Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.RotateAnimation;

public class Main {
    private static boolean mNeedShake = true;
    private static final int ICON_WIDTH = 80;
    private static final int ICON_HEIGHT = 94;
    private static final float DEGREE_0 = 1.8f;
    private static final float DEGREE_1 = -2.0f;
    private static final float DEGREE_2 = 2.0f;
    private static final float DEGREE_3 = -1.5f;
    private static final float DEGREE_4 = 1.5f;
    private static final int ANIMATION_DURATION = 80;
    private static int mCount = 0;
    static float mDensity;

    public static void shakeAnimation(final View v) {
        float rotate = 0;
        int c = mCount++ % 5;
        if (c == 0) {
            rotate = DEGREE_0;
        } else if (c == 1) {
            rotate = DEGREE_1;
        } else if (c == 2) {
            rotate = DEGREE_2;
        } else if (c == 3) {
            rotate = DEGREE_3;
        } else {
            rotate = DEGREE_4;
        }
        final RotateAnimation mra = new RotateAnimation(rotate, -rotate, ICON_WIDTH * mDensity / 2,
                ICON_HEIGHT * mDensity / 2);
        final RotateAnimation mrb = new RotateAnimation(-rotate, rotate, ICON_WIDTH * mDensity / 2,
                ICON_HEIGHT * mDensity / 2);

        mra.setDuration(ANIMATION_DURATION);
        mrb.setDuration(ANIMATION_DURATION);

        mra.setAnimationListener(new AnimationListener() {
            @Override
            public void onAnimationEnd(Animation animation) {
                if (mNeedShake) {
                    mra.reset();
                    v.startAnimation(mrb);
                }
            }

            @Override
            public void onAnimationRepeat(Animation animation) {

            }

            @Override
            public void onAnimationStart(Animation animation) {

            }

        });

        mrb.setAnimationListener(new AnimationListener() {
            @Override
            public void onAnimationEnd(Animation animation) {
                if (mNeedShake) {
                    mrb.reset();
                    v.startAnimation(mra);
                }
            }

            @Override
            public void onAnimationRepeat(Animation animation) {

            }

            @Override
            public void onAnimationStart(Animation animation) {

            }

        });
        v.startAnimation(mra);
    }
}