我想为您提供以下帮助,如何创建自定义可扩展列表并将每个列表保存在sdcard中,我有一个数据库,其中包含每个图像的路径。
cursor = builder.query(
/* from */ Usuario.getInstance().getReadableDatabase( ),
/* select */ columnsToReturn,
/* where */ Usuario.CPF_KEY + " = \'" + LastLoginData.getCpf( ) + "\'",
null, null, null,
/* order by */ Usuario.REG_ID_KEY + " ASC" );
listAdapter = new SimpleCursorTreeAdapter(
this, cursor, R.layout.registro_parent,
new String[] { Usuario.REG_DATE_KEY, Usuario.REG_TYPE_KEY, Usuario.REG_STATUS_KEY },
new int[] { R.id.textData, R.id.textRegTipo, R.id.textStatus },
R.layout.registro_child,
new String[] { Usuario.REG_MEDIA_THUMB_KEY, Usuario.REG_INFO_KEY },
new int[] {R.id.imgSnapshot2 , R.id.textComentarios } )
{
@Override
protected Cursor getChildrenCursor( Cursor cursor ) {
String id = cursor.getString( cursor.getColumnIndexOrThrow( Usuario.REG_ID_KEY ) );
SQLiteDatabase db = Usuario.getInstance().getWritableDatabase( );
String query = "select " + Usuario.REG_ID_KEY + ", " + Usuario.REG_MEDIA_THUMB_KEY + ", " + Usuario.REG_INFO_KEY + " from " + Usuario.REG_TABLE + " where " + Usuario.REG_ID_KEY + "='" + id + "'";
Cursor cur = db.rawQuery( query, null );
return cur;
}
@Override
protected void bindGroupView( View view, Context context, Cursor cursor, boolean isExpanded ) {
super.bindGroupView( view, context, cursor, isExpanded );
ImageView img = ( ImageView )view.findViewById( R.id.imageExpand );
if( img != null ) {
if( isExpanded ) {
img.setImageResource( R.drawable.btn_circulo_baixo );
}
else {
img.setImageResource( R.drawable.btn_circulo_dir );
}
}
TextView status = ( TextView )view.findViewById( R.id.textStatus );
if( status != null ) {
String s = status.getText().toString();
if( s.equals( getString( R.string.Enviada ) ) ) {
status.setTextColor( 0xffff0000 );
}
else if( s.equals( getString( R.string.EmAndamento ) ) ) {
status.setTextColor( 0xffffcc00 );
}
else if( s.equals( getString( R.string.Atendida ) ) ) {
status.setTextColor( 0xff00cc00 );
}
else {
status.setTextColor( 0xff808080 );
}
}
if( isExpanded ) {
img = ( ImageView )view.findViewById( R.id.imageRodape );
if( img != null ) {
img.setVisibility( View.INVISIBLE );
}
}
else {
img = ( ImageView )view.findViewById( R.id.imageRodape );
if( img != null ) {
img.setVisibility( View.VISIBLE );
}
}
}
};
listView.setAdapter( listAdapter );
此代码插入一切正确但不是图片:(有人可以帮助^ ^ 谢谢你们^ ^
现在如何制作可展开的示例将是一种帮助,如果不是这样的话。
答案 0 :(得分:0)
您可以将其用于Expandable listview。
http://www.androidhive.info/2013/07/android-expandable-list-view-tutorial/