Android SimpleCursorAdapter - Adding conditional images

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独厮守ぢ
独厮守ぢ 2021-01-07 00:42

So I\'m using SimpleCursorAdapter to adapt data from SQLite into ListView. Lets call this database testData. One of my columns in testData records true or false with either

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  •  说谎
    说谎 (楼主)
    2021-01-07 01:19

    I created a customized SimpleCursorAdapter:

    public class MySimpleCursorAdapter extends SimpleCursorAdapter {
    
        public MySimpleCursorAdapter(Context context, int layout, Cursor cur,
                 String[] from, int[] to) {
            super(context, layout, cur, from, to);
        }
    
        @Override public void setViewImage(ImageView iv, String text)
        {
            if (text.equals("0")) {
                iv.setImageResource(R.drawable.new1);
            }
            else {
                iv.setImageResource(R.drawable.check1);
            }
        }
    
    }
    

    In my ListActivity I bind the text field in the database to the image resource id. In your example it would look like this:

    ListAdapter adapter = new MySimpleCursorAdapter(
        this, 
        android.R.layout.two_line_list_item,  
        mCursor,                                              
        new String[] {testData.DATE1, testData.NAME1},           
        new int[] {android.R.id.text1, android.R.id.image1}); // Note: replace text2 with image1
    

    I.e. if the text field "Name1" in your database contains "0", the image "new1" will be displayed in the ListView, and if it has another value, "check1" will be displayed.

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