2013年8月14日星期三

android Menu settings, click No error prompt reaction , solution

package com.example.tracker;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.ListView;

public class MainActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ListView listView = (ListView)findViewById(R.id.times_list);
TimeTrackerAdapter timeTrackerAdapter = new TimeTrackerAdapter();
listView.setAdapter(timeTrackerAdapter);
}

@Override
public boolean onCreateOptionsMenu(Menu menu)
{
// Inflate the menu; this adds items to the action bar if it is present.

MenuInflater menuInflater = getMenuInflater();
menuInflater.inflate(R.menu.main, menu);
return super.onCreateOptionsMenu(menu);

}
public boolean onMenuItemSeletced(int featureId, MenuItem item)
{
if (item.getItemId() == R.id.add_time_menu_item)
{
Intent intent = new Intent(this, AddTimeActivity.class);
startActivity(intent);
}
return true;
}

}



package com.example.tracker;

import android.app.Activity;
import android.os.Bundle;

public class AddTimeActivity extends Activity {

public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.add_time);
}
}


<LinearLayout 
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical">

    <TextView android:text="Time"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp" />
    <EditText android:id="@+id/time_view"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="10dp"/>
    <TextView android:text="Notes"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="10dp" />
    <EditText android:id="@+id/notes_view"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:gravity="top"
        android:layout_weight="1"
        android:layout_marginBottom="10dp"/>
   
    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_weight="0"
        android:background="#FF8D8D8D"
        android:gravity="center_horizontal">
       
        <Button android:text="Save"
            android:onClick="onSave"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
        <Button android:text="Cancel"
            android:onClick="onCancel"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"/>
           
       
    </LinearLayout>
       
</LinearLayout>



<menu xmlns:android="http://schemas.android.com/apk/res/android" >

    <item android:id="@+id/add_time_menu_item"
        android:title="Add" />
    <item android:id="@+id/action_settings"
        android:title="@string/action_settings"/>
   

</menu>


<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.tracker"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="16" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.tracker.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="com.example.tracker.AddTimeActivity"></activity>
    </application>
   
   

</manifest>



Logcat prompted two Warning ~ ~
08-04 18:25:53.727: W / ResourceType (1266): No package identifier when getting value for resource number 0x00000000
08-04 18:25:53.727: W / PackageManager (1266): Failure retrieving resources forcom.example.tracker: Resource ID # 0x0

------ Solution ------------------------------------ --------
onMenuItemSeletced did not go in it , hit a breakpoint to see.
preceded by the @ Override try .
------ For reference only -------------------------- -------------


again override a bit , add the @ override it really can be a ~ ~ ~
But in the end because Shane ?

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