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AirPlane ToggleButton？(AirPlane ToggleButton?)

 我正在尝试使用ToggleButton来打开和关闭AirPlane模式。 我不知道该怎么做。 
 

 我的权限是： 
 

<uses-permission android:name="android.permission.WRITE_SETTINGS"/>
<uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS"/>

 

 我的.XML文件如下所示： 
 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView  
android:layout_width="fill_parent" 
android:layout_height="wrap_content" 
android:text="@string/hello"
/>
<ToggleButton  
android:id="@+id/Toggle" 
android:layout_width="wrap_content" 
android:layout_height="wrap_content"
android:textOn="On"
android:textOff="Off">
</ToggleButton>
</LinearLayout>

 

 我的Java有这个用于切换按钮： 
 

AirToggle = (ToggleButton) findViewById(R.id.Toggle);
    AirToggle.setOnClickListener(new OnClickListener(){
        public void onClick(View v){

        if (((ToggleButton)v).isChecked()){
            boolean isEnabled = Settings.System.getInt(context.getContentResolver(),Settings.System.AIRPLANE_MODE_ON, 0) == 1;
            if(isEnabled == false)
            {
            Settings.System.putInt(context.getContentResolver(),Settings.System.AIRPLANE_MODE_ON,1);                                Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
            intent.putExtra("state", 1);
            context.sendBroadcast(intent);
            }

            IntentFilter intentFilter = new IntentFilter("android.intent.action.SERVICE_STATE");

            BroadcastReceiver receiver = new BroadcastReceiver() {
                  @Override
                  public void onReceive(Context context, Intent intent) {
                        Log.d("AirplaneMode", "Service state changed");
                  }
            };

            context.registerReceiver(receiver, intentFilter);


            }

    };
});

 

 } 
 

 更新：这是我的日志cat错误，如果这有帮助。 
 

04-19 18:43:24.264: ERROR/AndroidRuntime(233): ERROR: thread attach failed

04-19 18:43:25.933: ERROR/AndroidRuntime(241): ERROR: thread attach failed

04-19 18:43:31.543: ERROR/AndroidRuntime(248): Uncaught handler: thread main exiting due         to uncaught exception

04-19 18:43:31.553: ERROR/AndroidRuntime(248): java.lang.NullPointerException

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at      com.simple.armor.SimpleArmor$1.onClick(SimpleArmor.java:30)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.View.performClick(View.java:2364)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.widget.CompoundButton.performClick(CompoundButton.java:98)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.View.onTouchEvent(View.java:4179)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.widget.TextView.onTouchEvent(TextView.java:6541)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.View.dispatchTouchEvent(View.java:3709)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1659)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1107)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.app.Activity.dispatchTouchEvent(Activity.java:2061)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1643)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.ViewRoot.handleMessage(ViewRoot.java:1691)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.os.Handler.dispatchMessage(Handler.java:99)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.os.Looper.loop(Looper.java:123)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.app.ActivityThread.main(ActivityThread.java:4363)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at java.lang.reflect.Method.invokeNative(Native Method)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at java.lang.reflect.Method.invoke(Method.java:521)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at dalvik.system.NativeStart.main(Native Method)

04-19 18:43:31.573: ERROR/dalvikvm(248): Unable to open stack trace file '/data/anr/traces.txt': Permission denied

 

 请帮忙。 
 

 -谢谢。 

I am trying to use a ToggleButton to switch AirPlane mode on and off. I am not sure how to go about this.
 

My permissions are:
 

<uses-permission android:name="android.permission.WRITE_SETTINGS"/>
<uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS"/>

 

My .XML file looks like this:
 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView  
android:layout_width="fill_parent" 
android:layout_height="wrap_content" 
android:text="@string/hello"
/>
<ToggleButton  
android:id="@+id/Toggle" 
android:layout_width="wrap_content" 
android:layout_height="wrap_content"
android:textOn="On"
android:textOff="Off">
</ToggleButton>
</LinearLayout>

 

My Java has this for the toggle button:
 

AirToggle = (ToggleButton) findViewById(R.id.Toggle);
    AirToggle.setOnClickListener(new OnClickListener(){
        public void onClick(View v){

        if (((ToggleButton)v).isChecked()){
            boolean isEnabled = Settings.System.getInt(context.getContentResolver(),Settings.System.AIRPLANE_MODE_ON, 0) == 1;
            if(isEnabled == false)
            {
            Settings.System.putInt(context.getContentResolver(),Settings.System.AIRPLANE_MODE_ON,1);                                Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
            intent.putExtra("state", 1);
            context.sendBroadcast(intent);
            }

            IntentFilter intentFilter = new IntentFilter("android.intent.action.SERVICE_STATE");

            BroadcastReceiver receiver = new BroadcastReceiver() {
                  @Override
                  public void onReceive(Context context, Intent intent) {
                        Log.d("AirplaneMode", "Service state changed");
                  }
            };

            context.registerReceiver(receiver, intentFilter);


            }

    };
});

 

}
 

UPDATE: This is my log cat errors if that helps.
 

04-19 18:43:24.264: ERROR/AndroidRuntime(233): ERROR: thread attach failed

04-19 18:43:25.933: ERROR/AndroidRuntime(241): ERROR: thread attach failed

04-19 18:43:31.543: ERROR/AndroidRuntime(248): Uncaught handler: thread main exiting due         to uncaught exception

04-19 18:43:31.553: ERROR/AndroidRuntime(248): java.lang.NullPointerException

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at      com.simple.armor.SimpleArmor$1.onClick(SimpleArmor.java:30)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.View.performClick(View.java:2364)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.widget.CompoundButton.performClick(CompoundButton.java:98)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.View.onTouchEvent(View.java:4179)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.widget.TextView.onTouchEvent(TextView.java:6541)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.View.dispatchTouchEvent(View.java:3709)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1659)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1107)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.app.Activity.dispatchTouchEvent(Activity.java:2061)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1643)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.view.ViewRoot.handleMessage(ViewRoot.java:1691)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.os.Handler.dispatchMessage(Handler.java:99)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.os.Looper.loop(Looper.java:123)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at android.app.ActivityThread.main(ActivityThread.java:4363)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at java.lang.reflect.Method.invokeNative(Native Method)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at java.lang.reflect.Method.invoke(Method.java:521)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)

04-19 18:43:31.553: ERROR/AndroidRuntime(248):     at dalvik.system.NativeStart.main(Native Method)

04-19 18:43:31.573: ERROR/dalvikvm(248): Unable to open stack trace file '/data/anr/traces.txt': Permission denied

 

Please help.
 

-Thanks.

原文：https://stackoverflow.com/questions/5718844
更新时间：2023-10-31 14:10

最满意答案

 而不是使用a ， b ... f ，我会使用CUser的std::vector （BTW，我不喜欢CUser作为类名）： 
 

std::vector<CUser> users;

 

 如果这是您关心用户的唯一订单，我CUser订购定义为CUser类的一部分： 
 

class CUser { 

    // ...
    bool operator<(CUser const &other) const { 
         return m_uEventKills < other.m_uEventKills;
    }
};

 

 然后，当您需要按正确顺序排序的用户时，您可以执行以下操作： 
 

std::sort(users.begin(), users.end());

 

 但是，您可能需要向CUser类添加一个ID号（或类似的东西）以跟踪哪个用户是哪个，而不管它们恰好在此刻排列的顺序。 
 

 编辑： 
 

 要将...中的int的值按升序获得到nHold ，您可能只想将它们插入现有的顺序，然后排序： 
 

nHold[0] = a;
nHold[1] = b;
//...
nHold[9] = j;

std::sort(nHold, nHold+9);


Instead of using a, b ...f, I'd use a std::vector of CUser (BTW, I don't like CUser as a class name):
 

std::vector<CUser> users;

 

If this is the only order you care about with respect to users, I'd define the ordering as part of the CUser class:
 

class CUser { 

    // ...
    bool operator<(CUser const &other) const { 
         return m_uEventKills < other.m_uEventKills;
    }
};

 

Then when you need the users sorted into the correct order, you can do:
 

std::sort(users.begin(), users.end());

 

You will, however, probably need to add an ID number (or something like that) to the CUser class to keep track of which user is which, regardless of the order in which they happen to be arranged at the moment.
 

Edit:
 

To just get the values of ints in a...j into nHold in ascending order, you probably want to just insert them in their existing order, then sort:
 

nHold[0] = a;
nHold[1] = b;
//...
nHold[9] = j;

std::sort(nHold, nHold+9);

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