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JustLoginRegisterTest.zip

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JustLoginRegisterTest/.idea/codeStyles/Project.xml

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JustLoginRegisterTest/.idea/gradle.xml

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JustLoginRegisterTest/.idea/misc.xml

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JustLoginRegisterTest/.idea/runConfigurations.xml

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JustLoginRegisterTest/.idea/vcs.xml

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JustLoginRegisterTest/app/src/main/java/com/example/justloginregistertest/Code.java

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@@ -19,14 +19,14 @@ public class Code {
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* 数字 6 和 字母 b
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* 数字 9 和 字母 q
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* 字母 c C 和 G
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* 字母 t T(经常和随机线混在一起看不清)
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* 字母 t (经常和随机线混在一起看不清)
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*/
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private static final char[] CHARS = {
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'2', '3', '4', '5', '7', '8',
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'a', 'd', 'e', 'f', 'g', 'h', 'j', 'k', 'm',
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'n', 'p', 'r', 's', 'u', 'v', 'w', 'x', 'y', 'z',
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'A', 'B', 'D', 'E', 'F', 'H', 'J', 'K', 'M',
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'N', 'P', 'Q', 'R', 'S', 'U', 'V', 'W', 'X', 'Y', 'Z'
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'N', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'
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};
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private static Code bmpCode;
@@ -87,8 +87,10 @@ public Bitmap createBitmap() {
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for (int i = 0; i < line_number; i++) {
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drawLine(c, paint);
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}
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// c.save( Canvas.ALL_SAVE_FLAG );//保存
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c.save();//保存
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c.restore();
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c.restore();//
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return bp;
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}
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JustLoginRegisterTest/app/src/main/java/com/example/justloginregistertest/DBOpenHelper.java

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@@ -12,17 +12,17 @@
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public class DBOpenHelper extends SQLiteOpenHelper {
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/**
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* 声明一个数据库变量db
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* 这个数据库即SQL Lite
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* 是Android SDK中自带的数据库
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* 声明一个AndroidSDK自带的数据库变量db
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*/
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private SQLiteDatabase db;
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/**
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* 构造方法,参数为上下文context,所谓上下文就是这个类所在包的路径
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* 调用父类构造器,super(context,"db_test",null,1); 指明上下文,数据库名,工厂默认空值,版本号默认从1开始
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* db = getReadableDatabase(); 与之相似的还有一句getWritableDatabase(),可以Ctrl+单击getReadableDatabase()
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* 点进去源码看看介绍
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* 写一个这个类的构造函数,参数为上下文context,所谓上下文就是这个类所在包的路径
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* 指明上下文,数据库名,工厂默认空值,版本号默认从1开始
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* super(context,"db_test",null,1);
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* 把数据库设置成可写入状态,除非内存已满,那时候会自动设置为只读模式
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* 不过,以现如今的内存容量,估计一辈子也见不到几次内存占满的状态
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* db = getReadableDatabase();
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*/
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public DBOpenHelper(Context context){
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super(context,"db_test",null,1);

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