报ActivityNotFoundException错误

本文介绍了解决Android应用中出现ActivityNotFoundException的方法。主要是在AndroidManifest.xml文件中正确配置目标Activity,确保应用能够正常进行Activity间的跳转。

                                                 报ActivityNotFoundException错误,解决办法,就是在AndroidManifest.xml 里面添加 当前要跳转的Activity

package com.example.myapplication; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import androidx.activity.EdgeToEdge; import androidx.appcompat.app.AppCompatActivity; import androidx.core.graphics.Insets; import androidx.core.view.ViewCompat; import androidx.core.view.WindowInsetsCompat; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); EdgeToEdge.enable(this); setContentView(R.layout.activity_main); // 步骤1:处理系统边距(边缘到边缘布局) ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> { Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars()); v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom); return insets; }); // 步骤2:初始化AR按钮并设置点击事件(移到Lambda外部,确保逻辑可执行) Button arButton = findViewById(R.id.btn_ar_display); arButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(MainActivity.this, ArDisplayActivity.class); startActivity(intent); } }); } }在这里面点击跳转到package com.example.myapplication; import android.net.Uri; import android.os.Bundle; import android.util.Log; import androidx.appcompat.app.AppCompatActivity; import androidx.fragment.app.FragmentManager; import com.google.ar.core.Anchor; import com.google.ar.core.Session; // 确保导入正确的Session类 import com.google.ar.sceneform.AnchorNode; import com.google.ar.sceneform.ArSceneView; import com.google.ar.sceneform.rendering.ModelRenderable; import com.google.ar.sceneform.ux.ArFragment; import com.google.ar.sceneform.ux.TransformableNode; public class ArDisplayActivity extends AppCompatActivity { ArFragment arFragment= (ArFragment)getSupportFragmentManager().findFragmentById(R.id.ar_fragment); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_ar_display); // 正确从布局中获取ArFragment if (arFragment != null) { // 点击平面时加载并放置3D模型 arFragment.setOnTapArPlaneListener((hitResult, plane, motionEvent) -> { ModelRenderable.builder() .setSource(this, Uri.parse("models/text.glb")) .build() .thenAccept(renderable -> { // 放置模型逻辑 Anchor anchor = hitResult.createAnchor(); AnchorNode anchorNode = new AnchorNode(anchor); anchorNode.setParent(arFragment.getArSceneView().getScene()); TransformableNode modelNode = new TransformableNode(arFragment.getTransformationSystem()); modelNode.setRenderable(renderable); modelNode.setParent(anchorNode); modelNode.select(); // 允许缩放、旋转 }) .exceptionally(throwable -> { Log.e("AR模型加载", "失败:" + throwable.getMessage()); return null; }); }); } else { Log.e("AR错误", "未找到布局中的ar_fragment,请检查ID是否为@+id/ar_fragment"); } } @Override protected void onResume() { super.onResume(); if (arFragment != null) { ArSceneView arSceneView = arFragment.getArSceneView(); if (arSceneView != null) { Session session = arSceneView.getSession(); // 后续可对session进行操作(如检查ARCore支持、配置等) } } } }这个界面显示Error running 'ArDisplayActivity'The activity must be exported or contain an intent-filter
最新发布
10-23
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