用手指随便拖。这里采用了线程去绘制,其实也可以在onTouch中绘制。
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Point;
import android.graphics.Rect;
import android.graphics.Region;
import android.util.Log;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnTouchListener;
import com.ql.app.R;
public class AppView extends SurfaceView implements SurfaceHolder.Callback,Runnable,OnTouchListener{
private static final String tag="AppView";
private Context context;
private SurfaceHolder holder;
private Bitmap icon;
private Paint paint;
private boolean running=true;
public AppView(Context context) {
super(context);
// TODO Auto-generated constructor stub
this.context=context;
holder = this.getHolder();//获取holder
holder.addCallback(this);
this.setOnTouchListener(this);
}
private void init(){
}
private void close(){
}
private void logic(){
}
private void draw(){
Canvas canvas = holder.lockCanvas();//获取画布
canvas.drawColor(Color.BLACK);
canvas.drawBitmap(icon, rect.left,rect.top,null);
holder.unlockCanvasAndPost(canvas);// 解锁画布,提交画好的图像
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
// TODO Auto-generated method stub
Log.i(tag, "=================surfaceCreated======================");
icon =getImage(context,R.drawable.icon);
rect=new Rect(0,0,icon.getWidth(),icon.getHeight());//图片的rect
paint=new Paint();
running=true;
new Thread(this).start();
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
// TODO Auto-generated method stub
Log.i(tag, "=================surfaceDestroyed======================");
running=false;
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width,
int height) {
// TODO Auto-generated method stub
Log.i(tag, "=================surfaceChanged======================");
}
@Override
public void run() {
// TODO Auto-generated method stub
int SLEEP_TIME=100;
while (running) {
long start=System.currentTimeMillis();
logic();
draw();
long end=System.currentTimeMillis();
if(end-start<SLEEP_TIME){
try {
Thread.sleep(SLEEP_TIME-(end-start));
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
// Region region=new Region();
private Point point=new Point();//点击点
private Rect rect;//图片的rect
private boolean canDrag=false;//判断是否点击在图片上,否则拖动无效
private int offsetX=0,offsetY=0;//点击点离图片左上角的距离
@Override
public boolean onTouch(View v, MotionEvent event) {
// TODO Auto-generated method stub
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
point.x=(int)event.getX();
point.y=(int)event.getY();
if(rect.contains(point.x, point.y)){
canDrag=true;
offsetX=point.x-rect.left;
offsetY=point.y-rect.top;
}
break;
case MotionEvent.ACTION_MOVE:
if(canDrag){
rect.left=(int)event.getX()-offsetX;
rect.top=(int)event.getY()-offsetY;
rect.right=rect.left+icon.getWidth();
rect.bottom=rect.top+icon.getHeight();
if (rect.left < 0) {
rect.left = 0;
rect.right = rect.left+icon.getWidth();
}
if (rect.right > getMeasuredWidth()) {
rect.right = getMeasuredWidth();
rect.left = rect.right-icon.getWidth();
}
if (rect.top < 0) {
rect.top = 0;
rect.bottom = rect.top+icon.getHeight();
}
if (rect.bottom > getMeasuredHeight()) {
rect.bottom = getMeasuredHeight();
rect.top = rect.bottom-icon.getHeight();
}
}
break;
case MotionEvent.ACTION_UP:
canDrag=false;
break;
default:
break;
}
return true;
}
//****************************************************************************
public static final Bitmap getImage(Context context, int imageId) {
return BitmapFactory.decodeResource(context.getResources(),imageId);
}
}
//在Activity中调用:
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
AppView view=new AppView(this);
setContentView(view);
}
这个主要是根据通知自定义布局开显示的
只需要在示例1中把
PendingIntent pi = PendingIntent.getActivity(MainActivity.this,R.string.app_name,
intent, PendingIntent.FLAG_UPDATE_CURRENT);
n.setLatestEventInfo(MainActivity.this, "有急事", "请您马上到办公司开会", pi);
mn.notify(R.string.app_name, n);
替换成
PendingIntent pi = PendingIntent.getActivity(MainActivity.this,R.string.app_name,
intent, PendingIntent.FLAG_UPDATE_CURRENT);
RemoteViews rv = new RemoteViews(MainActivity.this.getPackageName(),R.layout.notification_view);
rv.setImageViewResource(R.id.image, R.drawable.icon);
rv.setTextViewText(R.id.text, "嗨,美女,你好啊");
n.contentView =rv;
n.contentIntent=pi;
mn.notify(R.string.app_name, n);
即可实现两者的效果,
主要区别,示例1是系统自动显示的,示例2是可以自己布局显示
然后配置notification_view.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content" android:layout_height="wrap_content">
<TextView android:id="@+id/text" android:layout_width="fill_parent"
android:layout_height="wrap_content" />
<ImageView android:id="@+id/image" android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
Android NDK r6b
Windows
http://dl.google.com/android/ndk/android-ndk-r6b-windows.zip
Mac OS X(intel)
http://dl.google.com/android/ndk/android-ndk-r6b-darwin-x86.tar.bz2
Linux
http://dl.google.com/android/ndk/android-ndk-r6b-linux-x86.tar.bz2
Android SDK 3.2
Windows
http://dl.google.com/android/android-sdk_r12-windows.zip
http://dl.google.com/android/installer_r12-windows.exe
Mac OS X (intel)
http://dl.google.com/android/android-sdk_r12-mac_x86.zip
Linux(i386)
http://dl.google.com/android/android-sdk_r12-linux_x86.tgz
Android NDK r6
Windows
http://dl.google.com/android/ndk/android-ndk-r6-windows.zip
Mac OS X(intel)
http://dl.google.com/android/ndk/android-ndk-r6-darwin-x86.tar.bz2
Linux 32/64-bit (x86)
http://dl.google.com/android/ndk/android-ndk-r6-linux-x86.tar.bz2
Android SDK 3.1
Windows
http://dl.google.com/android/android-sdk_r11-windows.zip
http://dl.google.com/android/installer_r11-windows.exe
Mac OS X(intel)
http://dl.google.com/android/android-sdk_r11-mac_x86.zip
Linux(i386)
http://dl.google.com/android/android-sdk_r11-linux_x86.tgz
Android NDK r5b
Windows
http://dl.google.com/android/ndk/android-ndk-r5b-windows.zip
Mac OS X(intel)
http://dl.google.com/android/ndk/android-ndk-r5b-darwin-x86.tar.bz2
Linux
http://dl.google.com/android/ndk/android-ndk-r5b-linux-x86.tar.bz2
Android SDK 3.0
Windows
http://dl.google.com/android/installer_r10-windows.exe
http://dl.google.com/android/android-sdk_r10-windows.zip
Mac OS X(intel)
http://dl.google.com/android/android-sdk_r10-mac_x86.zip
Linux(i386)
http://dl.google.com/android/android-sdk_r10-linux_x86.tgz
Android SDK 2.3
Windows
http://dl.google.com/android/android-sdk_r08-windows.zip
http://dl.google.com/android/installer_r08-windows.exe
Linux (i386)
http://dl.google.com/android/android-sdk_r08-linux_86.tgz
MAC OS X (intel)
http://dl.google.com/android/android-sdk_r08-mac_86.zip
Android NDK r5
Windows
http://dl.google.com/android/ndk/android-ndk-r5-windows.zip
Mac OS X (intel) r5
http://dl.google.com/android/ndk/android-ndk-r5-darwin-x86.tar.bz2
Linux 32/64-bit (x86) r5
http://dl.google.com/android/ndk/android-ndk-r5-linux-x86.tar.bz2