圆角PopupWindow对话框和圆角EditText.doc

圆角PopupWindow对话框和圆角EditText Android默认的PopupWindow和EditText的外观是矩形框，看起来不是太好，本示例通过设置布局View的背景和PopupWindowd对象的背景，实现有白色圆角边框的对话框效果和圆角文字编辑框。代码如下（关键部分是背景布局XML）：对话框弹出效果图：Java代码 1. package com.test; 2.3. import android.app.Activity; 4. import android.content.Context; 5. import android.os.Bundle; 6. import android.text.InputType; 7. import android.view.Gravity; 8. import android.view.LayoutInflater; 9. import android.view.View; 10. import android.view.View.OnClickListener; 11. import android.widget.Button; 12. import android.widget.EditText; 13. import android.widget.PopupWindow; 14. import android.widget.LinearLayout.LayoutParams; 15.16.17. public class RoundCorner extends Activity 18.19. Button mButton; 20.21. Override 22. public void onCreate(Bundle savedInstanceState) 23. super.onCreate(savedInstanceState); 24. setContentView(R.layout.main); 25.26. / 定义按钮 27. mButton = (Button) this.findViewById(R.id.Button01); 28. mButton.setOnClickListener(new ClickEvent(); 29.30. / 两个圆角文字编辑框 31. EditText et1 = (EditText) this.findViewById(R.id.roundedtext1); 32. EditText et2 = (EditText) this.findViewById(R.id.roundedtext2); 33. et1.setInputType(InputType.TYPE_TEXT_FLAG_AUTO_CORRECT); 34. et2.setInputType(InputType.TYPE_NULL); /不显示软键盘 35.36. 37.38. / 处理按键事件 39. class ClickEvent implements OnClickListener 40. Override 41. public void onClick(View v) 42. if (v = mButton) 43. showRoundCornerDialog(RoundCorner.this, RoundCorner.this.findViewById(R.id.Button01); 44. 45. 46. 47.48. / 显示圆角对话框 49. public void showRoundCornerDialog(Context context, View parent) 50. LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 51.52. / 获取圆角对话框布局View，背景设为圆角 53. final View dialogView = inflater.inflate(R.layout.popupwindow, null, false); 54. dialogView.setBackgroundResource(R.drawable.rounded_corners_view); 55.56. / 创建弹出对话框，设置弹出对话框的背景为圆角 57. final PopupWindow pw = new PopupWindow(dialogView, 300, LayoutParams.WRAP_CONTENT, true); 58. pw.setBackgroundDrawable(getResources().getDrawable(R.drawable.rounded_corners_pop); 59.60. /注：上面的设背景操作为重点部分，可以自行注释掉其中一个或两个设背景操作，查看对话框效果 61. /注：上面的设背景操作为重点部分，可以自行注释掉其中一个或两个设背景操作，查看对话框效果 62.63. final EditText edtUsername = (EditText) dialogView.findViewById(R.id.username_edit); 64. final EditText edtPassword = (EditText) dialogView.findViewById(R.id.password_edit); 65. edtUsername.setHint(用户名.); / 设置提示语 66. edtPassword.setHint(密码.); / 设置提示语 67.68. / OK按钮及其处理事件 69. Button btnOK = (Button) dialogView.findViewById(R.id.BtnOK); 70. btnOK.setOnClickListener(new OnClickListener() 71. Override 72. public void onClick(View v) 73. / 设置文本框内容 74. edtUsername.setText(username); 75. edtPassword.setText(password); 76. 77. ); 78.79. / Cancel按钮及其处理事件 80. Button btnCancel = (Button) dialogView.findViewById(R.id.BtnCancel); 81. btnCancel.setOnClickListener(new OnClickListener() 82. Override 83. public void onClick(View v) 84. pw.dismiss();/ 关闭 85. 86. ); 87.88. / 显示RoundCorner对话框 89. pw.showAtLocation(parent, Gravity.CENTER|Gravity.BOTTOM, 0, 0); 90. 91.92. package com.test;import android.app.Activity;import android.content.Context;import android.os.Bundle;import android.text.InputType;import android.view.Gravity;import android.view.LayoutInflater;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.EditText;import android.widget.PopupWindow;import android.widget.LinearLayout.LayoutParams;public class RoundCorner extends Activity Button mButton; Overridepublic void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState);setContentView(R.layout.main);/ 定义按钮mButton = (Button) this.findViewById(R.id.Button01);mButton.setOnClickListener(new ClickEvent();/ 两个圆角文字编辑框EditText et1 = (EditText) this.findViewById(R.id.roundedtext1);EditText et2 = (EditText) this.findViewById(R.id.roundedtext2);et1.setInputType(InputType.TYPE_TEXT_FLAG_AUTO_CORRECT);et2.setInputType(InputType.TYPE_NULL); /不显示软键盘/ 处理按键事件class ClickEvent implements OnClickListener Overridepublic void onClick(View v) if (v = mButton) showRoundCornerDialog(RoundCorner.this, RoundCorner.this.findViewById(R.id.Button01);/ 显示圆角对话框public void showRoundCornerDialog(Context context, View parent) LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);/ 获取圆角对话框布局View，背景设为圆角final View dialogView = inflater.inflate(R.layout.popupwindow, null, false);dialogView.setBackgroundResource(R.drawable.rounded_corners_view); / 创建弹出对话框，设置弹出对话框的背景为圆角 final PopupWindow pw = new PopupWindow(dialogView, 300, LayoutParams.WRAP_CONTENT, true);pw.setBackgroundDrawable(getResources().getDrawable(R.drawable.rounded_corners_pop);/注：上面的设背景操作为重点部分，可以自行注释掉其中一个或两个设背景操作，查看对话框效果/注：上面的设背景操作为重点部分，可以自行注释掉其中一个或两个设背景操作，查看对话框效果final EditText edtUsername = (EditText) dialogView.findViewById(R.id.username_edit);final EditText edtPassword = (EditText) dialogView.findViewById(R.id.password_edit);edtUsername.setHint(用户名.); / 设置提示语edtPassword.setHint(密码.); / 设置提示语/ OK按钮及其处理事件Button btnOK = (Button) dialogView.findViewById(R.id.BtnOK);btnOK.setOnClickListener(new OnClickListener() Overridepublic void onClick(View v) / 设置文本框内容edtUsername.setText(username);edtPassword.setText(password););/ Cancel按钮及其处理事件Button btnCancel = (Button) dialogView.findViewById(R.id.BtnCancel);btnCancel.setOnClickListener(new OnClickListener() Overridepublic void onClick(View v) pw.dismiss();/ 关闭);/ 显示RoundCorner对话框pw.showAtLocation(parent,