在Application子类MyApplication中通常可用来在onCreate()中完成下列工作
A.简单初始化
B.定义全局常量
C.定义全局变量
D.定义全局静态方法
- · 有4位网友选择 D,占比40%
- · 有4位网友选择 C,占比40%
- · 有2位网友选择 A,占比20%
A.简单初始化
B.定义全局常量
C.定义全局变量
D.定义全局静态方法
A、private void insert(SQLiteDatabase db){ ContentValues cValue = new ContentValues(); cValue.put("sname","xiaoming"); cValue.put("snumber","01005"); db.insert("stu_table",null,cValue); }
B、private void insert(SQLiteDatabase db){ String sql="insert into stu_table(sname,snumber) values('xiaoming','01005')"; db.execSQL(sql); }
C、private void insert(SQLiteDatabase db){ String sname = "xiaoming"; String snumber = "01005"; String sql="insert into stu_table(sname,snumber) values('"+sname+"','"+snumber+"')"; db.execSQL(sql); }
D、private void insert(SQLiteDatabase db){ String sname = "xiaoming"; String snumber = "01005"; String sql="insert into stu_table(sname,snumber) values(sname,snumber)"; db.execSQL(sql); }
A、beginTransaction() commit() endTransaction()
B、beginTransaction() setTransactionSuccessful() endTransaction()
C、beginTransaction() commit() rollback()
D、beginTransaction() setTransactionSuccessful() rollback()
A、dimens.xml
B、strings.xml
C、AndroidManifest.xml
D、styles.xml
A、InstrumentationRegistry.getTargetContext()
B、InstrumentationRegistry.getContext()
C、InstrumentationRegistry.getApplication().getContext()
D、InstrumentationRegistry.getApplication()
A、getWritableDatabase()
B、getReadableDatabase()
C、onUpgrade()
D、execSQL()
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