How to generate list entries automatically by Android ListView
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The activity_list.xml file code is as follows:
The ListActivity.java file code is as follows:
Package com.example.sample_6_4;import android.app.Dialog;import android.graphics.Color;import android.preference.DialogPreference;import android.support.v7.app.AlertDialog;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.view.ViewGroup;import android.view.WindowManager;import android.widget.ArrayAdapter;import android.widget.BaseAdapter;import android.widget.Button;import android.widget.ListView;import android.widget.TextView Public class ListActivity extends AppCompatActivity {@ Override protected void onCreate (Bundle savedInstanceState) {super.onCreate (savedInstanceState); setContentView (R.layout.activity_list); ListView lv = (ListView) findViewById (R.id.listview); / / make an adapter to use ListView lv.setAdapter (new MyAdapter ());} class MyAdapter extends BaseAdapter {@ Override / / returns the number of entries, list entries, such as how many public int getCount () {return 20 is displayed on a screen } @ Override / / determine the layout and content of each entry. Position represents the location of each entry. Starting from 0, public View getView (int position, View converView, ViewGroup parent) {TextView tv = new TextView (ListActivity.this); tv.setText ("entry" + position); tv.setTextSize (23); tv.setTextColor (Color.BLUE); return tv;} @ Override public Object getItem (int position) {return null;} @ Override public long getItemId (int position) {return 0 } the above is about the content of this article on "how to automatically generate list entries in Android ListView". I believe you all have some understanding. I hope the content shared by the editor will be helpful to you. If you want to know more related knowledge, please follow the industry information channel.
