android 系统对话框 Android系统默认对话框添加图片功能

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:orientation="horizontal"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:background="@drawable/my_dialog_shape">
  <ImageView
   android:id="@+id/iv_dialog"
   android:layout_width="wrap_content"
   android:layout_height="50dp"
   android:paddingLeft="20dp"
   android:gravity="center"/>
  <TextView
   android:gravity="center"
   android:id="@+id/tv_dialog"
   android:layout_width="wrap_content"
   android:layout_height="50dp"
   android:textSize="20sp"
   android:layout_marginLeft="14dp"/>
</LinearLayout>
Main_activity.xml布局文件
<TextView
 style="@style/itemTextLeft"
 android:layout_width="wrap_content"
 android:layout_height="@dimen/dp_40"
 android:drawableLeft="@mipmap/zhifufangshi"
 android:drawablePadding="@dimen/dp_10"
 android:text="@string/text_zhifufangshi" />
<TextView
 android:id="@+id/fangshi"
 android:clickable="true"
 style="@style/itemTextLeftNext"
 android:layout_width="match_parent"
 android:layout_height="@dimen/dp_40"
 android:gravity="center_vertical|end"
 android:drawablePadding="@dimen/dp_10" />
MainActivity.java源文件
//支付对话框 icon or text
private String[] datas = {"微信支付", "支付宝支付", "余额支付"};
private int[] images = {R.drawable.weixinzhifu, R.drawable.zhifubaozhifu, R.drawable.yuezhifu};
private List<Map<String, Object>> listItem;
public class MainActivity extends BaseActivity implements View.OnClickListener{
@Override
protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
  initView（）；
}
@Override
protected void initView() {
  findViewById(R.id.fangshi).setOnClickListener(this);
}
@Override
public void onClick(View view) {
 if (view != null) {
  switch (view.getId()) {  
    case R.id.fangshi:
      showFangshi();
      break;
    }
}
//选择支付方式
private void showFangshi() {
 listItem = new ArrayList<Map<String, Object>>();
 for (int i = 0; i < datas.length; i++) {
  Map<String, Object> map = new HashMap<>();
  map.put("data", datas[i]);
  map.put("image", images[i]);
  listItem.add(map);
 }
 SimpleAdapter simpleAdapter = new SimpleAdapter(this, listItem, R.layout.dialog_list_item,
   new String[]{"data", "image"}, new int[]{R.id.tv_dialog, R.id.iv_dialog});
 //自定义列表对话框
 AlertDialog.Builder builder = new AlertDialog.Builder(this).setAdapter(simpleAdapter,
   new DialogInterface.OnClickListener() {
  @Override
  public void onClick(DialogInterface dialog, int which) {
   //Toast.makeText(MainActivity.this, "选中了："+datas[which].toString(),Toast.LENGTH_SHORT).show();
   //支付方式那行显示名称
   fangshi.setText(datas[which]);
   //支付方式赋值
   payType = which;
   //关闭对话框
   dialog.dismiss();
  }
 });
 builder.create().show();
}