我创建了一个目标 api 为 4.0.3 (15) 的应用程序，但是当我在我的 4.0 设备上运行该应用程序时，我在清单中设置了 min api 为 2.3.3 (10)我的 2.3 设备它不加载只是在启动时强制关闭...
我知道 android 在构建之间存在碎片问题，我想知道是否有一种简单的方法可以使应用程序在两个系统上都运行，或者我是否还必须编写 2.3 版本。我是新手编码员，所以请对我温柔。
08-17 18:57:15.722: D/AndroidRuntime(4535): Shutting down VM
08-17 18:57:15.722: W/dalvikvm(4535): threadid=1: thread exiting with uncaught exception (group=0x4001d5a0)
08-17 18:57:15.722: E/AndroidRuntime(4535): FATAL EXCEPTION: main
08-17 18:57:15.722: E/AndroidRuntime(4535): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.reading.festival/com.reading.festival.ReadingFestival2012Activity}: java.lang.ClassNotFoundException: com.reading.festival.ReadingFestival2012Activity in loader dalvik.system.PathClassLoader[/data/app/com.reading.festival-1.apk]
08-17 18:57:15.722: E/AndroidRuntime(4535): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1785)
08-17 18:57:15.722: E/AndroidRuntime(4535): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1893)
08-17 18:57:15.722: E/AndroidRuntime(4535): at android.app.ActivityThread.access$1500(ActivityThread.java:135)
08-17 18:57:15.722: E/AndroidRuntime(4535): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1054)
08-17 18:57:15.722: E/AndroidRuntime(4535): at android.os.Handler.dispatchMessage(Handler.java:99)
08-17 18:57:15.722: E/AndroidRuntime(4535): at android.os.Looper.loop(Looper.java:150)
08-17 18:57:15.722: E/AndroidRuntime(4535): at android.app.ActivityThread.main(ActivityThread.java:4385)
08-17 18:57:15.722: E/AndroidRuntime(4535): at java.lang.reflect.Method.invokeNative(Native Method)
08-17 18:57:15.722: E/AndroidRuntime(4535): at java.lang.reflect.Method.invoke(Method.java:507)
08-17 18:57:15.722: E/AndroidRuntime(4535): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:849)
08-17 18:57:15.722: E/AndroidRuntime(4535): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:607)
08-17 18:57:15.722: E/AndroidRuntime(4535): at dalvik.system.NativeStart.main(Native Method)
08-17 18:57:15.722: E/AndroidRuntime(4535): Caused by: java.lang.ClassNotFoundException: com.reading.festival.ReadingFestival2012Activity in loader dalvik.system.PathClassLoader[/data/app/com.reading.festival-1.apk]
08-17 18:57:15.722: E/AndroidRuntime(4535): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
08-17 18:57:15.722: E/AndroidRuntime(4535): at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
08-17 18:57:15.722: E/AndroidRuntime(4535): at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
08-17 18:57:15.722: E/AndroidRuntime(4535): at android.app.Instrumentation.newActivity(Instrumentation.java:1040)
08-17 18:57:15.722: E/AndroidRuntime(4535): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1777)
08-17 18:57:15.722: E/AndroidRuntime(4535): ... 11 more
主要活动
package com.reading.festival;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
public class ReadingFestivalGuide2012Activity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//makes full screen and takes away title bar
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
//
setContentView(R.layout.main);
Button sitemap = (Button) findViewById(R.id.sitemap);
sitemap.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
Intent myIntent = new Intent(view.getContext(), sitemap.class);
startActivityForResult(myIntent, 0);
}
});
Button lineup = (Button) findViewById(R.id.lineup);
lineup.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
Intent myIntent = new Intent(view.getContext(), lineup.class);
startActivityForResult(myIntent, 0);
}
});
}
}