AppCompat.java

package com.yydcdut.noteplugin.utils;

import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;

import java.lang.reflect.Method;

/**
 * Created by yuyidong on 15/10/14.
 */
public class AppCompat {

    public static boolean AFTER_ICE_CREAM = afterIceCream();

    private static boolean afterIceCream() {
        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH;
    }

    public static int getColor(int id, Activity activity) {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
            return activity.getResources().getColor(id);
        } else {
            return activity.getResources().getColor(id, activity.getTheme());
        }
    }

    public static void setBackgroundDrawable(View view, Drawable drawable) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
            view.setBackground(drawable);
        } else {
            view.setBackgroundDrawable(drawable);
        }
    }

    /**
     * 5.0之后的SDK
     */
    public static final boolean AFTER_LOLLIPOP = afterLollipop();

    private static boolean afterLollipop() {
        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
    }

    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
    public static void setElevation(View view, float elevation) {
        if (AFTER_LOLLIPOP) {
            view.setElevation(elevation);
        }
    }

    public static void setFullWindow(Window window) {
        if (AppCompat.AFTER_LOLLIPOP) {
            window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS
                    | WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION | 128);
        } else {
            window.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
        }
    }

    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    public static void setFullWindowWithoutNavigationBar(Window window, Context context) {
        if (AppCompat.AFTER_LOLLIPOP && hasNavigationBar(context)) {
            window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                    | View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
        }
    }

    public static boolean hasNavigationBar(Context context) {
        boolean hasNavigationBar = false;
        Resources rs = context.getResources();
        int id = rs.getIdentifier("config_showNavigationBar", "bool", "android");
        if (id > 0) {
            hasNavigationBar = rs.getBoolean(id);
        }
        try {
            Class systemPropertiesClass = Class.forName("android.os.SystemProperties");
            Method m = systemPropertiesClass.getMethod("get", String.class);
            String navBarOverride = (String) m.invoke(systemPropertiesClass, "qemu.hw.mainkeys");
            if ("1".equals(navBarOverride)) {
                hasNavigationBar = false;
            } else if ("0".equals(navBarOverride)) {
                hasNavigationBar = true;
            }
        } catch (Exception e) {
            Log.wtf("AppCompat", e.getMessage());
        }
        return hasNavigationBar;
    }

    public static int getNavigationBarHeight(Context context) {
        int navigationBarHeight = 0;
        Resources rs = context.getResources();
        int id = rs.getIdentifier("navigation_bar_height", "dimen", "android");
        if (id > 0 && hasNavigationBar(context)) {
            navigationBarHeight = rs.getDimensionPixelSize(id);
        }
        return navigationBarHeight;
    }

}