水波纹效果实现

水波纹效果实现

先看下效果图：
[img]

[/img]

点击图片后效果：
[img]

[/img]

工程结构图：
[img]

[/img]

AnimActivity:

/*
 * Copyright (C) 2010 Zhang YangJing
 * 
 * [e-mail]
 * 
 */

package com.example.plasma;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;


public class AnimActivity extends Activity {
	@Override
    public void onCreate(Bundle savedInstanceState){
		super.onCreate(savedInstanceState);
		setContentView(new PlasmaView(this));
	}
}

class PlasmaView extends View implements View.OnTouchListener{	
	private Bitmap mBitmap;
	long time;
	long fps;

    public PlasmaView(Context context) {
        super(context);        
        Bitmap bmp = BitmapFactory.decodeResource(this.getResources(),R.drawable.mm);
        mBitmap = Bitmap.createBitmap(bmp.getWidth(), bmp.getHeight(), Bitmap.Config.RGB_565);
        AnimRender.setBitmap(bmp);
        this.setOnTouchListener(this);
    }

    @Override 
    protected void onDraw(Canvas canvas) {
    	long ct = System.currentTimeMillis();
    	if(ct - time > 1000){
    		Log.v("Fps:" + String.valueOf(fps));
    		time = ct;
    		fps = 0;
    	}
    	//fps++;
    	fps += 20;
    	
        AnimRender.render(mBitmap);    	
        canvas.drawBitmap(mBitmap, 0, 0, null);
        postInvalidate();
    }

	@Override
	public boolean onTouch(View v, MotionEvent event) {
		// TODO Auto-generated method stub
		AnimRender.drop((int)event.getX(), (int)event.getY(), 1200);
		return false;
	}
}

class AnimRender{
	public static native void setBitmap(Bitmap src);
    public static native void render(Bitmap dst);
    public static native void drop(int x, int y, int height);
   
    static {
        System.loadLibrary("plasma");
    }
}

log

package com.example.plasma;

import android.util.Config;

public class Log {
	public final static String LOGTAG = "ad";

	private static final boolean DEBUG = true;
	//private static final boolean DEBUG = false;
	static final boolean LOGV = DEBUG ? Config.LOGD : Config.LOGV;

	public static void v(String msg) {
		if (LOGV) {
			android.util.Log.v(LOGTAG, msg);
		}
	}

	public static void e(String msg) {
		android.util.Log.e(LOGTAG, msg);
	}
	
	public static void d(String msg) {
		android.util.Log.d(LOGTAG, msg);
	}
}

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<cn.zyj.water.AnimSurface
 	android:id="@+id/surfaceview"	
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent"
    />
</LinearLayout>

配置文件：

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.example.plasma"
      android:versionCode="1"
      android:versionName="1.0">
    <application android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:name=".AnimActivity"
        		  android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
                  android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

    </application>

	<uses-sdk android:minSdkVersion="4"/>
</manifest> 

评论

1 楼 fenfatuqiangzhong 2012-07-30  

兄弟，我运行了你的代码之后，发现图片显示失真了，我现在也在研究水波纹，希望可以不吝指导！