StatusBarHeaderView.java

package moe.feng.material.statusbar;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Color;
import android.os.Build;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;

import moe.feng.material.statusbar.util.ViewHelper;

public class StatusBarHeaderView extends View {

	private int colorNormal, colorDark, enableMode;

	public static final int MODE_KITKAT = 1, MODE_LOLLIPOP = 2, MODE_ALL = 3;

	public StatusBarHeaderView(Context context) {
		this(context, null);
	}

	public StatusBarHeaderView(Context context, AttributeSet attrs) {
		this(context, attrs, 0);
	}

	public StatusBarHeaderView(Context context, AttributeSet attrs, int defStyle) {
		super(context, attrs, defStyle);
		TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.StatusBarHeaderView, defStyle,
				R.style.Widget_FengMoe_StatusBarHeaderView);
		colorNormal = a.getColor(R.styleable.StatusBarHeaderView_colorNormal, Color.TRANSPARENT);
		if (a.hasValue(R.styleable.StatusBarHeaderView_colorDark)) {
			colorDark = a.getColor(R.styleable.StatusBarHeaderView_colorDark, Color.TRANSPARENT);
		} else {
			colorDark = ViewHelper.getMiddleColor(colorNormal, Color.BLACK, 0.2f);
		}
		enableMode = a.getInt(R.styleable.StatusBarHeaderView_enableMode, MODE_ALL);
		init();
		a.recycle();
	}

	public StatusBarHeaderView(Context context, int colorNormal, int colorDark, int enableMode) {
		this(context);
		this.colorNormal = colorNormal;
		this.colorDark = colorDark;
		this.enableMode = enableMode;
		init();
	}

	@Override
	public void onMeasure(int widthSpec, int heightSpec) {
		super.onMeasure(widthSpec, heightSpec);
		adjustHeight();
	}

	@Override
	public void invalidate() {
		super.invalidate();
		adjustHeight();
	}

	public void adjustHeight() {
		ViewGroup.LayoutParams params = getLayoutParams();
		params.height = ViewHelper.getStatusBarHeight(getContext());
	}

	void init() {
		int SDK_INT = Build.VERSION.SDK_INT;
		this.setBackgroundColor(SDK_INT == 19 ? colorNormal : colorDark);
		this.setVisibility(
		!ViewHelper.isChrome() && (
				(((enableMode == MODE_KITKAT) && (SDK_INT == 19)) ||
				((enableMode == MODE_LOLLIPOP) && (SDK_INT == 21)) ||
				((enableMode == MODE_ALL) && (SDK_INT >= 19)))
		) ? View.VISIBLE : View.GONE
		);
	}

	public void setNormalColor(int colorNormal) {
		this.colorNormal = colorNormal;
		init();
	}

	public void setDarkColor(int colorDark) {
		this.colorDark = colorDark;
		init();
	}

	public int getNormalColor() {
		return this.colorNormal;
	}

	public int getDarkColor() {
		return this.colorDark;
	}

	public void setMode(int mode) {
		this.enableMode = mode;
		init();
	}

	public int getMode() {
		return this.enableMode;
	}

}