39 lines
1.4 KiB
Java
39 lines
1.4 KiB
Java
package com.khronos.vulkan_samples;
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import androidx.appcompat.app.AppCompatActivity;
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import android.content.Intent;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.Button;
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import android.widget.TextView;
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public class SecondActivity extends AppCompatActivity {
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_second);
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TextView textView = findViewById(R.id.textViewSecond);
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Button buttonBack = findViewById(R.id.buttonBack);
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// 接收从MainActivity传递的数据
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Intent intent = getIntent();
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if (intent != null && intent.hasExtra("message")) {
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String message = intent.getStringExtra("message");
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textView.setText(message);
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}
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buttonBack.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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// 返回数据到MainActivity
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Intent returnIntent = new Intent();
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returnIntent.putExtra("returnData", "Hello back from SecondActivity!");
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setResult(RESULT_OK, returnIntent);
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// 结束当前Activity
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finish();
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}
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});
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}
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} |