Android Open Source - android_module_slide Slide Animation Then Call Layout

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License

The source code is released under:

Apache License

Java Source Code

/*
 * #%L/*from   w w w . j a va2 s .  c  om*/
 * SlidingMenuDemo
 * $Id:$
 * $HeadURL:$
 * %%
 * Copyright (C) 2012 Paul Grime
 * %%
 * 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.
 * #L%
 */
package com.mi.core.slidingmenu;

import com.mi.core.slidingmenu.R;

import java.util.Date;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.TranslateAnimation;
import android.widget.ListView;

/**
 * This demo flickers when the call to app.layout() is made.
 * 
 * Not sure how to remove this flicker.
 */
public class SlideAnimationThenCallLayout extends Activity implements AnimationListener {
    View menu;
    View app;
    boolean menuOut = false;
    AnimParams animParams = new AnimParams();

    class ClickListener implements OnClickListener {
        @Override
        public void onClick(View v) {
            System.out.println("onClick " + new Date());
            SlideAnimationThenCallLayout me = SlideAnimationThenCallLayout.this;
            Context context = me;
            Animation anim;

            int w = app.getMeasuredWidth();
            int h = app.getMeasuredHeight();
            int left = (int) (app.getMeasuredWidth() * 0.8);

            if (!menuOut) {
                // anim = AnimationUtils.loadAnimation(context, R.anim.push_right_out_80);
                anim = new TranslateAnimation(0, left, 0, 0);
                menu.setVisibility(View.VISIBLE);
                animParams.init(left, 0, left + w, h);
            } else {
                // anim = AnimationUtils.loadAnimation(context, R.anim.push_left_in_80);
                anim = new TranslateAnimation(0, -left, 0, 0);
                animParams.init(0, 0, w, h);
            }

            anim.setDuration(500);
            anim.setAnimationListener(me);

            // Only use fillEnabled and fillAfter if we don't call layout ourselves.
            // We need to do the layout ourselves and not use fillEnabled and fillAfter because when the anim is finished
            // although the View appears to have moved, it is actually just a drawing effect and the View hasn't moved.
            // Therefore clicking on the screen where the button appears does not work, but clicking where the View *was* does
            // work.
            // anim.setFillEnabled(true);
            // anim.setFillAfter(true);

            app.startAnimation(anim);
        }
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.slide_animation_then_call_layout);

        menu = findViewById(R.id.menu);
        app = findViewById(R.id.app);

        ViewUtils.printView("menu", menu);
        ViewUtils.printView("app", app);

        ListView listView = (ListView) app.findViewById(R.id.list);
        ViewUtils.initListView(this, listView, "Item ", 30, android.R.layout.simple_list_item_1);

        app.findViewById(R.id.BtnSlide).setOnClickListener(new ClickListener());
    }

    void layoutApp(boolean menuOut) {
        System.out.println("layout [" + animParams.left + "," + animParams.top + "," + animParams.right + ","
                + animParams.bottom + "]");
        app.layout(animParams.left, animParams.top, animParams.right, animParams.bottom);
    }

    @Override
    public void onAnimationEnd(Animation animation) {
        System.out.println("onAnimationEnd");
        ViewUtils.printView("menu", menu);
        ViewUtils.printView("app", app);
        menuOut = !menuOut;
        if (!menuOut) {
            menu.setVisibility(View.INVISIBLE);
        }
        layoutApp(menuOut);
    }

    @Override
    public void onAnimationRepeat(Animation animation) {
        System.out.println("onAnimationRepeat");
    }

    @Override
    public void onAnimationStart(Animation animation) {
        System.out.println("onAnimationStart");
    }

    static class AnimParams {
        int left, right, top, bottom;

        void init(int left, int top, int right, int bottom) {
            this.left = left;
            this.top = top;
            this.right = right;
            this.bottom = bottom;
        }
    }
}

Java Source Code List

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