2013年12月28日 星期六

透過FrameLayout 取代 AbsoluteLayout 範例

透過FrameLayout 取代 AbsoluteLayout 範例



 


由於本身程度很差，所以很喜歡AbsoluteLayout方式，但官網上又指出該Layout已經被...，所以開始爬文尋找替代方案，赫然發現有高手指出可以用FrameLayout 取代 AbsoluteLayout ，在喜出望外之於，趕緊寫一測試範例來實驗，確定可以之後，趕緊來PO出來，歡迎有興趣的同好，一起來C/P一下。


 


 









package com.example.framelayout_4button_full;

import com.example.framelayout_4button_full.MainActivity.ButListener;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
///////////////////////////////////////

import android.view.View;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Window;
import android.view.WindowManager;
import android.widget.AbsoluteLayout;
import android.widget.Button;
import android.widget.TextView;
import android.view.*;
import android.view.View.*;
import android.widget.*;
import android.view.ViewGroup.MarginLayoutParams;  
import android.app.ActionBar.LayoutParams;
import android.content.Context;

public class MainActivity extends Activity {
	Button[] bt;
	DisplayMetrics metrics;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		/////////////////////////////////////////
	    requestWindowFeature(Window.FEATURE_NO_TITLE);   //全螢幕設定
	    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, 
	    WindowManager.LayoutParams.FLAG_FULLSCREEN);
	    metrics = new DisplayMetrics();//抓取螢幕大小
	    getWindowManager().getDefaultDisplay().getMetrics(metrics);
		/////////////////////////////////////////
	    FrameLayout Fralayout = new FrameLayout(this);
	    FrameLayout.LayoutParams lparam = new FrameLayout.LayoutParams(metrics.widthPixels,metrics.heightPixels);
	    Fralayout.setLayoutParams(lparam);
	    this.setContentView(Fralayout);	
	    ////////////////////////////////////////
	    bt=new Button[4];
	    bt[0]=new Button(this);
	    bt[0].setText("0");
	    bt[0].setWidth(metrics.widthPixels/2);
	    bt[0].setHeight(metrics.heightPixels/2);
	    bt[0].setOnClickListener(new ButListener());
	    FrameLayout.LayoutParams layoutParams0 = new FrameLayout.LayoutParams(metrics.widthPixels/2, metrics.heightPixels/2);
	    layoutParams0.gravity = Gravity.LEFT|Gravity.TOP;
	    layoutParams0.leftMargin = 0;
	    layoutParams0.topMargin = 0;
	    bt[0].setLayoutParams(layoutParams0);
	    Fralayout.addView(bt[0]);

	    bt[1]=new Button(this);
	    bt[1].setText("1");
	    bt[1].setWidth(metrics.widthPixels/2);
	    bt[1].setHeight(metrics.heightPixels/2);
	    bt[1].setOnClickListener(new ButListener());
	    FrameLayout.LayoutParams layoutParams1 = new FrameLayout.LayoutParams(metrics.widthPixels/2, metrics.heightPixels/2);
	    layoutParams1.gravity = Gravity.LEFT|Gravity.TOP;
	    layoutParams1.leftMargin = metrics.widthPixels/2;
	    layoutParams1.topMargin = 0;
	    bt[1].setLayoutParams(layoutParams1);
	    Fralayout.addView(bt[1]);
	    
	    bt[2]=new Button(this);
	    bt[2].setText("2");
	    bt[2].setWidth(metrics.widthPixels/2);
	    bt[2].setHeight(metrics.heightPixels/2);
	    bt[2].setOnClickListener(new ButListener());
	    FrameLayout.LayoutParams layoutParams2 = new FrameLayout.LayoutParams(metrics.widthPixels/2, metrics.heightPixels/2);
	    layoutParams2.gravity = Gravity.LEFT|Gravity.TOP;
	    layoutParams2.leftMargin = 0;
	    layoutParams2.topMargin = metrics.heightPixels/2;
	    bt[2].setLayoutParams(layoutParams2);
	    Fralayout.addView(bt[2]);
	    
	    bt[3]=new Button(this);
	    bt[3].setText("3");
	    bt[3].setWidth(metrics.widthPixels/2);
	    bt[3].setHeight(metrics.heightPixels/2);
	    bt[3].setOnClickListener(new ButListener());
	    FrameLayout.LayoutParams layoutParams3 = new FrameLayout.LayoutParams(metrics.widthPixels/2, metrics.heightPixels/2);
	    layoutParams3.gravity = Gravity.LEFT|Gravity.TOP;
	    layoutParams3.leftMargin = metrics.widthPixels/2;
	    layoutParams3.topMargin = metrics.heightPixels/2;
	    bt[3].setLayoutParams(layoutParams3);
	    Fralayout.addView(bt[3]);
	}

	@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;
	}
	class ButListener implements OnClickListener
	{
		public void onClick(View v)
		{
			if(v==bt[0])
			{
				bt[0].setText("0 clicked...");
			}
			if(v==bt[1])
			{
				bt[1].setText("1 clicked...");
			}
			if(v==bt[2])
			{
				bt[2].setText("2 clicked...");
			}
			if(v==bt[3])
			{
				bt[3].setText("3 clicked...");
			}
		}

	}
}


 


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