我在我的活动中使用onPause方法,但是我收到以下错误:
Syntax error, insert ";"to complete LocalVariableDeclarationStatement
void is an invalid type for the variable onPause
代码:
public class MusicActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_music);
final MediaPlayer MP = MediaPlayer.create(MusicActivity.this, R.raw.burntumber);
Button burntumberPlay = (Button) findViewById(R.id.start1Button);
burntumberPlay.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
MP.start();
}
});
Button burntumberStop = (Button) findViewById(R.id.stop1Button);
burntumberStop.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
MP.pause();
MP.seekTo(0);
}
});
@Override
protected void onPause{
super.onPause();
MP.stop();
MP.release();
};
}
}
编辑:
public class MusicActivity extends Activity {
MediaPlayer MP = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_music);
MP = MediaPlayer.create(MusicActivity.this, R.raw.burntumber);
Button burntumberPlay = (Button) findViewById(R.id.start1Button);
burntumberPlay.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
MP.start();
}
});
Button burntumberStop = (Button) findViewById(R.id.stop1Button);
burntumberStop.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//MP.stop(); //won't restart when start() is run again
MP.pause();
//MP.seekTo(0);
}
});
}
@Override
protected void onPause{
super.onPause();
MP.stop();
MP.release();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.music, menu);
return true;
}
}
错误:
Syntax error, insert ";" to complete FieldDeclaration
The annotation @Override is disallowed for this location
void is an invalid type for the variable onPause
答案 0 :(得分:2)
您的方法位于onCreate()
内并且有一个“;”在它的最后。这是一个单独的方法,所以不应该在方法中。
public class MusicActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_music);
// onCreate() code
}
@Override
protected void onPause{
super.onPause();
MP.stop();
MP.release();
}
修改强>
您还缺少onPause()
方法的“()”。这就是Eclipse认为它是Field而不是方法的原因。将其更改为
@Override
protected void onPause(){ // missing the parenthesis here
super.onPause();
MP.stop();
MP.release();
}
答案 1 :(得分:0)
在onPause方法结束时删除SemiColon
protected void onPause{
super.onPause();
MP.stop();
MP.release();
}