Android之仿iphone抖动效果

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >
    
    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/tv0"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv1"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv2"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv3"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
    </LinearLayout>
    
    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/tv4"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv5"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv6"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv7"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
    </LinearLayout>
    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/tv8"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv9"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv10"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv11"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
    </LinearLayout>
    
    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/tv12"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv13"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv14"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv15"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
    </LinearLayout>
    
    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/tv16"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv17"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv18"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
        <TextView
            android:id="@+id/tv19"
            android:layout_width="80dip"
            android:layout_height="94dip"
            android:drawableTop="@drawable/ic_launcher"
            android:text="@string/hello" />
    </LinearLayout>

</LinearLayout>

package com.android.shake;

import android.app.Activity;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.RotateAnimation;
import android.widget.TextView;
import android.view.View;
import android.view.Window;

public class ShakeTestActivity extends Activity implements View.OnClickListener {
    private TextView mtv0;
    private TextView mtv1;
    private TextView mtv2;
    private TextView mtv3;
    private TextView mtv4;
    private TextView mtv5;
    private TextView mtv6;
    private TextView mtv7;
    private TextView mtv8;
    private TextView mtv9;
    private TextView mtv10;
    private TextView mtv11;
    private TextView mtv12;
    private TextView mtv13;
    private TextView mtv14;
    private TextView mtv15;
    private TextView mtv16;
    private TextView mtv17;
    private TextView mtv18;
    private TextView mtv19;

    private boolean mNeedShake = false;
    private boolean mStartShake = false;

    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 int mCount = 0;

    float mDensity;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.main);
        DisplayMetrics dm = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(dm);
        if (dm != null) {
            mDensity = dm.density;
        }
        mtv0 = (TextView) findViewById(R.id.tv0);
        mtv0.setOnClickListener(this);
        mtv1 = (TextView) findViewById(R.id.tv1);
        mtv1.setOnClickListener(this);
        mtv2 = (TextView) findViewById(R.id.tv2);
        mtv2.setOnClickListener(this);
        mtv3 = (TextView) findViewById(R.id.tv3);
        mtv3.setOnClickListener(this);
        mtv4 = (TextView) findViewById(R.id.tv4);
        mtv4.setOnClickListener(this);
        mtv5 = (TextView) findViewById(R.id.tv5);
        mtv5.setOnClickListener(this);
        mtv6 = (TextView) findViewById(R.id.tv6);
        mtv6.setOnClickListener(this);
        mtv7 = (TextView) findViewById(R.id.tv7);
        mtv7.setOnClickListener(this);
        mtv8 = (TextView) findViewById(R.id.tv8);
        mtv8.setOnClickListener(this);
        mtv9 = (TextView) findViewById(R.id.tv9);
        mtv9.setOnClickListener(this);
        mtv10 = (TextView) findViewById(R.id.tv10);
        mtv10.setOnClickListener(this);
        mtv11 = (TextView) findViewById(R.id.tv11);
        mtv11.setOnClickListener(this);
        mtv12 = (TextView) findViewById(R.id.tv12);
        mtv12.setOnClickListener(this);
        mtv13 = (TextView) findViewById(R.id.tv13);
        mtv13.setOnClickListener(this);
        mtv14 = (TextView) findViewById(R.id.tv14);
        mtv14.setOnClickListener(this);
        mtv15 = (TextView) findViewById(R.id.tv15);
        mtv15.setOnClickListener(this);
        mtv16 = (TextView) findViewById(R.id.tv16);
        mtv16.setOnClickListener(this);
        mtv17 = (TextView) findViewById(R.id.tv17);
        mtv17.setOnClickListener(this);
        mtv18 = (TextView) findViewById(R.id.tv18);
        mtv18.setOnClickListener(this);
        mtv19 = (TextView) findViewById(R.id.tv19);
        mtv19.setOnClickListener(this);

    }

    @Override
    public void onClick(View v) {

        if (!mStartShake) {
            mStartShake = true;
            mNeedShake = true;
            shakeAnimation(mtv0);
            shakeAnimation(mtv1);
            shakeAnimation(mtv2);
            shakeAnimation(mtv3);
            shakeAnimation(mtv4);
            shakeAnimation(mtv5);
            shakeAnimation(mtv6);
            shakeAnimation(mtv7);
            shakeAnimation(mtv8);
            shakeAnimation(mtv9);
            shakeAnimation(mtv10);
            shakeAnimation(mtv11);
            shakeAnimation(mtv12);
            shakeAnimation(mtv13);
            shakeAnimation(mtv14);
            shakeAnimation(mtv15);
            shakeAnimation(mtv16);
            shakeAnimation(mtv17);
            shakeAnimation(mtv18);
            shakeAnimation(mtv19);
        }
    }

    private 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);
    }

    @Override
    public void onBackPressed() {
        if (!mNeedShake) {
            super.onBackPressed();
        } else {
            mNeedShake = false;
            mCount = 0;
            mStartShake = false;
        }
    }
}