cloudroid工作日志-20170510

1.完成了4.4/5.0系统透明状态栏的研究。

package com.techsz.vulcan.cloudroid;

import android.app.Activity;
import android.content.Context;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.BottomNavigationView;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.widget.TextView;

public class MainActivity extends Activity {

    private TextView mTextMessage;

    private BottomNavigationView.OnNavigationItemSelectedListener mOnNavigationItemSelectedListener
            = new BottomNavigationView.OnNavigationItemSelectedListener() {

        @Override
        public boolean onNavigationItemSelected(@NonNull MenuItem item) {
            switch (item.getItemId()) {
                case R.id.navigation_home:
                    mTextMessage.setText(R.string.title_home);
                    return true;
                case R.id.navigation_dashboard:
                    mTextMessage.setText(R.string.title_dashboard);
                    return true;
                case R.id.navigation_notifications:
                    mTextMessage.setText(R.string.title_notifications);
                    return true;
            }
            return false;
        }

    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        initWindows();
        setContentView(R.layout.activity_main);

        mTextMessage = (TextView) findViewById(R.id.message);
        BottomNavigationView navigation = (BottomNavigationView) findViewById(R.id.navigation);
        navigation.setOnNavigationItemSelectedListener(mOnNavigationItemSelectedListener);
    }

    private void initWindows() {
        Window window = getWindow();
        int color = getResources().getColor(android.R.color.holo_blue_light);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS
                    | WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
            window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                    | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
            //window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            //设置状态栏颜色
            //window.setStatusBarColor(color);
            //设置导航栏颜色
            //window.setNavigationBarColor(color);
            ViewGroup contentView = ((ViewGroup) findViewById(android.R.id.content));
            View childAt = contentView.getChildAt(0);
            if (childAt != null) {
                childAt.setFitsSystemWindows(true);
            }
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            //透明状态栏
            window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
            //透明导航栏
            window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
            //设置contentview为fitsSystemWindows
            ViewGroup contentView = (ViewGroup) findViewById(android.R.id.content);
            View childAt = contentView.getChildAt(0);
            if (childAt != null) {
                childAt.setFitsSystemWindows(true);
            }
            //给statusbar着色
            View view = new View(this);
            view.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, getStatusBarHeight(this)));
            view.setBackgroundColor(0);
            contentView.addView(view);
        }
    }

    /**
     * 获取导航栏高度
     *
     * @param context context
     * @return 导航栏高度
     */
    public int getNavigationBarHeight(Context context) {
        int resourceId = context.getResources().getIdentifier("navigation_bar_height", "dimen", "android");
        return context.getResources().getDimensionPixelSize(resourceId);
    }

    /**
     * 获取状态栏高度
     *
     * @param context context
     * @return 状态栏高度
     */
    private static int getStatusBarHeight(Context context) {
        // 获得状态栏高度
        int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android");
        return context.getResources().getDimensionPixelSize(resourceId);
    }

}