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現在我正試圖在屏幕上顯示一些文本,但我的項目沒有啓動,我找不到準確的原因。有沒有人遇到過這種情況?無法在模擬器上午餐android項目
在這裏,我給你詳細爲您reference.please每一件事情在下面找到
logcat的
08-13 16:02:58.823: D/AndroidRuntime(336): >>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<
08-13 16:02:58.823: D/AndroidRuntime(336): CheckJNI is ON
08-13 16:02:58.953: D/AndroidRuntime(336): --- registering native functions ---
08-13 16:02:59.483: D/AndroidRuntime(336): Shutting down VM
08-13 16:02:59.483: D/dalvikvm(336): Debugger has detached; object registry had 1 entries
08-13 16:02:59.522: I/AndroidRuntime(336): NOTE: attach of thread 'Binder Thread #3' failed
控制檯
[2012-08-13 15:50:55 - print_testing] ------------------------------
[2012-08-13 15:50:55 - print_testing] Android Launch!
[2012-08-13 15:50:55 - print_testing] adb is running normally.
[2012-08-13 15:50:55 - print_testing] No Launcher activity found!
[2012-08-13 15:50:55 - print_testing] The launch will only sync the application package on the device!
[2012-08-13 15:50:55 - print_testing] Performing sync
[2012-08-13 15:50:55 - print_testing] Automatic Target Mode: using existing emulator 'emulator-5554' running compatible AVD 'Android22-API-8'
[2012-08-13 15:50:56 - print_testing] Application already deployed. No need to reinstall.
[2012-08-13 15:50:56 - print_testing] \print_testing\bin\print_testing.apk installed on device
[2012-08-13 15:50:56 - print_testing] Done!
DisplayActivity.java
public class DisplayActivity extends Activity
{
EditText edt1,edt2;
Button btn;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main1);
edt1 = (EditText)findViewById(R.id.editText1);
edt2 = (EditText)findViewById(R.id.editText2);
Button btn = (Button)findViewById(R.id.button1);
btn.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
if(edt1.getText().toString().equals("4545"))
{
String newLine = System.getProperty("line.separator");
System.out.println("Student name : Karan" + newLine + "Total no of Working days : 25"
+ newLine +"Total no of present days : 23 " + newLine + "Total no of Absent days : 2");
}
}
});
}
}
AndroidManifest.xml中
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.print.testing"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8" android:targetSdkVersion="15" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name">
<activity
android:name=".DisplayActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN1" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
看看你有你的清單文件使用'android.intent.action.MAIN1'爲什麼這樣呢?它應該是'android.intent.action.MAIN' – Akshay 2012-08-13 10:45:16