Android(安卓)日期选择控件

1.创建dialog 布局

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2.MainActivity

public class MainActivity extends AppCompatActivity {    private TextView date;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        date = findViewById(R.id.date);        //点击"日期"按钮布局 设置日期        date.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                //通过自定义控件AlertDialog实现                AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);                View view = (LinearLayout) getLayoutInflater().inflate(R.layout.date_dialog, null);                final DatePicker datePicker = (DatePicker) view.findViewById(R.id.date_picker);                //设置日期简略显示 否则详细显示 包括:星期\周                datePicker.setCalendarViewShown(false);                //设置date布局                builder.setView(view);                builder.setTitle("选择出生日期");                builder.setPositiveButton("确  定", new DialogInterface.OnClickListener() {                    @Override                    public void onClick(DialogInterface dialog, int which) {                        //日期格式                        int year = datePicker.getYear();                        int month = datePicker.getMonth()+1;                        int dayOfMonth = datePicker.getDayOfMonth();                        date.setText(year+"年"+month+"月"+dayOfMonth+"日");                        dialog.cancel();                    }                });                builder.setNegativeButton("取  消", new DialogInterface.OnClickListener() {                    @Override                    public void onClick(DialogInterface dialog, int which) {                        dialog.cancel();                    }                });                builder.create().show();            }        });    }}

3.activity_main布局

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