摘要：<?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_pressed="true" android:drawable="@drawable/camera3" /> <item android:state_pressed="false" 阅读全文

摘要：Button的位置摆放和各种控件位置摆放, 用table来完成<TableLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@+id/MainScreenTable" android:background="@drawable/splashblank&qu 阅读全文

摘要：paint控件如何初始化 阅读全文

摘要：捕获返回键，弹出是否确定返回应用MainMenu的对话框public boolean onKeyDown(int keyCode, KeyEvent event) { if(keyCode == KeyEvent.KEYCODE_BACK){ new AlertDialog.Builder(this) .setIcon(R.drawable.icon) .setTitle(R.string.app_name) .setMessage(R.string.quit_desc) .setNegativeBu... 阅读全文

摘要：实现功能: 有两个Activity，一个为MainMenu，一个为PictureScribble，MainMenu进入PictureScribble后，在PictureScribble中单击返回键返回MainMenus.public boolean OnKeyDown(int keyCode,KeyEvent event){ if (keyCode==KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) { Intent myIntent; myIntent = new Intent(Pi... 阅读全文