Android Mainactivity不顯示activity_main.xml

Question

在activity_main.xml更改了部分應用程序設計並啟動應用程序后， MainActivity類設計不會更改。 在我將工作空間從平板電腦更改為Android手機后，我嘗試更改設計，並且設計不適合手機上的圖像視圖太大而且它們填滿了所有手機屏幕的任何建議如何使其適合手機？

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/bg_1"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.flagsgame.MainActivity" >

<LinearLayout
    android:id="@+id/linearLayout1"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal" >

    <Button
        android:id="@+id/start_btn"
        android:layout_width="295dp"
        android:layout_height="wrap_content"
        android:text="@string/start_game" />
</LinearLayout>

<Button
    android:id="@+id/reguler"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignLeft="@+id/linearLayout1"
    android:layout_alignRight="@+id/linearLayout1"
    android:layout_below="@+id/linearLayout1"
    android:text="Classic Mode"
    android:visibility="invisible" />

<Button
    android:id="@+id/time"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignLeft="@+id/reguler"
    android:layout_alignRight="@+id/reguler"
    android:layout_below="@+id/reguler"
    android:text="Time Attack Maddness" 
    android:visibility="invisible"/>

public class MainActivity extends Activity implements OnClickListener {

private static final String TAG = "Flagss Game" ;//יצירת טאג למשחק לשימוש בםונקציות כמו exception

Button start;
Button time;
Button reguler;
DatabaseHandler db = new DatabaseHandler(this);

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    //List<Flagss> arrAdd= new ArrayList<Flagsss>();

    start = (Button)findViewById(R.id.start_btn);
    time = (Button)findViewById(R.id.time);
    reguler = (Button)findViewById(R.id.reguler);
    start.setOnClickListener(this);
    db = new DatabaseHandler(this);

    creat_rows();
}

/*
//קבלת התמונות
private void pic_view(String pic2) {

    // TODO Auto-generated method stub

    //Log.d("Result from pic function " , pic2);
    ImageView imageView = (ImageView)findViewById(R.id.imageView1);
    String uri ="@drawable/";
    uri += pic2;
    int imageResource = getResources().getIdentifier(uri, null, getPackageName());
    Drawable res= getResources().getDrawable(imageResource);
    imageView.setImageDrawable(res);

}*/

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
}

@Override
public void onClick(View v) {
    // TODO Auto-generated method stub
    start.setVisibility(start.INVISIBLE);
    time.setVisibility(time.VISIBLE);
    reguler.setVisibility(reguler.VISIBLE);

    //Intent s = new Intent(this,ClassicMode.class);
    //startActivity(s);

    reguler.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            Intent cm = new Intent(MainActivity.this,ClassicMode.class);
            //Intent c = new Intent(MainActivity.class ,ClassicMode.class);
            startActivity(cm); 
        }
    });

    time.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub
            Intent tm = new Intent(MainActivity.this,TimeAttack.class);
            startActivity(tm);
            Log.d(TAG, "inside time");
        }
    });
}

Answer 1

請確保已將activity_main.xml文件保存在正確的布局目錄中。 您可能已將其更改為另一種布局。 因此，請驗證項目中的所有activity_main.xml。