Android如何实现弹出列表、单选、多选框
这篇文章主要介绍Android如何实现弹出列表、单选、多选框,文中介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们一定要看完!
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具体内容如下
效果图如下:




需要建一个menu
xml布局如下:
Java代码如下:
import android.content.DialogInterface;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
private AlertDialog alertDialog1; //信息框
private AlertDialog alertDialog2; //单选框
private AlertDialog alertDialog3; //多选框
private Button button1;
private Button button2;
private Button button3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
init();
}
public void init(){
button1 = (Button) findViewById(R.id.button1);
button2 = (Button) findViewById(R.id.button2);
button3 = (Button) findViewById(R.id.button3);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.mian, menu);
return true;
}
public void showList(View view){
final String[] items = {"列表1", "列表2", "列表3", "列表4"};
AlertDialog.Builder alertBuilder = new AlertDialog.Builder(this);
alertBuilder.setTitle("这是列表框");
alertBuilder.setItems(items, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
Toast.makeText(MainActivity.this, items[i], Toast.LENGTH_SHORT).show();
alertDialog1.dismiss();
}
});
alertDialog1 = alertBuilder.create();
alertDialog1.show();
}
public void showSingleAlertDialog(View view){
final String[] items = {"单选1", "单选2", "单选3", "单选4"};
AlertDialog.Builder alertBuilder = new AlertDialog.Builder(this);
alertBuilder.setTitle("这是单选框");
alertBuilder.setSingleChoiceItems(items, 0, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
Toast.makeText(MainActivity.this, items[i], Toast.LENGTH_SHORT).show();
}
});
alertBuilder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
alertDialog2.dismiss();
}
});
alertBuilder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
alertDialog2.dismiss();
}
});
alertDialog2 = alertBuilder.create();
alertDialog2.show();
}
public void showMutilAlertDialog(View view){
final String[] items = {"多选1", "多选2", "多选3", "多选4"};
AlertDialog.Builder alertBuilder = new AlertDialog.Builder(this);
alertBuilder.setTitle("这是多选框");
/**
*第一个参数:弹出框的消息集合,一般为字符串集合
* 第二个参数:默认被选中的,布尔类数组
* 第三个参数:勾选事件监听
*/
alertBuilder.setMultiChoiceItems(items, null, new DialogInterface.OnMultiChoiceClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i, boolean isChecked) {
if (isChecked){
Toast.makeText(MainActivity.this, "选择" + items[i], Toast.LENGTH_SHORT).show();
}else {
Toast.makeText(MainActivity.this, "取消选择" + items[i], Toast.LENGTH_SHORT).show();
}
}
});
alertBuilder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
alertDialog3.dismiss();
}
});
alertBuilder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
alertDialog3.dismiss();
}
});
alertDialog3 = alertBuilder.create();
alertDialog3.show();
}
}以上是“Android如何实现弹出列表、单选、多选框”这篇文章的所有内容,感谢各位的阅读!希望分享的内容对大家有帮助,更多相关知识,欢迎关注创新互联行业资讯频道!
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