android通过toast实现悬浮通知效果，如图：
实现的功能：
- 自定义悬浮弹窗；
- 点击其他地方该布局不受影响；
- 可自定义显示时间；
- 可以设置点击事件；
代码如下：
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import android.content.Context;import android.os.Build;import android.os.Handler;import android.os.Message;import android.support.v7.app.AppCompatActivity;import android.view.Gravity;import android.view.LayoutInflater;import android.view.View;import android.view.WindowManager;import android.widget.LinearLayout;import android.widget.TextView;import android.widget.Toast;import java.lang.reflect.Field;import java.lang.reflect.InvocationTargetException;import java.lang.reflect.Method;import java.util.Map;import cn.droidlover.xdroidmvp.router.Router;import io.slife.wallet.R;import io.slife.wallet.config.IntentKey;import io.slife.wallet.ui.NewsFlashDetailActivity;public class PushToast {private AppCompatActivity mActivity;private static PushToast mInstance;private Toast mToast;private final int SHOW = 1;private final int HIDE = 0;private Object mTN;private Method mShow;private Method mHide;private Field mViewFeild;private long durationTime = 5*1000;public static PushToast getInstance() { if (mInstance == null) { mInstance = new PushToast(); } return mInstance;}public void init(AppCompatActivity activity) { mActivity = activity;}public void createToast(String title, String content, Map<String,String> params) { if (mActivity == null) { return; } LayoutInflater inflater = mActivity.getLayoutInflater();//调用Activity的getLayoutInflater()// LayoutInflater inflater = (LayoutInflater) context.getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); View view = inflater.inflate(R.layout.view_push_toast, null); //加載layout下的布局 LinearLayout llPushContent = (LinearLayout) view.findViewById(R.id.ll_push_content); TextView tvTitle = (TextView) view.findViewById(R.id.tv_title); TextView tvContent = (TextView) view.findViewById(R.id.tv_content); tvTitle.setText(title); tvContent.setText(content); mToast = new Toast(mActivity); mToast.setView(view); mToast.setDuration(Toast.LENGTH_LONG); mToast.setGravity(Gravity.TOP, 0, 0); reflectEnableClick(); reflectToast(); llPushContent.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String newsFlashId = params.get("InformationID"); Router.newIntent(mActivity).to(NewsFlashDetailActivity.class).putString(IntentKey.NEWS_FLASH_ID,newsFlashId).launch(); handler.sendEmptyMessage(HIDE); } }); if(mShow != null && mHide != null){ handler.sendEmptyMessage(SHOW); }else{ mToast.show(); }}private void reflectEnableClick() { try { Object mTN; mTN = getField(mToast, "mTN"); if (mTN != null) { Object mParams = getField(mTN, "mParams"); if (mParams != null && mParams instanceof WindowManager.LayoutParams) { WindowManager.LayoutParams params = (WindowManager.LayoutParams) mParams; //显示与隐藏动画// params.windowAnimations = R.style.ClickToast; //Toast可点击 params.flags = WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE; //设置viewgroup宽高 params.width = WindowManager.LayoutParams.MATCH_PARENT; //设置Toast宽度为屏幕宽度 params.height = WindowManager.LayoutParams.WRAP_CONTENT; //设置高度 } } } catch (Exception e) { e.printStackTrace(); }}/** * 反射字段 * * @param object 要反射的对象 * @param fieldName 要反射的字段名称 */private static Object getField(Object object, String fieldName) throws NoSuchFieldException, IllegalAccessException { Field field = object.getClass().getDeclaredField(fieldName); if (field != null) { field.setAccessible(true); return field.get(object); } return null;}private Handler handler = new Handler() { @Override public void handleMessage(Message msg) { super.handleMessage(msg); switch (msg.what) { case SHOW: handler.sendEmptyMessageDelayed(HIDE, durationTime); show(); break; case HIDE: hide(); break; } }};public void reflectToast() { Field field = null; try { field = mToast.getClass().getDeclaredField("mTN"); field.setAccessible(true); mTN = field.get(mToast); mShow = mTN.getClass().getDeclaredMethod("show"); mHide = mTN.getClass().getDeclaredMethod("hide"); mViewFeild = mTN.getClass().getDeclaredField("mNextView"); mViewFeild.setAccessible(true); } catch (NoSuchFieldException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } catch (IllegalArgumentException e) { e.printStackTrace(); } catch (NoSuchMethodException e1) { e1.printStackTrace(); }}public void show() { try { //android4.0以上就要以下处理 if (Build.VERSION.SDK_INT > 14) { Field mNextViewField = mTN.getClass().getDeclaredField("mNextView"); mNextViewField.setAccessible(true); LayoutInflater inflate = (LayoutInflater) mActivity.getSystemService(Context.LAYOUT_INFLATER_SERVICE); View v = mToast.getView(); mNextViewField.set(mTN, v); Method method = mTN.getClass().getDeclaredMethod("show", null); method.invoke(mTN, null); } mShow.invoke(mTN, null); } catch (Exception e) { e.printStackTrace(); }}private void hide() { try { mHide.invoke(mTN, null); } catch (IllegalAccessException e) { e.printStackTrace(); } catch (IllegalArgumentException e) { e.printStackTrace(); } catch (InvocationTargetException e) { e.printStackTrace(); }catch (NullPointerException ex){ ex.printStackTrace(); }}} |
xml布局：
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<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:id="@+id/ll_push_content"android:layout_width="match_parent"android:layout_height="wrap_content"android:background="@drawable/bg_push_message"android:orientation="vertical"><TextView android:id="@+id/tv_title" android:layout_width="match_parent" android:layout_height="wrap_content" android:textColor="@color/black" android:text="标题" android:maxLines="2" android:ellipsize="end" android:textStyle="bold" android:textSize="@dimen/text_size_14" /><TextView android:id="@+id/tv_content" android:layout_width="match_parent" android:layout_height="wrap_content" android:textColor="@color/black_808080" android:textSize="@dimen/text_size_13" android:maxLines="3" android:ellipsize="end" android:layout_marginTop="@dimen/margin_large" android:text="1"/></LinearLayout> |
点九格式图片：
使用方法：
activity中需要初始化一次：
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PushToast.getInstance().init(this); |
调用：
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PushToast.getInstance().createToast(msg.title,msg.text,umengPushEntity.getExtraMap()); |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://www.jianshu.com/p/448abea48e74
