Question

编译时，Eclipse IDE中没有显示错误。但是当我运行它时，它会一直崩溃。为什么？

我不知道该怎么办，因为没有错误显示。它只是在它开始之前运行和压碎。

public class MainActivity extends Activity implements OnClickListener,
        OnInitListener {

    private TextToSpeech tts;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tts = new TextToSpeech(this, this);
        this.initializeTextToSpeech("Hello World");
    }

    @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;
    } 

    @Override
    protected void onDestroy() {
        if (tts != null) {
            tts.stop();
            tts.shutdown();
        }
        super.onDestroy();
    }

    @Override
    public void onInit(int status) {
        // TODO Auto-generated method stub
        if (status == TextToSpeech.SUCCESS) {
            tts.setLanguage(Locale.getDefault());

        } else {
            tts = null;
            Toast.makeText(this, "Failed to initialize TTS engine.",
                    Toast.LENGTH_SHORT).show();
        }
        Log.d("onINIT", "started");
    }

    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
    }

    public void initializeTextToSpeech(String str) {
        if (tts != null) {
            String text = str;
            if (text != null) {
                if (!tts.isSpeaking()) {
                    tts.speak(text, TextToSpeech.QUEUE_FLUSH, null);
                }
            }
        }
    }
}

这是我的LogCat：

12-21 01:53:07.698: I/Process(1467): Sending signal. PID: 1467 SIG: 9 
12-21 01:53:07.870: E/Trace(1656): error opening trace file: No such file or directory (2) 
12-21 01:53:07.962: D/AndroidRuntime(1656): Shutting down VM 
12-21 01:53:07.962: W/dalvikvm(1656): threadid=1: thread exiting with uncaught exception (group=0xa61d2908)
12-21 01:51:16.462: E/AndroidRuntime(1467): FATAL EXCEPTION: main 
12-21 01:51:16.462: E/AndroidRuntime(1467): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.testapp.testapp/com.testapp.testapp.MainActivity}: java.lang.RuntimeException: Binary XML file line #11: You must supply a layout_width attribute. 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2180) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.app.ActivityThread.access$600(ActivityThread.java:141) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.os.Handler.dispatchMessage(Handler.java:99) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.os.Looper.loop(Looper.java:137) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.app.ActivityThread.main(ActivityThread.java:5041) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at java.lang.reflect.Method.invokeNative(Native Method) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at java.lang.reflect.Method.invoke(Method.java:511) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at dalvik.system.NativeStart.main(Native Method) 
12-21 01:51:16.462: E/AndroidRuntime(1467): Caused by: java.lang.RuntimeException: Binary XML file line #11: You must supply a layout_width attribute. 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.content.res.TypedArray.getLayoutDimension(TypedArray.java:491) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.view.ViewGroup$LayoutParams.setBaseAttributes(ViewGroup.java:5614) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.view.ViewGroup$MarginLayoutParams.<init>(ViewGroup.java:5756) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.widget.RelativeLayout$LayoutParams.<init>(RelativeLayout.java:1190) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.widget.RelativeLayout.generateLayoutParams(RelativeLayout.java:1028) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.widget.RelativeLayout.generateLayoutParams(RelativeLayout.java:70) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:748) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.view.LayoutInflater.inflate(LayoutInflater.java:489) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.view.LayoutInflater.inflate(LayoutInflater.java:396) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.view.LayoutInflater.inflate(LayoutInflater.java:352) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:270) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.app.Activity.setContentView(Activity.java:1881) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at com.testapp.testapp.MainActivity.onCreate(MainActivity.java:23) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.app.Activity.performCreate(Activity.java:5104) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144) 
12-21 01:51:16.462: E/AndroidRuntime(1467):     ... 11 more

我的代码基于此：

http://www.techrepublic.com/blog/software-engineer/teach-your-next-android-app-to-speak/

Answer 1

您的错误原因在于LogCat：

Binary XML file line #11: You must supply a layout_width attribute.

在您在应用程序中引用的其中一个布局中，您没有定义layout_width属性。定义它，错误就会消失。

Android App崩溃，但源代码显示没有错误

1 个答案: