Android Dialog自定义处理类textView文本不显示

2017年开始了，重新开始自己的工作积累和记录，开年头一篇！

自定义对话框代码类：

package com.customcontrol;import com.R;import android.app.Dialog;import android.content.Context;import android.os.Bundle;import android.view.LayoutInflater;import android.view.View;import android.widget.Button;import android.widget.TextView;import android.view.View.OnClickListener;public class CustomDialog extends Dialog implements OnClickListener {private Context _context;/** * 标题 */private String title = "提示";/** * 内容 */private String content = "";/** * 确定按钮 */private Button btnSave;/** * 关闭按钮 */private Button btnClose;/** * 标题 */private TextView txtTitle;/** * 提示内容 */private TextView txtContent;/** * 样式 */private int layout = R.layout.custom_dialog;/** * 视图 */private LayoutInflater inflater;private View view;/** * 自定义监听事件 */private OnCustomDialogListener customDialogListener;/** * 设置标题 * @param title */public void setTitle(String title) {this.title = title;}/** * 设置提示内容 * @param content */public void setContent(String content) {this.content = content;}/** * 设置样式 * @param theme */public void setLayout(int layout) {this.layout = layout;}/** * 监听事件 * @param customDialogListener */public void SetOnCustomDialogListener(OnCustomDialogListener customDialogListener){this.customDialogListener = customDialogListener;}/** * 事件接口 * @author Administrator * */public interface OnCustomDialogListener{public void CustomDialogListener();}protected CustomDialog(Context context, boolean cancelable,OnCancelListener cancelListener) {super(context, cancelable, cancelListener);// TODO Auto-generated constructor stub}public CustomDialog(Context context) {super(context);// TODO Auto-generated constructor stubthis._context = context;}public CustomDialog(Context context, String content) {super(context);// TODO Auto-generated constructor stubthis._context = context;this.content = content;}public CustomDialog(Context context, String title, String content) {super(context);// TODO Auto-generated constructor stubthis._context = context;this.title = title;this.content = content;}public CustomDialog(Context context, int theme){super(context, theme);this._context = context;}public CustomDialog(Context context, int theme, String content){super(context, theme);this._context = context;this.content = content;}public CustomDialog(Context context, int theme, String title, String content) {super(context, theme);// TODO Auto-generated constructor stubthis._context = context;this.title = title;this.content = content;}@Overrideprotected void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);inflater = (LayoutInflater) _context.getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);    view = inflater.inflate(layout, null);this.setContentView(view);btnSave = (Button)view.findViewById(R.id.btnOk);btnClose = (Button)view.findViewById(R.id.btnClose);txtTitle = (TextView)view.findViewById(R.id.txtDialogTitle);txtContent = (TextView)view.findViewById(R.id.txtDialogContent);btnSave.setOnClickListener(this);btnClose.setOnClickListener(this);txtTitle.setText(title);txtContent.setText(content);}@Overridepublic void onClick(View v) {// TODO Auto-generated method stubswitch(v.getId()){case R.id.btnClose:this.cancel();break;case R.id.btnOk:customDialogListener.CustomDialogListener();break;}}}

对话框引用处

 CustomDialog dialog = new CustomDialog(this, R.style.customdialog);    dialog.SetOnCustomDialogListener(new OnCustomDialogListener() {    @Overridepublic void CustomDialogListener() {// TODO Auto-generated method stubJSONObject jsonObj = new JSONObject();try {//点击确定执行自己的方法} catch (JSONException e) {e.printStackTrace();}}    });    dialog.setContent("确定执行吗？");    dialog.show();

style代码：

<?xml version="1.0" encoding="utf-8"?><resources xmlns:android="http://schemas.android.com/apk/res/android">     <style name="customdialog" parent="android:style/Theme.Dialog">       <item name="android:windowFrame">@null</item>       <item name="android:windowNoTitle">true</item>       <item name="android:windowBackground">@color/yellow</item>       <item name="android:windowIsFloating">true</item>       <item name="android:windowContentOverlay">@null</item>   </style>  </resources>

自定义了一个AlertDialog处理类，为了可以自定义样式，之前显示正常的app,在其他设备重试之后，发现不能显示弹框内容，不论内容是设置在初始化代码中还是引用的位置均无效，最终，在布局文件XMl中也不显示，于是猜想应该是文本存在，但是显示上的问题，大胆猜想，在自定义的dialog布局文件中将content的textView的文本颜色设置为黑色解决……

代码如下：

总结： AlertDialog默认背景颜色是白的，里面的文字也是白的，所以看上去就像空的一样！