android 动态增加不同名称的按钮

代码实现的功能是动态生成button、通过对话框设置button名称、并结合Scrollview实现垂直滚动。

第一次写博客，请大家多多指教

public class MainActivity extends AppCompatActivity {    private LinearLayout linearlay;    private Button button;    private Button btn;    private int index=0;//按钮id    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        linearlay = (LinearLayout) findViewById(R.id.linearlay);        button = (Button) findViewById(R.id.button);        button.setOnClickListener(new View.OnClickListener(){            @Override            public void onClick(View view) {                final EditText inputmname = new EditText(MainActivity.this);                AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(MainActivity.this);                alertDialogBuilder.setTitle("请输入名称").setIcon(android.R.drawable.ic_dialog_info).setView(inputmname)                        .setNegativeButton("Cancel", null);                alertDialogBuilder.setPositiveButton("Ok", new DialogInterface.OnClickListener() {                    public void onClick(DialogInterface dialog, int which) {                        String mname=inputmname.getText().toString();                        Log.i("mname", mname);                        btn= new Button(MainActivity.this);                        btn.setId(index++);                        btn.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT));                        btn.setText(mname);                        linearlay.addView(btn);                    }                });                alertDialogBuilder.show();            }        });    }}

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