1 package com.android.test.layout; 2 3 import android.app.Activity; 4 import android.content.Context; 5 import android.os.Build; 6 import android.os.Bundle; 7 import android.view.Gravity; 8 import android.view.View; 9 import android.widget.Button; 10 import android.widget.GridLayout; 11 import android.widget.TextView; 12 13 import static android.widget.GridLayout.LayoutParams; 14 import static android.widget.GridLayout.LAYOUT_MODE_OPTICAL_BOUNDS; 15 16 public class LayoutInsetsTest extends Activity { 17 static int[] GRAVITIES = {Gravity.LEFT, Gravity.LEFT, Gravity.CENTER_HORIZONTAL, Gravity.RIGHT, Gravity.RIGHT}; 18 create(Context context)19 public static View create(Context context) { 20 final int N = GRAVITIES.length; 21 22 GridLayout p = new GridLayout(context); 23 p.setUseDefaultMargins(true); 24 //p.setAlignmentMode(ALIGN_BOUNDS); 25 p.setLayoutMode(LAYOUT_MODE_OPTICAL_BOUNDS); 26 27 p.setColumnCount(N); 28 29 for (int i = 0; i < 2*N; i++) { 30 View c; 31 if (i % 2 == 0) { 32 TextView tv = new TextView(context); 33 tv.setTextSize(32); 34 tv.setText("A"); 35 c = tv; 36 } else { 37 Button b = new Button(context); 38 b.setBackgroundResource(R.drawable.btn_default_normal); 39 b.setText("B"); 40 c = b; 41 } 42 43 LayoutParams lp = new LayoutParams(); 44 lp.setGravity(GRAVITIES[(i % N)]); 45 p.addView(c, lp); 46 47 } 48 49 50 return p; 51 } 52 onCreate(Bundle savedInstanceState)53 protected void onCreate(Bundle savedInstanceState) { 54 super.onCreate(savedInstanceState); 55 //getApplicationInfo().targetSdkVersion = Build.VERSION_CODES.ICE_CREAM_SANDWICH; 56 getApplicationInfo().targetSdkVersion = Build.VERSION_CODES.JELLY_BEAN; 57 setContentView(create(this)); 58 } 59 } 60