通用组合式控件---标题栏(支持copy)
直接上代码；
package com.example.lenovo.demo;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.constraint.ConstraintLayout;
import android.support.v4.content.ContextCompat;
import android.util.AttributeSet;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.TextView;
public class TopTitle extends FrameLayout {
private TextView tvTitle;
private TextView tvBack;
private TextView tvMenu;
private String title;
private String back;
private String menu;
private Drawable backIcon;
private Drawable menuIcon;
private Drawable menuBg;
private boolean noBack;
public TopTitle(@NonNull Context context) {
super(context);
init(null,0);
}
public TopTitle(@NonNull Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
init(attrs,0);
}
public TopTitle(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(attrs,defStyleAttr);
}
private void init(AttributeSet attrs, int defStyleAttr) {
@SuppressLint("Recycle") final TypedArray array = getContext().obtainStyledAttributes(attrs, R.styleable.TopTitle,defStyleAttr,0);
title = array.getString(R.styleable.TopTitle_title);
back = array.getString(R.styleable.TopTitle_backName);
menu = array.getString(R.styleable.TopTitle_menuName);
noBack = array.getBoolean(R.styleable.TopTitle_noBack,false);
if (array.hasValue(R.styleable.TopTitle_backIcon)){
backIcon = array.getDrawable(R.styleable.TopTitle_backIcon);
}
if (array.hasValue(R.styleable.TopTitle_menuIcon)){
menuIcon = array.getDrawable(R.styleable.TopTitle_menuIcon);
}
if (array.hasValue(R.styleable.TopTitle_menuBg)){
menuBg = array.getDrawable(R.styleable.TopTitle_menuBg);
}
array.recycle();
if (backIcon == null)
backIcon = ContextCompat.getDrawable(getContext(),R.mipmap.back_white);
View.inflate(getContext(),R.layout.title_normal_layout,this);
tvTitle = findViewById(R.id.tvTitle);
tvBack = findViewById(R.id.tvBack);
tvMenu = findViewById(R.id.tvMenu);
tvBack.setVisibility(noBack?GONE:VISIBLE);
tvTitle.setText(title);
tvBack.setText(back);
tvMenu.setText(menu);
if (menuIcon != null){
tvMenu.setCompoundDrawablesRelativeWithIntrinsicBounds(menuIcon,null,null,null);
tvMenu.setCompoundDrawablePadding(10);
}
if (menuBg != null){
tvMenu.setBackground(menuBg);
tvMenu.setPadding(ScreenUtils.dp2px(8),ScreenUtils.dp2px(6),ScreenUtils.dp2px(8),ScreenUtils.dp2px(6));
ConstraintLayout.LayoutParams params = (ConstraintLayout.LayoutParams) tvMenu.getLayoutParams();
params.rightMargin = ScreenUtils.dp2px(10);
tvMenu.setLayoutParams(params);
}
tvBack.setCompoundDrawablesRelativeWithIntrinsicBounds(backIcon,null,null,null);
tvBack.setCompoundDrawablePadding(10);
}
public void setTitle(String title) {
tvTitle.setText(title);
}
public void setBack(String back) {
tvBack.setText(back);
}
public void setMenu(String menu) {
tvMenu.setText(menu);
}
public void setOnBackListener(OnClickListener listener){
tvBack.setOnClickListener(listener);
}
public void setOnMenuListener(OnClickListener listener){
tvMenu.setOnClickListener(listener);
}
public TextView getTvTitle() {
return tvTitle;
}
}
尺寸工具类；
package com.example.lenovo.demo;
import android.app.Activity;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.util.DisplayMetrics;
import android.view.View;
import android.view.WindowManager;
import java.lang.reflect.Field;
/**
* 获得屏幕相关的辅助类
*/
public class ScreenUtils
{
private ScreenUtils()
{
/* cannot be instantiated */
throw new UnsupportedOperationException("cannot be instantiated");
}
/**
* 获得屏幕宽度
*
* @param context
* @return
*/
public static int getScreenWidth( Context context)
{
WindowManager wm = (WindowManager) context
.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics outMetrics = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(outMetrics);
return outMetrics.widthPixels;
}
/**
* 获得屏幕高度
*
* @param context
* @return
*/
public static int getScreenHeight( Context context)
{
WindowManager wm = (WindowManager) context
.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics outMetrics = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(outMetrics);
return outMetrics.heightPixels;
}
/**
* 获得状态栏的高度
*
* @param context
* @return
*/
public static int getStatusHeight( Context context)
{
int statusHeight = -1;
try
{
Class clazz = Class.forName("com.android.internal.R$dimen");
Object object = clazz.newInstance();
int height = Integer.parseInt(clazz.getField("status_bar_height")
.get(object).toString());
statusHeight = context.getResources().getDimensionPixelSize(height);
} catch (Exception e)
{
e.printStackTrace();
}
return statusHeight;
}
/**
* 获取当前屏幕截图，包含状态栏
*
* @param activity
* @return
*/
public static Bitmap snapShotWithStatusBar(Activity activity)
{
View view = activity.getWindow().getDecorView();
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
Bitmap bmp = view.getDrawingCache();
int width = getScreenWidth(activity);
int height = getScreenHeight(activity);
Bitmap bp = null;
bp = Bitmap.createBitmap(bmp, 0, 0, width, height);
view.destroyDrawingCache();
return bp;
}
/**
* 获取当前屏幕截图，不包含状态栏
*
* @param activity
* @return
*/
public static Bitmap snapShotWithoutStatusBar(Activity activity)
{
View view = activity.getWindow().getDecorView();
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
Bitmap bmp = view.getDrawingCache();
Rect frame = new Rect();
activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
int statusBarHeight = frame.top;
int width = getScreenWidth(activity);
int height = getScreenHeight(activity);
Bitmap bp = null;
bp = Bitmap.createBitmap(bmp, 0, statusBarHeight, width, height
- statusBarHeight);
view.destroyDrawingCache();
return bp;
}
private static double RATIO = 0.85;
public static int screenWidth;
public static int screenHeight;
public static int screenMin;// 宽高中，小的一边
public static int screenMax;// 宽高中，较大的值
public static float density;
public static float scaleDensity;
public static float xdpi;
public static float ydpi;
public static int densityDpi;
public static int dialogWidth;
public static int statusbarheight;
public static int navbarheight;
public static int dip2px(float dipValue)
{
return (int) (dipValue * density + 0.5f);
}
public static int px2dip(float pxValue)
{
return (int) (pxValue / density + 0.5f);
}
public static int getDialogWidth()
{
dialogWidth = (int) (screenMin * RATIO);
return dialogWidth;
}
public static void init( Context context)
{
if (null == context)
{
return;
}
DisplayMetrics dm = context.getApplicationContext().getResources().getDisplayMetrics();
screenWidth = dm.widthPixels;
screenHeight = dm.heightPixels;
screenMin = (screenWidth > screenHeight) ? screenHeight : screenWidth;
density = dm.density;
scaleDensity = dm.scaledDensity;
xdpi = dm.xdpi;
ydpi = dm.ydpi;
densityDpi = dm.densityDpi;
}
public static int getDisplayHeight(Context context)
{
if (screenHeight == 0)
{
GetInfo(context);
}
return screenHeight;
}
private static void GetInfo( Context context)
{
if (null == context)
{
return;
}
DisplayMetrics dm = context.getApplicationContext().getResources().getDisplayMetrics();
screenWidth = dm.widthPixels;
screenHeight = dm.heightPixels;
screenMin = (screenWidth > screenHeight) ? screenHeight : screenWidth;
screenMax = (screenWidth < screenHeight) ? screenHeight : screenWidth;
density = dm.density;
scaleDensity = dm.scaledDensity;
xdpi = dm.xdpi;
ydpi = dm.ydpi;
densityDpi = dm.densityDpi;
statusbarheight = getStatusBarHeight(context);
navbarheight = getNavBarHeight(context);
}
private static int getStatusBarHeight( Context context)
{
Class c = null;
Object obj = null;
Field field = null;
int x = 0, sbar = 0;
try
{
c = Class.forName("com.android.internal.R$dimen");
obj = c.newInstance();
field = c.getField("status_bar_height");
x = Integer.parseInt(field.get(obj).toString());
sbar = context.getResources().getDimensionPixelSize(x);
} catch (Exception E)
{
E.printStackTrace();
}
return sbar;
}
private static int getNavBarHeight( Context context)
{
Resources resources = context.getResources();
int resourceId = resources.getIdentifier("navigation_bar_height", "dimen", "android");
if (resourceId > 0)
{
return resources.getDimensionPixelSize(resourceId);
}
return 0;
}
public static int dp2px(float dp)
{
return (int) (dp
* density + 0.5f);
}
}
attrs.xml
xml中的用法；
java中的使用；
TopTitle tvTitle = findViewById(R.id.title);
tvTitle.setOnBackListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
finish();
}
});以上代码可以直接copy使用，非常方便！