java Android:RecyclerView表现为GridLayout
我需要创建一个包含3列的RecyclerView,其中有一个按钮,单击该按钮时,会将自定义视图添加到RecyclerView中。当我在视图中单击时,它会被删除。例如:我添加了5个视图,如果我点击数字3,数字3会被破坏,数字4 e 5会后退一步。我已经在GridLayout中创建了它,但我希望它在RecyclerView中,我知道我需要一个适配器、一个Viewholder和一个LayoutManager。那么这是怎么做到的呢
这是GridLayout的外观:
public class MainActivity extends AppCompatActivity {
GridLayout gridLayout;
static int i;
static int n = 1000;
private Button theButton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
gridLayout = (GridLayout)findViewById(R.id.gamehistory);
Button b = (Button)findViewById(R.id.Button01);
b.setOnClickListener(new View.OnClickListener(){
public void onClick(View v) {
theButton = new Button(MainActivity.this);
TextView theText = new TextView(MainActivity.this);
theText.setGravity(Gravity.CENTER_HORIZONTAL);
final LinearLayout theLayout = new LinearLayout(MainActivity.this);
theLayout.setOrientation(LinearLayout.VERTICAL);
theLayout.setBackgroundColor(Color.parseColor("#8BAAC3"));
theLayout.setId(++i);
theButton.setId(++n);
theButton.setText(theButton.getId() + "");
theText.setText(theLayout.getId() + "");
theLayout.addView(theButton);
theLayout.addView(theText);
gridLayout.addView(theLayout);
GridLayout.LayoutParams lp = (GridLayout.LayoutParams) theLayout.getLayoutParams();
lp.setMargins(10, 10, 10, 10);
theButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
gridLayout.removeView(theLayout);
}
});
}
});
}
}
关于我尝试使用回收视图,我尝试了guide in a blog,但没有成功
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