自定义view：
1 package com.wyl.viewdefine; 2 3 import android.content.Context; 4 import android.content.res.TypedArray; 5 import android.graphics.drawable.Drawable; 6 import android.util.AttributeSet; 7 import android.view.Gravity; 8 import android.view.ViewGroup; 9 import android.widget.Button; 10 import android.widget.RelativeLayout; 11 import android.widget.TextView; 12 13 import com.wyl.account.R; 14 15 public class TopBar extends RelativeLayout { 16 private Button leftButton, rightButton; 17 private TextView tvTitle; 18 19 private int leftTextColor; 20 private Drawable leftBackground; 21 private String leftText; 22 23 private int rightTextColor; 24 private Drawable rightBackground; 25 private String rightText; 26 27 private float titleTextSize; 28 private int titleTextColor; 29 private String title; 30 31 private LayoutParams leftParams, rightParmas, tilteParams; 32 33 // private 34 35 public TopBar(Context context, AttributeSet attrs) { 36 super(context, attrs); 37 // TODO Auto-generated constructor stub 38 TypedArray ta = context.obtainStyledAttributes(attrs, 39 R.styleable.Topbar); 40 41 leftText = ta.getString(R.styleable.Topbar_leftText); 42 leftTextColor = ta.getColor(R.styleable.Topbar_leftTextColor, 0); 43 leftBackground = ta.getDrawable(R.styleable.Topbar_leftBackground); 44 45 rightText = ta.getString(R.styleable.Topbar_leftText); 46 rightTextColor = ta.getColor(R.styleable.Topbar_rightTextColor, 0); 47 rightBackground = ta.getDrawable(R.styleable.Topbar_rightBackground); 48 49 title = ta.getString(R.styleable.Topbar_title); 50 titleTextColor = ta.getColor(R.styleable.Topbar_titleTextColor, 0); 51 titleTextSize = ta.getDimension(R.styleable.Topbar_titleTextSize, 0); 52 53 ta.recycle(); 54 /** 55 * 获取自定义控件 56 */ 57 leftButton = new Button(context); 58 rightButton = new Button(context); 59 tvTitle = new TextView(context); 60 61 /** 62 * 设置颜色等 63 */ 64 leftButton.setTextColor(leftTextColor); 65 leftButton.setBackground(leftBackground); 66 leftButton.setText(leftText); 67 68 rightButton.setTextColor(rightTextColor); 69 rightButton.setBackground(rightBackground); 70 rightButton.setText(rightText); 71 72 tvTitle.setTextColor(titleTextColor); 73 tvTitle.setTextSize(titleTextSize); 74 tvTitle.setText(title); 75 tvTitle.setGravity(Gravity.CENTER); 76 77 setBackgroundColor(0xFFF59563); 78 79 leftParams = new LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, 80 ViewGroup.LayoutParams.WRAP_CONTENT); 81 82 leftParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT, TRUE); 83 84 addView(leftButton, leftParams); 85 86 } 87 88 }