Android应用程序不断崩溃按钮点击

-1

我看过其他Q和答案，但找不到我的代码有什么问题吗？我一定在做错事，所以如果有人能帮助我，那将是非常感谢。我检查了第一页和第二页以及清单。Android应用程序不断崩溃按钮点击

package com.example.fmf; 

import com.example.fmf.Search; 

import android.os.Bundle; 
import android.app.Activity; 
import android.content.Intent; 
import android.util.Log; 
import android.view.Menu; 
import android.view.View; 
import android.widget.Button; 
import android.widget.Spinner; 
import android.view.View.OnClickListener; 


public class MainActivity extends Activity { 






    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main); 

     Button button = (Button) findViewById(R.id.go_button); 

     button.setOnClickListener(new OnClickListener() { 
      @Override 
      public void onClick(View arg0) { 
        goMenu(); 
      } 

     }); 
    } 


    public void goMenu() 
    { 
     Intent myIntent = new Intent(this, Search.class); 
     startActivity(myIntent); 
    } 


    @Override 
    public boolean onCreateOptionsMenu(Menu menu) { 
     // Inflate the menu; this adds items to the action bar if it is present. 
     getMenuInflater().inflate(R.menu.main, menu); 
     return true; 
    } 

}

第2页

package com.example.fmf; 


import android.os.Bundle; 
import android.app.Activity; 
import android.view.Menu; 
import android.view.MenuItem; 
import android.view.View; 
import android.widget.ListView; 
import android.widget.Spinner; 
import android.support.v4.app.NavUtils; 
import android.annotation.TargetApi; 
import android.content.Intent; 
import android.os.Build; 

public class Search extends Activity { 



    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_search); 
    // Show the Up button in the action bar. 
    setupActionBar(); 
    } 

    /** 
    * Set up the {@link android.app.ActionBar}, if the API is available. 
    */ 
    @TargetApi(Build.VERSION_CODES.HONEYCOMB) 
    private void setupActionBar() { 
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { 
     getActionBar().setDisplayHomeAsUpEnabled(true); 
    } 
} 

@Override 
public boolean onCreateOptionsMenu(Menu menu) { 
    // Inflate the menu; this adds items to the action bar if it is present. 
    getMenuInflater().inflate(R.menu.search, menu); 
    return true; 
} 

@Override 
public boolean onOptionsItemSelected(MenuItem item) { 
    switch (item.getItemId()) { 
    case android.R.id.home: 
     // This ID represents the Home or Up button. In the case of this 
     // activity, the Up button is shown. Use NavUtils to allow users 
     // to navigate up one level in the application structure. For 
     // more details, see the Navigation pattern on Android Design: 
     // 
     // http://developer.android.com/design/patterns/navigation.html#up-  vs-back 
     // 
     NavUtils.navigateUpFromSameTask(this); 
     return true; 
    } 
    return super.onOptionsItemSelected(item); 
} 

Bundle extras = getIntent().getExtras(); 
public final String ID_CITY = extras.getString("CITY_TH"); 

//retrieve list view value selected and store in variable restaurant 
//Not sure how to do this... 



}

清单

<uses-sdk 
     android:minSdkVersion="8" 
     android:targetSdkVersion="18" /> 

    <application 
     android:allowBackup="true" 
     android:icon="@drawable/ic_launcher" 
     android:label="@string/app_name" 
     android:theme="@style/AppTheme" > 
     <activity 
      android:name=".MainActivity" 
      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=".Search" 
     android:label="@string/app_name" 
     android:parentActivityName=".MainActivity" > 
     <meta-data 
      android:name="android.support.PARENT_ACTIVITY" 
      android:value=".MainActivity" /> 
    </activity> 
    <activity 
     android:name=".Info" 
     android:label="@string/app_name" 
     android:parentActivityName=".Search" > 
     <meta-data 
      android:name="android.support.PARENT_ACTIVITY" 
      android:value=".Search" /> 
     </activity> 
    </application> 

</manifest>

抱歉耽搁日志猫（不知道如何发布这一切）

11-27 15:40:05.118: D/AndroidRuntime(771): >>>>>> AndroidRuntime START com.android.internal.os.RuntimeInit <<<<<< 
11-27 15:40:05.128: D/AndroidRuntime(771): CheckJNI is ON 
11-27 15:40:05.158: D/dalvikvm(771): Trying to load lib libjavacore.so 0x0 
11-27 15:40:05.168: D/dalvikvm(771): Added shared lib libjavacore.so 0x0 
11-27 15:40:05.198: D/dalvikvm(771): Trying to load lib libnativehelper.so 0x0 
11-27 15:40:05.198: D/dalvikvm(771): Added shared lib libnativehelper.so 0x0 
11-27 15:40:05.278: E/cutils-trace(771): Error opening trace file: No such file or directory (2) 
11-27 15:40:05.868: D/AlertService(549): Beginning updateAlertNotification 
11-27 15:40:05.898: D/AndroidRuntime(771): Calling main entry com.android.commands.am.Am 
11-27 15:40:05.918: D/dalvikvm(771): Note: class Landroid/app/ActivityManagerNative; has 163 unimplemented (abstract) methods 
11-27 15:40:05.948: I/ActivityManager(286): Force stopping package com.example.fmf appid=10048 user=-1 
11-27 15:40:05.959: I/ActivityManager(286): START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10000000 cmp=com.example.fmf/.MainActivity} from pid 771 
11-27 15:40:06.328: I/WindowManager(286): Screenshot max retries 4 of Token{419849f0 ActivityRecord{41984880 u0 com.android.launcher/com.android.launcher2.Launcher}} appWin=Window{419646b0 u0 com.android.launcher/com.android.launcher2.Launcher} drawState=4 
11-27 15:40:06.328: W/WindowManager(286): Screenshot failure taking screenshot for (480x800) to layer 21000 
11-27 15:40:06.338: D/AndroidRuntime(771): Shutting down VM 
11-27 15:40:06.348: D/dalvikvm(771): GC_CONCURRENT freed 92K, 16% free 513K/608K, paused 1ms+0ms, total 11ms 
11-27 15:40:06.358: D/AlertService(549): No fired or scheduled alerts 
11-27 15:40:06.388: W/dalvikvm(783): PR_CAPBSET_DROP 0 failed: Invalid argument. Please make sure your kernel is compiled with file capabilities support enabled. 
11-27 15:40:06.388: W/dalvikvm(783): PR_CAPBSET_DROP 1 failed: Invalid argument. Please make sure your kernel is compiled with file capabilities support enabled.

来源

2013-11-27 user3028988

请发布堆栈跟踪 – Emmanuel

发布'LogCat' – Rick

查找了跟踪文件错误，但发现它通常是由'setContentView（R.layout.activity_main）'引起的;'在错误的地方，但我很确定它在适合我的地方？ – user3028988

没有堆栈跟踪可能很难说。从我看到你有两个可能的罪魁祸首。

首先

Bundle extras = getIntent().getExtras(); 
public final String ID_CITY = extras.getString("CITY_TH");

在你的搜索类，你正试图从包中获取数据。但是在你的MainActivity.goMenu（）中，你没有传入一个包。这可能会导致NULLPOINTEREXCEPTION

二

setupActionBar();

请尝试评论说出来你Search.class和看到的结果是什么。我无法从清单中看到您的主题。所以你甚至可能没有可能导致崩溃的操作栏。所以，如果注释掉上述工程线路，以下内容添加到您的清单：

变化：

android:theme="@style/AppTheme"

要：

android:theme="@android:style/Theme.Holo"

，看看是否可行。

来源

2013-11-27 19:16:19 Brianjs

打败我吧。绝对值得评论这两行，看看问题是否消失。 – Squonk

此外，一旦这些工作，他们应该被移动像一个方法像'onCreate（）' – codeMagic

我一直在试图将清单更改为'android：theme =“@ style/Theme.Holo”'但我保持发现没有找到资源的错误？ @Brianjs – user3028988

的问题应该是这样的：

button.setOnClickListener(new OnClickListener() { 
     @Override 
     public void onClick(View arg0) { 
       goMenu(); 
     } 

    }); 
} 


public void goMenu() 
{ 
    Intent myIntent = new Intent(this, Search.class); 
    startActivity(myIntent); 
}

刚刚尝试替换此：

button.setOnClickListener(new View.OnClickListener() { 
     @Override 
     public void onClick(View view) { 
      Intent myIntent = new Intent(MainActivity.this,Search.class); 
      MainActivity.this.startActivity(myIntent); 

     } 
    });

希望它可以帮助你。

来源

2013-11-27 20:25:09 Rick

谢谢，但我最初有你的建议，并将其更改为当前的一个试图解决问题，所以我不认为这是它（虽然你的可能更好）。 @ user2675569 – user3028988

Android应用程序不断崩溃按钮点击

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