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每当我运行我的程序，我得到这个错误：Android清单问题
10-11 17:53:12.135: ERROR/AndroidRuntime(403): at android.app.Instrumentation.newApplication(Instrumentation.java:957)
10-11 17:53:12.135: ERROR/AndroidRuntime(403): at android.app.Instrumentation.newApplication(Instrumentation.java:942)
10-11 17:53:12.135: ERROR/AndroidRuntime(403): at android.app.ActivityThread$PackageInfo.makeApplication(ActivityThread.java:644)
10-11 17:53:12.135: ERROR/AndroidRuntime(403): ... 11 more
10-11 17:53:53.525: ERROR/AndroidRuntime(434): FATAL EXCEPTION: main
10-11 17:53:53.525: ERROR/AndroidRuntime(434): java.lang.RuntimeException: Unable to instantiate application eggplant.passerator.Passerator: java.lang.ClassCastException: eggplant.passerator.Passerator
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at android.app.ActivityThread$PackageInfo.makeApplication(ActivityThread.java:649)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4232)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at android.app.ActivityThread.access$3000(ActivityThread.java:125)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2071)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at android.os.Handler.dispatchMessage(Handler.java:99)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at android.os.Looper.loop(Looper.java:123)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at android.app.ActivityThread.main(ActivityThread.java:4627)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at java.lang.reflect.Method.invokeNative(Native Method)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at java.lang.reflect.Method.invoke(Method.java:521)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at dalvik.system.NativeStart.main(Native Method)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): Caused by: java.lang.ClassCastException: eggplant.passerator.Passerator
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at android.app.Instrumentation.newApplication(Instrumentation.java:957)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at android.app.Instrumentation.newApplication(Instrumentation.java:942)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): at android.app.ActivityThread$PackageInfo.makeApplication(ActivityThread.java:644)
10-11 17:53:53.525: ERROR/AndroidRuntime(434): ... 11 more
。我不知道为什么！！！！这并没有发生之前
!<manifest
xmlns:android="http://schemas.android.com/apk/res/android"
package="eggplant.passerator"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name" android:name="Passerator">
<activity android:name=".Passerator" android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
package eggplant.passerator;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import java.util.Random;
public class Passerator extends Activity {
/** Called when the activity is first created. */
private String[] all_letters = {"a", "b", "c", "d", "e", "f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"};
private String[] all_words = {"app","apple", "android", "beta","brown", "cow","camp", "down","dug", "elephant","eclair", "fail","full", "gone","got","how","honey","ill","ice","jog","journey","king","kangaroo", "lemon","lobster","mark","make","nose","none", "origin","octpus", "power","pick", "quadrant","respect","run","sun","seen","tons","tan", "under","unable","view","venus", "what","where","yes","yawn","zebra"};
@SuppressWarnings("unused")
private Button generateButton;
private EditText minimum;
private EditText maximum;
private CheckBox letters;
private CheckBox words;
private CheckBox numbers;
private EditText password;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
this.generateButton = (Button)this.findViewById(R.id.generate);
this.minimum = (EditText)this.findViewById(R.id.min);
this.maximum = (EditText)this.findViewById(R.id.max);
this.letters = (CheckBox)this.findViewById(R.id.letters);
this.words = (CheckBox)this.findViewById(R.id.words);
this.numbers = (CheckBox)this.findViewById(R.id.numbers);
this.password = (EditText)this.findViewById(R.id.password);
}
public void generate(View v)
{
String mi = minimum.getText().toString();
String ma = maximum.getText().toString();
Boolean num = numbers.isChecked();
Boolean let = letters.isChecked();
Boolean word = words.isChecked();
String new_password = make_password(mi, ma, num, let, word);
password.setText(new_password);
}
@SuppressWarnings("finally")
public String make_password(String max, String min, Boolean numbers, Boolean letters, Boolean words)
{
String password = new String("");
int minimum=0;
int maximum=0;
try
{
minimum = Integer.parseInt(min);
maximum = Integer.parseInt(max);
}
catch(Throwable t)
{
password = "You must set both the minimum and maximum to an integer!";
}
finally
{
//if(numbers==true)password+="numbers,";
//if(letters==true)password+="letters,";
//if(words==true)password+="words.";
Random random_gen = new Random();
int length = minimum + (int) (Math.random()*(maximum - minimum));
//password+=Integer.toString(length);
//password+=":";
if(numbers==false&&letters==true&&words==false)
{
while(length!=0)
{
password+=all_letters[random_gen.nextInt(26)];
length-=1;
}
}
if(numbers==false&&letters==false&&words==true)
{
if (length<3)password="To use words only, you must set minimum to at least 3!";
while(length>3)
{
String chosen_word=all_words[random_gen.nextInt(all_words.length)];
if (chosen_word.length()<=length)
{
password+=chosen_word;
length-=chosen_word.length();
}
}
}
if(numbers==true&&letters==false&&words==false)
{
while(length!=0)
{
password+=Integer.toString(random_gen.nextInt(9));
length-=1;
}
}
if(numbers==true&&letters==true&&words==false)
{
while(length!=0)
{
if(random_gen.nextBoolean()==true)password+=all_letters[random_gen.nextInt(26)];
else password+=Integer.toString(random_gen.nextInt(9));
length-=1;
}
}
if(numbers==true&&letters==false&&words==true)
{
while(length!=0)
{
if(random_gen.nextBoolean()==true)
{
password+=Integer.toString(random_gen.nextInt(9));
length-=1;
}
else
{
if(length>3)
{
String chosen_word=all_words[random_gen.nextInt(all_words.length)];
if (chosen_word.length()<=length)
{
password+=chosen_word;
length-=chosen_word.length();
}
}
}
}
}
if(numbers==false&&letters==true&&words==true)
{
while(length!=0)
{
if(random_gen.nextBoolean()==true)
{
password+=all_letters[random_gen.nextInt(26)];
length-=1;
}
else
{
if(length>3)
{
String chosen_word=all_words[random_gen.nextInt(all_words.length)];
if (chosen_word.length()<=length)
{
password+=chosen_word;
length-=chosen_word.length();
}
}
}
}
}
if(numbers==true&&letters==true&&words==true)
{
while(length!=0)
{
int choice=random_gen.nextInt(3);
if(choice==0)
{
password+=all_letters[random_gen.nextInt(26)];
length-=1;
}
if (choice==1)
{
if(length>3)
{
String chosen_word=all_words[random_gen.nextInt(all_words.length)];
if (chosen_word.length()<=length)
{
password+=chosen_word;
length-=chosen_word.length();
}
}
}
if (choice==2)
{
password+=Integer.toString(random_gen.nextInt(9));
length-=1;
}
}
}
if(numbers==false&&letters==false&&words==false)password="You must check at least one of the check boxes above!";
if (minimum<maximum)password="The maximum must be less than the minimum!";
return password;
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<AbsoluteLayout
android:id="@+id/widget35"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
>
<Button
android:id="@+id/generate"
android:layout_width="320px"
android:layout_height="53px"
android:text="Generate"
android:layout_x="0px"
android:layout_y="272px"
>
</Button>
<EditText
android:id="@+id/password"
android:layout_width="320px"
android:layout_height="110px"
android:textSize="18sp"
android:layout_x="0px"
android:layout_y="322px"
>
</EditText>
<CheckBox
android:id="@+id/numbers"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Numbers"
android:layout_x="200px"
android:layout_y="202px"
>
</CheckBox>
<CheckBox
android:id="@+id/words"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Words"
android:layout_x="110px"
android:layout_y="202px"
>
</CheckBox>
<CheckBox
android:id="@+id/letters"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Letters"
android:layout_x="20px"
android:layout_y="202px"
>
</CheckBox>
<EditText
android:id="@+id/max"
android:layout_width="70px"
android:layout_height="wrap_content"
android:textSize="18sp"
android:layout_x="10px"
android:layout_y="122px"
android:inputType="number"
android:maxLines="1"
android:maxLength="2"
android:imeOptions="actionDone"
>
</EditText>
<EditText
android:id="@+id/min"
android:layout_width="70px"
android:layout_height="wrap_content"
android:textSize="18sp"
android:layout_x="10px"
android:layout_y="72px"
android:inputType="number"
android:maxLines="1"
android:maxLength="2"
android:imeOptions="actionDone"
>
</EditText>
<TextView
android:id="@+id/max_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Maximum Length"
android:layout_x="80px"
android:layout_y="132px"
>
</TextView>
<TextView
android:id="@+id/min_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Minimum Length"
android:layout_x="80px"
android:layout_y="82px"
>
</TextView>
<TextView
android:id="@+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Passerator"
android:textSize="40sp"
android:textStyle="bold"
android:layout_x="50px"
android:layout_y="2px"
>
</TextView>
</AbsoluteLayout>
你可以发布完整的logcat输出吗？ – 2010-10-11 18:23:39
你是否错过了Android清单中的起始标记？ –
2010-10-11 18:24:38