主Activity代码如下:
package gcl.android;import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.Window;public class YuanLoveActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.main);
} /* (non-Javadoc)
* @see android.app.Activity#onCreateOptionsMenu(android.view.Menu)
*/
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// TODO Auto-generated method stub
MenuInflater inflater = new MenuInflater(this);
inflater.inflate(R.menu.nemu, menu);
return super.onCreateOptionsMenu(menu);
} /* (non-Javadoc)
* @see android.app.Activity#onOptionsItemSelected(android.view.MenuItem)
*/
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// TODO Auto-generated method stub
switch(item.getItemId()){
case R.id.about:
//Toast.makeText(YuanLoveActivity.this, R.string.retail, 90000).show();
//如何点击该选项可以切换到另一个Activity
Intent intent = new Intent(YuanLoveActivity.this,About.class);
startActivity(intent);
}
return super.onOptionsItemSelected(item);
}
}
错误提示是:Intent intent = new Intent(YuanLoveActivity.this,About.class) 中YuanLoveActivity.this错误。
package gcl.android;import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.Window;public class YuanLoveActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.main);
} /* (non-Javadoc)
* @see android.app.Activity#onCreateOptionsMenu(android.view.Menu)
*/
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// TODO Auto-generated method stub
MenuInflater inflater = new MenuInflater(this);
inflater.inflate(R.menu.nemu, menu);
return super.onCreateOptionsMenu(menu);
} /* (non-Javadoc)
* @see android.app.Activity#onOptionsItemSelected(android.view.MenuItem)
*/
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// TODO Auto-generated method stub
switch(item.getItemId()){
case R.id.about:
//Toast.makeText(YuanLoveActivity.this, R.string.retail, 90000).show();
//如何点击该选项可以切换到另一个Activity
Intent intent = new Intent(YuanLoveActivity.this,About.class);
startActivity(intent);
}
return super.onOptionsItemSelected(item);
}
}
错误提示是:Intent intent = new Intent(YuanLoveActivity.this,About.class) 中YuanLoveActivity.this错误。
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货