Code sharing permissions apply a floating window

Recently the need to increase demand for the floating window to play the video, Daoteng a long time to find a lot of information, but there is always some phones can not apply for permission floating window, they left a lot of road, and finally found the following code in the betta speed version, the test all existing test machine can successfully open the permissions settings interface, it also can be a good check out the authority success.

import android.annotation.TargetApi;
import android.app.Activity;
import android.app.AppOpsManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.Uri;
import android.os.Binder;
import android.os.Build;
import android.os.Build.VERSION;
import android.provider.Settings;
import android.text.TextUtils;
import android.util.Log;
import android.widget.Toast;

import androidx.appcompat.app.AlertDialog;


/**
 * 界面：
 * 作者: 大海
 * 时间: 2020/3/2
 */
public class FloatPermissionManager {

    private static final String TAG = "FloatPermissionManager";

    /**
     * 申请悬浮窗权限
     * @param activity activity
     */
    public static void requestFloatPermission(Activity activity) {
        showFloatRequestDialog(activity);
    }

    /**
     * 是否有悬浮窗权限
     */
    public static boolean isRequestFloatPermission(Activity activity) {
        // 如果大于23则直接通过系统判断
        if (VERSION.SDK_INT >= 23) {
            return Settings.canDrawOverlays(activity);
        }
        if (VERSION.SDK_INT >= 19) {
            return checkLowVersion( activity, 24);
        }
        return true;
    }

    @TargetApi(19)
    private static boolean checkLowVersion(Context context, int i) {
        boolean z = false;
        if (VERSION.SDK_INT >= 19) {
            AppOpsManager appOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
            try {
                Class.forName(appOpsManager.getClass().getName());
                if ((Integer) appOpsManager.getClass()
                        .getDeclaredMethod("checkOp", new Class[]{Integer.TYPE, Integer.TYPE, String.class})
                        .invoke(appOpsManager, new Object[]{Integer.valueOf(i), Integer.valueOf(Binder.getCallingUid()), context.getPackageName()})
                        == 0)
                {
                    z = true;
                }
                return z;
            } catch (Exception e) {
                e.printStackTrace();
            }
        } else {
            return false;
        }

        return false;
    }

    public static void jumpToSetting(Activity activity) {
        try {
            if (VERSION.SDK_INT >= 23) {
                toSettingFloatPermission(activity);
            } else if (TextUtils.equals("Meizu", Build.MANUFACTURER)) {
                Log.e(TAG, "jumpToSetting: " + "魅族手机" );
                toMeiZuSetting(activity);
            } else if ("Oppo".equalsIgnoreCase(Build.MANUFACTURER)) {
                Log.e(TAG, "jumpToSetting: " + "Oppo手机" );
                toOppoSetting(activity);
            } else if ("Xiaomi".equals(Build.MANUFACTURER)) {
                Log.e(TAG, "jumpToSetting: " + "小米手机" );
                toXiaoMiSetting(activity);
            }
        } catch (Exception unused) {
            Toast.makeText(activity, "开启悬浮播放功能失败", Toast.LENGTH_SHORT).show();
        }
    }

    /**
     * 跳转到系统设置界面
     * @param activity activity
     */
    @TargetApi(23)
    private static void toSettingFloatPermission(Activity activity) {
        Intent intent = new Intent();
        intent.setAction("android.settings.action.MANAGE_OVERLAY_PERMISSION");
        String sb = "package:" + activity.getPackageName();
        intent.setData(Uri.parse(sb));
        activity.startActivityForResult(intent, 17);
    }

    /**
     * 魅族设置界面
     */
    private static void toMeiZuSetting(Activity activity) {
        Intent intent = new Intent("com.meizu.safe.security.SHOW_APPSEC");
        intent.setClassName("com.meizu.safe", "com.meizu.safe.security.AppSecActivity");
        intent.putExtra("packageName", activity.getPackageName());
        activity.startActivityForResult(intent, 17);
    }

    private static void toXiaoMiSetting(Activity activity) {
        Intent intent = new Intent("miui.intent.action.APP_PERM_EDITOR");
        if ("V5".equals(getXiaoMiVersion())) {
            PackageInfo packageInfo = null;
            try {
                packageInfo = activity.getPackageManager().getPackageInfo(activity.getPackageName(), 0);
                intent.setClassName("com.miui.securitycenter", "com.miui.securitycenter.permission.AppPermissionsEditor");
                intent.putExtra("extra_package_uid", packageInfo.applicationInfo.uid);
                activity.startActivityForResult(intent, 17);
            } catch (NameNotFoundException unused) {
                unused.printStackTrace();
            }
        } else if ("V6".equals(getXiaoMiVersion())) {
            intent.setClassName("com.miui.securitycenter", "com.miui.permcenter.permissions.AppPermissionsEditorActivity");
            intent.putExtra("extra_pkgname", activity.getPackageName());
            activity.startActivityForResult(intent, 17);
        } else {
            Intent intent2 = new Intent("miui.intent.action.APP_PERM_EDITOR");
            intent2.setPackage("com.miui.securitycenter");
            intent2.putExtra("extra_pkgname", activity.getPackageName());
            activity.startActivityForResult(intent2, 17);
        }
    }

    /**
     * 跳转到oppo手机设置界面
     */
    private static void toOppoSetting(Activity activity) {
        Intent intent = new Intent("android.intent.action.MAIN");
        intent.setComponent(new ComponentName("com.coloros.safecenter", "com.coloros.safecenter.permission.floatwindow.FloatWindowListActivity"));
        activity.startActivity(intent);
    }

    /**
     * 跳转到iqoo
     */
    private static void toIqoo(Activity activity) {
        Intent intent = new Intent("android.intent.action.MAIN");
        intent.setComponent(new ComponentName("com.iqoo.secure", "com.iqoo.secure.ui.phoneoptimize.FloatWindowManager"));
        activity.startActivity(intent);
    }

    public static String getXiaoMiVersion() {
        String str = "null";
        if (!"Xiaomi".equals(Build.MANUFACTURER)) {
            return str;
        }
        try {
            Class cls = Class.forName("android.os.SystemProperties");
            str = (String) cls.getDeclaredMethod("get", new Class[]{String.class, String.class}).invoke(cls, new Object[]{"ro.miui.ui.version.name", null});
        } catch (Exception e) {
            e.printStackTrace();
        }
        return str;
    }

    private static void showFloatRequestDialog(final Activity activity) {
        AlertDialog create = new AlertDialog.Builder(activity).setTitle("申请权限").setMessage("权限").setNegativeButton("取消", new OnClickListener() {
            public void onClick(DialogInterface dialogInterface, int i) {
            }
        }).setPositiveButton("跳转", new OnClickListener() {
            public void onClick(DialogInterface dialogInterface, int i) {
                jumpToSetting(activity);
            }
        }).create();
        create.setCanceledOnTouchOutside(false);
        create.show();
    }
}