我做了一个应用程序,它工作正常。但是当我点击“取消”或“确定”按钮时,我运行该程序,而不是链接到result.java,模拟器给我“应用程序已经意外停止,请再试一次”代码JAVA - Android错误:应用程序意外停止,请再试一次
import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.database.CursorJoiner.Result;
import android.os.Bundle;
import android.view.View;
import android.widget.AutoCompleteTextView;
public class lib_main extends Activity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
public void onAddClick (View botton){
AutoCompleteTextView title = (AutoCompleteTextView)findViewById(R.id.Title);
AutoCompleteTextView author = (AutoCompleteTextView)findViewById(R.id.Author);
AutoCompleteTextView isbn = (AutoCompleteTextView)findViewById(R.id.ISBN);
Intent intent = new Intent();
intent.setClass(this,Result.class);
intent.putExtra("Title", title.getText().toString());
intent.putExtra("Author", author.getText().toString());
intent.putExtra("ISBN", isbn.getText().toString());
startActivity(intent);
}
public void onCancelClick(View botton){
Intent intent = new Intent();
intent.setComponent(new ComponentName(this,Result.class));
intent.putExtra("Cancel","Cancel");
startActivity(intent);
}
}
这是Result.java
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
public class Result extends Activity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.result);
TextView resultText=(TextView)findViewById(R.id.resultText);
Bundle bundle =getIntent().getExtras();
if(bundle.getString("Cancel")!= null)
{resultText.setText("operation cancel");}
else
{ String book =bundle.getString ("Title");
String title =bundle.getString ("Author");
String isbn =bundle.getString ("ISBN");
resultText.setText(
getString (R.string.resultOk)+""+book+""+ title+""+isbn);
}
}
}
错误日志写入“运行时,没有命令的输出:'我开始-N com.Library.doc/com.Library.doc.lib_main-A android.intent.action .MAIN-c android.intent.category.LAUNCHER'in device emulator -5554“
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.Library.doc"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".lib_main"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".Result"
android:label="@string/result">
</activity>
</application>
<uses-sdk android:minSdkVersion="8" />
任何人都可以帮我解决这个问题吗?
什么可以帮助我们调试问题是发生错误的LogCat。这可能是发现问题的最快途径。 – wheaties 2010-12-19 03:36:56
请发布您的Manifest文件,这可能是问题的根源。 – st0le 2010-12-19 06:57:30
我认为你的'result.java'实际上被命名为'Result.java',不是吗? – 2010-12-19 09:12:15