怎么将string[] 数组中的字符串打印到屏幕上Textview模块中呢
就像下面这样
为啥我这样显示不出来
下面是我的java代码
package com.example.myapplication;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import androidx.appcompat.app.AppCompatActivity;
import android.widget.ImageView;
import android.widget.TextView;
import com.example.exercise2_5.R;
public class MainActivity extends AppCompatActivity {
ImageView img;
TextView text;
Button btn1,btn2;
private int[] imgs={
R.drawable.a,
R.drawable.b,
R.drawable.c,
R.drawable.d,
R.drawable.e,
};
private String[] name ={
"梅州围龙屋",
"梅州梅江桥",
"梅州市客天下景区",
"梅州市灵光寺",
"梅州土楼",
};
int index=0;
int index01 = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
img = findViewById(R.id.img);
text = findViewById(R.id.text1);
btn1 = findViewById(R.id.btn1);
btn2 = findViewById(R.id.btn2);
btn1.setOnClickListener(new mClick());
btn2.setOnClickListener(new mClick());
}
class mClick implements View.OnClickListener
{
public void onClick(View v)
{
if(v == btn1)
{
if(index>0&&index<=imgs.length)
{
index--;
index01--;
text.setText("name[index01]");
img.setImageResource(imgs[index]);
}else
{
index =1;
index01 = 1;
}
}
if(v == btn2)
{
if(index<imgs.length-1)
{
index++;
index01++;
text.setText("name[index01]");
img.setImageResource(imgs[index]);
}else {
index =5;
index01 = 5;
}
}
}
}
}