一个全屏显示的Android注册界面示例

/** * download by http://www.codefans.net */ package com.himi; import android.content.Context; import android.content.Intent; import android.content.res.Resources; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.util.Log; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.LayoutInflater.Factory; import android.view.SurfaceHolder.Callback; /** * @author Himi * */ public class MySurfaceView extends SurfaceView implements Callback, Runnable { private SurfaceHolder sh; private Thread th; private Paint paint; private Canvas canvas; private Resources res; private Bitmap bp; private Bitmap bp_backGround; private int ScreenH, ScreenW; private boolean flag; public static String str_zh = "Himi"; public static String str_pass = "Android进阶群:109367315"; private int bp_x, bp_y; private boolean flag_zh = true; public MySurfaceView(Context context) { super(context); res = this.getResources(); bp = BitmapFactory.decodeResource(res, R.drawable.register); bp_backGround = BitmapFactory.decodeResource(res, R.drawable.duola); th = new Thread(this); sh = this.getHolder(); sh.addCallback(this); paint = new Paint(); paint.setColor(Color.RED); paint.setAntiAlias(true); this.setKeepScreenOn(true); this.setFocusable(true); } public void surfaceCreated(SurfaceHolder holder) { ScreenW = this.getWidth(); ScreenH = this.getHeight(); bp_x = ScreenW / 2 - bp.getWidth() / 2; bp_y = ScreenH / 2 - bp.getHeight() / 2; th.start(); } public void draw() { canvas = sh.lockCanvas(); paint.setColor(Color.RED); if (canvas != null) {// 当点击home键 或者返回按键的时候canvas是得不到的，这里要注意 canvas.drawColor(Color.WHITE); canvas.drawBitmap(bp_backGround, -(bp_backGround.getWidth() - ScreenW), -(bp_backGround .getHeight() - ScreenH), paint); canvas.drawBitmap(bp, bp_x, bp_y, paint); canvas.drawText(str_zh, bp_x + 20, bp_y + 43 + 15, paint); String temp_pass = ""; int temp_passLength = 0; temp_passLength = str_pass.toCharArray().length; if (temp_passLength > 15) { temp_passLength = 15; } for (int i = 0; i < temp_passLength; i++) { temp_pass += "*"; } canvas.drawText(temp_pass, bp_x + 21, bp_y + 79 + 15, paint); paint.setColor(Color.YELLOW); if (flag_zh) { canvas.drawCircle(bp_x + 23, bp_y + 113, 4, paint); } sh.unlockCanvasAndPost(canvas); } } @Override public boolean onTouchEvent(MotionEvent event) { float pointx = event.getX(); float pointy = event.getY(); if (pointx > bp_x + 14 && pointx < bp_x + 14 + 117) { if (pointy > bp_y + 43 && pointy < bp_y + 43 + 15) { // 帐号 Intent i = new Intent(); i.putExtra("count", 1); i.putExtra("himi", str_zh); i.setClass(MainActivity.instance, Register.class); MainActivity.instance.startActivity(i); } } if (pointx > bp_x + 14 && pointx < bp_x + 14 + 117) { if (pointy > bp_y + 79 && pointy < bp_y + 79 + 15) { // 密码 Intent i = new Intent(); i.putExtra("count", 2); i.putExtra("himi", str_pass); i.setClass(MainActivity.instance, Register.class); MainActivity.instance.startActivity(i); } } if (pointx > bp_x + 42 && pointx < bp_x + 42 + 60) { if (pointy > bp_y + 123 && pointy < bp_y + 123 + 24) { // 登录信息 Intent i = new Intent(); i.putExtra("count", 3); i.putExtra("himi_zh", str_zh); i.putExtra("himi_pass", str_pass); i.setClass(MainActivity.instance, Register.class); MainActivity.instance.startActivity(i); } } if (pointx > bp_x + 15 && pointx < bp_x + 15 + 15) { if (pointy > bp_y + 104 && pointy < bp_y + 104 + 15) { // 记住帐号 flag_zh = !flag_zh; } } if (pointx > bp_x + 120 && pointx < bp_x + 120 + 22) { if (pointy > bp_y + 5 && pointy < bp_y + 5 + 22) { // 退出 try { MainActivity.instance.finish(); android.os.Process.killProcess(android.os.Process.myPid()); MainActivity.instance = null; } catch (Throwable e) { // TODO Auto-generated catch block e.printStackTrace(); } } } return super.onTouchEvent(event); } public void run() { while (!flag) { draw(); try { Thread.sleep(100); } catch (Exception ex) { Log.v("Run", "Error"); } } } public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { } public void surfaceDestroyed(SurfaceHolder holder) { // TODO Auto-generated method stub } }