如何在我的android应用程序中添加选项菜单?
我正在尝试在我的android应用程序中添加一个选项菜单。但我不知道当我运行it强制关闭时我有什么问题,当我搜索我的日志时,有很多错误我不理解。我正在学习android,所以我的经验很差 请查看我的代码并告诉我有什么问题如何在我的android应用程序中添加选项菜单?,android,android-activity,Android,Android Activity,我正在尝试在我的android应用程序中添加一个选项菜单。但我不知道当我运行it强制关闭时我有什么问题,当我搜索我的日志时,有很多错误我不理解。我正在学习android,所以我的经验很差 请查看我的代码并告诉我有什么问题 import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.widget.Toa
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;
public class MainActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.item1:
Toast.makeText(this, "Option1", Toast.LENGTH_SHORT).show();
return true;
break;
case R.id.item2:
Toast.makeText(this, "Option2", Toast.LENGTH_SHORT).show();
return true;
break;
case R.id.item3:
Toast.makeText(this, "Option3", Toast.LENGTH_SHORT).show();
return true;
break;
case R.id.item4:
Toast.makeText(this, "Option4", Toast.LENGTH_SHORT).show();
return true;
break;
case R.id.item5:
Toast.makeText(this, "Option5", Toast.LENGTH_SHORT).show();
return true;
break;
case R.id.item6:
Toast.makeText(this, "Option6", Toast.LENGTH_SHORT).show();
return true;
break;
default:
return super.onOptionsItemSelected(item);
}
}
}
使用这将有助于您消除中断
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;
public class MainActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.item1:
Toast.makeText(this, "Option1", Toast.LENGTH_SHORT).show();
return true;
case R.id.item2:
Toast.makeText(this, "Option2", Toast.LENGTH_SHORT).show();
return true;
case R.id.item3:
Toast.makeText(this, "Option3", Toast.LENGTH_SHORT).show();
return true;
case R.id.item4:
Toast.makeText(this, "Option4", Toast.LENGTH_SHORT).show();
return true;
case R.id.item5:
Toast.makeText(this, "Option5", Toast.LENGTH_SHORT).show();
return true;
case R.id.item6:
Toast.makeText(this, "Option6", Toast.LENGTH_SHORT).show();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}
使用这将有助于您消除中断
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;
public class MainActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.item1:
Toast.makeText(this, "Option1", Toast.LENGTH_SHORT).show();
return true;
case R.id.item2:
Toast.makeText(this, "Option2", Toast.LENGTH_SHORT).show();
return true;
case R.id.item3:
Toast.makeText(this, "Option3", Toast.LENGTH_SHORT).show();
return true;
case R.id.item4:
Toast.makeText(this, "Option4", Toast.LENGTH_SHORT).show();
return true;
case R.id.item5:
Toast.makeText(this, "Option5", Toast.LENGTH_SHORT).show();
return true;
case R.id.item6:
Toast.makeText(this, "Option6", Toast.LENGTH_SHORT).show();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}