2011-12-02 60 views
5

我想创建内部tablelayout并在那里添加1行2列,下面的代码不显示任何内容,为什么?动态创建tablelayout(android)

这里的主要活动:

public class TestActivity extends Activity { 
@Override 
public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.main); 
    LayoutParams params = new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT, 
      LayoutParams.WRAP_CONTENT); 
    TextView tv1 = new TextView(this); 
    TextView tv2=new TextView(this); 
    tv1.setLayoutParams(params); 
    tv2.setLayoutParams(params); 
    tv1.setText("Hello1!"); 
    tv2.setText("Hello2!"); 
    TableLayout layoutINNER = new TableLayout(this); 
    layoutINNER.setLayoutParams(params); 
    TableRow tr = new TableRow(this); 
    tr.setLayoutParams(params); 
    tr.addView(tv1); 
    tr.addView(tv2); 
    layoutINNER.addView(tr); 
    LinearLayout main = (LinearLayout)findViewById(R.id.android_main_layout); 
    main.addView(layoutINNER); 
} 
} 

XML:

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
android:id="@+id/android:main_layout" 
android:orientation="vertical" 
android:layout_width="fill_parent" 
android:layout_height="fill_parent" 
> 
</LinearLayout> 

UPDATE:

好了,我终于解决了这个问题,它只是需要使用TableRow.LayoutParams与TextViews,而不是LinearLayout.LayoutParams或其他一些

+0

您是否尝试过使用'TableLayout.LayoutParams',而不是你的'TextViews'和'TableRow'? – kaspermoerch

+0

我最近试过了,它也不起作用 – user1049280

+0

以下是您要找的内容:http://www.warriorpoint.com/blog/2009/07/01/android-creating-tablerow-rows-inside-一个-tablelayout-编程/ – OrhanC1

回答

2

这里是工作代码:

import android.app.Activity; 
import android.os.Bundle; 
import android.widget.LinearLayout; 
import android.widget.LinearLayout.LayoutParams; 
import android.widget.TableLayout; 
import android.widget.TableRow; 
import android.widget.TextView; 

public class TestActivity extends Activity { 
@Override 
public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_test); 
    LayoutParams params = new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT, 
      LayoutParams.WRAP_CONTENT); 
    TextView tv1 = new TextView(this); 
    TextView tv2=new TextView(this); 
    android.widget.TableRow.LayoutParams trparams = new TableRow.LayoutParams(android.widget.TableRow.LayoutParams.WRAP_CONTENT, android.widget.TableRow.LayoutParams.WRAP_CONTENT); 
    tv1.setLayoutParams(trparams); 
    tv2.setLayoutParams(trparams); 
    tv1.setText("Hello1!"); 
    tv2.setText("Hello2!"); 
    TableLayout layoutINNER = new TableLayout(this); 
    layoutINNER.setLayoutParams(params); 
    TableRow tr = new TableRow(this); 

    tr.setLayoutParams(params); 
    tr.addView(tv1); 
    tr.addView(tv2); 
    layoutINNER.addView(tr); 
    LinearLayout main = (LinearLayout)findViewById(R.id.android_main_layout); 
    main.addView(layoutINNER); 
} 
}