P001) 算数アプリ(#2) : レイアウトまで

構成

• Main
• MyHeader
• MyContents
• MyInputPanel
  • NumberTable
  • SubLinear
• MyHeader

Main.java

package com.efolab.MainActivity;



import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.LinearLayout;

public class Main extends Activity {
	Context context;
	LinearLayout baseLayout;
	LinearLayout.LayoutParams params;
	
	
	private final int 
		FP = ViewGroup.LayoutParams.FILL_PARENT,
		WC = ViewGroup.LayoutParams.WRAP_CONTENT;
	
	
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		context = getApplicationContext();
		baseLayout = new LinearLayout(context);
		baseLayout.setOrientation(LinearLayout.VERTICAL);
		setContentView(baseLayout);


		// subLayout
		LinearLayout[] _contents = { 
				new MyHeader(context) ,
				new MyContents(context),
				new MyInputPanel(context), 
				new MyFooter(context)
		};
		int[][] _params = { { FP, WC }, { FP, 0 }, { FP, WC }, { FP, WC } };
		float[] _weight = { 0, 1.0f, 0 , 0 };
		for (int i = 0; i < _contents.length; i++) {

			params = new LinearLayout.LayoutParams(_params[i][0], _params[i][1]);
			params.weight = _weight[i];
			
			baseLayout.addView(_contents[i], params);
			
		}

	}
	public static OnClickListener l = new OnClickListener(){
		
		@Override
		public void onClick(View v) {
			// TODO Auto-generated method stub
			Log.v("OnClick",""+v.getTag());
			MyContents.changeContentsText(""+v.getTag());
		}
		
	};
	
}

MyHeader.java

package com.efolab.MainActivity;

import android.content.Context;
import android.widget.LinearLayout;
import android.widget.TextView;
/**
 * @author kamogashiratsuyoshi
 *
 */
public class MyHeader extends LinearLayout{

	public MyHeader(Context context) {
		super(context);
		// TODO Auto-generated constructor stub
		
		TextView tv = new TextView(context);
		tv.setText("HEADER");
		
		this.addView(tv);
	}

}

MyContents.java

package com.efolab.MainActivity;

import android.content.Context;
import android.widget.LinearLayout;
import android.widget.TextView;

public class MyContents extends LinearLayout {
	static TextView tv;
	public MyContents(Context context) {
		super(context);
		// TODO Auto-generated constructor stub
		
		 tv = new TextView(context);
		 this.addView(tv);
		
	}
	public static void changeContentsText(String str){
		tv.setText(str);
	}

}

MyInputPanel.java

package com.efolab.MainActivity;

import android.content.Context;
import android.graphics.Color;
import android.util.Log;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TableLayout;

import com.efolab.MainActivity.InputPanel.NumberTable;
import com.efolab.MainActivity.InputPanel.SubLinear;

public class MyInputPanel extends LinearLayout {
	@SuppressWarnings("unused")
	private static final int 
	WC = ViewGroup.LayoutParams.WRAP_CONTENT,
	FP = ViewGroup.LayoutParams.FILL_PARENT;
	public MyInputPanel(Context context) {
		super(context);
		
		Log.v("height","height="+this.getHeight());
	    this.setBackgroundColor(Color.GRAY);
		
		TableLayout tableLeft = new NumberTable(context);
		LinearLayout.LayoutParams lpLeft = new LinearLayout.LayoutParams(0 , FP);
		lpLeft.weight = 0.6f;
		this.addView(tableLeft , lpLeft);
		
		
	    /*
	     * 右側へクリアとOKのボタンを配置する
	     */
	    LinearLayout linearRight = new SubLinear(context);
	    LinearLayout.LayoutParams lpRight = new LinearLayout.LayoutParams(0 , FP);
	    lpRight.weight = 0.4f;
	    this.addView(linearRight , lpRight);
	    
	    

	}

		
}

NumberTable.java

package com.efolab.MainActivity.InputPanel;

import android.content.Context;
import android.view.Gravity;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TableLayout;
import android.widget.TableRow;

import com.efolab.MainActivity.Main;

public class NumberTable extends TableLayout{
	private static final int 
	WC = ViewGroup.LayoutParams.WRAP_CONTENT,
	FP = ViewGroup.LayoutParams.FILL_PARENT;
	public NumberTable(Context context) {
		super(context);
		//XXX thisはTableLayout
	    
	    /*
	     * TableLayolutの内容をセットする
	     */
	    
	    //1行目から3行目まで
	    Button[] buttons = new Button[9];
	    final int iMaxRow = 3;
	    final int iMaxCol = 3;
	    int index = 0;
	    for(int iRow=0;iRow<iMaxRow;iRow++){
	    	TableRow row = new TableRow(context);
	    	for(int iCol = 0;iCol<iMaxCol;iCol++){
	    		String value = ""+(index+1) % 10;
	    		//Buttonインスタンス
	    		buttons[index] = new Button(context);
	    		buttons[index].setText(value);
	    		buttons[index].setTag(value);
	    		//listener set
	    		buttons[index].setOnClickListener(Main.l);
	    		row.addView(buttons[index]);
	    		//buttons layout
	    		TableRow.LayoutParams _params = new TableRow.LayoutParams(0 , FP);
	    		_params.weight = 0.33f;
	    		buttons[index].setLayoutParams(_params);
	    		buttons[index].setGravity(Gravity.CENTER);
	    		
	    		index++;
	    	}
	    	this.addView(row);
	    	
	    }
	    //4行目に追加
	    TableRow row_4 = new TableRow(context);
	    Button btn_0 = new Button(context);
	    btn_0.setText("0");
	    btn_0.setTag("0");
	    row_4.addView(btn_0);
	    this.addView(row_4);
	    TableRow.LayoutParams lpRow_4 = new TableRow.LayoutParams(0 , WC);
	    lpRow_4.weight = 1.0f;	//横幅をいっぱいに
	    btn_0.setLayoutParams(lpRow_4);
	    
	    //listener
	    btn_0.setOnClickListener(Main.l);

	}

}

SubLinear.java

package com.efolab.MainActivity.InputPanel;

import android.content.Context;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.LinearLayout;

import com.efolab.MainActivity.Main;

public class SubLinear extends LinearLayout{
	@SuppressWarnings("unused")
	private static final int 
	WC = ViewGroup.LayoutParams.WRAP_CONTENT,
	FP = ViewGroup.LayoutParams.FILL_PARENT;
	public SubLinear(Context context) {
		super(context);
		// TODO Auto-generated constructor stub
		
		LinearLayout.LayoutParams lpLinear;
		this.setOrientation(LinearLayout.VERTICAL);
		
	    Button btn_cls = new Button(context);
	    btn_cls.setText("けす");
	    //LayoutParams インスタンス生成（1）
	    lpLinear = new LinearLayout.LayoutParams(FP,0);
	    lpLinear.weight = 0.25f;
	    this.addView(btn_cls ,lpLinear);
	    
	    Button btn_ok = new Button(context);
	    btn_ok.setText("こたえ");
	    //LayoutParams インスタンス生成(2) --それぞれにインスタンス生成必要
	    lpLinear = new LinearLayout.LayoutParams(FP,0);
	    lpLinear.weight = 0.75f;
	    this.addView(btn_ok, lpLinear);
	    
	    
	    //setTag
	    btn_cls.setTag("clear");
	    btn_ok.setTag("ok");
	    //set Listener
	    btn_cls.setOnClickListener(Main.l);
	    btn_ok.setOnClickListener(Main.l);
	}

}

MyFooter.java

package com.efolab.MainActivity;

import android.content.Context;
import android.widget.LinearLayout;
import android.widget.TextView;

public class MyFooter extends LinearLayout {

	public MyFooter(Context context) {
		super(context);
		// TODO Auto-generated constructor stub
		
		TextView tv = new TextView(context);
		tv.setText("Footer");
		
		this.addView(tv);
	}

}