模拟器链接办法：adb connect 127.0.0.1:21503
跳转代码
package com.example.newthree;import androidx.appcompat.app.AppCompatActivity;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.widget.Button;public class MainActivity extends AppCompatActivity {private Button mbtn1;private Button mbtn2;private Button mbtn3;private Button mbtn4;private Button mbtn5;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mbtn1=findViewById(R.id.btn_1);mbtn2=findViewById(R.id.btn_2);mbtn3=findViewById(R.id.btn_3);mbtn4=findViewById(R.id.btn_4);mbtn5=findViewById(R.id.btn_5);setListeners();}private void setListeners(){OnClick onClick=new OnClick();mbtn1.setOnClickListener(onClick);mbtn2.setOnClickListener(onClick);mbtn3.setOnClickListener(onClick);mbtn4.setOnClickListener(onClick);mbtn5.setOnClickListener(onClick);}private class OnClick implements View.OnClickListener{@Overridepublic void onClick(View v) {Intent intent=null;switch (v.getId()){case R.id.btn_1:intent=new Intent(MainActivity.this,EditTextActivity.class);break;case R.id.btn_2:intent=new Intent(MainActivity.this,RadioButtonActivity.class);break;case R.id.btn_3:intent=new Intent(MainActivity.this,CheckBoxActivity.class);break;case R.id.btn_4:intent=new Intent(MainActivity.this,ImageViewActivity.class);case R.id.btn_5:// intent=new Intent(MainActivity.this, ListViewActivity.class);}startActivity(intent);}}}
点击，弹出
package com.example.newthree;import androidx.appcompat.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.Toast;public class EditTextActivity extends AppCompatActivity {//声明控件private Button mlogin;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_edit_text);//找到控件mlogin=findViewById(R.id.btn_1);//设置点击mlogin.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {//执行Toast.makeText(EditTextActivity.this,"登录成功",Toast.LENGTH_LONG).show();}});}}
加载网络图片配合glide
package com.example.newthree;import androidx.appcompat.app.AppCompatActivity;import android.os.Bundle;import android.widget.ImageView;import com.bumptech.glide.Glide;public class ImageViewActivity extends AppCompatActivity {private ImageView miv4;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_image_view);miv4=findViewById(R.id.iv_4);Glide.with(this).load("/img/PCtm_d9c8750bed0b3c7d089fa7d55720d6cf.png").into(miv4);}}
