RNScreenpxModule 安卓的橋接模塊,
用來判斷機型是否是全面屏
以及是否開啓了全面屏,
通過這個模塊, 來適配一些RN中安卓全畫幅的UI高度
package com.regan.ebankhome;
import android.app.Activity;
import android.content.Context;
import android.graphics.Point;
import android.os.Build;
import android.provider.Settings;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Display;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Toast;
import androidx.core.content.ContextCompat;
import com.facebook.react.bridge.Callback;
import com.facebook.react.bridge.Promise;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.bridge.ReactContextBaseJavaModule;
import com.facebook.react.bridge.ReactMethod;
import com.facebook.react.uimanager.IllegalViewOperationException;
import java.util.HashMap;
import java.util.Map;
public class RNScreenpxModule extends ReactContextBaseJavaModule {
private int w = 0; // 當前設備的寬度方向 像素數
private int h = 0; // 當前設備的寬度方向 像素數
private volatile static boolean mHasCheckAllScreen;
private volatile static boolean mIsAllScreenDevice; // 是否全面屏
private volatile static boolean notNavigationBarExist; // 不存在虛擬導航器 (即真正的使用全面屏)
public RNScreenpxModule(ReactApplicationContext reactApplicationContext) {
super(reactApplicationContext);
WindowManager wd = (WindowManager) reactApplicationContext.getSystemService(Context.WINDOW_SERVICE);
// 1. 獲取當前安卓設備的真實像素
w = RNScreenpxModule.getRealPXFromScreenW(reactApplicationContext);
h = RNScreenpxModule.getRealPXFromScreenH(reactApplicationContext);
// 2. 判斷是否爲全面屏
mIsAllScreenDevice = RNScreenpxModule.isAllScreenDevice(reactApplicationContext);
Log.e("ssss", mIsAllScreenDevice + "===0=== 全面屏嗎??????");
if (mIsAllScreenDevice) {
Log.e("ssss", notNavigationBarExist + "===0=== 開啓了嗎??????");
notNavigationBarExist = Settings.Global.getInt(reactApplicationContext.getContentResolver(), "force_fsg_nav_bar", 0) != 0;
Log.e("ssss", notNavigationBarExist + "===0=== 開啓了嗎??????");
}
}
/**
* 獲取當前安卓設備的真實像素
*
* @param context
*/
public static int getRealPXFromScreenH(Context context) {
WindowManager wd = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
Display defaultDisplay = wd.getDefaultDisplay();
Point point = new Point();
defaultDisplay.getSize(point);
int x = point.x;
int y = point.y;
return y;
}
/**
* 獲取當前安卓設備的真實像素
*
* @param context
*/
public static int getRealPXFromScreenW(Context context) {
WindowManager wd = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
Display defaultDisplay = wd.getDefaultDisplay();
Point point = new Point();
defaultDisplay.getSize(point);
int x = point.x;
int y = point.y;
return x;
}
/**
* 判斷 安卓設置是否 全面屏
*
* @param context
* @return
*/
public static boolean isAllScreenDevice(Context context) {
if (mHasCheckAllScreen) {
return mIsAllScreenDevice;
}
mHasCheckAllScreen = true;
mIsAllScreenDevice = false;
// 低於 API 21的,都不會是全面屏。。。
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
return false;
}
WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
if (windowManager != null) {
Display display = windowManager.getDefaultDisplay();
Point point = new Point();
display.getRealSize(point);
float width, height;
if (point.x < point.y) {
width = point.x;
height = point.y;
} else {
width = point.y;
height = point.x;
}
if (height / width >= 1.97f) {
mIsAllScreenDevice = true;
}
}
return mIsAllScreenDevice;
}
/**
* 這是定義JS端要調用的模塊名,比如"ScreenpxModule"
*
* @return
*/
@Override
public String getName() {
return "ScreenpxModule";
}
/**
* 獲取屏幕寬度方向像素
* 這是用作導出一個方法給JavaScript使用,Java方法需要使用註解@ReactMethod
* 所以到時候JS調用就是React.NativeModules.ScreenpxModule.getScreenW().then()...
*
* @param promise
*/
@ReactMethod
public void getScreenW(Promise promise) {
promise.resolve(w);
}
@ReactMethod
public void getScreenH(Promise promise) {
promise.resolve(h);
}
@ReactMethod
public void checkFullScreen(Promise promise) {
Boolean fullScreenAndNotNavigationBarExist = mIsAllScreenDevice && notNavigationBarExist;
// 全面屏切啓用了全面屏
if (fullScreenAndNotNavigationBarExist) {
promise.resolve(true);
} else {
// 非全面屏或 全面屏但是未啓用全面屏功能
promise.resolve(false);
}
}
}
使用
componentDidMount() {
!isiOS() ? LocalStoreUtils.isUseFullScreen_Android('get')
.then((res) => {
this.setState({chooseViewheight: res ? app.screenH : app.height});
}) : null;
}
export const height = Dimensions.get("window").height;
export const screenH = Dimensions.get("screen").height;