * only used for reporting error messages.
     * @param attrs The attributes from which to retrieve the name/value pair.
     * @param outBundle The Bundle in which to place the parsed value.
     * @throws XmlPullParserException If the attributes are not valid.
     */
public void parseBundleExtra(String tagName, AttributeSet attrs, Bundle outBundle) throws XmlPullParserException {
    TypedArray sa = obtainAttributes(attrs, com.android.internal.R.styleable.Extra);
    String name = sa.getString(com.android.internal.R.styleable.Extra_name);
    if (name == null) {
        sa.recycle();
        throw new XmlPullParserException("<" + tagName + "> requires an android:name attribute at " + attrs.getPositionDescription());
    }
    TypedValue v = sa.peekValue(com.android.internal.R.styleable.Extra_value);
    if (v != null) {
        if (v.type == TypedValue.TYPE_STRING) {
            CharSequence cs = v.coerceToString();
            outBundle.putCharSequence(name, cs);
        } else if (v.type == TypedValue.TYPE_INT_BOOLEAN) {
            outBundle.putBoolean(name, v.data != 0);
        } else if (v.type >= TypedValue.TYPE_FIRST_INT && v.type <= TypedValue.TYPE_LAST_INT) {
            outBundle.putInt(name, v.data);
        } else if (v.type == TypedValue.TYPE_FLOAT) {
            outBundle.putFloat(name, v.getFloat());
        } else {
            sa.recycle();
            throw new XmlPullParserException("<" + tagName + "> only supports string, integer, float, color, and boolean at " + attrs.getPositionDescription());
        }
    } else {
        sa.recycle();
        throw new XmlPullParserException("<" + tagName + "> requires an android:value or android:resource attribute at " + attrs.getPositionDescription());
    }
    sa.recycle();
}

Example 45 with TypedValue

use of android.util.TypedValue in project XobotOS by xamarin.

the class Resources method getBoolean.

/**
     * Return a boolean associated with a particular resource ID.  This can be
     * used with any integral resource value, and will return true if it is
     * non-zero.
     *
     * @param id The desired resource identifier, as generated by the aapt
     *           tool. This integer encodes the package, type, and resource
     *           entry. The value 0 is an invalid identifier.
     *
     * @throws NotFoundException Throws NotFoundException if the given ID does not exist.
     *
     * @return Returns the boolean value contained in the resource.
     */
public boolean getBoolean(int id) throws NotFoundException {
    synchronized (mTmpValue) {
        TypedValue value = mTmpValue;
        getValue(id, value, true);
        if (value.type >= TypedValue.TYPE_FIRST_INT && value.type <= TypedValue.TYPE_LAST_INT) {
            return value.data != 0;
        }
        throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id) + " type #0x" + Integer.toHexString(value.type) + " is not valid");
    }
}