我是一个新手,Android开发试图让一个应用程序(计算机),但由于以下错误,我无法启动该应用程序推出Android应用:不能因“活动类不存在”的错误
Error while executing: am start -n "apper.com.calc1/apper.com.calc1.StartActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=apper.com.calc1/.StartActivity }
Error type 3
Error: Activity class {apper.com.calc1/apper.com.calc1.StartActivity} does not exist.
Error while Launching activity
这里是Android清单文件,
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="apper.com.calc1">
<application
android:icon="@mipmap/ic_launcher_calculator"
android:label="@string/app_name"
android:hardwareAccelerated="true"
android:theme="@style/CalculatorTheme">
<activity
android:name=".StartActivity"
android:label="@string/app_name"
android:windowSoftInputMode="stateAlwaysHidden">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
<category android:name="android.intent.category.APP_CALCULATOR" />
</intent-filter>
</activity>
<activity
android:name=".CalculatorL"
android:label="@string/app_name"
android:windowSoftInputMode="stateAlwaysHidden" />
</application>
StartActivity.java
package com.apper.calc1;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
public class StartActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (Utils.hasLollipop()) {
startActivity(new Intent(this, CalculatorL.class));
} else {
startActivity(new Intent(this, CalculatorGB.class));
}
finish();
}
}
您是否试过'package =“com.apper.calc1”'而不是'package =“apper.com.calc1”'? –
尝试清理该项目并重新构建它。 –