Main.java Source code

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//package com.java2s;
/*
 * 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.
 */

import android.content.Context;

import android.util.AttributeSet;
import android.util.Xml;

import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;

import android.view.animation.RotateAnimation;
import android.view.animation.ScaleAnimation;
import android.view.animation.TranslateAnimation;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;

public class Main {
    private static Animation createAnimationFromXml(Context c, XmlPullParser parser)
            throws XmlPullParserException, IOException {

        return createAnimationFromXml(c, parser, null, Xml.asAttributeSet(parser));
    }

    @SuppressWarnings("IfCanBeSwitch")
    private static Animation createAnimationFromXml(Context c, XmlPullParser parser, AnimationSet parent,
            AttributeSet attrs) throws XmlPullParserException, IOException {

        Animation anim = null;

        // Make sure we are on a start tag.
        int type;
        int depth = parser.getDepth();

        while (((type = parser.next()) != XmlPullParser.END_TAG || parser.getDepth() > depth)
                && type != XmlPullParser.END_DOCUMENT) {

            if (type != XmlPullParser.START_TAG) {
                continue;
            }

            String name = parser.getName();

            if (name.equals("set")) {
                anim = new AnimationSet(c, attrs);
                createAnimationFromXml(c, parser, (AnimationSet) anim, attrs);
            } else if (name.equals("alpha")) {
                anim = new AlphaAnimation(c, attrs);
            } else if (name.equals("scale")) {
                anim = new ScaleAnimation(c, attrs);
            } else if (name.equals("rotate")) {
                anim = new RotateAnimation(c, attrs);
            } else if (name.equals("translate")) {
                anim = new TranslateAnimation(c, attrs);
            } else {
                throw new RuntimeException("Unknown animation name: " + parser.getName());
            }

            if (parent != null) {
                parent.addAnimation(anim);
            }
        }

        return anim;

    }
}