Dialog中Android应用中的使用方法？很多新手对此不是很清楚，为了帮助大家解决这个难题，下面小编将为大家详细讲解，有这方面需求的人可以来学习下，希望你能有所收获。
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Android开发中最常用的就是Dialog类，除了自定义dialog布局，最多的就是用在弹出对话框、进度条、输入框、单选、复选框。
1、选择对话框：
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setTitle("选择对话框");
dialog.setMessage("请选择确认或取消");
dialog.setCancelable(false); //设置按下返回键不能消失
dialog.setPositiveButton("确认", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "您选择了确认", Toast.LENGTH_LONG).show();
}
});
dialog.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "您选择了取消", Toast.LENGTH_LONG).show();
}
});
dialog.show();//显示弹出窗口
2、进度条
ProgressDialog progressDialog = new ProgressDialog(this);
progressDialog.setTitle("显示进度条");
progressDialog.setMessage("加载中...");
progressDialog.setCancelable(true);
progressDialog.show();
3、弹出输入框
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("弹出输入框");
builder.setMessage("输入内容");
final EditText editText = new EditText(this);
builder.setView(editText);
builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "您输入了" + editText.getText().toString(), Toast.LENGTH_SHORT).show();
}
});
builder.setNegativeButton("取消", null);
builder.show();
4、弹出单选框
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("弹出单选框");
final String[] choice = new String[]{"Java", "C++", "PHP"};
builder.setSingleChoiceItems(choice, 0,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "您选择了" + choice[which], Toast.LENGTH_LONG).show();
dialog.dismiss(); // 让窗口消失
}
});
builder.create().show();
5、弹出复选框
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("弹出多选框");
final String[] choice = new String[]{"Android", "IOS", "Windos Phone"}; // 选择项
final boolean[] isCheck = new boolean[choice.length]; // 是否被选中
builder.setMultiChoiceItems(choice, null,
new DialogInterface.OnMultiChoiceClickListener() {
@Override
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
if (isChecked == true)
isCheck[which] = true;
else if(isChecked == false)
isCheck[which] = false;
}
});
builder.setNegativeButton("取消", null);
builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String isSelected = "您选择了";
for (int i = 0; i < choice.length; i++) {
if (isCheck[i] == true) {
isSelected += choice[i]+","; // 将选择的内容加上
}
}
Toast.makeText(MainActivity.this, isSelected, Toast.LENGTH_LONG).show();
}
});
builder.create();
builder.show();
6、自定义布局的Dialog
AlertDialog.Builder builder = new AlertDialog.Builder(this);
final AlertDialog dialog = builder.create();
View view = View.inflate(this, R.layout.personal_modifyhead_dialog, null);
dialog.setView(view, 0, 0, 0, 0);// 设置边距为0,保证在2.x的版本上运行没问题
dialog.show();
AutoRelativeLayout rl_photograph = (AutoRelativeLayout) view.findViewById(R.id.rl_photograph);
rl_photograph.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
presenter.modiftHeadFromPhotograph();
dialog.dismiss();
}
});
AutoRelativeLayout rl_album = (AutoRelativeLayout) view.findViewById(R.id.rl_album);
rl_album.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
presenter.modifyHeadFromAlbum();
dialog.dismiss();
}
});
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