package bawei.com.jds.mvp.ui.weight;
import android.content.Context;
import android.support.annotation.Nullable;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import bawei.com.jds.R;
public class Plusview extends LinearLayout implements View.OnClickListener {
private int num = 1;
private TextView tv_add;
private TextView tv_delete;
private TextView tv_num;
public Plusview(Context context) {
this(context, null);
}
public Plusview(Context context, @Nullable AttributeSet attrs) {
this(context, attrs, 0);
}
public Plusview(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
initView();
}
private void initView() {
View view = LayoutInflater.from(getContext()).inflate(R.layout.plusview_layout, this, true);
tv_add = view.findViewById(R.id.tv_add);
tv_delete = view.findViewById(R.id.tv_delete);
tv_num = view.findViewById(R.id.tv_num);
tv_num.setText(num + "");
tv_add.setOnClickListener(this);
tv_delete.setOnClickListener(this);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.tv_add:
num++;
tv_num.setText(num + "");
if (onTopNumListen != null) {
onTopNumListen.getTopNum(num);
}
break;
case R.id.tv_delete:
if (num == 1) {
Toast.makeText(getContext(), "购买数量最小为一", Toast.LENGTH_SHORT).show();
}else {
num--;
}
tv_num.setText(num + "");
if (onTopNumListen != null) {
onTopNumListen.getTopNum(num);
}
break;
}
}
public void setNum(int n) {
tv_num.setText(n + "");
num = Integer.parseInt(tv_num.getText().toString());
}
private OnTopNumListen onTopNumListen;
public interface OnTopNumListen {
void getTopNum(int num);
}
public void setOnTopNumListen(OnTopNumListen onTopNumListen) {
this.onTopNumListen = onTopNumListen;
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<Button
android:layout_width="20dp"
android:layout_height="20dp"
android:id="@+id/tv_delete"
android:background="@drawable/delete"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="1"
android:id="@+id/tv_num"
android:textSize="10sp"
/>
<Button
android:layout_width="20dp"
android:layout_height="20dp"
android:id="@+id/tv_add"
android:background="@drawable/add"
/>
</LinearLayout>